configure.in

   1 AC_INIT(README)
   2 AC_CANONICAL_SYSTEM
   3 AM_CONFIG_HEADER(config.h)
   4 AM_INIT_AUTOMAKE(mono,0.31.99)
   5 AM_MAINTAINER_MODE
   6
   7 dnl
   8 dnl libgc checks
   9 dnl
  10
  11 gc_headers=no
  12 gc=included
  13 use_included_gc=no
  14
  15 if test -d $srcdir/libgc ; then
  16   gc_default=included
  17 else
  18   gc_default=boehm
  19 fi
  20
  21 #
  22 # These are the flags that need to be stored in the mono.pc file for
  23 # compiling code that will embed Mono
  24 #
  25 libmono_cflags=""
  26 libmono_ldflags=""
  27 AC_SUBST(libmono_cflags)
  28 AC_SUBST(libmono_ldflags)
  29
  30 dnl if linker handles the version script
  31 no_version_script=no
  32
  33 # Thread configuration inspired by sleepycat's db
  34 AC_MSG_CHECKING([host platform characteristics])
  35 libgc_threads=no
  36 case "$host" in
  37         *-*-mingw*|*-*-cygwin*)
  38                 platform_win32=yes
  39                 AC_DEFINE(PLATFORM_WIN32)
  40                 CC="gcc -mno-cygwin"
  41                 HOST_CC="gcc"
  42 # latest libgc already defines GC_WIN32_THREADS
  43 #               CPPFLAGS="$CPPFLAGS -DGC_WIN32_THREADS -DWIN32_THREADS"
  44                 CPPFLAGS="$CPPFLAGS -DWIN32_THREADS"
  45                 libdl=
  46                 libgc_threads=win32
  47                 gc_default=boehm
  48                 ;;
  49         *-*-*netbsd*)
  50                 platform_win32=no
  51                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
  52                 libmono_cflags="-D_REENTRANT"
  53                 LDFLAGS="$LDFLAGS -pthread"
  54                 libmono_ldflags="-pthread"
  55                 AC_DEFINE(NEED_LINK_UNLINK)
  56                 libdl=
  57                 libgc_threads=pthreads
  58                 ;;
  59         *-*-*freebsd*|*-*-*openbsd*)
  60                 platform_win32=no
  61                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE"
  62                 libmono_cflags="-D_THREAD_SAFE"
  63                 LDFLAGS="$LDFLAGS -pthread"
  64                 libmono_ldflags="-pthread"
  65                 AC_DEFINE(NEED_LINK_UNLINK)
  66                 AC_DEFINE(PTHREAD_POINTER_ID)
  67                 libdl=
  68                 libgc_threads=pthreads
  69                 ;;
  70         *-*-linux*)
  71                 platform_win32=no
  72                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -DMONO_USE_EXC_TABLES -D_GNU_SOURCE -D_REENTRANT -fexceptions"
  73                 libmono_cflags="-DMONO_USE_EXC_TABLES -fexceptions -D_REENTRANT"
  74                 libmono_ldflags="-lpthread"
  75                 libdl="-ldl"
  76                 libgc_threads=pthreads
  77                 ;;
  78         *-*-hpux*)
  79                 platform_win32=no
  80                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
  81                 CFLAGS="$CFLAGS +ESdbgasm"
  82                 LDFLAGS="$LDFLAGS -z"
  83                 libmono_cflags="-D_REENTRANT"
  84                 libmono_ldflags="-lpthread"
  85                 libgc_threads=pthreads
  86                 AC_DEFINE(NEED_LINK_UNLINK)
  87                 ;;
  88         *-*-solaris*)
  89                 platform_win32=no
  90                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT"
  91                 AC_DEFINE(NEED_LINK_UNLINK)
  92                 libmono_cflags="-D_REENTRANT"
  93                 libgc_threads=pthreads
  94                 ;;
  95         *-*-darwin*)
  96                 platform_win32=no
  97                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE"
  98                 libmono_cflags="-D_THREAD_SAFE"
  99                 LDFLAGS="$LDFLAGS -pthread"
 100                 libmono_ldflags="-pthread"
 101                 AC_DEFINE(NEED_LINK_UNLINK)
 102                 AC_DEFINE(PTHREAD_POINTER_ID)
 103                 AC_DEFINE(USE_MACH_SEMA)
 104                 no_version_script=yes
 105                 libdl=
 106                 libgc_threads=no
 107                 gc_default=none
 108                 ;;
 109         *)
 110                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 111                 platform_win32=no
 112                 libdl="-ldl"
 113                 ;;
 114 esac
 115 AC_MSG_RESULT(ok)
 116 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
 117 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 118
 119 AC_CHECK_TOOL(CC, gcc, gcc)
 120 AC_PROG_CC
 121 AM_PROG_CC_STDC
 122 AC_PROG_INSTALL
 123 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 124 : ${CCAS='$(CC)'}
 125 # Set ASFLAGS if not already set.
