configure.in

   1 AC_INIT(README)
   2 AC_CANONICAL_SYSTEM
   3 AM_CONFIG_HEADER(config.h)
   4 AM_INIT_AUTOMAKE(mono,1.1.1)
   5 AM_MAINTAINER_MODE
   6
   7 AC_PROG_LN_S
   8
   9 dnl
  10 dnl libgc checks
  11 dnl
  12
  13 gc_headers=no
  14 gc=included
  15 use_included_gc=no
  16
  17 if test -d $srcdir/libgc ; then
  18   gc_default=included
  19 else
  20   gc_default=boehm
  21 fi
  22
  23 #
  24 # These are the flags that need to be stored in the mono.pc file for
  25 # compiling code that will embed Mono
  26 #
  27 libmono_cflags=""
  28 libmono_ldflags=""
  29 AC_SUBST(libmono_cflags)
  30 AC_SUBST(libmono_ldflags)
  31
  32 dnl if linker handles the version script
  33 no_version_script=no
  34
  35 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  36 need_link_unlink=no
  37
  38 # Thread configuration inspired by sleepycat's db
  39 AC_MSG_CHECKING([host platform characteristics])
  40 libgc_threads=no
  41 case "$host" in
  42         *-*-mingw*|*-*-cygwin*)
  43                 platform_win32=yes
  44                 AC_DEFINE(PLATFORM_WIN32,1,[Platform is Win32])
  45                 CC="gcc -mno-cygwin -g"
  46                 HOST_CC="gcc"
  47                 # So libgc configure gets -mno-cygwin
  48                 export CC
  49 # latest libgc already defines GC_WIN32_THREADS
  50 #               CPPFLAGS="$CPPFLAGS -DGC_WIN32_THREADS -DWIN32_THREADS"
  51                 CPPFLAGS="$CPPFLAGS -DWIN32_THREADS"
  52                 libdl=
  53                 libgc_threads=win32
  54                 gc_default=included
  55                 with_nptl=default
  56                 with_sigaltstack=no
  57                 LN_S=cp
  58
  59                 ;;
  60         *-*-*netbsd*)
  61                 platform_win32=no
  62                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
  63                 libmono_cflags="-D_REENTRANT"
  64                 LDFLAGS="$LDFLAGS -pthread"
  65                 libmono_ldflags="-pthread"
  66                 need_link_unlink=yes
  67                 libdl=
  68                 libgc_threads=no
  69                 ;;
  70 # these flags will work for all versions of -STABLE
  71 #
  72         *-*-*freebsd4*)
  73                 platform_win32=no
  74                 if test "x$PTHREAD_CFLAGS" = "x"; then
  75                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
  76                         libmono_cflags="-D_THREAD_SAFE"
  77                 else
  78                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
  79                         libmono_cflags="$PTHREAD_CFLAGS"
  80                 fi
  81                 if test "x$PTHREAD_LIBS" = "x"; then
  82                         LDFLAGS="$LDFLAGS -pthread"
  83                         libmono_ldflags="-pthread"
  84                 else
  85                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
  86                         libmono_ldflags="$PTHREAD_LIBS"
  87                 fi
  88                 need_link_unlink=yes
  89                 AC_DEFINE(PTHREAD_POINTER_ID)
  90                 libdl=
  91                 libgc_threads=pthreads
  92 # TLS isn't implemented at all on -STABLE
  93                 with_nptl=no
  94                 with_tls=pthread
  95                 ;;
  96 # older versions of -CURRENT will break with these flags but testing
  97 # indicates these older versions won't run Mono anyway
  98 #
  99         *-*-*freebsd5*)
 100                 platform_win32=no
 101                 if test "x$PTHREAD_CFLAGS" = "x"; then
 102                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 103                         libmono_cflags=
 104                 else
 105                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 106                         libmono_cflags="$PTHREAD_CFLAGS"
 107                 fi
 108                 if test "x$PTHREAD_LIBS" = "x"; then
 109                         LDFLAGS="$LDFLAGS -lpthread"
 110                         libmono_ldflags="-lpthread"
 111                 else
 112                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 113                         libmono_ldflags="$PTHREAD_LIBS"
 114                 fi
 115                 need_link_unlink=yes
 116                 AC_DEFINE(PTHREAD_POINTER_ID)
 117                 libdl=
 118                 libgc_threads=pthreads
 119 # TLS is only partially implemented on -CURRENT (compiler support
 120 # but NOT library support)
 121 #
 122                 with_nptl=no
 123                 with_tls=pthread
 124                 ;;
 125         *-*-*openbsd*)
 126                 platform_win32=no
 127                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
 128                 libmono_cflags="-D_THREAD_SAFE"
 129                 LDFLAGS="$LDFLAGS -pthread"
 130                 libmono_ldflags="-pthread"
 131                 need_link_unlink=yes
 132                 AC_DEFINE(PTHREAD_POINTER_ID)
 133                 libdl=
 134                 libgc_threads=pthreads
 135                 ;;
 136         *-*-linux*)
 137                 platform_win32=no
 138                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT"
 139                 libmono_cflags="-D_REENTRANT"
 140                 libmono_ldflags="-lpthread"
 141                 libdl="-ldl"
 142                 libgc_threads=pthreads
 143                 ;;
 144         *-*-hpux*)
 145                 platform_win32=no
 146                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 147                 CFLAGS="$CFLAGS +ESdbgasm"
 148                 LDFLAGS="$LDFLAGS -z"
 149                 libmono_cflags="-D_REENTRANT"
 150                 libmono_ldflags="-lpthread"
 151                 libgc_threads=pthreads
 152                 need_link_unlink=yes
 153                 ;;
 154         *-*-solaris*)
 155                 platform_win32=no
 156                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT"
 157                 need_link_unlink=yes
 158                 libmono_cflags="-D_REENTRANT"
 159                 libgc_threads=pthreads
 160                 ;;
 161         *-*-darwin*)
 162                 platform_win32=no
 163                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS"
 164                 libmono_cflags="-D_THREAD_SAFE"
 165                 LDFLAGS="$LDFLAGS -pthread"
 166                 libmono_ldflags="-pthread"
 167                 need_link_unlink=yes
 168                 AC_DEFINE(PTHREAD_POINTER_ID)
 169                 AC_DEFINE(USE_MACH_SEMA)
 170                 no_version_script=yes
 171                 libdl=
 172                 libgc_threads=pthreads
 173                 ;;
 174         *)
 175                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 176                 platform_win32=no
 177                 libdl="-ldl"
 178                 ;;
 179 esac
 180 AC_MSG_RESULT(ok)
 181
 182 if test x$need_link_unlink = xyes; then
 183    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 184 fi
 185
 186 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
 187
 188 AC_CHECK_TOOL(CC, gcc, gcc)
 189 AC_PROG_CC
 190 AM_PROG_CC_STDC
 191 AC_PROG_INSTALL
 192 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 193 : ${CCAS='$(CC)'}
 194 # Set ASFLAGS if not already set.
