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$platform_win32 = xno; then
 731
 732         dnl dynamic loader support
 733         AC_CHECK_FUNC(dlopen, DL_LIB="",
 734                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
 735         )
 736         if test x$dl_support = xno; then
 737                 AC_MSG_WARN([No dynamic loading support available])
 738         else
 739                 LIBS="$LIBS $DL_LIB"
 740                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
 741                 dnl from glib's configure.in
 742                 AC_CACHE_CHECK([for preceeding underscore in symbols],
 743                         mono_cv_uscore,[
 744                         AC_TRY_RUN([#include <dlfcn.h>
 745                         int mono_underscore_test (void) { return 42; }
 746                         int main() {
 747                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
 748                           handle = dlopen ((void*)0, 0);
 749                           if (handle) {
 750                             f1 = dlsym (handle, "mono_underscore_test");
 751                             f2 = dlsym (handle, "_mono_underscore_test");
 752                           } return (!f2 || f1);
 753                         }],
 754                                 [mono_cv_uscore=yes],
 755                                 [mono_cv_uscore=no],
 756                         [])
 757                 ])
 758                 if test "x$mono_cv_uscore" = "xyes"; then
 759                         MONO_DL_NEED_USCORE=1
 760                 else
 761                         MONO_DL_NEED_USCORE=0
 762                 fi
 763                 AC_SUBST(MONO_DL_NEED_USCORE)
 764                 AC_CHECK_FUNC(dlerror)
 765         fi
 766
 767         dnl ******************************************************************
 768         dnl *** Checks for the IKVM JNI interface library                  ***
 769         dnl ******************************************************************
 770         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
 771
 772         ikvm_native_dir=
 773         if test x$with_ikvm_native = xyes; then
 774                 ikvm_native_dir=ikvm-native
 775                 jdk_headers_found="IKVM Native"
 776         fi
 777
 778         AC_SUBST(ikvm_native_dir)
 779
 780         AC_CHECK_HEADERS(execinfo.h)
 781
 782         AC_CHECK_FUNCS(getgrgid_r)
 783         AC_CHECK_FUNCS(getgrnam_r)
 784         AC_CHECK_FUNCS(getpwnam_r)
 785         AC_CHECK_FUNCS(getpwuid_r)
 786         AC_CHECK_FUNCS(getresuid)
 787         AC_CHECK_FUNCS(setresuid)
 788         AC_CHECK_FUNCS(kqueue)
 789         AC_CHECK_FUNCS(backtrace_symbols)
 790         AC_CHECK_FUNCS(mkstemp)
 791         AC_CHECK_FUNCS(mmap)
 792         AC_CHECK_FUNCS(madvise)
 793         AC_CHECK_FUNCS(getrusage)
 794         AC_CHECK_FUNCS(getpriority)
 795         AC_CHECK_FUNCS(setpriority)
 796
 797         AC_CHECK_FUNCS(sched_setaffinity)
 798
 799         dnl ******************************************************************
 800         dnl *** Check for large file support                               ***
 801         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 802         dnl ******************************************************************
 803
 804         # Check that off_t can represent 2**63 - 1 correctly, working around
 805         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 806         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 807         large_offt=no
 808         AC_DEFUN([LARGE_FILES], [
 809                 large_CPPFLAGS=$CPPFLAGS
 810                 CPPFLAGS="$CPPFLAGS $1"
 811                 AC_TRY_RUN([
 812                         #include <sys/types.h>
 813
 814                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 815
 816                         int main(void) {
 817                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 818                                                (BIG_OFF_T%2147483647==1));
 819                                 if(big_off_t) {
 820                                         exit(0);
 821                                 } else {
 822                                         exit(1);
 823                                 }
 824                         }
 825                 ], [
 826                         AC_MSG_RESULT(ok)
 827                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 828                         large_CPPFLAGS="$large_CPPFLAGS $1"
 829                         large_offt=yes
 830                 ], [
 831                         AC_MSG_RESULT(no)
 832                 ], "")
 833                 CPPFLAGS=$large_CPPFLAGS
 834         ])
 835
 836         AC_MSG_CHECKING(if off_t is 64 bits wide)
 837         LARGE_FILES("")
 838         if test $large_offt = no; then
 839                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 840                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 841         fi
 842         if test $large_offt = no; then
 843                 AC_MSG_WARN([No 64 bit file size support available])
 844         fi
 845
 846         dnl *****************************
 847         dnl *** Checks for libsocket  ***
 848         dnl *****************************
 849         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 850
 851         dnl *******************************
 852         dnl *** Checks for MSG_NOSIGNAL ***
 853         dnl *******************************
 854         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 855         AC_TRY_COMPILE([#include <sys/socket.h>], [
 856                 int f = MSG_NOSIGNAL;
 857         ], [
 858                 # Yes, we have it...
 859                 AC_MSG_RESULT(yes)
 860                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 861         ], [
 862                 # We'll have to use signals
 863                 AC_MSG_RESULT(no)
 864         ])
 865
 866         dnl *****************************
 867         dnl *** Checks for SOL_IP     ***
 868         dnl *****************************
 869         AC_MSG_CHECKING(for SOL_IP)
 870         AC_TRY_COMPILE([#include <netdb.h>], [
 871                 int level = SOL_IP;
 872         ], [
 873                 # Yes, we have it...
 874                 AC_MSG_RESULT(yes)
 875                 AC_DEFINE(HAVE_SOL_IP)
 876         ], [
 877                 # We'll have to use getprotobyname
 878                 AC_MSG_RESULT(no)
 879         ])
 880
 881         dnl *****************************
 882         dnl *** Checks for SOL_IPV6     ***
 883         dnl *****************************
 884         AC_MSG_CHECKING(for SOL_IPV6)
 885         AC_TRY_COMPILE([#include <netdb.h>], [
 886                 int level = SOL_IPV6;
 887         ], [
 888                 # Yes, we have it...
 889                 AC_MSG_RESULT(yes)
 890                 AC_DEFINE(HAVE_SOL_IPV6)
 891         ], [
 892                 # We'll have to use getprotobyname
 893                 AC_MSG_RESULT(no)
 894         ])
 895
 896         dnl *****************************
 897         dnl *** Checks for SOL_TCP    ***
 898         dnl *****************************
 899         AC_MSG_CHECKING(for SOL_TCP)
 900         AC_TRY_COMPILE([#include <netdb.h>], [
 901                 int level = SOL_TCP;
 902         ], [
 903                 # Yes, we have it...
