configure.in

   1 AC_INIT(README)
   2 AC_CANONICAL_SYSTEM
   3
   4 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
   5 # The extra brackets are to foil regex-based scans.
   6 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
   7
   8 AM_CONFIG_HEADER(config.h)
   9 AM_INIT_AUTOMAKE(mono,1.9)
  10 AM_MAINTAINER_MODE
  11
  12 API_VER=1.0
  13 AC_SUBST(API_VER)
  14
  15 AC_PROG_LN_S
  16
  17 # In case of cygwin, override LN_S, irrespective of what it determines.
  18 # The build uses cygwin, but the actual runtime doesn't.
  19 case $host_os in
  20 *cygwin* ) LN_S='cp -p';;
  21 esac
  22
  23
  24 dnl
  25 dnl libgc checks
  26 dnl
  27
  28 gc_headers=no
  29 gc=included
  30 use_included_gc=no
  31 libgc_configure_args=
  32
  33 if test -d $srcdir/libgc ; then
  34   gc_default=included
  35 else
  36   gc_default=boehm
  37 fi
  38
  39 #
  40 # These are the flags that need to be stored in the mono.pc file for
  41 # compiling code that will embed Mono
  42 #
  43 libmono_cflags=""
  44 libmono_ldflags=""
  45 AC_SUBST(libmono_cflags)
  46 AC_SUBST(libmono_ldflags)
  47 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
  48 AC_SUBST(export_ldflags)
  49
  50 # Variable to have relocatable .pc files (lib, or lib64)
  51 reloc_libdir=`basename ${libdir}`
  52 AC_SUBST(reloc_libdir)
  53
  54 dnl if linker handles the version script
  55 no_version_script=no
  56
  57 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  58 need_link_unlink=no
  59
  60 # Thread configuration inspired by sleepycat's db
  61 AC_MSG_CHECKING([host platform characteristics])
  62 libgc_threads=no
  63 case "$host" in
  64         *-*-mingw*|*-*-cygwin*)
  65                 platform_win32=yes
  66                 AC_DEFINE(PLATFORM_WIN32,1,[Platform is Win32])
  67                 if test "x$cross_compiling" = "xno"; then
  68                         CC="gcc -mno-cygwin -g"
  69                         # So libgc configure gets -mno-cygwin
  70                         export CC
  71                 fi
  72                 HOST_CC="gcc"
  73                 CPPFLAGS="$CPPFLAGS -DWIN32_THREADS -DFD_SETSIZE=1024 -DUNICODE -D_UNICODE"
  74                 libmono_cflags="-mno-cygwin"
  75                 libmono_ldflags="-mno-cygwin"
  76                 libdl=
  77                 libgc_threads=win32
  78                 gc_default=included
  79                 with_sigaltstack=no
  80                 LN_S=cp
  81                 # This forces libgc to use the DllMain based thread registration code on win32
  82                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
  83                 ;;
  84         *-*-*netbsd*)
  85                 platform_win32=no
  86                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
  87                 libmono_cflags="-D_REENTRANT"
  88                 LDFLAGS="$LDFLAGS -pthread"
  89                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
  90                 libmono_ldflags="-pthread"
  91                 need_link_unlink=yes
  92                 libdl="-ldl"
  93                 libgc_threads=pthreads
  94                 with_sigaltstack=no
  95                 ;;
  96 # these flags will work for all versions of -STABLE
  97 #
  98         *-*-*freebsd4*)
  99                 platform_win32=no
 100                 if test "x$PTHREAD_CFLAGS" = "x"; then
 101                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
 102                         libmono_cflags="-D_THREAD_SAFE"
 103                 else
 104                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 105                         libmono_cflags="$PTHREAD_CFLAGS"
 106                 fi
 107                 if test "x$PTHREAD_LIBS" = "x"; then
 108                         LDFLAGS="$LDFLAGS -pthread"
 109                         libmono_ldflags="-pthread"
 110                 else
 111                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 112                         libmono_ldflags="$PTHREAD_LIBS"
 113                 fi
 114                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD4"
 115                 need_link_unlink=yes
 116                 AC_DEFINE(PTHREAD_POINTER_ID)
 117                 libdl=
 118                 libgc_threads=pthreads
 119 # TLS isn't implemented at all on 4-STABLE
 120                 with_tls=pthread
 121                 ;;
 122         *-*-*freebsd5*)
 123                 platform_win32=no
 124                 if test "x$PTHREAD_CFLAGS" = "x"; then
 125                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 126                         libmono_cflags=
 127                 else
 128                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 129                         libmono_cflags="$PTHREAD_CFLAGS"
 130                 fi
 131                 if test "x$PTHREAD_LIBS" = "x"; then
 132                         LDFLAGS="$LDFLAGS -pthread"
 133                         libmono_ldflags="-pthread"
 134                 else
 135                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 136                         libmono_ldflags="$PTHREAD_LIBS"
 137                 fi
 138                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD5"
 139                 need_link_unlink=yes
 140                 AC_DEFINE(PTHREAD_POINTER_ID)
 141                 libdl=
 142                 with_sigaltstack=yes
 143                 libgc_threads=pthreads
 144 # TLS is only partially implemented on 5-STABLE (compiler support
 145 # but NOT library support)
 146 #
 147                 with_tls=pthread
 148                 ;;
 149         *-*-*freebsd6*)
 150                 platform_win32=no
 151                 if test "x$PTHREAD_CFLAGS" = "x"; then
 152                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 153                         libmono_cflags=
 154                 else
 155                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 156                         libmono_cflags="$PTHREAD_CFLAGS"
 157                 fi
 158                 if test "x$PTHREAD_LIBS" = "x"; then
 159                         LDFLAGS="$LDFLAGS -pthread"
 160                         libmono_ldflags="-pthread"
 161                 else
 162                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 163                         libmono_ldflags="$PTHREAD_LIBS"
 164                 fi
 165                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD6"
 166                 need_link_unlink=yes
 167                 AC_DEFINE(PTHREAD_POINTER_ID)
 168                 libdl=
 169                 libgc_threads=pthreads
 170                 with_sigaltstack=yes
 171 # TLS is only partially implemented on -CURRENT (compiler support
 172 # but NOT library support)
 173 #
 174                 with_tls=pthread
 175                 ;;
 176         *-*-*openbsd*)
 177                 platform_win32=no
 178                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
 179                 libmono_cflags="-D_THREAD_SAFE"
 180                 LDFLAGS="$LDFLAGS -pthread"
 181                 libmono_ldflags="-pthread"
 182                 need_link_unlink=yes
 183                 AC_DEFINE(PTHREAD_POINTER_ID)
 184                 libdl=
 185                 libgc_threads=pthreads
 186                 ;;
 187         *-*-linux*)
 188                 platform_win32=no
 189                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP"
 190                 libmono_cflags="-D_REENTRANT"
 191                 libmono_ldflags="-lpthread"
 192                 libdl="-ldl"
 193                 libgc_threads=pthreads
 194                 ;;
 195         *-*-hpux*)
 196         platform_win32=no
 197                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 198                 # +ESdbgasm only valid on bundled cc on RISC
 199                 # silently ignored for ia64
 200                 if test $GCC != "yes"; then
 201                         CFLAGS="$CFLAGS +ESdbgasm"
 202                         # Arrange for run-time dereferencing of null
 203                         # pointers to produce a SIGSEGV signal.
 204                         LDFLAGS="$LDFLAGS -z"
 205                 fi
 206                 CFLAGS="$CFLAGS +ESdbgasm"
 207                 LDFLAGS="$LDFLAGS -z"
 208                 libmono_cflags="-D_REENTRANT"
 209                 libmono_ldflags="-lpthread"
 210                 libgc_threads=pthreads
 211                 need_link_unlink=yes
 212                 ;;
 213         *-*-solaris*)
 214                 platform_win32=no
 215                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 216                 need_link_unlink=yes
 217                 libmono_cflags="-D_REENTRANT"
 218                 libgc_threads=pthreads
 219                 # This doesn't seem to work on solaris/x86, but the configure test runs
 220                 with_tls=pthread
 221                 ;;
 222         *-*-darwin*)
 223                 platform_win32=no
 224                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 225                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 226                 libmono_cflags="-D_THREAD_SAFE"
 227                 LDFLAGS="$LDFLAGS -pthread"
 228                 libmono_ldflags="-pthread"
 229                 need_link_unlink=yes
 230                 AC_DEFINE(PTHREAD_POINTER_ID)
 231                 AC_DEFINE(USE_MACH_SEMA)
 232                 no_version_script=yes
 233                 libdl=
 234                 libgc_threads=pthreads
 235                 ;;
 236         *)
 237                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 238                 platform_win32=no
 239                 libdl="-ldl"
 240                 ;;
 241 esac
 242 AC_MSG_RESULT(ok)
 243
 244 if test x$need_link_unlink = xyes; then
 245    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 246 fi
 247
 248 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
 249
 250 AC_CHECK_TOOL(CC, gcc, gcc)
 251 AC_PROG_CC
 252 AM_PROG_AS
 253 AM_PROG_CC_STDC
 254 AC_PROG_INSTALL
 255 AC_PROG_AWK
 256 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 257 : ${CCAS='$(CC)'}
 258 # Set ASFLAGS if not already set.