 195 : ${CCASFLAGS='$(CFLAGS)'}
 196 AC_SUBST(CCAS)
 197 AC_SUBST(CCASFLAGS)
 198
 199 AC_CHECK_PROG(BISON, bison,yes,no)
 200 if test "x$BISON" = "xno";
 201 then
 202         AC_MSG_ERROR([You need to install bison])
 203 fi
 204
 205 dnl may require a specific autoconf version
 206 dnl AC_PROG_CC_FOR_BUILD
 207 dnl CC_FOR_BUILD not automatically detected
 208 CC_FOR_BUILD=$CC
 209 BUILD_EXEEXT=
 210 if test "x$cross_compiling" = "xyes"; then
 211         CC_FOR_BUILD=cc
 212         BUILD_EXEEXT=""
 213 fi
 214 AC_SUBST(CC_FOR_BUILD)
 215 AC_SUBST(HOST_CC)
 216 AC_SUBST(BUILD_EXEEXT)
 217
 218 # Set STDC_HEADERS
 219 AC_HEADER_STDC
 220 AC_LIBTOOL_WIN32_DLL
 221 AM_PROG_LIBTOOL
 222
 223 # Test whenever ld supports -version-script
 224 AC_PROG_LD
 225 AC_PROG_LD_GNU
 226 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 227    no_version_script=yes
 228 fi
 229
 230 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 231
 232 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h)
 233
 234 # for mono/metadata/debug-symfile.c
 235 AC_CHECK_HEADERS(elf.h)
 236
 237 # for mono/dis
 238 AC_CHECK_HEADERS(wchar.h)
 239
 240 # not 64 bit clean in cross-compile
 241 AC_CHECK_SIZEOF(void *, 4)
 242
 243 WARN=''
 244 if test x"$GCC" = xyes; then
 245         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
 246                 # The runtime code does not respect ANSI C strict aliasing rules
 247                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 248 else
 249         # The Sun Forte compiler complains about inline functions that access static variables
 250         # so disable all inlining.
 251         case "$host" in
 252         *-*-solaris*)
 253                 CFLAGS="$CFLAGS -Dinline="
 254                 ;;
 255         esac
 256 fi
 257 CFLAGS="$CFLAGS -g $WARN"
 258
 259 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 260 if test "x$PKG_CONFIG" = "xno"; then
 261         AC_MSG_ERROR([You need to install pkg-config])
 262 fi
 263
 264 dnl for use on the build system
 265 dnl pkg-config is stupid
 266 BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 267 BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 268 AC_SUBST(BUILD_GLIB_CFLAGS)
 269 AC_SUBST(BUILD_GLIB_LIBS)
 270
 271 PKG_PATH=
 272 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 273         if test x$with_crosspkgdir = "x"; then
 274                 if test -s $PKG_CONFIG_PATH; then
 275                         PKG_PATH=$PKG_CONFIG_PATH
 276                 fi
 277         else
 278                 PKG_PATH=$with_crosspkgdir
 279                 PKG_CONFIG_PATH=$PKG_PATH
 280                 export PKG_CONFIG_PATH
 281         fi
 282 )
 283
 284 ## Versions of dependencies
 285 GLIB_REQUIRED_VERSION=1.3.11
 286
 287 PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 288
 289 GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 290 GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 291 GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 292 GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 293
 294 AC_SUBST(GLIB_CFLAGS)
 295 AC_SUBST(GLIB_LIBS)
 296 AC_SUBST(GMODULE_CFLAGS)
 297 AC_SUBST(GMODULE_LIBS)
 298
 299 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 300
 301 # Enable support for fast thread-local storage
 302 # Some systems have broken support, so we allow to disable it.
 303 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
 304
 305 # Kept for compatibility
 306 AC_ARG_WITH(nptl, [  --with-nptl=yes,no      deprecated, use --with-tls instead],[],[with_nptl=default])
 307
 308 if test "x$with_nptl" != "xdefault"; then
 309    if test "x$with_nptl" = "xyes"; then
 310       AC_MSG_WARN([--with-nptl=yes is deprecated, use --with-tls=__thread option instead.])
 311           with_tls=__thread
 312    fi
 313    if test "x$with_nptl" = "xno"; then
 314       AC_MSG_WARN([--with-nptl=no is deprecated, use --with-tls=pthread option instead.])
 315           with_tls=pthread
 316    fi
 317 fi
 318
 319 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 320 # This does not work on some platforms (bug #55253)
 321 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
 322
 323 # assembly bundle support, see metadata/make-bundle.pl for more info
 324 AC_ARG_WITH(bundle, [  --with-bundle=bundle_template],[
 325         BUNDLE_FILE=$with_bundle
 326         AC_SUBST(BUNDLE_FILE)
 327         AC_DEFINE(WITH_BUNDLE)
 328 ],[with_bundle=no])
 329 AM_CONDITIONAL(WITH_BUNDLE, test x$with_bundle != xno)
 330
 331 LIBGC_CFLAGS=
 332 LIBGC_LIBS=
 333 LIBGC_STATIC_LIBS=
 334 libgc_dir=
 335 case "x$gc" in
 336         xboehm|xbohem|xyes)
 337                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 338                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 339
 340                 if test "x$found_boehm" != "xyes"; then
 341                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 342                 fi
 343                 if test "x$gc_headers" != "xyes"; then
 344                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 345                 fi
 346
 347                 AC_DEFINE(HAVE_BOEHM_GC)
 348                 AC_SUBST(HAVE_BOEHM_GC)
 349                 LIBGC_LIBS="-lgc $libdl"
 350                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 351
 352                 # AC_CHECK_FUNCS does not work for some reason...