 904                 AC_MSG_RESULT(yes)
 905                 AC_DEFINE(HAVE_SOL_TCP)
 906         ], [
 907                 # We'll have to use getprotobyname
 908                 AC_MSG_RESULT(no)
 909         ])
 910
 911         dnl *****************************
 912         dnl *** Checks for IP_PKTINFO ***
 913         dnl *****************************
 914         AC_MSG_CHECKING(for IP_PKTINFO)
 915         AC_TRY_COMPILE([#include <netdb.h>], [
 916                 int level = IP_PKTINFO;
 917         ], [
 918                 # Yes, we have it...
 919                 AC_MSG_RESULT(yes)
 920                 AC_DEFINE(HAVE_IP_PKTINFO)
 921         ], [
 922                 AC_MSG_RESULT(no)
 923         ])
 924
 925         dnl *****************************
 926         dnl *** Checks for IPV6_PKTINFO ***
 927         dnl *****************************
 928         AC_MSG_CHECKING(for IPV6_PKTINFO)
 929         AC_TRY_COMPILE([#include <netdb.h>], [
 930                 int level = IPV6_PKTINFO;
 931         ], [
 932                 # Yes, we have it...
 933                 AC_MSG_RESULT(yes)
 934                 AC_DEFINE(HAVE_IPV6_PKTINFO)
 935         ], [
 936                 AC_MSG_RESULT(no)
 937         ])
 938
 939         dnl **********************************
 940         dnl *** Checks for IP_DONTFRAGMENT ***
 941         dnl **********************************
 942         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
 943         AC_TRY_COMPILE([#include <netdb.h>], [
 944                 int level = IP_DONTFRAGMENT;
 945         ], [
 946                 # Yes, we have it...
 947                 AC_MSG_RESULT(yes)
 948                 AC_DEFINE(HAVE_IP_DONTFRAGMENT)
 949         ], [
 950                 AC_MSG_RESULT(no)
 951         ])
 952
 953         dnl **********************************
 954         dnl *** Checks for IP_MTU_DISCOVER ***
 955         dnl **********************************
 956         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
 957         AC_TRY_COMPILE([#include <netdb.h>], [
 958                 int level = IP_MTU_DISCOVER;
 959         ], [
 960                 # Yes, we have it...
 961                 AC_MSG_RESULT(yes)
 962                 AC_DEFINE(HAVE_IP_MTU_DISCOVER)
 963         ], [
 964                 AC_MSG_RESULT(no)
 965         ])
 966
 967         dnl *********************************
 968         dnl *** Check for struct ip_mreqn ***
 969         dnl *********************************
 970         AC_MSG_CHECKING(for struct ip_mreqn)
 971         AC_TRY_COMPILE([#include <netinet/in.h>], [
 972                 struct ip_mreqn mreq;
 973                 mreq.imr_address.s_addr = 0;
 974         ], [
 975                 # Yes, we have it...
 976                 AC_MSG_RESULT(yes)
 977                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 978         ], [
 979                 # We'll just have to try and use struct ip_mreq
 980                 AC_MSG_RESULT(no)
 981                 AC_MSG_CHECKING(for struct ip_mreq)
 982                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 983                         struct ip_mreq mreq;
 984                         mreq.imr_interface.s_addr = 0;
 985                 ], [
 986                         # Yes, we have it...
 987                         AC_MSG_RESULT(yes)
 988                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 989                 ], [
 990                         # No multicast support
 991                         AC_MSG_RESULT(no)
 992                 ])
 993         ])
 994
 995         dnl **********************************
 996         dnl *** Check for gethostbyname2_r ***
 997         dnl **********************************
 998         AC_MSG_CHECKING(for gethostbyname2_r)
 999                 AC_TRY_LINK([#include <netdb.h>], [
1000                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1001         ], [
1002                 # Yes, we have it...
1003                 AC_MSG_RESULT(yes)
1004                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
1005         ], [
1006                 AC_MSG_RESULT(no)
1007         ])
1008
1009         dnl *****************************
1010         dnl *** Checks for libnsl     ***
1011         dnl *****************************
1012         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1013
1014         AC_CHECK_FUNCS(inet_pton inet_aton)
1015
1016         dnl ***********************************************
1017         dnl *** Checks for size of sockaddr_un.sun_path ***
1018         dnl ***********************************************
1019         # AC_CHECK_SIZEOF can't cope with struct members :-(
1020         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1021         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
1022                 [AC_TRY_RUN([
1023                         #include <sys/types.h>
1024                         #include <stdio.h>
1025                         #include <sys/un.h>
1026
1027                         int main(void) {
1028                                 struct sockaddr_un sock_un;
1029                                 FILE *f=fopen("conftestval", "w");
1030                                 if(!f) exit(1);
1031                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1032                                 exit(0);
1033                         }
1034                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
1035                    cv_mono_sizeof_sunpath=0,
1036                    cv_mono_sizeof_sunpath=0)])dnl
1037         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
1038         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
1039
1040         dnl *************************************
1041         dnl *** Checks for zero length arrays ***
1042         dnl *************************************
1043         AC_MSG_CHECKING(whether $CC supports zero length arrays)
1044         AC_TRY_COMPILE([
1045                 struct s {
1046                         int  length;
1047                         char data [0];
1048                 };
1049         ], [], [
1050                 AC_MSG_RESULT(yes)
1051                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
1052         ], [
1053                 AC_MSG_RESULT(no)
1054                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
1055         ])
1056
1057         dnl *****************************
1058         dnl *** Checks for libxnet    ***
1059         dnl *****************************
1060         case "${host}" in
1061                 *solaris* )
1062                         AC_MSG_CHECKING(for Solaris XPG4 support)
1063                         if test -f /usr/lib/libxnet.so; then
1064                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1065                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1066                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1067                                 LIBS="$LIBS -lxnet"
1068                                 AC_MSG_RESULT(yes)
1069                         else
1070                                 AC_MSG_RESULT(no)
1071                         fi
1072
1073                         if test "$GCC" = "yes"; then
1074                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1075                         fi
1076                 ;;
1077         esac
1078
1079         dnl *****************************
1080         dnl *** Checks for libpthread ***
1081         dnl *****************************
1082 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1083 # and libpthread does not exist
1084 #
1085         case "${host}" in
1086                 *-*-*freebsd4*)
1087                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1088                 ;;
1089                 *-*-*freebsd5*)
1090                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1091                 ;;
1092                 *-*-*freebsd6*)
1093                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1094                 ;;
1095                 *)
1096                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1097                 ;;
1098         esac
1099         AC_CHECK_HEADERS(pthread.h)
1100         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1101         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1102         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1103         AC_TRY_COMPILE([ #include <pthread.h>], [
1104                 pthread_mutexattr_t attr;
1105                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1106         ], [