 126 : ${CCASFLAGS='$(CFLAGS)'}
 127 AC_SUBST(CCAS)
 128 AC_SUBST(CCASFLAGS)
 129
 130 AC_CHECK_PROG(BISON, bison,yes,no)
 131 if test "x$BISON" = "xno";
 132 then
 133         AC_MSG_ERROR([You need to install bison])
 134 fi
 135
 136 dnl may require a specific autoconf version
 137 dnl AC_PROG_CC_FOR_BUILD
 138 dnl CC_FOR_BUILD not automatically detected
 139 CC_FOR_BUILD=$CC
 140 BUILD_EXEEXT=
 141 if test "x$cross_compiling" = "xyes"; then
 142         CC_FOR_BUILD=cc
 143         BUILD_EXEEXT=""
 144 fi
 145 AC_SUBST(CC_FOR_BUILD)
 146 AC_SUBST(HOST_CC)
 147 AC_SUBST(BUILD_EXEEXT)
 148
 149 # Set STDC_HEADERS
 150 AC_HEADER_STDC
 151 AC_LIBTOOL_WIN32_DLL
 152 AM_PROG_LIBTOOL
 153
 154 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h)
 155
 156 # for mono/mini/tramp-x86.c
 157 AC_CHECK_HEADERS(valgrind/memcheck.h)
 158
 159 # for mono/metadata/debug-symfile.c
 160 AC_CHECK_HEADERS(elf.h)
 161
 162 # for mono/dis
 163 AC_CHECK_HEADERS(wchar.h)
 164
 165 # not 64 bit clean in cross-compile
 166 AC_CHECK_SIZEOF(void *, 4)
 167
 168 WARN=''
 169 if test x"$GCC" = xyes; then
 170         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
 171                 # The runtime code does not respect ANSI C strict aliasing rules
 172                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 173 else
 174         # The Sun Forte compiler complains about inline functions that access static variables
 175         # so disable all inlining.