 259 : ${CCASFLAGS='$(CFLAGS)'}
 260 AC_SUBST(CCAS)
 261 AC_SUBST(CCASFLAGS)
 262
 263 AC_CHECK_PROG(BISON, bison,yes,no)
 264 if test "x$BISON" = "xno";
 265 then
 266         AC_MSG_ERROR([You need to install bison])
 267 fi
 268
 269 dnl may require a specific autoconf version
 270 dnl AC_PROG_CC_FOR_BUILD
 271 dnl CC_FOR_BUILD not automatically detected
 272 CC_FOR_BUILD=$CC
 273 CFLAGS_FOR_BUILD=$CFLAGS
 274 BUILD_EXEEXT=
 275 if test "x$cross_compiling" = "xyes"; then
 276         CC_FOR_BUILD=cc
 277         CFLAGS_FOR_BUILD=
 278         BUILD_EXEEXT=""
 279 fi
 280 AC_SUBST(CC_FOR_BUILD)
 281 AC_SUBST(CFLAGS_FOR_BUILD)
 282 AC_SUBST(HOST_CC)
 283 AC_SUBST(BUILD_EXEEXT)
 284
 285 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 286
 287 # Set STDC_HEADERS
 288 AC_HEADER_STDC
 289 AC_LIBTOOL_WIN32_DLL
 290 # This causes monodis to not link correctly
 291 #AC_DISABLE_FAST_INSTALL
 292 AM_PROG_LIBTOOL
 293
 294 # Test whenever ld supports -version-script
 295 AC_PROG_LD
 296 AC_PROG_LD_GNU
 297 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 298    no_version_script=yes
 299 fi
 300
 301 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 302
 303 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h)
 304
 305 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 306 if test x$have_zlib = xyes; then
 307    AC_TRY_COMPILE([#include <zlib.h>], [
 308    void main () {
 309    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 310    }
 311    #else
 312    #error No good zlib found
 313    #endif
 314    ],[
 315         AC_MSG_RESULT(Using system zlib)
 316         zlib_msg="system zlib"
 317    ],[
 318         AC_MSG_RESULT(Using embedded zlib)
 319         have_zlib=no
 320         zlib_msg="bundled zlib"
 321    ])
 322 fi
 323
 324 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 325 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 326
 327 # for mono/metadata/debug-symfile.c
 328 AC_CHECK_HEADERS(elf.h)
 329
 330 # for support
 331 AC_CHECK_HEADERS(poll.h)
 332 AC_CHECK_HEADERS(sys/poll.h)
 333 AC_CHECK_HEADERS(sys/wait.h)
 334 AC_CHECK_HEADERS(grp.h)
 335 AC_CHECK_HEADERS(syslog.h)
 336
 337 # for mono/dis
 338 AC_CHECK_HEADERS(wchar.h)
 339 case "$host" in
 340         *-*-*freebsd6*)
 341                 AC_CHECK_HEADERS(ieeefp.h)
 342         ;;
 343         *-*-*freebsd*)
 344                 /* Only freebsd6 has a working ieeefp.h */
 345         ;;
 346         *)
 347                 AC_CHECK_HEADERS(ieeefp.h)
 348         ;;
 349 esac
 350 AC_MSG_CHECKING(for isinf)
 351 AC_TRY_LINK([#include <math.h>], [
 352         int f = isinf (1);
 353 ], [
 354         AC_MSG_RESULT(yes)
 355         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 356 ], [
 357         # We'll have to use signals
 358         AC_MSG_RESULT(no)
 359 ])
 360
 361
 362 # not 64 bit clean in cross-compile
 363 AC_CHECK_SIZEOF(void *, 4)
 364
 365 WARN=''
 366 if test x"$GCC" = xyes; then
 367         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
 368                 # The runtime code does not respect ANSI C strict aliasing rules
 369                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 370
 371                 ORIG_CFLAGS=$CFLAGS
 372                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 373                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 374                 AC_TRY_COMPILE([], [
 375                                                    void main () { }
 376                 ], [
 377                    AC_MSG_RESULT(yes)
 378                 ], [
 379                    AC_MSG_RESULT(no)
 380                    CFLAGS=$ORIG_CFLAGS
 381                 ])
 382 else
 383         # The Sun Forte compiler complains about inline functions that access static variables
 384         # so disable all inlining.
 385         case "$host" in
 386         *-*-solaris*)
 387                 CFLAGS="$CFLAGS -Dinline="
 388                 ;;
 389         esac
 390 fi
 391 CFLAGS="$CFLAGS -g $WARN"
 392
 393 # Where's the 'mcs' source tree?
 394 if test -d $srcdir/mcs; then
 395   mcsdir=mcs
 396 else
 397   mcsdir=../mcs
 398 fi
 399
 400 mcs_topdir='$(top_srcdir)/'$mcsdir
 401 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
 402
 403 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
 404 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
 405
 406 AC_SUBST([mcs_topdir])
 407 AC_SUBST([mcs_topdir_from_srcdir])
 408
 409 # Where's the 'olive' source tree?
 410 if test -d $srcdir/olive; then
 411   olivedir=olive
 412 else
 413   olivedir=../olive
 414 fi
 415
 416 if test -d $srcdir/$olivedir; then
 417 olive_topdir='$(top_srcdir)/'$olivedir
 418 fi
 419
 420 AC_ARG_WITH([libgdiplus],
 421         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)],
 422         [], [with_libgdiplus=installed])
 423
 424 case $with_libgdiplus in
 425 no|installed) libgdiplus_loc= ;;
 426 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 427 /*) libgdiplus_loc=$with_libgdiplus ;;
 428 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 429 esac
 430 AC_SUBST([libgdiplus_loc])
 431
 432 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 433 if test "x$PKG_CONFIG" = "xno"; then
 434         AC_MSG_ERROR([You need to install pkg-config])
 435 fi
 436
 437 pkg_config_path=
 438 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 439         if test x$with_crosspkgdir = "x"; then
 440                 if test -s $PKG_CONFIG_PATH; then
 441                         pkg_config_path=$PKG_CONFIG_PATH
 442                 fi
 443         else
 444                 pkg_config_path=$with_crosspkgdir
 445                 PKG_CONFIG_PATH=$pkg_config_path
 446                 export PKG_CONFIG_PATH
 447         fi
 448 )
 449
 450 AC_ARG_WITH([glib],
 451         [  --with-glib=embedded|system       Choose glib API: system or embedded (default to system)],
 452         [], [with_glib=system])
 453
 454 eglib_dir=
 455
 456 case $with_glib in
 457 embedded)
 458   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 459   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 460   BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 461   BUILD_GLIB_LIBS="$GLIB_LIBS"
 462   GMODULE_CFLAGS="$GLIB_CFLAGS"
 463   GMODULE_LIBS="$GLIB_LIBS"
 464   eglib_dir=eglib
 465   AC_CONFIG_SUBDIRS(eglib)
 466   ;;
 467 system)
 468   BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 469   BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 470
 471   ## Versions of dependencies
 472   GLIB_REQUIRED_VERSION=1.3.11
 473
 474   PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 475
 476   GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 477   GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 478   GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 479   GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 480   ;;
 481 *)
 482   AC_MSG_ERROR([Invalid argument to --with-glib.])
 483 esac
 484 AM_CONDITIONAL(EGLIB_BUILD, test x$with_glib = xembedded)
 485
 486 AC_SUBST(GLIB_CFLAGS)
 487 AC_SUBST(GLIB_LIBS)
 488 AC_SUBST(GMODULE_CFLAGS)
 489 AC_SUBST(GMODULE_LIBS)
 490 AC_SUBST(BUILD_GLIB_CFLAGS)
 491 AC_SUBST(BUILD_GLIB_LIBS)
 492 AC_SUBST(eglib_dir)
 493
 494 if test x$cross_compiling$platform_win32 = xnoyes; then
 495    AC_MSG_CHECKING(for cygwin glib2-dev package)
 496    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
 497       AC_MSG_RESULT(found)
 498           AC_MSG_ERROR([Mono cannot be built with the cygwin glib2-devel package installed, because that package doesn't work with -mno-cygwin. Please uninstall it then re-run configure.])
 499    else
 500       AC_MSG_RESULT(not found, ok)
 501    fi
 502
 503    AC_MSG_CHECKING(for broken gwin32.h)
 504    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
 505    if test -f $glib_include/glib/gwin32.h; then
 506           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
 507                  AC_MSG_RESULT(failed)
 508                  hashmark='#'
 509                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
 510           fi
 511    fi
 512    AC_MSG_RESULT(ok)
 513 fi
 514
 515 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 516
 517 # Enable support for fast thread-local storage
 518 # Some systems have broken support, so we allow to disable it.