 353                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 354                 if test "x$found_gcj_malloc" = "xyes"; then
 355                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 356                 fi
 357                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 358                 if test "x$found_gc_enable" = "xyes"; then
 359                         AC_DEFINE(HAVE_GC_ENABLE)
 360                 fi
 361                 ;;
 362
 363         xincluded)
 364                 AC_CONFIG_SUBDIRS(libgc)
 365
 366                 found_boehm=yes
 367                 gc_headers=yes
 368                 use_included_gc=yes
 369                 libgc_dir=libgc
 370
 371                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 372                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 373                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 374
 375                 AC_DEFINE(HAVE_BOEHM_GC)
 376                 AC_SUBST(HAVE_BOEHM_GC)
 377
 378                 AC_DEFINE(HAVE_GC_H)
 379                 AC_DEFINE(USE_INCLUDED_LIBGC)
 380
 381                 # The included libgc contains GCJ support
 382                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 383                 AC_DEFINE(HAVE_GC_ENABLE)
 384                 ;;
 385
 386         xnone)
 387                 AC_MSG_WARN("Compiling mono without GC.")
 388                 ;;
 389         *)
 390                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 391                 ;;
 392 esac
 393
 394
 395 # tell libgc/configure about what we want
 396 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads"
 397
 398 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 399 AC_SUBST(LIBGC_CFLAGS)
 400 AC_SUBST(LIBGC_LIBS)
 401 AC_SUBST(LIBGC_STATIC_LIBS)
 402 AC_SUBST(libgc_dir)
 403
 404 dnl
 405 dnl End of libgc checks
 406 dnl
 407
 408 if test x$platform_win32 = xno; then
 409
 410         dnl ******************************************************************
 411         dnl *** Checks for the IKVM JNI interface library                  ***
 412         dnl ******************************************************************
 413         AC_ARG_WITH(ikvm-jni, [  --with-ikvm-jni=yes,no  build the IKVM JNI interface library],[with_ikvm_jni=$withval],[with_ikvm_jni=yes])
 414         AC_ARG_WITH(jdk, [  --with-jdk=DIRECTORY    Use JDK from DIRECTORY],[with_jdk_dir=$withval],[with_jdk_dir=])
 415
 416         ikvm_jni_dir=
 417         if test x$with_ikvm_jni = xyes; then
 418                 AC_MSG_CHECKING([JDK headers])
 419
 420                 if test x$with_jdk_dir = x; then
 421                         # Try JAVA_HOME variable
 422                         if test x$JAVA_HOME != x; then
 423                                 with_jdk_dir=$JAVA_HOME
 424                         fi
 425                 fi
 426
 427                 jdk_platform=
 428                 if test -d $with_jdk_dir/include; then
 429                         jdk_headers_found=yes
 430
 431                         if test -d $with_jdk_dir/include/linux; then
 432                                 jdk_platform=linux
 433                         else
 434                         if test -d $with_jdk_dir/include/solaris; then
 435                                 jdk_platform=solaris
 436                         else
 437                         if test -f $with_jdk_dir/include/jni_md.h; then
 438                                 # GNU Classpath sources
 439                                 jdk_platform=
 440                         else
 441                                 jdk_headers_found=no
 442                         fi
 443                         fi
 444                         fi
 445                 else
 446                         jdk_headers_found=no
 447                 fi
 448
 449                 if test x$jdk_headers_found = xyes; then
 450                         AC_MSG_RESULT($with_jdk_dir/include $with_jdk_dir/include/$jdk_platform)
 451                 else
 452                         AC_MSG_RESULT(not found)
 453                 fi
 454
 455                 if test x$jdk_headers_found = xyes; then
 456                         ikvm_jni_dir=ikvm-jni
 457                         IKVM_JNI_CFLAGS="-I$with_jdk_dir/include -I$with_jdk_dir/include/$jdk_platform"
 458                 fi
 459         fi
 460
 461         AC_SUBST(ikvm_jni_dir)
 462         AC_SUBST(IKVM_JNI_CFLAGS)
 463
 464         AC_CHECK_FUNCS(getgrgid_r)
 465         AC_CHECK_FUNCS(getgrnam_r)
 466         AC_CHECK_FUNCS(getpwnam_r)
 467         AC_CHECK_FUNCS(getpwuid_r)
 468         AC_CHECK_FUNCS(getresuid)
 469         AC_CHECK_FUNCS(setresuid)
 470         AC_CHECK_FUNCS(kqueue)
 471
 472         dnl ******************************************************************
 473         dnl *** Check for large file support                               ***
 474         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 475         dnl ******************************************************************
 476
 477         # Check that off_t can represent 2**63 - 1 correctly, working around
 478         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 479         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 480         large_offt=no
 481         AC_DEFUN(LARGE_FILES, [
 482                 large_CPPFLAGS=$CPPFLAGS
 483                 CPPFLAGS="$CPPFLAGS $1"
 484                 AC_TRY_RUN([
 485                         #include <sys/types.h>
 486
 487                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 488
 489                         int main(void) {
 490                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 491                                                (BIG_OFF_T%2147483647==1));
 492                                 if(big_off_t) {
 493                                         exit(0);
 494                                 } else {
 495                                         exit(1);
 496                                 }
 497                         }
 498                 ], [
 499                         AC_MSG_RESULT(ok)
 500                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 501                         large_CPPFLAGS="$large_CPPFLAGS $1"
 502                         large_offt=yes
 503                 ], [
 504                         AC_MSG_RESULT(no)
 505                 ], "")
 506                 CPPFLAGS=$large_CPPFLAGS
 507         ])
 508
 509         AC_MSG_CHECKING(if off_t is 64 bits wide)
 510         LARGE_FILES("")
 511         if test $large_offt = no; then
 512                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 513                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 514         fi
 515         if test $large_offt = no; then
 516                 AC_MSG_WARN([No 64 bit file size support available])
 517         fi
 518
 519         dnl *****************************
 520         dnl *** Checks for libsocket  ***
 521         dnl *****************************
 522         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 523
 524         dnl *******************************
 525         dnl *** Checks for MSG_NOSIGNAL ***
 526         dnl *******************************
 527         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 528         AC_TRY_COMPILE([#include <sys/socket.h>], [
 529                 int f = MSG_NOSIGNAL;
 530         ], [
 531                 # Yes, we have it...