1107                 AC_MSG_RESULT(ok)
1108         ], [
1109                 AC_MSG_RESULT(no)
1110                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1111                 AC_DEFINE(USE_MONO_MUTEX)
1112         ])
1113         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1114         AC_CHECK_FUNCS(pthread_attr_getstack)
1115         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1116
1117         dnl ***********************************
1118         dnl *** Checks for working __thread ***
1119         dnl ***********************************
1120         AC_MSG_CHECKING(for working __thread)
1121         if test "x$with_tls" != "x__thread"; then
1122                 AC_MSG_RESULT(disabled)
1123         else
1124                 AC_TRY_RUN([
1125                         #include <pthread.h>
1126                         __thread int i;
1127                         static int res1, res2;
1128
1129                         void thread_main (void *arg)
1130                         {
1131                                 i = arg;
1132                                 sleep (1);
1133                                 if (arg == 1)
1134                                         res1 = (i == arg);
1135                                 else
1136                                         res2 = (i == arg);
1137                         }
1138
1139                         int main () {
1140                                 pthread_t t1, t2;
1141
1142                                 i = 5;
1143
1144                                 pthread_create (&t1, NULL, thread_main, 1);
1145                                 pthread_create (&t2, NULL, thread_main, 2);
1146
1147                                 pthread_join (t1, NULL);
1148                                 pthread_join (t2, NULL);
1149
1150                                 return !(res1 + res2 == 2);
1151                         }
1152                 ], [
1153                                 AC_MSG_RESULT(yes)
1154                 ], [
1155                                 AC_MSG_RESULT(no)
1156                                 with_tls=pthread
1157                 ])
1158         fi
1159
1160         dnl **************************************
1161         dnl *** Checks for working sigaltstack ***
1162         dnl **************************************
1163         AC_MSG_CHECKING(for working sigaltstack)
1164         if test "x$with_sigaltstack" != "xyes"; then
1165                 AC_MSG_RESULT(disabled)
1166         else
1167                 AC_TRY_RUN([
1168                         #include <stdio.h>
1169                         #include <stdlib.h>
1170                         #include <unistd.h>
1171                         #include <signal.h>
1172                         #include <pthread.h>
1173                         #include <sys/wait.h>
1174                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1175                         #define SA_STACK SA_ONSTACK
1176                         #endif
1177                         static void
1178                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1179                         {
1180                                 exit (0);
1181                         }
1182
1183                         static void *
1184                         loop (void *ignored)
1185                         {
1186                                 char *ptr = NULL;
1187
1188                                 *ptr = 0;
1189                                 return NULL;
1190                         }
1191
1192                         static void
1193                         child ()
1194                         {
1195                                 struct sigaction sa;
1196                                 struct sigaltstack sas;
1197                                 pthread_t id;
1198                                 pthread_attr_t attr;
1199
1200                                 sa.sa_sigaction = sigsegv_signal_handler;
1201                                 sigemptyset (&sa.sa_mask);
1202                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1203                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1204                                         perror ("sigaction");
1205                                         return;
1206                                 }
1207
1208                                 sas.ss_sp = malloc (SIGSTKSZ);
1209                                 sas.ss_size = SIGSTKSZ;
1210                                 sas.ss_flags = 0;
1211                                 if (sigaltstack (&sas, NULL) == -1) {
1212                                         perror ("sigaltstack");
1213                                         return;
1214                                 }
1215
1216                                 pthread_attr_init (&attr);
1217                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1218                                         printf ("pthread_create\n");
1219                                         return;
1220                                 }
1221
1222                                 sleep (100);
1223                         }
1224
1225                         int
1226                         main ()
1227                         {
1228                                 pid_t son;
1229                                 int status;
1230                                 int i;
1231
1232                                 son = fork ();
1233                                 if (son == -1) {
1234                                         return 1;
1235                                 }
1236
1237                                 if (son == 0) {
1238                                         child ();
1239                                         return 0;
1240                                 }
1241
1242                                 for (i = 0; i < 3; ++i) {
1243                                         sleep (1);
1244                                         waitpid (son, &status, WNOHANG);
1245                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1246                                                 return 0;
1247                                 }
1248
1249                                 kill (son, SIGKILL);
1250                                 return 1;
1251                         }
1252
1253                 ], [
1254                                 AC_MSG_RESULT(yes)
1255                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1256                 ], [
1257                                 with_sigaltstack=no
1258                                 AC_MSG_RESULT(no)
1259                 ])
1260         fi
1261
1262         dnl ********************************
1263         dnl *** Checks for semaphore lib ***
1264         dnl ********************************
1265         # 'Real Time' functions on Solaris
1266         # posix4 on Solaris 2.6
1267         # pthread (first!) on Linux
1268         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1269
1270         dnl ********************************
1271         dnl *** Checks for timezone stuff **
1272         dnl ********************************
1273         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1274                 AC_TRY_COMPILE([
1275                         #include <time.h>
1276                         ], [
1277                         struct tm tm;
1278                         tm.tm_gmtoff = 1;
1279                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1280         if test $ac_cv_struct_tm_gmtoff = yes; then
1281                 AC_DEFINE(HAVE_TM_GMTOFF)
1282         else
1283                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1284                         AC_TRY_COMPILE([
1285                                 #include <time.h>
1286                         ], [
1287                                 timezone = 1;
1288                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1289                 if test $ac_cv_var_timezone = yes; then
1290                         AC_DEFINE(HAVE_TIMEZONE)
1291                 else
1292                         AC_ERROR(unable to find a way to determine timezone)
1293                 fi
1294         fi
1295
1296         dnl *********************************
1297         dnl *** Checks for math functions ***
1298         dnl *********************************
1299         LIBS="$LIBS -lm";
1300         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1301                 AC_TRY_LINK([#include <math.h>],
1302                 [ finite(0.0); ],
1303                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1304                 AC_MSG_RESULT(no)))