 519 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
 520
 521 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 522 # This does not work on some platforms (bug #55253)
 523 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=yes])
 524
 525 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
 526
 527 if test "x$enable_static" = "xno"; then
 528    with_static_mono=no
 529 fi
 530
 531 if test "x$platform_win32" = "xyes"; then
 532    # Boehm GC requires the runtime to be in its own dll
 533    with_static_mono=no
 534 fi
 535
 536 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 537 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 538
 539 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
 540 if test "x$with_xen_opt" = "xyes"; then
 541         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 542         ORIG_CFLAGS=$CFLAGS
 543         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 544         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 545         AC_TRY_COMPILE([], [
 546                                            void main () { }
 547         ], [
 548            AC_MSG_RESULT(yes)
 549         ], [
 550            AC_MSG_RESULT(no)
 551            CFLAGS=$ORIG_CFLAGS
 552         ])
 553 fi
 554
 555 DISABLED_FEATURES=none
 556
 557 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 558   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 559   reflection_emit, large_code, logging, com, ssa, generics.],
 560 [
 561         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 562                 eval "mono_feature_disable_$feature='yes'"
 563                 AC_MSG_NOTICE([Disabled support for feature: $feature])
 564         done
 565         DISABLED_FEATURES=$enable_minimal
 566         disabled="Disabled:    $enable_minimal"
 567 ],[])
 568
 569 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 570
 571 if test "x$mono_feature_disable_aot" = "xyes"; then
 572         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
 573 fi
 574
 575 if test "x$mono_feature_disable_profiler" = "xyes"; then
 576         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 577 fi
 578
 579 if test "x$mono_feature_disable_decimal" = "xyes"; then
 580         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 581 fi
 582
 583 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 584         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 585 fi
 586
 587 if test "x$mono_feature_disable_debug" = "xyes"; then
 588         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 589 fi
 590
 591 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 592         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 593 fi
 594
 595 if test "x$mono_feature_disable_large_code" = "xyes"; then
 596         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 597 fi
 598
 599 if test "x$mono_feature_disable_logging" = "xyes"; then
 600         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 601 fi
 602
 603 if test "x$mono_feature_disable_com" = "xyes"; then
 604         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 605 fi
 606
 607 if test "x$mono_feature_disable_ssa" = "xyes"; then
 608         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 609 fi
 610
 611 if test "x$mono_feature_disable_generics" = "xyes"; then
 612         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 613 fi
 614
 615 AC_MSG_CHECKING(for visibility __attribute__)
 616 AC_TRY_COMPILE([], [
 617    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 618    void main () { doit (); }
 619 ], [
 620    have_visibility_hidden=yes
 621    AC_MSG_RESULT(yes)
 622 ], [
 623    have_visibility_hidden=no
 624    AC_MSG_RESULT(no)
 625 ])
 626
 627 LIBGC_CFLAGS=
 628 LIBGC_LIBS=
 629 LIBGC_STATIC_LIBS=
 630 libgc_dir=
 631 case "x$gc" in
 632         xboehm|xbohem|xyes)
 633                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 634                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 635
 636                 if test "x$found_boehm" != "xyes"; then
 637                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 638                 fi
 639                 if test "x$gc_headers" != "xyes"; then
 640                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 641                 fi
 642
 643                 AC_DEFINE(HAVE_BOEHM_GC)
 644                 AC_SUBST(HAVE_BOEHM_GC)
 645                 LIBGC_LIBS="-lgc $libdl"
 646                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 647
 648                 # AC_CHECK_FUNCS does not work for some reason...
 649                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 650                 if test "x$found_gcj_malloc" = "xyes"; then
 651                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 652                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
 653                 else
 654                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
 655                 fi
 656                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 657                 if test "x$found_gc_enable" = "xyes"; then
 658                         AC_DEFINE(HAVE_GC_ENABLE)
 659                 fi
 660                 ;;
 661
 662         xincluded)
 663                 AC_CONFIG_SUBDIRS(libgc)
 664
 665                 # Pass CPPFLAGS to libgc configure
 666                 # Maybe we should use a separate variable for this to avoid passing useless and
 667                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
 668                 export CPPFLAGS
 669
 670                 found_boehm=yes
 671                 gc_headers=yes
 672                 use_included_gc=yes
 673                 libgc_dir=libgc
 674
 675                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 676                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 677                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 678
 679                 AC_DEFINE(HAVE_BOEHM_GC)
 680                 AC_SUBST(HAVE_BOEHM_GC)
 681
 682                 AC_DEFINE(HAVE_GC_H)
 683                 AC_DEFINE(USE_INCLUDED_LIBGC)
 684
 685                 # The included libgc contains GCJ support
 686                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 687                 AC_DEFINE(HAVE_GC_ENABLE)
 688                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 689                 ;;
 690
 691         xsgen)
 692                 found_boehm=no
 693                 gc_headers=no
 694                 use_included_gc=no
 695                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
 696                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
 697                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
 698                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
 699                 ;;
 700
 701         xnone)
 702                 AC_MSG_WARN("Compiling mono without GC.")
 703                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
 704                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 705                 ;;
 706         *)
 707                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 708                 ;;
 709 esac
 710
 711 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
 712 if test "x$large_heap" = "xyes"; then
 713    echo "FOO"
 714    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 715 fi
 716
 717 # tell libgc/configure about what we want
 718 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
 719
 720 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 721 AC_SUBST(LIBGC_CFLAGS)
 722 AC_SUBST(LIBGC_LIBS)
 723 AC_SUBST(LIBGC_STATIC_LIBS)
 724 AC_SUBST(libgc_dir)
 725
 726 dnl
 727 dnl End of libgc checks
 728 dnl
 729
 730 if test x$platform_win32 = xno; then
 731
 732         dnl hires monotonic clock support
 733         AC_SEARCH_LIBS(clock_gettime, rt)
 734
 735         dnl dynamic loader support
 736         AC_CHECK_FUNC(dlopen, DL_LIB="",
 737                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
 738         )
 739         if test x$dl_support = xno; then
 740                 AC_MSG_WARN([No dynamic loading support available])
 741         else
 742                 LIBS="$LIBS $DL_LIB"
 743                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
 744                 dnl from glib's configure.in
 745                 AC_CACHE_CHECK([for preceeding underscore in symbols],
 746                         mono_cv_uscore,[
 747                         AC_TRY_RUN([#include <dlfcn.h>
 748                         int mono_underscore_test (void) { return 42; }
 749                         int main() {
 750                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
 751                           handle = dlopen ((void*)0, 0);
 752                           if (handle) {
 753                             f1 = dlsym (handle, "mono_underscore_test");
 754                             f2 = dlsym (handle, "_mono_underscore_test");
 755                           } return (!f2 || f1);
 756                         }],
 757                                 [mono_cv_uscore=yes],
 758                                 [mono_cv_uscore=no],
 759                         [])
 760                 ])
 761                 if test "x$mono_cv_uscore" = "xyes"; then
 762                         MONO_DL_NEED_USCORE=1
 763                 else
 764                         MONO_DL_NEED_USCORE=0
 765                 fi
 766                 AC_SUBST(MONO_DL_NEED_USCORE)
 767                 AC_CHECK_FUNC(dlerror)
 768         fi
 769
 770         dnl ******************************************************************
 771         dnl *** Checks for the IKVM JNI interface library                  ***
 772         dnl ******************************************************************
 773         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
 774
 775         ikvm_native_dir=
 776         if test x$with_ikvm_native = xyes; then
 777                 ikvm_native_dir=ikvm-native
 778                 jdk_headers_found="IKVM Native"
 779         fi
 780
 781         AC_SUBST(ikvm_native_dir)
 782
 783         AC_CHECK_HEADERS(execinfo.h)
 784
 785         AC_CHECK_FUNCS(getgrgid_r)
 786         AC_CHECK_FUNCS(getgrnam_r)
 787         AC_CHECK_FUNCS(getpwnam_r)
 788         AC_CHECK_FUNCS(getpwuid_r)
 789         AC_CHECK_FUNCS(getresuid)
 790         AC_CHECK_FUNCS(setresuid)
 791         AC_CHECK_FUNCS(kqueue)
 792         AC_CHECK_FUNCS(backtrace_symbols)
 793         AC_CHECK_FUNCS(mkstemp)
 794         AC_CHECK_FUNCS(mmap)
 795         AC_CHECK_FUNCS(madvise)
 796         AC_CHECK_FUNCS(getrusage)
 797         AC_CHECK_FUNCS(getpriority)
 798         AC_CHECK_FUNCS(setpriority)
 799
 800         AC_CHECK_FUNCS(sched_setaffinity)
 801
 802         dnl ******************************************************************
 803         dnl *** Check for large file support                               ***
 804         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 805         dnl ******************************************************************
 806
 807         # Check that off_t can represent 2**63 - 1 correctly, working around
 808         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 809         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 810         large_offt=no
 811         AC_DEFUN([LARGE_FILES], [
 812                 large_CPPFLAGS=$CPPFLAGS
 813                 CPPFLAGS="$CPPFLAGS $1"
 814                 AC_TRY_RUN([
 815                         #include <sys/types.h>
 816
 817                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 818
 819                         int main(void) {
 820                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 821                                                (BIG_OFF_T%2147483647==1));
 822                                 if(big_off_t) {
 823                                         exit(0);
 824                                 } else {
 825                                         exit(1);
 826                                 }
 827                         }
 828                 ], [
 829                         AC_MSG_RESULT(ok)
 830                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 831                         large_CPPFLAGS="$large_CPPFLAGS $1"
 832                         large_offt=yes
 833                 ], [
 834                         AC_MSG_RESULT(no)
 835                 ], "")
 836                 CPPFLAGS=$large_CPPFLAGS
 837         ])
 838
 839         AC_MSG_CHECKING(if off_t is 64 bits wide)
 840         LARGE_FILES("")
 841         if test $large_offt = no; then
 842                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 843                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 844         fi
 845         if test $large_offt = no; then
 846                 AC_MSG_WARN([No 64 bit file size support available])
 847         fi
 848
 849         dnl *****************************
 850         dnl *** Checks for libsocket  ***
 851         dnl *****************************
 852         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 853
 854         dnl *******************************
 855         dnl *** Checks for MSG_NOSIGNAL ***
 856         dnl *******************************
 857         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 858         AC_TRY_COMPILE([#include <sys/socket.h>], [
 859                 int f = MSG_NOSIGNAL;
 860         ], [
 861                 # Yes, we have it...