 532                 AC_MSG_RESULT(yes)
 533                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 534         ], [
 535                 # We'll have to use signals
 536                 AC_MSG_RESULT(no)
 537         ])
 538
 539         dnl *****************************
 540         dnl *** Checks for SOL_IP     ***
 541         dnl *****************************
 542         AC_MSG_CHECKING(for SOL_IP)
 543         AC_TRY_COMPILE([#include <netdb.h>], [
 544                 int level = SOL_IP;
 545         ], [
 546                 # Yes, we have it...
 547                 AC_MSG_RESULT(yes)
 548                 AC_DEFINE(HAVE_SOL_IP)
 549         ], [
 550                 # We'll have to use getprotobyname
 551                 AC_MSG_RESULT(no)
 552         ])
 553
 554         dnl *****************************
 555         dnl *** Checks for SOL_IPV6     ***
 556         dnl *****************************
 557         AC_MSG_CHECKING(for SOL_IPV6)
 558         AC_TRY_COMPILE([#include <netdb.h>], [
 559                 int level = SOL_IPV6;
 560         ], [
 561                 # Yes, we have it...
 562                 AC_MSG_RESULT(yes)
 563                 AC_DEFINE(HAVE_SOL_IPV6)
 564         ], [
 565                 # We'll have to use getprotobyname
 566                 AC_MSG_RESULT(no)
 567         ])
 568
 569         dnl *****************************
 570         dnl *** Checks for SOL_TCP    ***
 571         dnl *****************************
 572         AC_MSG_CHECKING(for SOL_TCP)
 573         AC_TRY_COMPILE([#include <netdb.h>], [
 574                 int level = SOL_TCP;
 575         ], [
 576                 # Yes, we have it...
 577                 AC_MSG_RESULT(yes)
 578                 AC_DEFINE(HAVE_SOL_TCP)
 579         ], [
 580                 # We'll have to use getprotobyname
 581                 AC_MSG_RESULT(no)
 582         ])
 583
 584         dnl *****************************
 585         dnl *** Checks for IP_PKTINFO ***
 586         dnl *****************************
 587         AC_MSG_CHECKING(for IP_PKTINFO)
 588         AC_TRY_COMPILE([#include <netdb.h>], [
 589                 int level = IP_PKTINFO;
 590         ], [
 591                 # Yes, we have it...
 592                 AC_MSG_RESULT(yes)
 593                 AC_DEFINE(HAVE_IP_PKTINFO)
 594         ], [
 595                 AC_MSG_RESULT(no)
 596         ])
 597
 598         dnl *********************************
 599         dnl *** Check for struct ip_mreqn ***
 600         dnl *********************************
 601         AC_MSG_CHECKING(for struct ip_mreqn)
 602         AC_TRY_COMPILE([#include <netinet/in.h>], [
 603                 struct ip_mreqn mreq;
 604                 mreq.imr_address.s_addr = 0;
 605         ], [
 606                 # Yes, we have it...
 607                 AC_MSG_RESULT(yes)
 608                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 609         ], [
 610                 # We'll just have to try and use struct ip_mreq
 611                 AC_MSG_RESULT(no)
 612                 AC_MSG_CHECKING(for struct ip_mreq)
 613                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 614                         struct ip_mreq mreq;
 615                         mreq.imr_interface.s_addr = 0;
 616                 ], [
 617                         # Yes, we have it...
 618                         AC_MSG_RESULT(yes)
 619                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 620                 ], [
 621                         # No multicast support
 622                         AC_MSG_RESULT(no)
 623                 ])
 624         ])
 625
 626         dnl **********************************
 627         dnl *** Check for gethostbyname2_r ***
 628         dnl **********************************
 629         AC_MSG_CHECKING(for gethostbyname2_r)
 630                 AC_TRY_LINK([#include <netdb.h>], [
 631                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 632         ], [
 633                 # Yes, we have it...
 634                 AC_MSG_RESULT(yes)
 635                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 636         ], [
 637                 AC_MSG_RESULT(no)
 638         ])
 639
 640         dnl *****************************
 641         dnl *** Checks for libnsl     ***
 642         dnl *****************************
 643         AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
 644
 645         AC_CHECK_FUNCS(inet_pton inet_aton)
 646
 647         dnl ***********************************************
 648         dnl *** Checks for size of sockaddr_un.sun_path ***
 649         dnl ***********************************************
 650         # AC_CHECK_SIZEOF can't cope with struct members :-(
 651         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 652         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 653                 [AC_TRY_RUN([
 654                         #include <sys/types.h>
 655                         #include <stdio.h>
 656                         #include <sys/un.h>
 657
 658                         int main(void) {
 659                                 struct sockaddr_un sock_un;
 660                                 FILE *f=fopen("conftestval", "w");
 661                                 if(!f) exit(1);
 662                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
 663                                 exit(0);
 664                         }
 665                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
 666                    cv_mono_sizeof_sunpath=0,
 667                    cv_mono_sizeof_sunpath=0)])dnl
 668         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
 669         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
 670
 671         dnl *************************************
 672         dnl *** Checks for zero length arrays ***
 673         dnl *************************************
 674         AC_MSG_CHECKING(whether $CC supports zero length arrays)
 675         AC_TRY_COMPILE([
 676                 struct s {
 677                         int  length;
 678                         char data [0];
 679                 };
 680         ], [], [
 681                 AC_MSG_RESULT(yes)
 682                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
 683         ], [
 684                 AC_MSG_RESULT(no)
 685                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
 686         ])
 687
 688         dnl *****************************
 689         dnl *** Checks for libxnet    ***
 690         dnl *****************************
 691         case "${host}" in
 692                 *solaris* )
 693                         AC_MSG_CHECKING(for Solaris XPG4 support)
 694                         if test -f /usr/lib/libxnet.so; then
 695                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
 696                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
 697                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
 698                                 LIBS="$LIBS -lxnet"
 699                                 AC_MSG_RESULT(yes)
 700                         else
 701                                 AC_MSG_RESULT(no)
 702                         fi
 703
 704                         if test "$GCC" = "yes"; then
 705                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
 706                         fi
 707                 ;;
 708         esac
 709
 710         dnl *****************************
 711         dnl *** Checks for libpthread ***
 712         dnl *****************************
 713 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
 714 # and libpthread does not exist
 715 #
 716         case "${host}" in
 717                 *-*-*freebsd4*)
 718                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 719                 ;;
 720                 *)
 721                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
 722                 ;;
 723         esac
 724         AC_CHECK_HEADERS(pthread.h)
 725         AC_CHECK_FUNCS(pthread_mutex_timedlock)
 726         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
 727         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
 728         AC_TRY_COMPILE([ #include <pthread.h>], [
 729                 pthread_mutexattr_t attr;
 730                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 731         ], [
 732                 AC_MSG_RESULT(ok)
 733         ], [
 734                 AC_MSG_RESULT(no)
 735                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
 736                 AC_DEFINE(USE_MONO_MUTEX)
 737         ])
 738         AC_CHECK_FUNCS(pthread_attr_setstacksize)
 739
 740         dnl ***********************************
 741         dnl *** Checks for working __thread ***
 742         dnl ***********************************
 743         AC_MSG_CHECKING(for working __thread)
 744         if test "x$with_tls" != "x__thread"; then
 745                 AC_MSG_RESULT(disabled)
 746         else
 747                 AC_TRY_RUN([