 176         case "$host" in
 177         *-*-solaris*)
 178                 CFLAGS="$CFLAGS -Dinline="
 179                 ;;
 180         esac
 181 fi
 182 CFLAGS="$CFLAGS -g $WARN"
 183
 184 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 185 if test "x$PKG_CONFIG" = "xno"; then
 186         AC_MSG_ERROR([You need to install pkg-config])
 187 fi
 188
 189 dnl for use on the build system
 190 dnl pkg-config is stupid
 191 BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 192 BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 193 AC_SUBST(BUILD_GLIB_CFLAGS)
 194 AC_SUBST(BUILD_GLIB_LIBS)
 195
 196 PKG_PATH=
 197 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 198         if test x$with_crosspkgdir = "x"; then
 199                 if test -s $PKG_CONFIG_PATH; then
 200                         PKG_PATH=$PKG_CONFIG_PATH
 201                 fi
 202         else
 203                 PKG_PATH=$with_crosspkgdir
 204                 PKG_CONFIG_PATH=$PKG_PATH
 205                 export PKG_CONFIG_PATH
 206         fi
 207 )
 208
 209 ## Versions of dependencies
 210 GLIB_REQUIRED_VERSION=1.3.11
 211
 212 PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 213
 214 GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 215 GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 216 GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 217 GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 218
 219 AC_SUBST(GLIB_CFLAGS)
 220 AC_SUBST(GLIB_LIBS)
 221 AC_SUBST(GMODULE_CFLAGS)
 222 AC_SUBST(GMODULE_LIBS)
 223
 224 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 225
 226 # Enable support for NPTL only features like fast thread-local storage
 227 # We can't reliably detect nptl at compile & run time
 228 # so this option will stay until nptl becomes more widespread
 229 AC_ARG_WITH(nptl, [  --with-nptl=yes,no      enable/disable support for NPTL],[],[with_nptl=yes])
 230
 231 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 232 # This does not work on some platforms (bug #55253)
 233 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=yes])
 234
 235 # assembly bundle support, see metadata/make-bundle.pl for more info
 236 AC_ARG_WITH(bundle, [  --with-bundle=bundle_template],[
 237         BUNDLE_FILE=$with_bundle
 238         AC_SUBST(BUNDLE_FILE)
 239         AC_DEFINE(WITH_BUNDLE)
 240 ],[with_bundle=no])
 241 AM_CONDITIONAL(WITH_BUNDLE, test x$with_bundle != xno)
 242
 243 LIBGC_CFLAGS=
 244 LIBGC_LIBS=
 245 libgc_dir=
 246 case "x$gc" in
 247         xboehm|xbohem|xyes)
 248                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 249                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 250
 251                 if test "x$found_boehm" != "xyes"; then
 252                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 253                 fi
 254                 if test "x$gc_headers" != "xyes"; then
 255                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 256                 fi
 257
 258                 AC_DEFINE(HAVE_BOEHM_GC)
 259                 AC_SUBST(HAVE_BOEHM_GC)
 260                 LIBGC_LIBS="-lgc $libdl"
 261
 262                 # AC_CHECK_FUNCS does not work for some reason...
 263                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 264                 if test "x$found_gcj_malloc" = "xyes"; then
 265                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 266                 fi
 267                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 268                 if test "x$found_gc_enable" = "xyes"; then
 269                         AC_DEFINE(HAVE_GC_ENABLE)
 270                 fi
 271                 ;;
 272
 273         xincluded)
 274                 AC_CONFIG_SUBDIRS(libgc)
 275
 276                 found_boehm=yes
 277                 gc_headers=yes
 278                 use_included_gc=yes
 279                 libgc_dir=libgc
 280
 281                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 282                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 283
 284                 AC_DEFINE(HAVE_BOEHM_GC)
 285                 AC_SUBST(HAVE_BOEHM_GC)
 286
 287                 AC_DEFINE(HAVE_GC_H)
 288                 AC_DEFINE(USE_INCLUDED_LIBGC)
 289
 290                 # The included libgc contains GCJ support
 291                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 292                 AC_DEFINE(HAVE_GC_ENABLE)
 293                 ;;
 294
 295         xnone)