 862                 AC_MSG_RESULT(yes)
 863                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 864         ], [
 865                 # We'll have to use signals
 866                 AC_MSG_RESULT(no)
 867         ])
 868
 869         dnl *****************************
 870         dnl *** Checks for SOL_IP     ***
 871         dnl *****************************
 872         AC_MSG_CHECKING(for SOL_IP)
 873         AC_TRY_COMPILE([#include <netdb.h>], [
 874                 int level = SOL_IP;
 875         ], [
 876                 # Yes, we have it...
 877                 AC_MSG_RESULT(yes)
 878                 AC_DEFINE(HAVE_SOL_IP)
 879         ], [
 880                 # We'll have to use getprotobyname
 881                 AC_MSG_RESULT(no)
 882         ])
 883
 884         dnl *****************************
 885         dnl *** Checks for SOL_IPV6     ***
 886         dnl *****************************
 887         AC_MSG_CHECKING(for SOL_IPV6)
 888         AC_TRY_COMPILE([#include <netdb.h>], [
 889                 int level = SOL_IPV6;
 890         ], [
 891                 # Yes, we have it...
 892                 AC_MSG_RESULT(yes)
 893                 AC_DEFINE(HAVE_SOL_IPV6)
 894         ], [
 895                 # We'll have to use getprotobyname
 896                 AC_MSG_RESULT(no)
 897         ])
 898
 899         dnl *****************************
 900         dnl *** Checks for SOL_TCP    ***
 901         dnl *****************************
 902         AC_MSG_CHECKING(for SOL_TCP)
 903         AC_TRY_COMPILE([#include <netdb.h>], [
 904                 int level = SOL_TCP;
 905         ], [
 906                 # Yes, we have it...
 907                 AC_MSG_RESULT(yes)
 908                 AC_DEFINE(HAVE_SOL_TCP)
 909         ], [
 910                 # We'll have to use getprotobyname
 911                 AC_MSG_RESULT(no)
 912         ])
 913
 914         dnl *****************************
 915         dnl *** Checks for IP_PKTINFO ***
 916         dnl *****************************
 917         AC_MSG_CHECKING(for IP_PKTINFO)
 918         AC_TRY_COMPILE([#include <netdb.h>], [
 919                 int level = IP_PKTINFO;
 920         ], [
 921                 # Yes, we have it...
 922                 AC_MSG_RESULT(yes)
 923                 AC_DEFINE(HAVE_IP_PKTINFO)
 924         ], [
 925                 AC_MSG_RESULT(no)
 926         ])
 927
 928         dnl *****************************
 929         dnl *** Checks for IPV6_PKTINFO ***
 930         dnl *****************************
 931         AC_MSG_CHECKING(for IPV6_PKTINFO)
 932         AC_TRY_COMPILE([#include <netdb.h>], [
 933                 int level = IPV6_PKTINFO;
 934         ], [
 935                 # Yes, we have it...
 936                 AC_MSG_RESULT(yes)
 937                 AC_DEFINE(HAVE_IPV6_PKTINFO)
 938         ], [
 939                 AC_MSG_RESULT(no)
 940         ])
 941
 942         dnl **********************************
 943         dnl *** Checks for IP_DONTFRAGMENT ***
 944         dnl **********************************
 945         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
 946         AC_TRY_COMPILE([#include <netdb.h>], [
 947                 int level = IP_DONTFRAGMENT;
 948         ], [
 949                 # Yes, we have it...
 950                 AC_MSG_RESULT(yes)
 951                 AC_DEFINE(HAVE_IP_DONTFRAGMENT)
 952         ], [
 953                 AC_MSG_RESULT(no)
 954         ])
 955
 956         dnl **********************************
 957         dnl *** Checks for IP_MTU_DISCOVER ***
 958         dnl **********************************
 959         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
 960         AC_TRY_COMPILE([#include <netdb.h>], [
 961                 int level = IP_MTU_DISCOVER;
 962         ], [
 963                 # Yes, we have it...
 964                 AC_MSG_RESULT(yes)
 965                 AC_DEFINE(HAVE_IP_MTU_DISCOVER)
 966         ], [
 967                 AC_MSG_RESULT(no)
 968         ])
 969
 970         dnl *********************************
 971         dnl *** Check for struct ip_mreqn ***
 972         dnl *********************************
 973         AC_MSG_CHECKING(for struct ip_mreqn)
 974         AC_TRY_COMPILE([#include <netinet/in.h>], [
 975                 struct ip_mreqn mreq;
 976                 mreq.imr_address.s_addr = 0;
 977         ], [
 978                 # Yes, we have it...
 979                 AC_MSG_RESULT(yes)
 980                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 981         ], [
 982                 # We'll just have to try and use struct ip_mreq
 983                 AC_MSG_RESULT(no)
 984                 AC_MSG_CHECKING(for struct ip_mreq)
 985                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 986                         struct ip_mreq mreq;
 987                         mreq.imr_interface.s_addr = 0;
 988                 ], [
 989                         # Yes, we have it...
 990                         AC_MSG_RESULT(yes)
 991                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 992                 ], [
 993                         # No multicast support
 994                         AC_MSG_RESULT(no)
 995                 ])
 996         ])
 997
 998         dnl **********************************
 999         dnl *** Check for gethostbyname2_r ***
1000         dnl **********************************
1001         AC_MSG_CHECKING(for gethostbyname2_r)
1002                 AC_TRY_LINK([#include <netdb.h>], [
1003                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1004         ], [
1005                 # Yes, we have it...
1006                 AC_MSG_RESULT(yes)
1007                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
1008         ], [
1009                 AC_MSG_RESULT(no)
1010         ])
1011
1012         dnl *****************************
1013         dnl *** Checks for libnsl     ***
1014         dnl *****************************
1015         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1016
1017         AC_CHECK_FUNCS(inet_pton inet_aton)
1018
1019         dnl ***********************************************
1020         dnl *** Checks for size of sockaddr_un.sun_path ***
1021         dnl ***********************************************
1022         # AC_CHECK_SIZEOF can't cope with struct members :-(
1023         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1024         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
1025                 [AC_TRY_RUN([
1026                         #include <sys/types.h>
1027                         #include <stdio.h>
1028                         #include <sys/un.h>
1029
1030                         int main(void) {
1031                                 struct sockaddr_un sock_un;
1032                                 FILE *f=fopen("conftestval", "w");
1033                                 if(!f) exit(1);
1034                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1035                                 exit(0);
1036                         }
1037                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
1038                    cv_mono_sizeof_sunpath=0,
1039                    cv_mono_sizeof_sunpath=0)])dnl
1040         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
1041         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
1042
1043         dnl *************************************
1044         dnl *** Checks for zero length arrays ***
1045         dnl *************************************
1046         AC_MSG_CHECKING(whether $CC supports zero length arrays)
1047         AC_TRY_COMPILE([
1048                 struct s {
1049                         int  length;
1050                         char data [0];
1051                 };
1052         ], [], [
1053                 AC_MSG_RESULT(yes)
1054                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
1055         ], [
1056                 AC_MSG_RESULT(no)
1057                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
1058         ])
1059
1060         dnl *****************************
1061         dnl *** Checks for libxnet    ***
1062         dnl *****************************
1063         case "${host}" in
1064                 *solaris* )
1065                         AC_MSG_CHECKING(for Solaris XPG4 support)
1066                         if test -f /usr/lib/libxnet.so; then
1067                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1068                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1069                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1070                                 LIBS="$LIBS -lxnet"
1071                                 AC_MSG_RESULT(yes)
1072                         else
1073                                 AC_MSG_RESULT(no)
1074                         fi
1075
1076                         if test "$GCC" = "yes"; then
1077                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1078                         fi
1079                 ;;
1080         esac
1081
1082         dnl *****************************
1083         dnl *** Checks for libpthread ***
1084         dnl *****************************
1085 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1086 # and libpthread does not exist
1087 #
1088         case "${host}" in
1089                 *-*-*freebsd4*)
1090                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1091                 ;;
1092                 *-*-*freebsd5*)
1093                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1094                 ;;
1095                 *-*-*freebsd6*)
1096                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1097                 ;;
1098                 *)
1099                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1100                 ;;
1101         esac
1102         AC_CHECK_HEADERS(pthread.h)
1103         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1104         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1105         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1106         AC_TRY_COMPILE([ #include <pthread.h>], [
1107                 pthread_mutexattr_t attr;
1108                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1109         ], [
1110                 AC_MSG_RESULT(ok)
1111         ], [
1112                 AC_MSG_RESULT(no)
1113                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1114                 AC_DEFINE(USE_MONO_MUTEX)
1115         ])