 748                         #include <pthread.h>
 749
 750                         __thread int i;
 751                         static int res1, res2;
 752
 753                         void thread_main (void *arg)
 754                         {
 755                                 i = arg;
 756                                 sleep (1);
 757                                 if (arg == 1)
 758                                         res1 = (i == arg);
 759                                 else
 760                                         res2 = (i == arg);
 761                         }
 762
 763                         int main () {
 764                                 pthread_t t1, t2;
 765
 766                                 i = 5;
 767
 768                                 pthread_create (&t1, NULL, thread_main, 1);
 769                                 pthread_create (&t2, NULL, thread_main, 2);
 770
 771                                 pthread_join (t1, NULL);
 772                                 pthread_join (t2, NULL);
 773
 774                                 return !(res1 + res2 == 2);
 775                         }
 776                 ], [
 777                                 AC_MSG_RESULT(yes)
 778                 ], [
 779                                 AC_MSG_RESULT(no)
 780                                 with_tls=pthread
 781                 ])
 782         fi
 783
 784         dnl **************************************
 785         dnl *** Checks for working sigaltstack ***
 786         dnl **************************************
 787         AC_MSG_CHECKING(for working sigaltstack)
 788         if test "x$with_sigaltstack" != "xyes"; then
 789                 AC_MSG_RESULT(disabled)
 790         else
 791                 AC_TRY_RUN([
 792                         #include <stdio.h>
 793                         #include <stdlib.h>
 794                         #include <unistd.h>
 795                         #include <signal.h>
 796                         #include <pthread.h>
 797                         #include <sys/wait.h>
 798
 799                         static void
 800                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
 801                         {
 802                                 exit (0);
 803                         }
 804
 805                         static void *
 806                         loop (void *ignored)
 807                         {
 808                                 char *ptr = NULL;
 809
 810                                 *ptr = 0;
 811                                 return NULL;
 812                         }
 813
 814                         static void
 815                         child ()
 816                         {
 817                                 struct sigaction sa;
 818                                 struct sigaltstack sas;
 819                                 pthread_t id;
 820                                 pthread_attr_t attr;
 821
 822                                 sa.sa_sigaction = sigsegv_signal_handler;
 823                                 sigemptyset (&sa.sa_mask);
 824                                 sa.sa_flags = SA_SIGINFO | SA_STACK;
 825                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
 826                                         perror ("lala");
 827                                         return;
 828                                 }
 829
 830                                 sas.ss_sp = malloc (SIGSTKSZ);
 831                                 sas.ss_size = SIGSTKSZ;
 832                                 sas.ss_flags = SS_ONSTACK;
 833                                 if (sigaltstack (&sas, NULL) == -1) {
 834                                         perror ("lala");
 835                                         return;
 836                                 }
 837
 838                                 pthread_attr_init (&attr);
 839                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
 840                                         printf ("failed\n");
 841                                         return;
 842                                 }
 843
 844                                 sleep (100);
 845                         }
 846
 847                         int
 848                         main ()
 849                         {
 850                                 pid_t son;
 851                                 int status;
 852                                 int i;
 853
 854                                 son = fork ();
 855                                 if (son == -1) {
 856                                         return 1;
 857                                 }
 858
 859                                 if (son == 0) {
 860                                         child ();
 861                                         return 0;
 862                                 }
 863
 864                                 for (i = 0; i < 3; ++i) {
 865                                         sleep (1);
 866                                         waitpid (son, &status, WNOHANG);
 867                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
 868                                                 return 0;
 869                                 }
 870
 871                                 kill (son, SIGKILL);
 872                                 return 1;
 873                         }
 874
 875                 ], [
 876                                 AC_MSG_RESULT(yes)
 877                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
 878                 ], [
 879                                 with_sigaltstack=no
 880                                 AC_MSG_RESULT(no)
 881                 ])
 882         fi
 883
 884         dnl ********************************
 885         dnl *** Checks for semaphore lib ***
 886         dnl ********************************
 887         # 'Real Time' functions on Solaris
 888         # posix4 on Solaris 2.6
 889         # pthread (first!) on Linux
 890         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
 891
 892         dnl ********************************
 893         dnl *** Checks for timezone stuff **
 894         dnl ********************************
 895         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
 896                 AC_TRY_COMPILE([
 897                         #include <time.h>
 898                         ], [
 899                         struct tm tm;
 900                         tm.tm_gmtoff = 1;
 901                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
 902         if test $ac_cv_struct_tm_gmtoff = yes; then
 903                 AC_DEFINE(HAVE_TM_GMTOFF)
 904         else
 905                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
 906                         AC_TRY_COMPILE([
 907                                 #include <time.h>
 908                         ], [
 909                                 timezone = 1;
 910                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
 911                 if test $ac_cv_var_timezone = yes; then
 912                         AC_DEFINE(HAVE_TIMEZONE)
 913                 else
 914                         AC_ERROR(unable to find a way to determine timezone)
 915                 fi
 916         fi
 917
 918         dnl *********************************
 919         dnl *** Checks for math functions ***
 920         dnl *********************************
 921         LIBS="$LIBS -lm";
 922         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
 923                 AC_TRY_LINK([#include <math.h>],
 924                 [ finite(0.0); ],
 925                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
 926                 AC_MSG_RESULT(no)))
 927         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
 928                 AC_TRY_LINK([#include <math.h>],
 929                 [ isfinite(0.0); ],
 930                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
 931                 AC_MSG_RESULT(no)))
 932
 933         dnl ****************************************************************
 934         dnl *** Checks for working poll() (macosx defines it but doesn't ***
 935         dnl *** have it in the library (duh))                            ***
 936         dnl ****************************************************************
 937         AC_CHECK_FUNCS(poll)
 938
 939         dnl *************************
 940         dnl *** Check for signbit ***
 941         dnl *************************
 942         AC_MSG_CHECKING(for signbit)
 943         AC_TRY_LINK([#include <math.h>], [
 944                 int s = signbit(1.0);
 945         ], [
 946                 AC_MSG_RESULT(yes)
 947                 AC_DEFINE(HAVE_SIGNBIT)
 948         ], [
 949                 AC_MSG_RESULT(no)
 950         ])
 951
 952         dnl *********************
 953         dnl *** Check for AIO ***
 954         dnl *********************
 955         AC_MSG_CHECKING([for SIGEV_THREAD definition])
 956         dnl Some systems (FreeBSD at least) may have aio_read
 957         dnl but don't support/define SIGEV_THREAD.