1305         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1306                 AC_TRY_LINK([#include <math.h>],
1307                 [ isfinite(0.0); ],
1308                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1309                 AC_MSG_RESULT(no)))
1310
1311         dnl ****************************************************************
1312         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1313         dnl *** have it in the library (duh))                            ***
1314         dnl ****************************************************************
1315         AC_CHECK_FUNCS(poll)
1316
1317         dnl *************************
1318         dnl *** Check for signbit ***
1319         dnl *************************
1320         AC_MSG_CHECKING(for signbit)
1321         AC_TRY_LINK([#include <math.h>], [
1322                 int s = signbit(1.0);
1323         ], [
1324                 AC_MSG_RESULT(yes)
1325                 AC_DEFINE(HAVE_SIGNBIT)
1326         ], [
1327                 AC_MSG_RESULT(no)
1328         ])
1329
1330         dnl **********************************
1331         dnl *** epoll                      ***
1332         dnl **********************************
1333         AC_CHECK_HEADERS(sys/epoll.h)
1334         haveepoll=no
1335         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1336         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1337                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1338         fi
1339
1340         dnl ******************************
1341         dnl *** Checks for SIOCGIFCONF ***
1342         dnl ******************************
1343         AC_CHECK_HEADERS(sys/ioctl.h)
1344         AC_CHECK_HEADERS(net/if.h)
1345         AC_MSG_CHECKING(for ifreq)
1346         AC_TRY_COMPILE([
1347                 #include <sys/ioctl.h>
1348                 #include <net/if.h>
1349                 ], [
1350                 struct ifconf ifc;
1351                 struct ifreq *ifr;
1352                 void *x;
1353                 ifc.ifc_len = 0;
1354                 ifc.ifc_buf = NULL;
1355                 x = (void *) &ifr->ifr_addr;
1356                 ],[
1357                         AC_MSG_RESULT(yes)
1358                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1359                 ], [
1360                         AC_MSG_RESULT(no)
1361                 ])
1362         dnl **********************************
1363         dnl ***     Checks for sin_len     ***
1364         dnl **********************************
1365         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1366         AC_TRY_COMPILE([
1367                 #include <netinet/in.h>
1368                 ], [
1369                 struct sockaddr_in saddr;
1370                 saddr.sin_len = sizeof (saddr);
1371                 ],[
1372                         AC_MSG_RESULT(yes)
1373                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1374                 ], [
1375                         AC_MSG_RESULT(no)
1376                 ])
1377         dnl **********************************
1378         dnl ***    Checks for sin6_len     ***
1379         dnl **********************************
1380         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1381         AC_TRY_COMPILE([
1382                 #include <netinet/in.h>
1383                 ], [
1384                 struct sockaddr_in6 saddr6;
1385                 saddr6.sin6_len = sizeof (saddr6);
1386                 ],[
1387                         AC_MSG_RESULT(yes)
1388                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1389                 ], [
1390                         AC_MSG_RESULT(no)
1391                 ])
1392         dnl **********************************
1393         dnl *** Checks for MonoPosixHelper ***
1394         dnl **********************************
1395         AC_CHECK_HEADERS(checklist.h)
1396         AC_CHECK_HEADERS(fstab.h)
1397         AC_CHECK_HEADERS(attr/xattr.h)
1398         AC_CHECK_HEADERS(sys/extattr.h)
1399         AC_CHECK_HEADERS(sys/sendfile.h)
1400         AC_CHECK_HEADERS(sys/statvfs.h)
1401         AC_CHECK_HEADERS(sys/vfstab.h)
1402         AC_CHECK_HEADERS(sys/xattr.h)
1403         AC_CHECK_HEADERS(sys/mman.h)
1404         AC_CHECK_FUNCS(getdomainname)
1405         AC_CHECK_FUNCS(setdomainname)
1406         AC_CHECK_FUNCS(fgetgrent)
1407         AC_CHECK_FUNCS(fgetpwent)
1408         AC_CHECK_FUNCS(fgetpwent)
1409         AC_CHECK_FUNCS(getfsstat)
1410         AC_CHECK_FUNCS(lutimes)
1411         AC_CHECK_FUNCS(mremap)
1412         AC_CHECK_FUNCS(remap_file_pages)
1413         AC_CHECK_FUNCS(posix_fadvise)
1414         AC_CHECK_FUNCS(posix_fallocate)
1415         AC_CHECK_FUNCS(posix_madvise)
1416         AC_CHECK_FUNCS(vsnprintf)
1417         AC_CHECK_FUNCS(sendfile)
1418         AC_CHECK_FUNCS(sethostid)
1419         AC_CHECK_FUNCS(statfs)
1420         AC_CHECK_FUNCS(fstatfs)
1421         AC_CHECK_FUNCS(statvfs)
1422         AC_CHECK_FUNCS(fstatvfs)
1423         AC_CHECK_FUNCS(stime)
1424         AC_CHECK_FUNCS(strerror_r)
1425         AC_CHECK_FUNCS(ttyname_r)
1426         AC_CHECK_SIZEOF(size_t)
1427         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1428                 [#include <sys/types.h>
1429                  #include <sys/stat.h>
1430                  #include <unistd.h>])
1431         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1432                 [#include <sys/types.h>
1433                  #include <sys/stat.h>
1434                  #include <unistd.h>])
1435         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1436                 [#include <sys/time.h>])
1437         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1438                 [#include <sys/poll.h>])
1439         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1440                 [#include <sys/types.h>
1441                  #include <sys/stat.h>
1442                  #include <unistd.h>])
1443         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1444                 [#include <sys/time.h>
1445                  #include <sys/types.h>
1446                  #include <utime.h>])
1447         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1448                 [#include <sys/time.h>])
1449         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1450                 [#include <sys/types.h>
1451                  #include <utime.h>])
1452         AC_CHECK_MEMBERS(
1453                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1454                 [#include <sys/types.h>
1455                  #include <dirent.h>])
1456
1457         dnl Favour xattr through glibc, but use libattr if we have to
1458         AC_CHECK_FUNC(lsetxattr, ,
1459                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1460         )
1461         AC_SUBST(XATTR_LIB)
1462
1463         dnl *********************************
1464         dnl *** Checks for Windows compilation ***
1465         dnl *********************************
1466         AC_CHECK_HEADERS(sys/time.h)
1467         AC_CHECK_HEADERS(sys/param.h)
1468
1469         dnl *********************************
1470         dnl *** Check for Console 2.0 I/O ***
1471         dnl *********************************
1472         AC_CHECK_HEADERS([curses.h])
1473         AC_CHECK_HEADERS([term.h], [], [],
1474         [#if HAVE_CURSES_H
1475          #include <curses.h>
1476          #endif
1477         ])
1478         AC_CHECK_HEADERS([termios.h])
1479
1480         dnl * This is provided in io-layer, but on windows it's only available
1481         dnl * on xp+
1482         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1483 else
1484         jdk_headers_found=no
1485         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1486         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1487         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1488         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1489         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1490         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1491         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1492
1493         dnl *********************************
1494         dnl *** Check for struct ip_mreqn ***
1495         dnl *********************************
1496         AC_MSG_CHECKING(for struct ip_mreqn)
1497         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1498                 struct ip_mreqn mreq;
1499                 mreq.imr_address.s_addr = 0;
1500         ], [
1501                 # Yes, we have it...