1116         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1117         AC_CHECK_FUNCS(pthread_attr_getstack)
1118         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1119
1120         dnl ***********************************
1121         dnl *** Checks for working __thread ***
1122         dnl ***********************************
1123         AC_MSG_CHECKING(for working __thread)
1124         if test "x$with_tls" != "x__thread"; then
1125                 AC_MSG_RESULT(disabled)
1126         else
1127                 AC_TRY_RUN([
1128                         #include <pthread.h>
1129                         __thread int i;
1130                         static int res1, res2;
1131
1132                         void thread_main (void *arg)
1133                         {
1134                                 i = arg;
1135                                 sleep (1);
1136                                 if (arg == 1)
1137                                         res1 = (i == arg);
1138                                 else
1139                                         res2 = (i == arg);
1140                         }
1141
1142                         int main () {
1143                                 pthread_t t1, t2;
1144
1145                                 i = 5;
1146
1147                                 pthread_create (&t1, NULL, thread_main, 1);
1148                                 pthread_create (&t2, NULL, thread_main, 2);
1149
1150                                 pthread_join (t1, NULL);
1151                                 pthread_join (t2, NULL);
1152
1153                                 return !(res1 + res2 == 2);
1154                         }
1155                 ], [
1156                                 AC_MSG_RESULT(yes)
1157                 ], [
1158                                 AC_MSG_RESULT(no)
1159                                 with_tls=pthread
1160                 ])
1161         fi
1162
1163         dnl **************************************
1164         dnl *** Checks for working sigaltstack ***
1165         dnl **************************************
1166         AC_MSG_CHECKING(for working sigaltstack)
1167         if test "x$with_sigaltstack" != "xyes"; then
1168                 AC_MSG_RESULT(disabled)
1169         else
1170                 AC_TRY_RUN([
1171                         #include <stdio.h>
1172                         #include <stdlib.h>
1173                         #include <unistd.h>
1174                         #include <signal.h>
1175                         #include <pthread.h>
1176                         #include <sys/wait.h>
1177                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1178                         #define SA_STACK SA_ONSTACK
1179                         #endif
1180                         static void
1181                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1182                         {
1183                                 exit (0);
1184                         }
1185
1186                         static void *
1187                         loop (void *ignored)
1188                         {
1189                                 char *ptr = NULL;
1190
1191                                 *ptr = 0;
1192                                 return NULL;
1193                         }
1194
1195                         static void
1196                         child ()
1197                         {
1198                                 struct sigaction sa;
1199                                 struct sigaltstack sas;
1200                                 pthread_t id;
1201                                 pthread_attr_t attr;
1202
1203                                 sa.sa_sigaction = sigsegv_signal_handler;
1204                                 sigemptyset (&sa.sa_mask);
1205                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1206                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1207                                         perror ("sigaction");
1208                                         return;
1209                                 }
1210
1211                                 sas.ss_sp = malloc (SIGSTKSZ);
1212                                 sas.ss_size = SIGSTKSZ;
1213                                 sas.ss_flags = 0;
1214                                 if (sigaltstack (&sas, NULL) == -1) {
1215                                         perror ("sigaltstack");
1216                                         return;
1217                                 }
1218
1219                                 pthread_attr_init (&attr);
1220                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1221                                         printf ("pthread_create\n");
1222                                         return;
1223                                 }
1224
1225                                 sleep (100);
1226                         }
1227
1228                         int
1229                         main ()
1230                         {
1231                                 pid_t son;
1232                                 int status;
1233                                 int i;
1234
1235                                 son = fork ();
1236                                 if (son == -1) {
1237                                         return 1;
1238                                 }
1239
1240                                 if (son == 0) {
1241                                         child ();
1242                                         return 0;
1243                                 }
1244
1245                                 for (i = 0; i < 3; ++i) {
1246                                         sleep (1);
1247                                         waitpid (son, &status, WNOHANG);
1248                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1249                                                 return 0;
1250                                 }
1251
1252                                 kill (son, SIGKILL);
1253                                 return 1;
1254                         }
1255
1256                 ], [
1257                                 AC_MSG_RESULT(yes)
1258                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1259                 ], [
1260                                 with_sigaltstack=no
1261                                 AC_MSG_RESULT(no)
1262                 ])
1263         fi
1264
1265         dnl ********************************
1266         dnl *** Checks for semaphore lib ***
1267         dnl ********************************
1268         # 'Real Time' functions on Solaris
1269         # posix4 on Solaris 2.6
1270         # pthread (first!) on Linux
1271         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1272
1273         dnl ********************************
1274         dnl *** Checks for timezone stuff **
1275         dnl ********************************
1276         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1277                 AC_TRY_COMPILE([
1278                         #include <time.h>
1279                         ], [
1280                         struct tm tm;
1281                         tm.tm_gmtoff = 1;
1282                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1283         if test $ac_cv_struct_tm_gmtoff = yes; then
1284                 AC_DEFINE(HAVE_TM_GMTOFF)
1285         else
1286                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1287                         AC_TRY_COMPILE([
1288                                 #include <time.h>
1289                         ], [
1290                                 timezone = 1;
1291                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1292                 if test $ac_cv_var_timezone = yes; then
1293                         AC_DEFINE(HAVE_TIMEZONE)
1294                 else
1295                         AC_ERROR(unable to find a way to determine timezone)
1296                 fi
1297         fi
1298
1299         dnl *********************************
1300         dnl *** Checks for math functions ***
1301         dnl *********************************
1302         LIBS="$LIBS -lm";
1303         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1304                 AC_TRY_LINK([#include <math.h>],
1305                 [ finite(0.0); ],
1306                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1307                 AC_MSG_RESULT(no)))
1308         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1309                 AC_TRY_LINK([#include <math.h>],
1310                 [ isfinite(0.0); ],
1311                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1312                 AC_MSG_RESULT(no)))
1313
1314         dnl ****************************************************************
1315         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1316         dnl *** have it in the library (duh))                            ***
1317         dnl ****************************************************************
1318         AC_CHECK_FUNCS(poll)
1319
1320         dnl *************************
1321         dnl *** Check for signbit ***
1322         dnl *************************
1323         AC_MSG_CHECKING(for signbit)
1324         AC_TRY_LINK([#include <math.h>], [
1325                 int s = signbit(1.0);
1326         ], [
1327                 AC_MSG_RESULT(yes)
1328                 AC_DEFINE(HAVE_SIGNBIT)
1329         ], [
1330                 AC_MSG_RESULT(no)
1331         ])
1332
1333         dnl **********************************
1334         dnl *** epoll                      ***
1335         dnl **********************************
1336         AC_CHECK_HEADERS(sys/epoll.h)
1337         haveepoll=no
1338         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1339         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1340                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1341         fi
1342
1343         dnl ******************************
1344         dnl *** Checks for SIOCGIFCONF ***
1345         dnl ******************************
1346         AC_CHECK_HEADERS(sys/ioctl.h)
1347         AC_CHECK_HEADERS(net/if.h)
1348         AC_MSG_CHECKING(for ifreq)
1349         AC_TRY_COMPILE([
1350                 #include <sys/ioctl.h>
1351                 #include <net/if.h>
1352                 ], [
1353                 struct ifconf ifc;
1354                 struct ifreq *ifr;
1355                 void *x;
1356                 ifc.ifc_len = 0;
1357                 ifc.ifc_buf = NULL;
1358                 x = (void *) &ifr->ifr_addr;
1359                 ],[