 296                 AC_MSG_WARN("Compiling mono without GC.")
 297                 ;;
 298         *)
 299                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 300                 ;;
 301 esac
 302
 303 we_are_embedded_in_mono=yes
 304 export we_are_embedded_in_mono
 305 export libgc_threads
 306
 307 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 308 AC_SUBST(LIBGC_CFLAGS)
 309 AC_SUBST(LIBGC_LIBS)
 310 AC_SUBST(libgc_dir)
 311
 312 dnl
 313 dnl End of libgc checks
 314 dnl
 315
 316 if test x$platform_win32 = xno; then
 317         dnl ******************************************************************
 318         dnl *** Check for large file support                               ***
 319         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 320         dnl ******************************************************************
 321
 322         # Check that off_t can represent 2**63 - 1 correctly, working around
 323         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 324         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 325         large_offt=no
 326         AC_DEFUN(LARGE_FILES, [
 327                 large_CPPFLAGS=$CPPFLAGS
 328                 CPPFLAGS="$CPPFLAGS $1"
 329                 AC_TRY_RUN([
 330                         #include <sys/types.h>
 331
 332                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 333
 334                         int main(void) {
 335                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 336                                                (BIG_OFF_T%2147483647==1));
 337                                 if(big_off_t) {
 338                                         exit(0);
 339                                 } else {
 340                                         exit(1);
 341                                 }
 342                         }
 343                 ], [
 344                         AC_MSG_RESULT(ok)
 345                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 346                         large_CPPFLAGS="$large_CPPFLAGS $1"
 347                         large_offt=yes
 348                 ], [
 349                         AC_MSG_RESULT(no)
 350                 ], "")
 351                 CPPFLAGS=$large_CPPFLAGS
 352         ])
 353
 354         AC_MSG_CHECKING(if off_t is 64 bits wide)
 355         LARGE_FILES("")
 356         if test $large_offt = no; then
 357                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 358                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 359         fi
 360         if test $large_offt = no; then
 361                 AC_MSG_WARN([No 64 bit file size support available])
 362         fi
 363
 364         dnl *****************************
 365         dnl *** Checks for libsocket  ***
 366         dnl *****************************
 367         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 368
 369         dnl *******************************
 370         dnl *** Checks for MSG_NOSIGNAL ***
 371         dnl *******************************
 372         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 373         AC_TRY_COMPILE([#include <sys/socket.h>], [
 374                 int f = MSG_NOSIGNAL;
 375         ], [
 376                 # Yes, we have it...
 377                 AC_MSG_RESULT(yes)
 378                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 379         ], [
 380                 # We'll have to use signals
 381                 AC_MSG_RESULT(no)
 382         ])
 383
 384         dnl *****************************
 385         dnl *** Checks for SOL_IP     ***
 386         dnl *****************************
 387         AC_MSG_CHECKING(for SOL_IP)
 388         AC_TRY_COMPILE([#include <netdb.h>], [
 389                 int level = SOL_IP;
 390         ], [
 391                 # Yes, we have it...
 392                 AC_MSG_RESULT(yes)
 393                 AC_DEFINE(HAVE_SOL_IP)
 394         ], [
 395                 # We'll have to use getprotobyname
 396                 AC_MSG_RESULT(no)
 397         ])
 398
 399         dnl *****************************
 400         dnl *** Checks for SOL_IPV6     ***
 401         dnl *****************************
 402         AC_MSG_CHECKING(for SOL_IPV6)
 403         AC_TRY_COMPILE([#include <netdb.h>], [
 404                 int level = SOL_IPV6;
 405         ], [
 406                 # Yes, we have it...
 407                 AC_MSG_RESULT(yes)
 408                 AC_DEFINE(HAVE_SOL_IPV6)
 409         ], [
 410                 # We'll have to use getprotobyname
 411                 AC_MSG_RESULT(no)
 412         ])
 413
 414         dnl *****************************
 415         dnl *** Checks for SOL_TCP    ***
 416         dnl *****************************
 417         AC_MSG_CHECKING(for SOL_TCP)
 418         AC_TRY_COMPILE([#include <netdb.h>], [
 419                 int level = SOL_TCP;
 420         ], [
 421                 # Yes, we have it...
 422                 AC_MSG_RESULT(yes)
 423                 AC_DEFINE(HAVE_SOL_TCP)
 424         ], [
 425                 # We'll have to use getprotobyname
 426                 AC_MSG_RESULT(no)
 427         ])
 428
 429         dnl *****************************
 430         dnl *** Checks for IP_PKTINFO ***
 431         dnl *****************************
 432         AC_MSG_CHECKING(for IP_PKTINFO)
 433         AC_TRY_COMPILE([#include <netdb.h>], [
 434                 int level = IP_PKTINFO;
 435         ], [
 436                 # Yes, we have it...