1502                 AC_MSG_RESULT(yes)
1503                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1504         ], [
1505                 # We'll just have to try and use struct ip_mreq
1506                 AC_MSG_RESULT(no)
1507                 AC_MSG_CHECKING(for struct ip_mreq)
1508                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1509                         struct ip_mreq mreq;
1510                         mreq.imr_interface.s_addr = 0;
1511                 ], [
1512                         # Yes, we have it...
1513                         AC_MSG_RESULT(yes)
1514                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1515                 ], [
1516                         # No multicast support
1517                         AC_MSG_RESULT(no)
1518                 ])
1519         ])
1520         AC_CHECK_FUNCS(GetProcessId)
1521 fi
1522
1523 dnl socklen_t check
1524 AC_MSG_CHECKING(for socklen_t)
1525 AC_TRY_COMPILE([
1526 #include <sys/types.h>
1527 #include <sys/socket.h>
1528 ],[
1529   socklen_t foo;
1530 ],[
1531 ac_cv_c_socklen_t=yes
1532         AC_DEFINE(HAVE_SOCKLEN_T)
1533         AC_MSG_RESULT(yes)
1534 ],[
1535         AC_MSG_RESULT(no)
1536 ])
1537
1538 AC_MSG_CHECKING(for array element initalizer support)
1539 AC_TRY_COMPILE([#include <sys/socket.h>], [
1540         const int array[] = {[1] = 2,};
1541 ], [
1542         # Yes, we have it...
1543         AC_MSG_RESULT(yes)
1544         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1545 ], [
1546         # We'll have to use signals
1547         AC_MSG_RESULT(no)
1548 ])
1549
1550 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1551         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1552         AC_TRY_LINK([#include <math.h>],
1553         [ static void *p = &trunc; ],
1554         [
1555                 AC_DEFINE(HAVE_TRUNC)
1556                 AC_MSG_RESULT(yes)
1557                 ac_cv_trunc=yes
1558         ],
1559         AC_MSG_RESULT(no)))
1560
1561 if test "x$ac_cv_truncl" != "xyes"; then
1562    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1563 fi
1564
1565 dnl ****************************
1566 dnl *** Look for /dev/random ***
1567 dnl ****************************
1568
1569 AC_MSG_CHECKING([if usage of random device is requested])
1570 AC_ARG_ENABLE(dev-random,
1571 [  --disable-dev-random    disable the use of the random device],
1572 try_dev_random=$enableval, try_dev_random=yes)
1573 AC_MSG_RESULT($try_dev_random)
1574
1575 case "{$target}" in
1576     *-openbsd*)
1577     NAME_DEV_RANDOM="/dev/srandom"
1578     ;;
1579
1580 dnl Win32 does not have /dev/random, they have their own method...
1581
1582     *-*-mingw*|*-*-cygwin*)
1583     ac_cv_have_dev_random=no
1584     ;;
1585
1586 dnl Everywhere else, it's /dev/random
1587
1588     *)
1589     NAME_DEV_RANDOM="/dev/random"
1590     ;;
1591 esac
1592
1593 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1594
1595 dnl Now check if the device actually exists
1596
1597 if test "x$try_dev_random" = "xyes"; then
1598     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1599     [if test -r "$NAME_DEV_RANDOM" ; then
1600         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1601     if test "x$ac_cv_have_dev_random" = "xyes"; then
1602         AC_DEFINE(HAVE_CRYPT_RNG)
1603     fi
1604 else
1605     AC_MSG_CHECKING(for random device)
1606     ac_cv_have_dev_random=no
1607     AC_MSG_RESULT(has been disabled)
1608 fi
1609
1610 if test "x$platform_win32" = "xyes"; then
1611     AC_DEFINE(HAVE_CRYPT_RNG)
1612 fi
1613
1614 if test "x$ac_cv_have_dev_random" = "xno" \
1615     && test "x$platform_win32" = "xno"; then
1616     AC_MSG_WARN([[
1617 ***
1618 *** A system-provided entropy source was not found on this system.
1619 *** Because of this, the System.Security.Cryptography random number generator
1620 *** will throw a NotImplemented exception.
1621 ***
1622 *** If you are seeing this message, and you know your system DOES have an
1623 *** entropy collection in place, please contact <crichton@gimp.org> and
1624 *** provide information about the system and how to access the random device.