 958         AC_TRY_COMPILE([
 959         #include <sys/signal.h>
 960         ],[
 961         int x = SIGEV_THREAD;
 962         ],[
 963                 ac_cv_c_sigev_thread=yes
 964                 AC_MSG_RESULT(yes)
 965         ],[
 966                 AC_MSG_RESULT(no)
 967         ])
 968
 969         if test "$ac_cv_c_sigev_thread" = "yes" ; then
 970                 AC_CHECK_HEADERS(aio.h sys/aio.h)
 971                 AC_CHECK_LIB(rt, aio_read, [ LIBS="$LIBS -lrt" ],)
 972                 SIGVAL_PTR="undefined"
 973                 if test "$ac_cv_header_aio_h" = "yes" -o "$ac_cv_header_sys_aio_h" = "yes" ; then
 974                         AC_CHECK_MEMBER(union sigval.sigval_ptr,SIGVAL_PTR="sigval_ptr",, [
 975                                         #include <sys/signal.h>
 976                                         ])
 977                         AC_CHECK_MEMBER(union sigval.sival_ptr,SIGVAL_PTR="sival_ptr",, [
 978                                         #include <sys/signal.h>
 979                                         ])
 980                         if test "$SIGVAL_PTR" = "undefined" ; then
 981                                 AC_MSG_ERROR([Unable to detect field name in 'union sigval'])
 982                         fi
 983                 fi
 984                 AC_DEFINE_UNQUOTED(SIGVAL_PTR,$SIGVAL_PTR,[Pointer field name in 'union sigval'])
 985         fi
 986 else
 987         jdk_headers_found=no
 988         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
 989         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
 990
 991         dnl *********************************
 992         dnl *** Check for struct ip_mreqn ***
 993         dnl *********************************
 994         AC_MSG_CHECKING(for struct ip_mreqn)
 995         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
 996                 struct ip_mreqn mreq;
 997                 mreq.imr_address.s_addr = 0;
 998         ], [
 999                 # Yes, we have it...
1000                 AC_MSG_RESULT(yes)
1001                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1002         ], [
1003                 # We'll just have to try and use struct ip_mreq
1004                 AC_MSG_RESULT(no)
1005                 AC_MSG_CHECKING(for struct ip_mreq)
1006                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1007                         struct ip_mreq mreq;
1008                         mreq.imr_interface.s_addr = 0;
1009                 ], [
1010                         # Yes, we have it...
1011                         AC_MSG_RESULT(yes)
1012                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1013                 ], [
1014                         # No multicast support
1015                         AC_MSG_RESULT(no)
1016                 ])
1017         ])
1018 fi
1019
1020 dnl socklen_t check
1021 AC_MSG_CHECKING(for socklen_t)
1022 AC_TRY_COMPILE([
1023 #include <sys/types.h>
1024 #include <sys/socket.h>
1025 ],[
1026   socklen_t foo;
1027 ],[
1028 ac_cv_c_socklen_t=yes
1029         AC_DEFINE(HAVE_SOCKLEN_T)
1030         AC_MSG_RESULT(yes)
1031 ],[
1032         AC_MSG_RESULT(no)
1033 ])
1034
1035 AC_MSG_CHECKING(for array element initalizer support)
1036 AC_TRY_COMPILE([#include <sys/socket.h>], [
1037         const int array[] = {[1] = 2,};
1038 ], [
1039         # Yes, we have it...
1040         AC_MSG_RESULT(yes)
1041         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1042 ], [
1043         # We'll have to use signals
1044         AC_MSG_RESULT(no)
1045 ])
1046
1047 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1048         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1049         AC_TRY_LINK([#include <math.h>],
1050         [ static void *p = &trunc; ],
1051         [
1052                 AC_DEFINE(HAVE_TRUNC)
1053                 AC_MSG_RESULT(yes)
1054                 ac_cv_trunc=yes
1055         ],
1056         AC_MSG_RESULT(no)))
1057
1058 if test "x$ac_cv_truncl" != "xyes"; then
1059    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1060 fi
1061
1062 dnl ****************************
1063 dnl *** Look for /dev/random ***
1064 dnl ****************************
1065
1066 AC_MSG_CHECKING([if usage of random device is requested])
1067 AC_ARG_ENABLE(dev-random,
1068 [  --disable-dev-random    disable the use of the random device],
1069 try_dev_random=$enableval, try_dev_random=yes)
1070 AC_MSG_RESULT($try_dev_random)
1071
1072 case "{$target}" in
1073     *-openbsd*)
1074     NAME_DEV_RANDOM="/dev/srandom"
1075     ;;
1076
1077 dnl Win32 does not have /dev/random, they have their own method...