1360                         AC_MSG_RESULT(yes)
1361                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1362                 ], [
1363                         AC_MSG_RESULT(no)
1364                 ])
1365         dnl **********************************
1366         dnl ***     Checks for sin_len     ***
1367         dnl **********************************
1368         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1369         AC_TRY_COMPILE([
1370                 #include <netinet/in.h>
1371                 ], [
1372                 struct sockaddr_in saddr;
1373                 saddr.sin_len = sizeof (saddr);
1374                 ],[
1375                         AC_MSG_RESULT(yes)
1376                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1377                 ], [
1378                         AC_MSG_RESULT(no)
1379                 ])
1380         dnl **********************************
1381         dnl ***    Checks for sin6_len     ***
1382         dnl **********************************
1383         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1384         AC_TRY_COMPILE([
1385                 #include <netinet/in.h>
1386                 ], [
1387                 struct sockaddr_in6 saddr6;
1388                 saddr6.sin6_len = sizeof (saddr6);
1389                 ],[
1390                         AC_MSG_RESULT(yes)
1391                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1392                 ], [
1393                         AC_MSG_RESULT(no)
1394                 ])
1395         dnl **********************************
1396         dnl *** Checks for MonoPosixHelper ***
1397         dnl **********************************
1398         AC_CHECK_HEADERS(checklist.h)
1399         AC_CHECK_HEADERS(fstab.h)
1400         AC_CHECK_HEADERS(attr/xattr.h)
1401         AC_CHECK_HEADERS(sys/extattr.h)
1402         AC_CHECK_HEADERS(sys/sendfile.h)
1403         AC_CHECK_HEADERS(sys/statvfs.h)
1404         AC_CHECK_HEADERS(sys/vfstab.h)
1405         AC_CHECK_HEADERS(sys/xattr.h)
1406         AC_CHECK_HEADERS(sys/mman.h)
1407         AC_CHECK_FUNCS(getdomainname)
1408         AC_CHECK_FUNCS(setdomainname)
1409         AC_CHECK_FUNCS(fgetgrent)
1410         AC_CHECK_FUNCS(fgetpwent)
1411         AC_CHECK_FUNCS(fgetpwent)
1412         AC_CHECK_FUNCS(getfsstat)
1413         AC_CHECK_FUNCS(lutimes)
1414         AC_CHECK_FUNCS(mremap)
1415         AC_CHECK_FUNCS(remap_file_pages)
1416         AC_CHECK_FUNCS(posix_fadvise)
1417         AC_CHECK_FUNCS(posix_fallocate)
1418         AC_CHECK_FUNCS(posix_madvise)
1419         AC_CHECK_FUNCS(vsnprintf)
1420         AC_CHECK_FUNCS(sendfile)
1421         AC_CHECK_FUNCS(sethostid)
1422         AC_CHECK_FUNCS(statfs)
1423         AC_CHECK_FUNCS(fstatfs)
1424         AC_CHECK_FUNCS(statvfs)
1425         AC_CHECK_FUNCS(fstatvfs)
1426         AC_CHECK_FUNCS(stime)
1427         AC_CHECK_FUNCS(strerror_r)
1428         AC_CHECK_FUNCS(ttyname_r)
1429         AC_CHECK_SIZEOF(size_t)
1430         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1431                 [#include <sys/types.h>
1432                  #include <sys/stat.h>
1433                  #include <unistd.h>])
1434         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1435                 [#include <sys/types.h>
1436                  #include <sys/stat.h>
1437                  #include <unistd.h>])
1438         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1439                 [#include <sys/time.h>])
1440         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1441                 [#include <sys/poll.h>])
1442         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1443                 [#include <sys/types.h>
1444                  #include <sys/stat.h>
1445                  #include <unistd.h>])
1446         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1447                 [#include <sys/time.h>
1448                  #include <sys/types.h>
1449                  #include <utime.h>])
1450         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1451                 [#include <sys/time.h>])
1452         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1453                 [#include <sys/types.h>
1454                  #include <utime.h>])
1455         AC_CHECK_MEMBERS(
1456                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1457                 [#include <sys/types.h>
1458                  #include <dirent.h>])
1459
1460         dnl Favour xattr through glibc, but use libattr if we have to
1461         AC_CHECK_FUNC(lsetxattr, ,
1462                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1463         )
1464         AC_SUBST(XATTR_LIB)
1465
1466         dnl *********************************
1467         dnl *** Checks for Windows compilation ***
1468         dnl *********************************
1469         AC_CHECK_HEADERS(sys/time.h)
1470         AC_CHECK_HEADERS(sys/param.h)
1471
1472         dnl *********************************
1473         dnl *** Check for Console 2.0 I/O ***
1474         dnl *********************************
1475         AC_CHECK_HEADERS([curses.h])
1476         AC_CHECK_HEADERS([term.h], [], [],
1477         [#if HAVE_CURSES_H
1478          #include <curses.h>
1479          #endif
1480         ])
1481         AC_CHECK_HEADERS([termios.h])
1482
1483         dnl * This is provided in io-layer, but on windows it's only available
1484         dnl * on xp+
1485         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1486 else
1487         jdk_headers_found=no
1488         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1489         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1490         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1491         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1492         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1493         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1494         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1495
1496         dnl *********************************
1497         dnl *** Check for struct ip_mreqn ***
1498         dnl *********************************
1499         AC_MSG_CHECKING(for struct ip_mreqn)
1500         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1501                 struct ip_mreqn mreq;
1502                 mreq.imr_address.s_addr = 0;
1503         ], [
1504                 # Yes, we have it...
1505                 AC_MSG_RESULT(yes)
1506                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1507         ], [
1508                 # We'll just have to try and use struct ip_mreq
1509                 AC_MSG_RESULT(no)
1510                 AC_MSG_CHECKING(for struct ip_mreq)
1511                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1512                         struct ip_mreq mreq;
1513                         mreq.imr_interface.s_addr = 0;
1514                 ], [
1515                         # Yes, we have it...
1516                         AC_MSG_RESULT(yes)
1517                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1518                 ], [
1519                         # No multicast support
1520                         AC_MSG_RESULT(no)
1521                 ])
1522         ])
1523         AC_CHECK_FUNCS(GetProcessId)
1524 fi
1525
1526 dnl socklen_t check
1527 AC_MSG_CHECKING(for socklen_t)
1528 AC_TRY_COMPILE([
1529 #include <sys/types.h>
1530 #include <sys/socket.h>
1531 ],[
1532   socklen_t foo;
1533 ],[
1534 ac_cv_c_socklen_t=yes
1535         AC_DEFINE(HAVE_SOCKLEN_T)
1536         AC_MSG_RESULT(yes)
1537 ],[
1538         AC_MSG_RESULT(no)
1539 ])
1540
1541 AC_MSG_CHECKING(for array element initalizer support)
1542 AC_TRY_COMPILE([#include <sys/socket.h>], [
1543         const int array[] = {[1] = 2,};
1544 ], [
1545         # Yes, we have it...
1546         AC_MSG_RESULT(yes)
1547         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1548 ], [
1549         # We'll have to use signals
1550         AC_MSG_RESULT(no)
1551 ])
1552
1553 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1554         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1555         AC_TRY_LINK([#include <math.h>],
1556         [ static void *p = &trunc; ],
1557         [
1558                 AC_DEFINE(HAVE_TRUNC)
1559                 AC_MSG_RESULT(yes)
1560                 ac_cv_trunc=yes
1561         ],
1562         AC_MSG_RESULT(no)))
1563
1564 if test "x$ac_cv_truncl" != "xyes"; then
1565    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1566 fi
1567
1568 dnl ****************************
1569 dnl *** Look for /dev/random ***
1570 dnl ****************************
1571
1572 AC_MSG_CHECKING([if usage of random device is requested])
1573 AC_ARG_ENABLE(dev-random,
1574 [  --disable-dev-random    disable the use of the random device],
1575 try_dev_random=$enableval, try_dev_random=yes)
1576 AC_MSG_RESULT($try_dev_random)
1577
1578 case "{$target}" in
1579     *-openbsd*)
1580     NAME_DEV_RANDOM="/dev/srandom"
1581     ;;
1582
1583 dnl Win32 does not have /dev/random, they have their own method...
1584
1585     *-*-mingw*|*-*-cygwin*)
1586     ac_cv_have_dev_random=no
1587     ;;
1588
1589 dnl Everywhere else, it's /dev/random
1590
1591     *)
1592     NAME_DEV_RANDOM="/dev/random"
1593     ;;
1594 esac
1595
1596 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1597
1598 dnl Now check if the device actually exists
1599
1600 if test "x$try_dev_random" = "xyes"; then
1601     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1602     [if test -r "$NAME_DEV_RANDOM" ; then
1603         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1604     if test "x$ac_cv_have_dev_random" = "xyes"; then
1605         AC_DEFINE(HAVE_CRYPT_RNG)
1606     fi
1607 else
1608     AC_MSG_CHECKING(for random device)
1609     ac_cv_have_dev_random=no
1610     AC_MSG_RESULT(has been disabled)
1611 fi
1612
1613 if test "x$platform_win32" = "xyes"; then
1614     AC_DEFINE(HAVE_CRYPT_RNG)
1615 fi
1616
1617 if test "x$ac_cv_have_dev_random" = "xno" \
1618     && test "x$platform_win32" = "xno"; then
1619     AC_MSG_WARN([[
1620 ***
1621 *** A system-provided entropy source was not found on this system.
1622 *** Because of this, the System.Security.Cryptography random number generator
1623 *** will throw a NotImplemented exception.
1624 ***
1625 *** If you are seeing this message, and you know your system DOES have an
1626 *** entropy collection in place, please contact <crichton@gimp.org> and
1627 *** provide information about the system and how to access the random device.