1625 ***
1626 *** Otherwise you can install either egd or prngd and set the environment
1627 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1628 ***]])
1629 fi
1630
1631 AC_MSG_CHECKING([if inter-process shared handles are requested])
1632 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1633 AC_MSG_RESULT($try_shared_handles)
1634 if test "x$try_shared_handles" != "xyes"; then
1635         AC_DEFINE(DISABLE_SHARED_HANDLES)
1636         AC_SUBST(DISABLE_SHARED_HANDLES)
1637 fi
1638
1639
1640 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1641 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1642
1643 TARGET="unknown"
1644 ACCESS_UNALIGNED="yes"
1645
1646 JIT_SUPPORTED=no
1647 INTERP_SUPPORTED=no
1648 LIBC="libc.so.6"
1649 INTL="libc.so.6"
1650 SQLITE="libsqlite.so.0"
1651 SQLITE3="libsqlite3.so.0"
1652 X11="libX11.so"
1653
1654 jit_wanted=false
1655 interp_wanted=false
1656 case "$host" in
1657 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1658 #               TARGET=MIPS;
1659 #               ACCESS_UNALIGNED="no"
1660 #               ;;
1661         mips*)
1662                 TARGET=MIPS;
1663                 arch_target=mips;
1664                 ACCESS_UNALIGNED="no"
1665                 JIT_SUPPORTED=yes
1666                 jit_wanted=true
1667                 ;;
1668         i*86-*-*)
1669                 TARGET=X86;
1670                 arch_target=x86;
1671                 JIT_SUPPORTED=yes
1672                 jit_wanted=true
1673                 case $host_os in
1674                   solaris*)
1675                         LIBC="libc.so"
1676                         INTL="libintl.so"
1677                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
1678                                 TARGET=AMD64
1679                                 arch_target=amd64
1680                         fi
1681
1682                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1683                         # int astruct __attribute__ ((visibility ("hidden")));
1684                         # void foo ()
1685                         # {
1686                         #       void *p = &astruct;
1687                         # }
1688                         # gcc -fPIC --shared -o libfoo.so foo.c
1689                         # yields:
1690                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1691                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1692                         have_visibility_hidden=no
1693
1694                 esac
1695                 ;;
1696         x86_64-*-* | amd64-*-*)
1697                 TARGET=AMD64;
1698                 arch_target=amd64;
1699                 JIT_SUPPORTED=yes
1700                 jit_wanted=true
1701                 ;;
1702         ia64-*-*)
1703                 TARGET=IA64
1704                 arch_target=ia64
1705                 ACCESS_UNALIGNED="no"
1706                 JIT_SUPPORTED=yes
1707                 jit_wanted=true
1708                 LIBC="libc.so.6.1"
1709                 INTL="libc.so.6.1"
1710                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1711                 libmono_ldflags="-lunwind"
1712                 ;;
1713         sparc*-*-*)
1714                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1715                    TARGET=SPARC64
1716                 else
1717                         TARGET=SPARC
1718                 fi
1719                 arch_target=sparc;
1720                 JIT_SUPPORTED=yes
1721                 ACCESS_UNALIGNED="no"
1722                 case $host_os in
1723                   linux*) ;;
1724                   *)
1725                         LIBC="libc.so"
1726                         INTL="libintl.so"
1727                 esac
1728                 jit_wanted=true
1729                 if test x"$GCC" = xyes; then
1730                         # We don't support v8 cpus
1731                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1732                 fi
1733                 if test x"$AR" = xfalse; then
1734                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1735                 fi
1736                 ;;
1737        alpha*-*-linux* | alpha*-*-osf*)
1738                 TARGET=ALPHA;
1739                 ACCESS_UNALIGNED="no"
1740                 JIT_SUPPORTED=yes
1741                 jit_wanted=true
1742                 arch_target=alpha;
1743                 CFLAGS="$CFLAGS -mieee -O0"
1744                 case $host_os in
1745                   linux*)
1746                         LIBC="libc.so.6.1"
1747                         INTL="libc.so.6.1"
1748                 esac
1749                ;;
1750         *-*-mingw*|*-*-cygwin*)
1751                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
1752                 have_visibility_hidden=no
1753                 INTL="intl"
1754                 ;;
1755         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1756                 TARGET=HPPA;
1757                 arch_target=hppa;
1758                 LIBC="libc.sl"
1759                 ACCESS_UNALIGNED="no"
1760                 INTERP_SUPPORTED=yes
1761                 interp_wanted=true
1762                 ;;
1763         hppa*linux*)
1764                 TARGET=HPPA;
1765                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1766                 arch_target=hppa;
1767                 ACCESS_UNALIGNED="no"
1768                 JIT_SUPPORTED=yes
1769                 jit_wanted=true
1770                 ;;
1771         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
1772         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* )
1773                 TARGET=POWERPC;
1774                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1775                 arch_target=ppc;
1776                 JIT_SUPPORTED=yes
1777                 jit_wanted=true
1778                 ;;
1779         arm*-linux*)
1780                 TARGET=ARM;
1781                 arch_target=arm;
1782                 ACCESS_UNALIGNED="no"
1783                 JIT_SUPPORTED=yes
1784                 jit_wanted=true
1785                 ;;
1786         s390-*-linux*)
1787                 TARGET=S390;
1788                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1789                 arch_target=s390;
1790                 ACCESS_UNALIGNED="no"
1791                 JIT_SUPPORTED=yes
1792                 jit_wanted=true
1793                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
1794                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1795                 ;;
1796         s390x-*-linux*)
1797                 TARGET=S390x;
1798                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1799                 arch_target=s390x;
1800                 ACCESS_UNALIGNED="no"
1801                 JIT_SUPPORTED=yes
1802                 jit_wanted=true
1803                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1804                 ;;
1805 esac
1806
1807 if test "x$have_visibility_hidden" = "xyes"; then
1808    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1809 fi
1810
1811 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1812         if test x$withval = xyes; then
1813            jit_wanted=true
1814         else
1815            jit_wanted=false
1816         fi
1817 ])
1818
1819 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1820         if test x$withval = xyes; then
1821            interp_wanted=true
1822         else
1823            interp_wanted=false
1824         fi
1825 ])
1826
1827 USEJIT=false
1828 if test x$JIT_SUPPORTED = xyes; then
1829    if $jit_wanted; then
1830       USEJIT=true
1831       jit_status="Building and using the JIT"
1832    else
1833       if $interp_wanted; then
1834          jit_status="Building the JIT, defaulting to the interpreter"
1835       else
1836          AC_ERROR(No JIT or interpreter support available or selected.)
1837       fi
1838    fi
1839 else
1840    if test x$interp_wanted = xtrue; then
1841       jit_status="interpreter"