1078
1079     *-*-mingw*|*-*-cygwin*)
1080     ac_cv_have_dev_random=no
1081     ;;
1082
1083 dnl Everywhere else, it's /dev/random
1084
1085     *)
1086     NAME_DEV_RANDOM="/dev/random"
1087     ;;
1088 esac
1089
1090 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1091
1092 dnl Now check if the device actually exists
1093
1094 if test "x$try_dev_random" = "xyes"; then
1095     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1096     [if test -r "$NAME_DEV_RANDOM" ; then
1097         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1098     if test "x$ac_cv_have_dev_random" = "xyes"; then
1099         AC_DEFINE(HAVE_CRYPT_RNG)
1100     fi
1101 else
1102     AC_MSG_CHECKING(for random device)
1103     ac_cv_have_dev_random=no
1104     AC_MSG_RESULT(has been disabled)
1105 fi
1106
1107 if test "x$platform_win32" = "xyes"; then
1108     AC_DEFINE(HAVE_CRYPT_RNG)
1109 fi
1110
1111 if test "x$ac_cv_have_dev_random" = "xno" \
1112     && test "x$platform_win32" = "xno"; then
1113     AC_MSG_WARN([[
1114 ***
1115 *** A system-provided entropy source was not found on this system.
1116 *** Because of this, the System.Security.Cryptography random number generator
1117 *** will throw a NotImplemented exception.
1118 ***
1119 *** If you are seeing this message, and you know your system DOES have an
1120 *** entropy collection in place, please contact <crichton@gimp.org> and
1121 *** provide information about the system and how to access the random device.
1122 ***
1123 *** Otherwise you can install either egd or prngd and set the environment
1124 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1125 ***]])
1126 fi
1127
1128 AC_MSG_CHECKING([if inter-process shared handles are requested])
1129 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1130 AC_MSG_RESULT($try_shared_handles)
1131 if test "x$try_shared_handles" != "xyes"; then
1132         AC_DEFINE(DISABLE_SHARED_HANDLES)
1133         AC_SUBST(DISABLE_SHARED_HANDLES)
1134 fi
1135
1136 #
1137 # ICU
1138 #
1139 ICU_CFLAGS=""
1140 ICU_LIBS=""
1141 enable_icu=no
1142
1143 probe_icu=true
1144 AC_ARG_WITH(icu, [  --with-icu=yes/no],
1145         if test x$with_icu = xno; then
1146            probe_icu=false;
1147            AC_MSG_RESULT(Will not probe for ICU)
1148         fi
1149 )
1150
1151 if $probe_icu; then
1152         AC_PATH_PROG(ICU_CONFIG, icu-config, no)
1153         if test "x$ICU_CONFIG" = "xno" -o ! -x "$ICU_CONFIG"; then
1154                 AC_MSG_WARN([Only invariant locale available; install ICU for I18N support])
1155                 enable_icu="no, if you want full i18n support download it from: http://oss.software.ibm.com/icu/index.html"
1156         else
1157                 enable_icu="yes. Version: `$ICU_CONFIG --version`"
1158                 AC_DEFINE(HAVE_ICU)
1159                 ICU_CFLAGS=`$ICU_CONFIG --cppflags`
1160                 ICU_LIBS=`$ICU_CONFIG --ldflags`
1161         fi
1162 fi
1163 AC_SUBST(ICU_CFLAGS)
1164 AC_SUBST(ICU_LIBS)
1165
1166 TARGET="unknown"
1167 ACCESS_UNALIGNED="yes"
1168
1169 JIT_SUPPORTED=no
1170 LIBC="libc.so.6"
1171 INTL="libc.so.6"
1172
1173 jit_wanted=false
1174 case "$host" in
1175 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1176 #               TARGET=MIPS;
1177 #               ACCESS_UNALIGNED="no"
1178 #               ;;
1179         i*86-*-*)
1180                 TARGET=X86;
1181                 arch_target=x86;
1182                 JIT_SUPPORTED=yes
1183                 jit_wanted=true
1184                 ;;
1185         x86_64-*-* | amd64-*-*)
1186                 TARGET=AMD64;
1187                 arch_target=amd64;
1188                 JIT_SUPPORTED=yes
1189                 jit_wanted=true
1190                 ;;
1191         sparc*-*-*)
1192                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1193                    TARGET=SPARC64
1194                 else
1195                         TARGET=SPARC
1196                 fi
1197                 arch_target=sparc;
1198                 JIT_SUPPORTED=yes
1199                 ACCESS_UNALIGNED="no"
1200                 LIBC="libc.so"
1201                 INTL="libintl.so"
1202                 jit_wanted=true
1203                 ;;
1204        alpha*-*-linux* | alpha*-*-osf*)
1205                 TARGET=ALPHA;
1206                 ACCESS_UNALIGNED="no"
1207                 JIT_SUPPORTED=no
1208                 arch_target=alpha;
1209                ;;
1210 #       ia64-*-linux* | ia64-*-hpux*)
1211 #               TARGET=IA64;
1212 #               arch_target=ia64;
1213 #               JIT_SUPPORTED=no;
1214 #               ACCESS_UNALIGNED="no";
1215 #               case "$host_os" in
1216 #                       linux*) LIBC="libc.so.6.1";;
1217 #                       hpux*)  LIBC="libc.so.1";;
1218 #               esac
1219 #               ;;
1220 #       m68k-*-linux*)
1221 #               TARGET=M68K
1222 #               ;;
1223         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1224                 TARGET=HPPA;
1225                 arch_target=hppa;
1226                 LIBC="libc.sl"
1227                 ACCESS_UNALIGNED="no"
1228                 ;;
1229         hppa*linux*)
1230                 TARGET=HPPA;
1231                 arch_target=hppa;
1232                 ACCESS_UNALIGNED="no"
1233                 ;;
1234         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1235         powerpc-*-sysv* | powerpc-*-darwin*)
1236                 TARGET=POWERPC;
1237                 arch_target=ppc;
1238                 JIT_SUPPORTED=yes
1239                 jit_wanted=true
1240                 ;;
1241         arm-*-linux-* | armv4l-*-linux-*)
1242                 TARGET=ARM;
1243                 arch_target=arm;
1244                 ACCESS_UNALIGNED="no"
1245                 ;;
1246         s390-*-linux*)
1247                 TARGET=S390;
1248                 arch_target=s390;
1249                 ACCESS_UNALIGNED="no"
1250                 JIT_SUPPORTED=yes
1251                 ;;
1252         s390x-*-linux*)
1253                 TARGET=S390x;
1254                 arch_target=s390x;
1255                 ACCESS_UNALIGNED="no"
1256                 JIT_SUPPORTED=yes