1628 ***
1629 *** Otherwise you can install either egd or prngd and set the environment
1630 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1631 ***]])
1632 fi
1633
1634 AC_MSG_CHECKING([if inter-process shared handles are requested])
1635 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1636 AC_MSG_RESULT($try_shared_handles)
1637 if test "x$try_shared_handles" != "xyes"; then
1638         AC_DEFINE(DISABLE_SHARED_HANDLES)
1639         AC_SUBST(DISABLE_SHARED_HANDLES)
1640 fi
1641
1642
1643 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1644 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1645
1646 TARGET="unknown"
1647 ACCESS_UNALIGNED="yes"
1648
1649 JIT_SUPPORTED=no
1650 INTERP_SUPPORTED=no
1651 LIBC="libc.so.6"
1652 INTL="libc.so.6"
1653 SQLITE="libsqlite.so.0"
1654 SQLITE3="libsqlite3.so.0"
1655 X11="libX11.so"
1656
1657 jit_wanted=false
1658 interp_wanted=false
1659 case "$host" in
1660 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1661 #               TARGET=MIPS;
1662 #               ACCESS_UNALIGNED="no"
1663 #               ;;
1664         mips*)
1665                 TARGET=MIPS;
1666                 arch_target=mips;
1667                 ACCESS_UNALIGNED="no"
1668                 JIT_SUPPORTED=yes
1669                 jit_wanted=true
1670                 ;;
1671         i*86-*-*)
1672                 TARGET=X86;
1673                 arch_target=x86;
1674                 JIT_SUPPORTED=yes
1675                 jit_wanted=true
1676                 case $host_os in
1677                   solaris*)
1678                         LIBC="libc.so"
1679                         INTL="libintl.so"
1680                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
1681                                 TARGET=AMD64
1682                                 arch_target=amd64
1683                         fi
1684
1685                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1686                         # int astruct __attribute__ ((visibility ("hidden")));
1687                         # void foo ()
1688                         # {
1689                         #       void *p = &astruct;
1690                         # }
1691                         # gcc -fPIC --shared -o libfoo.so foo.c
1692                         # yields:
1693                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1694                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1695                         have_visibility_hidden=no
1696
1697                 esac
1698                 ;;
1699         x86_64-*-* | amd64-*-*)
1700                 TARGET=AMD64;
1701                 arch_target=amd64;
1702                 JIT_SUPPORTED=yes
1703                 jit_wanted=true
1704                 ;;
1705         ia64-*-*)
1706                 TARGET=IA64
1707                 arch_target=ia64
1708                 ACCESS_UNALIGNED="no"
1709                 JIT_SUPPORTED=yes
1710                 jit_wanted=true
1711                 LIBC="libc.so.6.1"
1712                 INTL="libc.so.6.1"
1713                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1714                 libmono_ldflags="-lunwind"
1715                 ;;
1716         sparc*-*-*)
1717                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1718                    TARGET=SPARC64
1719                 else
1720                         TARGET=SPARC
1721                 fi
1722                 arch_target=sparc;
1723                 JIT_SUPPORTED=yes
1724                 ACCESS_UNALIGNED="no"
1725                 case $host_os in
1726                   linux*) ;;
1727                   *)
1728                         LIBC="libc.so"
1729                         INTL="libintl.so"
1730                 esac
1731                 jit_wanted=true
1732                 if test x"$GCC" = xyes; then
1733                         # We don't support v8 cpus
1734                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1735                 fi
1736                 if test x"$AR" = xfalse; then
1737                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1738                 fi
1739                 ;;
1740        alpha*-*-linux* | alpha*-*-osf*)
1741                 TARGET=ALPHA;
1742                 ACCESS_UNALIGNED="no"
1743                 JIT_SUPPORTED=yes
1744                 jit_wanted=true
1745                 arch_target=alpha;
1746                 CFLAGS="$CFLAGS -mieee -O0"
1747                 case $host_os in
1748                   linux*)
1749                         LIBC="libc.so.6.1"
1750                         INTL="libc.so.6.1"
1751                 esac
1752                ;;
1753         *-*-mingw*|*-*-cygwin*)
1754                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
1755                 have_visibility_hidden=no
1756                 INTL="intl"
1757                 ;;
1758         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1759                 TARGET=HPPA;
1760                 arch_target=hppa;
1761                 LIBC="libc.sl"
1762                 ACCESS_UNALIGNED="no"
1763                 INTERP_SUPPORTED=yes
1764                 interp_wanted=true
1765                 ;;
1766         hppa*linux*)
1767                 TARGET=HPPA;
1768                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1769                 arch_target=hppa;
1770                 ACCESS_UNALIGNED="no"
1771                 JIT_SUPPORTED=yes
1772                 jit_wanted=true
1773                 ;;
1774         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
1775         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* )
1776                 TARGET=POWERPC;
1777                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1778                 arch_target=ppc;
1779                 JIT_SUPPORTED=yes
1780                 jit_wanted=true
1781                 ;;
1782         arm*-linux*)
1783                 TARGET=ARM;
1784                 arch_target=arm;
1785                 ACCESS_UNALIGNED="no"
1786                 JIT_SUPPORTED=yes
1787                 jit_wanted=true
1788                 ;;
1789         s390-*-linux*)
1790                 TARGET=S390;
1791                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1792                 arch_target=s390;
1793                 ACCESS_UNALIGNED="no"
1794                 JIT_SUPPORTED=yes
1795                 jit_wanted=true
1796                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
1797                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1798                 ;;
1799         s390x-*-linux*)
1800                 TARGET=S390x;
1801                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1802                 arch_target=s390x;
1803                 ACCESS_UNALIGNED="no"
1804                 JIT_SUPPORTED=yes
1805                 jit_wanted=true
1806                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1807                 ;;
1808 esac
1809
1810 if test "x$have_visibility_hidden" = "xyes"; then
1811    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1812 fi
1813
1814 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1815         if test x$withval = xyes; then
1816            jit_wanted=true
1817         else
1818            jit_wanted=false
1819         fi
1820 ])
1821
1822 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1823         if test x$withval = xyes; then
1824            interp_wanted=true
1825         else
1826            interp_wanted=false
1827         fi
1828 ])
1829
1830 USEJIT=false
1831 if test x$JIT_SUPPORTED = xyes; then
1832    if $jit_wanted; then
1833       USEJIT=true
1834       jit_status="Building and using the JIT"
1835    else
1836       if $interp_wanted; then
1837          jit_status="Building the JIT, defaulting to the interpreter"
1838       else
1839          AC_ERROR(No JIT or interpreter support available or selected.)
1840       fi
1841    fi
1842 else
1843    if test x$interp_wanted = xtrue; then
1844       jit_status="interpreter"
1845    else
1846       AC_ERROR(No JIT or interpreter support available or selected.)
1847    fi
1848 fi
1849
1850 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1851
1852 libsuffix=".so"
1853
1854 case "$host" in
1855      *-*-darwin*)
1856         libsuffix=".dylib"
1857         LIBC="libc.dylib"
1858         INTL="libintl.dylib"
1859         SQLITE="libsqlite.0.dylib"
1860         SQLITE3="libsqlite3.0.dylib"
1861         X11="libX11.dylib"
1862         ;;
1863      *-*-*netbsd*)
1864         LIBC="libc.so.12"
1865         INTL="libintl.so.0"
1866         ;;
1867     *-*-*freebsd*)
1868         LIBC="libc.so"
1869         INTL="libintl.so"
1870         ;;
1871     *-*-*openbsd*)
1872         LIBC="libc.so"
1873         INTL="libintl.so"
1874         ;;
1875     *-*-*linux*)
1876         AC_PATH_X
1877         AC_MSG_CHECKING(for the soname of libX11.so)
1878         for i in $x_libraries /usr/lib /usr/lib64; do
1879                 for r in 4 5 6; do
1880                         if test -f $i/libX11.so.$r; then
1881                                 X11=libX11.so.$r
1882                                 AC_MSG_RESULT($X11)
1883                         fi
1884                 done
1885         done
1886
1887         if test "x$X11" = "xlibX11.so"; then
1888                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1889         fi
1890         ;;
1891 esac
1892
1893
1894 AC_SUBST(libsuffix)
1895
1896 if test "x$TARGET" != "xAMD64"; then
1897    # valgrind headers don't compile under x86-64
1898    AC_CHECK_HEADERS(valgrind/memcheck.h)
1899 fi
1900
1901 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1902         if test "x$with_tls" = "x__thread"; then
1903                 #
1904                 # On some linux distributions, TLS works in executables, but linking
1905                 # against a shared library containing TLS fails with:
1906                 # undefined reference to `__tls_get_addr'
1907                 #
1908                 rm -f conftest.c conftest.so conftest
1909                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1910                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1911                 $CC -o conftest conftest.so > /dev/null 2>&1
1912                 if test ! -f conftest; then
1913                    AC_MSG_WARN([Disabling usage of __thread.]);
1914                    with_tls=pthread
1915                 fi
1916                 rm -f conftest.c conftest.so conftest
1917         fi
1918 fi
1919
1920 mono_debugger_supported=no
1921 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
1922         if test x$use_included_gc = xyes; then
1923                 case "$host" in
1924                 *-*-*linux*)
1925                         mono_debugger_supported=yes
1926                         ;;
1927                 esac
1928         fi
1929 fi
1930
1931 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1932 if test "x$mono_debugger_supported" = "xyes"; then
1933         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1934 fi
1935 AC_MSG_RESULT($mono_debugger_supported)
1936 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1937
1938 if test "x$with_tls" = "x__thread"; then
1939         AC_DEFINE(HAVE_KW_THREAD)
1940         # Pass the information to libgc
1941         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1942         AC_MSG_CHECKING(if the tls_model attribute is supported)
1943         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1944                 ], [