1842    else
1843       AC_ERROR(No JIT or interpreter support available or selected.)
1844    fi
1845 fi
1846
1847 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1848
1849 libsuffix=".so"
1850
1851 case "$host" in
1852      *-*-darwin*)
1853         libsuffix=".dylib"
1854         LIBC="libc.dylib"
1855         INTL="libintl.dylib"
1856         SQLITE="libsqlite.0.dylib"
1857         SQLITE3="libsqlite3.0.dylib"
1858         X11="libX11.dylib"
1859         ;;
1860      *-*-*netbsd*)
1861         LIBC="libc.so.12"
1862         INTL="libintl.so.0"
1863         ;;
1864     *-*-*freebsd*)
1865         LIBC="libc.so"
1866         INTL="libintl.so"
1867         ;;
1868     *-*-*openbsd*)
1869         LIBC="libc.so"
1870         INTL="libintl.so"
1871         ;;
1872     *-*-*linux*)
1873         AC_PATH_X
1874         AC_MSG_CHECKING(for the soname of libX11.so)
1875         for i in $x_libraries /usr/lib /usr/lib64; do
1876                 for r in 4 5 6; do
1877                         if test -f $i/libX11.so.$r; then
1878                                 X11=libX11.so.$r
1879                                 AC_MSG_RESULT($X11)
1880                         fi
1881                 done
1882         done
1883
1884         if test "x$X11" = "xlibX11.so"; then
1885                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1886         fi
1887         ;;
1888 esac
1889
1890
1891 AC_SUBST(libsuffix)
1892
1893 if test "x$TARGET" != "xAMD64"; then
1894    # valgrind headers don't compile under x86-64
1895    AC_CHECK_HEADERS(valgrind/memcheck.h)
1896 fi
1897
1898 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1899         if test "x$with_tls" = "x__thread"; then
1900                 #
1901                 # On some linux distributions, TLS works in executables, but linking
1902                 # against a shared library containing TLS fails with:
1903                 # undefined reference to `__tls_get_addr'
1904                 #
1905                 rm -f conftest.c conftest.so conftest
1906                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1907                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1908                 $CC -o conftest conftest.so > /dev/null 2>&1
1909                 if test ! -f conftest; then
1910                    AC_MSG_WARN([Disabling usage of __thread.]);
1911                    with_tls=pthread
1912                 fi
1913                 rm -f conftest.c conftest.so conftest
1914         fi
1915 fi
1916
1917 mono_debugger_supported=no
1918 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
1919         if test x$use_included_gc = xyes; then
1920                 case "$host" in
1921                 *-*-*linux*)
1922                         mono_debugger_supported=yes
1923                         ;;
1924                 esac
1925         fi
1926 fi
1927
1928 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1929 if test "x$mono_debugger_supported" = "xyes"; then
1930         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1931 fi
1932 AC_MSG_RESULT($mono_debugger_supported)
1933 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1934
1935 if test "x$with_tls" = "x__thread"; then
1936         AC_DEFINE(HAVE_KW_THREAD)
1937         # Pass the information to libgc
1938         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1939         AC_MSG_CHECKING(if the tls_model attribute is supported)
1940         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1941                 ], [
1942                         AC_MSG_RESULT(yes)
1943                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1944                 ], [
1945                         AC_MSG_RESULT(no)
1946         ])
1947 fi
1948
1949 if test ${TARGET} = ARM; then
1950         dnl ******************************************
1951         dnl *** Check to see what FPU is available ***
1952         dnl ******************************************
1953         AC_MSG_CHECKING(which FPU to use)
1954
1955         AC_TRY_COMPILE([], [
1956                 __asm__ ("ldfd f0, [r0]");
1957                 ], fpu=FPA, fpu=NONE)
1958
1959         AC_MSG_RESULT($fpu)
1960         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
1961         unset fpu
1962 fi
1963
1964 if test ${TARGET} = unknown; then
1965         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1966         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1967 fi
1968
1969 if test ${ACCESS_UNALIGNED} = no; then
1970         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1971 fi
1972
1973 PREVIEW=yes
1974 AC_ARG_WITH(preview,  [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1975         if test x$with_preview = xno; then
1976               PREVIEW=no
1977         fi
1978 ])
1979
1980 MOONLIGHT=yes
1981 AC_ARG_WITH(moonlight,[ --with-moonlight=yes,no   If you want to build the Moonlight 2.1 assemblies],[
1982         if test x$with_moonlight = xno; then
1983               MOONLIGHT=no
1984         fi
1985 ])
1986
1987 OPROFILE=no
1988 AC_ARG_WITH(oprofile,[ --with-oprofile=no,<path>   Enable oprofile support (defaults to NO)],[
1989         if test x$with_oprofile != xno; then
1990               OPROFILE=yes
1991               OPROFILE_CFLAGS="-I$with_oprofile/include"
1992               OPROFILE_LIBS=
1993               AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
1994         fi
1995 ])
1996
1997 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
1998 AC_SUBST(OPROFILE_CFLAGS)
1999 AC_SUBST(OPROFILE_LIBS)
2000
2001 libmono_ldflags="$libmono_ldflags $LIBS"
2002
2003 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
2004 AM_CONDITIONAL(INSTALL_2_1, test x$MOONLIGHT = xyes)
2005
2006 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2007 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2008 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2009 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2010 AM_CONDITIONAL(X86, test x$TARGET = xX86)
2011 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
2012 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
2013 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
2014 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
2015 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
2016 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2017 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
2018 AM_CONDITIONAL(S390, test x$TARGET = xS390)
2019 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
2020 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
2021
2022 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
2023 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
2024 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
2025
2026 AC_SUBST(LIBC)
2027 AC_SUBST(INTL)
2028 AC_SUBST(SQLITE)
2029 AC_SUBST(SQLITE3)
2030 AC_SUBST(X11)
2031 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
2032 AC_SUBST(arch_target)
2033 AC_SUBST(CFLAGS)
2034 AC_SUBST(CPPFLAGS)
2035 AC_SUBST(LDFLAGS)
2036
2037 mono_build_root=`pwd`
2038 AC_SUBST(mono_build_root)
2039
2040 if test x$USEJIT = xtrue; then
2041   mono_runtime=mono/mini/mono
2042 else
2043   mono_runtime=mono/interpreter/mint
2044 fi
2045 AC_SUBST(mono_runtime)
2046
2047 mono_cfg_root=$mono_build_root/runtime
2048 if test x$platform_win32 = xyes; then
2049   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
2050 else
2051   mono_cfg_dir=$mono_cfg_root/etc
2052 fi
2053 AC_SUBST(mono_cfg_dir)
2054
2055 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
2056 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
2057
2058 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
2059 [   depth=../../../..