1257                 ;;
1258 esac
1259
1260 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1261         jit_wanted=true
1262 ])
1263
1264 USEJIT=false
1265 if test x$JIT_SUPPORTED = xyes; then
1266    if $jit_wanted; then
1267       USEJIT=true
1268       jit_status="Building and using the JIT"
1269    else
1270       jit_status="Building the JIT, defaulting to the interpreter"
1271    fi
1272 else
1273    jit_status="interpreter"
1274 fi
1275
1276 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1277
1278 libsuffix=".so"
1279
1280 case "$host" in
1281      powerpc-*-darwin*)
1282         libsuffix=".dylib"
1283         LIBC="libc.dylib"
1284         INTL="libintl.dylib"
1285         ;;
1286      *-*-*netbsd*)
1287         LIBC="libc.so.12"
1288         INTL="libintl.so.0"
1289         ;;
1290     *-*-*freebsd*)
1291         LIBC="libc.so"
1292         INTL="libintl.so"
1293         ;;
1294     *-*-*openbsd*)
1295         LIBC="libc.so"
1296         INTL="libintl.so"
1297         ;;
1298 esac
1299 AC_SUBST(libsuffix)
1300
1301 if test "x$TARGET" != "xAMD64"; then
1302    # valgrind headers don't compile under x86-64
1303    AC_CHECK_HEADERS(valgrind/memcheck.h)
1304 fi
1305
1306 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1307         if test "x$with_tls" = "x__thread"; then
1308                 #
1309                 # On some linux distributions, TLS works in executables, but linking
1310                 # against a shared library containing TLS fails with:
1311                 # undefined reference to `__tls_get_addr'
1312                 #
1313                 rm -f conftest.c conftest.so conftest
1314                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1315                 gcc -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1316                 gcc -o conftest conftest.so > /dev/null 2>&1
1317                 if test ! -f conftest; then
1318                    AC_MSG_WARN([Disabling usage of __thread.]);
1319                    with_tls=pthread
1320                 fi
1321                 rm -f conftest.c conftest.so conftest
1322         fi
1323 fi
1324
1325 if test "x$with_tls" = "x__thread"; then
1326         AC_DEFINE(HAVE_KW_THREAD)
1327    # Pass the information to libgc
1328         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1329         export CPPFLAGS
1330 fi
1331
1332 if test ${TARGET} = ARM; then
1333         dnl ******************************************
1334         dnl *** Check to see what FPU is available ***
1335         dnl ******************************************
1336         AC_MSG_CHECKING(which FPU to use)
1337
1338         AC_TRY_COMPILE([], [
1339                 __asm__ ("ldfd f0, [r0]");
1340                 ], fpu=FPA, [
1341                         AC_TRY_COMPILE([], [
1342                                 __asm__ ("fldd d0, [r0]");
1343                         ], fpu=VFP, fpu=NONE)
1344                 ])
1345
1346         AC_MSG_RESULT($fpu)
1347         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu"
1348         unset fpu
1349 fi
1350
1351 if test ${TARGET} = unknown; then
1352         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1353         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1354 fi
1355
1356 if test ${ACCESS_UNALIGNED} = no; then
1357         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1358 fi
1359
1360 PREVIEW=no
1361 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1362         if test x$with_preview = xyes; then
1363               PREVIEW=yes
1364         fi
1365 ])
1366
1367 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1368
1369 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1370 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1371 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1372 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1373 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1374 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1375 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1376 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1377 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1378 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1379 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1380 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1381 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1382 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1383
1384 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1385
1386 AC_SUBST(LIBC)
1387 AC_SUBST(INTL)
1388
1389 AC_SUBST(arch_target)
1390 AC_SUBST(CFLAGS)
1391 AC_SUBST(CPPFLAGS)
1392 AC_SUBST(LDFLAGS)
1393
1394 AC_OUTPUT([
1395 Makefile
1396 mint.pc
1397 mono.pc
1398 mono/Makefile
1399 mono/utils/Makefile
1400 mono/metadata/Makefile
1401 mono/dis/Makefile
1402 mono/cil/Makefile
1403 mono/arch/Makefile
1404 mono/os/Makefile
1405 mono/os/win32/Makefile
1406 mono/os/unix/Makefile
1407 mono/arch/x86/Makefile
1408 mono/arch/amd64/Makefile
1409 mono/arch/hppa/Makefile
1410 mono/arch/ppc/Makefile
1411 mono/arch/sparc/Makefile
1412 mono/arch/s390/Makefile
1413 mono/arch/s390x/Makefile
1414 mono/arch/arm/Makefile
1415 mono/arch/alpha/Makefile
1416 mono/interpreter/Makefile
1417 mono/tests/Makefile
1418 mono/tests/tests-config
1419 mono/benchmark/Makefile
1420 mono/monoburg/Makefile
1421 mono/monograph/Makefile
1422 mono/io-layer/Makefile
1423 mono/handles/Makefile
1424 mono/mini/Makefile
1425 mono/profiler/Makefile
1426 ikvm-jni/Makefile
1427 runtime/Makefile
1428 runtime/net_1_1/Makefile
1429 runtime/net_2_0/Makefile
1430 scripts/Makefile
1431 man/Makefile
1432 web/Makefile
1433 docs/Makefile
1434 data/Makefile
1435 data/net_1_1/Makefile
1436 data/net_2_0/Makefile
1437 samples/Makefile
1438 support/Makefile
1439 data/config
1440 mono.spec
1441 tools/Makefile
1442 tools/locale-builder/Makefile
1443 ])
1444
1445 echo "
1446
1447         GC:          $gc
1448         ICU:         $enable_icu
1449         TLS:         $with_tls
1450         SIGALTSTACK: $with_sigaltstack
1451         Engine:      $jit_status
1452         2.0 Alpha:   $PREVIEW
1453         JNI support: $jdk_headers_found
1454
1455 "