1945                         AC_MSG_RESULT(yes)
1946                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1947                 ], [
1948                         AC_MSG_RESULT(no)
1949         ])
1950 fi
1951
1952 if test ${TARGET} = ARM; then
1953         dnl ******************************************
1954         dnl *** Check to see what FPU is available ***
1955         dnl ******************************************
1956         AC_MSG_CHECKING(which FPU to use)
1957
1958         AC_TRY_COMPILE([], [
1959                 __asm__ ("ldfd f0, [r0]");
1960                 ], fpu=FPA, fpu=NONE)
1961
1962         AC_MSG_RESULT($fpu)
1963         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
1964         unset fpu
1965 fi
1966
1967 if test ${TARGET} = unknown; then
1968         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1969         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1970 fi
1971
1972 if test ${ACCESS_UNALIGNED} = no; then
1973         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1974 fi
1975
1976 PREVIEW=yes
1977 AC_ARG_WITH(preview,  [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1978         if test x$with_preview = xno; then
1979               PREVIEW=no
1980         fi
1981 ])
1982
1983 MOONLIGHT=yes
1984 AC_ARG_WITH(moonlight,[ --with-moonlight=yes,no   If you want to build the Moonlight 2.1 assemblies],[
1985         if test x$with_moonlight = xno; then
1986               MOONLIGHT=no
1987         fi
1988 ])
1989
1990 OPROFILE=no
1991 AC_ARG_WITH(oprofile,[ --with-oprofile=no,<path>   Enable oprofile support (defaults to NO)],[
1992         if test x$with_oprofile != xno; then
1993               OPROFILE=yes
1994               OPROFILE_CFLAGS="-I$with_oprofile/include"
1995               OPROFILE_LIBS=
1996               AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
1997         fi
1998 ])
1999
2000 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
2001 AC_SUBST(OPROFILE_CFLAGS)
2002 AC_SUBST(OPROFILE_LIBS)
2003
2004 libmono_ldflags="$libmono_ldflags $LIBS"
2005
2006 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
2007 AM_CONDITIONAL(INSTALL_2_1, test x$MOONLIGHT = xyes)
2008
2009 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2010 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2011 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2012 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2013 AM_CONDITIONAL(X86, test x$TARGET = xX86)
2014 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
2015 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
2016 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
2017 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
2018 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
2019 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2020 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
2021 AM_CONDITIONAL(S390, test x$TARGET = xS390)
2022 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
2023 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
2024
2025 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
2026 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
2027 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
2028
2029 AC_SUBST(LIBC)
2030 AC_SUBST(INTL)
2031 AC_SUBST(SQLITE)
2032 AC_SUBST(SQLITE3)
2033 AC_SUBST(X11)
2034 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
2035 AC_SUBST(arch_target)
2036 AC_SUBST(CFLAGS)
2037 AC_SUBST(CPPFLAGS)
2038 AC_SUBST(LDFLAGS)
2039
2040 mono_build_root=`pwd`
2041 AC_SUBST(mono_build_root)
2042
2043 if test x$USEJIT = xtrue; then
2044   mono_runtime=mono/mini/mono
2045 else
2046   mono_runtime=mono/interpreter/mint
2047 fi
2048 AC_SUBST(mono_runtime)
2049
2050 mono_cfg_root=$mono_build_root/runtime
2051 if test x$platform_win32 = xyes; then
2052   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
2053 else
2054   mono_cfg_dir=$mono_cfg_root/etc
2055 fi
2056 AC_SUBST(mono_cfg_dir)
2057
2058 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
2059 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
2060
2061 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
2062 [   depth=../../../..
2063     case $srcdir in
2064     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2065     .) reldir=$depth ;;
2066     *) reldir=$depth/$srcdir ;;
2067     esac
2068     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
2069     cd runtime/etc/mono/1.0
2070     rm -f machine.config
2071     $LN_S $reldir/data/net_1_1/machine.config machine.config
2072     cd $depth
2073 ],[LN_S='$LN_S'])
2074
2075 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
2076 [   depth=../../../..
2077     case $srcdir in
2078     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2079     .) reldir=$depth ;;
2080     *) reldir=$depth/$srcdir ;;
2081     esac
2082     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2083     cd runtime/etc/mono/2.0
2084     rm -f machine.config
2085     $LN_S $reldir/data/net_2_0/machine.config machine.config
2086     cd $depth
2087 ],[LN_S='$LN_S'])
2088
2089 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
2090 [   depth=../../../..
2091     case $srcdir in
2092     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2093     .) reldir=$depth ;;
2094     *) reldir=$depth/$srcdir ;;
2095     esac
2096     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2097     cd runtime/etc/mono/2.0
2098     rm -f web.config
2099     $LN_S $reldir/data/net_2_0/web.config web.config
2100     cd $depth
2101 ],[LN_S='$LN_S'])
2102
2103 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
2104 [   depth=../../..
2105     case $srcdir in
2106     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2107     .) reldir=$depth ;;
2108     *) reldir=$depth/$srcdir ;;
2109     esac
2110     $ac_aux_dir/install-sh -d runtime/etc/mono/
2111     cd runtime/etc/mono/
2112     rm -f browscap.ini
2113     $LN_S $reldir/data/browscap.ini browscap.ini
2114     cd $depth
2115 ],[LN_S='$LN_S'])
2116
2117 AC_OUTPUT([
2118 Makefile
2119 mono-uninstalled.pc
2120 scripts/mono-nunit.pc
2121 scripts/mono-find-provides
2122 scripts/mono-find-requires
2123 mono/Makefile
2124 mono/utils/Makefile
2125 mono/metadata/Makefile
2126 mono/dis/Makefile
2127 mono/cil/Makefile
2128 mono/arch/Makefile
2129 mono/os/Makefile
2130 mono/arch/x86/Makefile
2131 mono/arch/amd64/Makefile
2132 mono/arch/hppa/Makefile
2133 mono/arch/ppc/Makefile
2134 mono/arch/sparc/Makefile
2135 mono/arch/s390/Makefile
2136 mono/arch/s390x/Makefile
2137 mono/arch/arm/Makefile
2138 mono/arch/alpha/Makefile
2139 mono/arch/ia64/Makefile
2140 mono/arch/mips/Makefile
2141 mono/interpreter/Makefile
2142 mono/tests/Makefile
2143 mono/tests/tests-config
2144 mono/tests/assemblyresolve/Makefile
2145 mono/tests/cas/Makefile
2146 mono/tests/cas/assembly/Makefile
2147 mono/tests/cas/demand/Makefile
2148 mono/tests/cas/inheritance/Makefile
2149 mono/tests/cas/linkdemand/Makefile
2150 mono/tests/cas/threads/Makefile
2151 mono/benchmark/Makefile
2152 mono/monoburg/Makefile
2153 mono/monograph/Makefile
2154 mono/io-layer/Makefile
2155 mono/mini/Makefile
2156 mono/profiler/Makefile
2157 ikvm-native/Makefile
2158 scripts/Makefile
2159 man/Makefile
2160 web/Makefile
2161 docs/Makefile
2162 data/Makefile
2163 data/net_1_1/Makefile
2164 data/net_2_0/Makefile
2165 data/mint.pc
2166 data/mono.pc
2167 data/mono-cairo.pc
2168 data/dotnet.pc
2169 data/cecil.pc
2170 samples/Makefile
2171 support/Makefile
2172 data/config
2173 tools/Makefile
2174 tools/locale-builder/Makefile
2175 runtime/Makefile
2176 msvc/Makefile
2177 ])
2178
2179 if test x$platform_win32 = xyes; then
2180    # Get rid of 'cyg' prefixes in library names
2181    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2182    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2183    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2184    # executable doesn't work...
2185    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2186 fi
2187
2188 (
2189   case $prefix in
2190   NONE) prefix=$ac_default_prefix ;;
2191   esac
2192   case $exec_prefix in
2193   NONE) exec_prefix='${prefix}' ;;
2194   esac
2195
2196   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
2197
2198   #
2199   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2200   # any existing config.make.  This allows people to share the same source tree
2201   # with different build directories, one native and one cross
2202   #
2203   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2204     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
2205     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
2206     echo "sysconfdir=$sysconfdir" >> $srcdir/$mcsdir/build/config.make
2207     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
2208     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2209     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2210     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2211     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2212     case $INSTALL in
2213     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2214     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2215     esac
2216
2217     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2218
2219     export VERSION
2220     [myver=$($AWK 'BEGIN {
2221       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2222       if(length(vsplit [1]) > 4) {
2223         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
2224       }
2225       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2226     }')]
2227
2228     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2229   fi
2230
2231   # if we have an olive folder, override the default settings
2232   if test -d $olivedir; then
2233
2234     test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
2235
2236     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
2237       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
2238       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
2239       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
2240       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
2241       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
2242       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
2243           if test x$with_moonlight = xyes; then
2244         echo "WITH_MOONLIGHT = yes" >> $srcdir/$olivedir/build/config.make
2245       fi
2246     fi
2247   fi
2248 )
2249
2250 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2251
2252 echo "
2253         mcs source:    $mcs_topdir
2254         olive source:  $olive_topdir
2255
2256         GC:          $gc
2257         TLS:         $with_tls
2258         SIGALTSTACK: $with_sigaltstack
2259         Engine:      $jit_status
2260         2.0 Beta:    $PREVIEW
2261         2.1 Alpha:   $MOONLIGHT
2262         JNI support: $jdk_headers_found
2263         libgdiplus:  $libgdiplus_msg
2264         zlib:        $zlib_msg
2265         oprofile:    $OPROFILE
2266         $disabled
2267
2268 "
2269 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2270    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexepcted bugs)
2271 fi
2272
2273 if test x$gc = xsgen; then
2274         echo IMPORTANT:
2275         echo IMPORTANT: You have selected an experimental, work-in-progress
2276         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2277         echo IMPORTANT: and is not yet ready for use.
2278         echo IMPORTANT:
2279         echo IMPORTANT: There are known problems with it, use at your own risk.
2280 fi