2060     case $srcdir in
2061     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2062     .) reldir=$depth ;;
2063     *) reldir=$depth/$srcdir ;;
2064     esac
2065     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
2066     cd runtime/etc/mono/1.0
2067     rm -f machine.config
2068     $LN_S $reldir/data/net_1_1/machine.config machine.config
2069     cd $depth
2070 ],[LN_S='$LN_S'])
2071
2072 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
2073 [   depth=../../../..
2074     case $srcdir in
2075     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2076     .) reldir=$depth ;;
2077     *) reldir=$depth/$srcdir ;;
2078     esac
2079     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2080     cd runtime/etc/mono/2.0
2081     rm -f machine.config
2082     $LN_S $reldir/data/net_2_0/machine.config machine.config
2083     cd $depth
2084 ],[LN_S='$LN_S'])
2085
2086 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
2087 [   depth=../../../..
2088     case $srcdir in
2089     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2090     .) reldir=$depth ;;
2091     *) reldir=$depth/$srcdir ;;
2092     esac
2093     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2094     cd runtime/etc/mono/2.0
2095     rm -f web.config
2096     $LN_S $reldir/data/net_2_0/web.config web.config
2097     cd $depth
2098 ],[LN_S='$LN_S'])
2099
2100 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
2101 [   depth=../../..
2102     case $srcdir in
2103     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2104     .) reldir=$depth ;;
2105     *) reldir=$depth/$srcdir ;;
2106     esac
2107     $ac_aux_dir/install-sh -d runtime/etc/mono/
2108     cd runtime/etc/mono/
2109     rm -f browscap.ini
2110     $LN_S $reldir/data/browscap.ini browscap.ini
2111     cd $depth
2112 ],[LN_S='$LN_S'])
2113
2114 AC_OUTPUT([
2115 Makefile
2116 mono-uninstalled.pc
2117 scripts/mono-nunit.pc
2118 scripts/mono-find-provides
2119 scripts/mono-find-requires
2120 mono/Makefile
2121 mono/utils/Makefile
2122 mono/metadata/Makefile
2123 mono/dis/Makefile
2124 mono/cil/Makefile
2125 mono/arch/Makefile
2126 mono/os/Makefile
2127 mono/arch/x86/Makefile
2128 mono/arch/amd64/Makefile
2129 mono/arch/hppa/Makefile
2130 mono/arch/ppc/Makefile
2131 mono/arch/sparc/Makefile
2132 mono/arch/s390/Makefile
2133 mono/arch/s390x/Makefile
2134 mono/arch/arm/Makefile
2135 mono/arch/alpha/Makefile
2136 mono/arch/ia64/Makefile
2137 mono/arch/mips/Makefile
2138 mono/interpreter/Makefile
2139 mono/tests/Makefile
2140 mono/tests/tests-config
2141 mono/tests/assemblyresolve/Makefile
2142 mono/tests/cas/Makefile
2143 mono/tests/cas/assembly/Makefile
2144 mono/tests/cas/demand/Makefile
2145 mono/tests/cas/inheritance/Makefile
2146 mono/tests/cas/linkdemand/Makefile
2147 mono/tests/cas/threads/Makefile
2148 mono/benchmark/Makefile
2149 mono/monoburg/Makefile
2150 mono/monograph/Makefile
2151 mono/io-layer/Makefile
2152 mono/mini/Makefile
2153 mono/profiler/Makefile
2154 ikvm-native/Makefile
2155 scripts/Makefile
2156 man/Makefile
2157 web/Makefile
2158 docs/Makefile
2159 data/Makefile
2160 data/net_1_1/Makefile
2161 data/net_2_0/Makefile
2162 data/mint.pc
2163 data/mono.pc
2164 data/mono-cairo.pc
2165 data/dotnet.pc
2166 data/cecil.pc
2167 samples/Makefile
2168 support/Makefile
2169 data/config
2170 tools/Makefile
2171 tools/locale-builder/Makefile
2172 runtime/Makefile
2173 msvc/Makefile
2174 ])
2175
2176 if test x$platform_win32 = xyes; then
2177    # Get rid of 'cyg' prefixes in library names
2178    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2179    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2180    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2181    # executable doesn't work...
2182    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2183 fi
2184
2185 (
2186   case $prefix in
2187   NONE) prefix=$ac_default_prefix ;;
2188   esac
2189   case $exec_prefix in
2190   NONE) exec_prefix='${prefix}' ;;
2191   esac
2192
2193   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
2194
2195   #
2196   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2197   # any existing config.make.  This allows people to share the same source tree
2198   # with different build directories, one native and one cross
2199   #
2200   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2201     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
2202     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
2203     echo "sysconfdir=$sysconfdir" >> $srcdir/$mcsdir/build/config.make
2204     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
2205     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2206     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2207     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2208     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2209
2210     case $INSTALL in
2211     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2212     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2213     esac
2214
2215     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2216
2217     export VERSION
2218     [myver=$($AWK 'BEGIN {
2219       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2220       if(length(vsplit [1]) > 4) {
2221         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
2222       }
2223       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2224     }')]
2225
2226     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2227   fi
2228
2229   # if we have an olive folder, override the default settings
2230   if test -d $olivedir; then
2231
2232     test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
2233
2234     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
2235       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
2236       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
2237       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
2238       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
2239       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
2240       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
2241           if test x$with_moonlight = xyes; then
2242         echo "WITH_MOONLIGHT = yes" >> $srcdir/$olivedir/build/config.make
2243       fi
2244     fi
2245   fi
2246 )
2247
2248 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2249
2250 echo "
2251         mcs source:    $mcs_topdir
2252         olive source:  $olive_topdir
2253
2254         GC:          $gc
2255         TLS:         $with_tls
2256         SIGALTSTACK: $with_sigaltstack
2257         Engine:      $jit_status
2258         2.0 Beta:    $PREVIEW
2259         2.1 Alpha:   $MOONLIGHT
2260         JNI support: $jdk_headers_found
2261         libgdiplus:  $libgdiplus_msg
2262         zlib:        $zlib_msg
2263         oprofile:    $OPROFILE
2264         $disabled
2265
2266 "
2267 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2268    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexepcted bugs)
2269 fi
2270
2271 if test x$gc = xsgen; then
2272         echo IMPORTANT:
2273         echo IMPORTANT: You have selected an experimental, work-in-progress
2274         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2275         echo IMPORTANT: and is not yet ready for use.
2276         echo IMPORTANT:
2277         echo IMPORTANT: There are known problems with it, use at your own risk.
2278 fi