 437                 AC_MSG_RESULT(yes)
 438                 AC_DEFINE(HAVE_IP_PKTINFO)
 439         ], [
 440                 AC_MSG_RESULT(no)
 441         ])
 442
 443         dnl *********************************
 444         dnl *** Check for struct ip_mreqn ***
 445         dnl *********************************
 446         AC_MSG_CHECKING(for struct ip_mreqn)
 447         AC_TRY_COMPILE([#include <netinet/in.h>], [
 448                 struct ip_mreqn mreq;
 449                 mreq.imr_address.s_addr = 0;
 450         ], [
 451                 # Yes, we have it...
 452                 AC_MSG_RESULT(yes)
 453                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 454         ], [
 455                 # We'll just have to try and use struct ip_mreq
 456                 AC_MSG_RESULT(no)
 457                 AC_MSG_CHECKING(for struct ip_mreq)
 458                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 459                         struct ip_mreq mreq;
 460                         mreq.imr_interface.s_addr = 0;
 461                 ], [
 462                         # Yes, we have it...
 463                         AC_MSG_RESULT(yes)
 464                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 465                 ], [
 466                         # No multicast support
 467                         AC_MSG_RESULT(no)
 468                 ])
 469         ])
 470
 471         dnl **********************************
 472         dnl *** Check for gethostbyname2_r ***
 473         dnl **********************************
 474         AC_MSG_CHECKING(for gethostbyname2_r)
 475                 AC_TRY_LINK([#include <netdb.h>], [
 476                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 477         ], [
 478                 # Yes, we have it...
 479                 AC_MSG_RESULT(yes)
 480                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 481         ], [
 482                 AC_MSG_RESULT(no)
 483         ])
 484
 485         dnl *****************************
 486         dnl *** Checks for libnsl     ***
 487         dnl *****************************
 488         AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
 489
 490         AC_CHECK_FUNCS(inet_pton inet_aton)
 491
 492         dnl ***********************************************
 493         dnl *** Checks for size of sockaddr_un.sun_path ***
 494         dnl ***********************************************
 495         # AC_CHECK_SIZEOF can't cope with struct members :-(
 496         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 497         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 498                 [AC_TRY_RUN([
 499                         #include <sys/types.h>
 500                         #include <stdio.h>
 501                         #include <sys/un.h>
 502
 503                         int main(void) {
 504                                 struct sockaddr_un sock_un;
 505                                 FILE *f=fopen("conftestval", "w");
 506                                 if(!f) exit(1);
 507                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
 508                                 exit(0);
 509                         }
 510                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
 511                    cv_mono_sizeof_sunpath=0,
 512                    cv_mono_sizeof_sunpath=0)])dnl
 513         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
 514         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
 515
 516         dnl *************************************
 517         dnl *** Checks for zero length arrays ***
 518         dnl *************************************
 519         AC_MSG_CHECKING(whether $CC supports zero length arrays)
 520         AC_TRY_COMPILE([
 521                 struct s {
 522                         int  length;
 523                         char data [0];
 524                 };
 525         ], [], [
 526                 AC_MSG_RESULT(yes)
 527                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
 528         ], [
 529                 AC_MSG_RESULT(no)
 530                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
 531         ])
 532
 533         dnl *****************************
 534         dnl *** Checks for libxnet    ***
 535         dnl *****************************
 536         case "${host}" in
 537                 *solaris* )
 538                         AC_MSG_CHECKING(for Solaris XPG4 support)
 539                         if test -f /usr/lib/libxnet.so; then
 540                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
 541                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
 542                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
 543                                 LIBS="$LIBS -lxnet"
 544                                 AC_MSG_RESULT(yes)
 545                         else
 546                                 AC_MSG_RESULT(no)
 547                         fi
 548
 549                         if test "$GCC" = "yes"; then
 550                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
 551                         fi
 552                 ;;
 553         esac
 554
 555         dnl *****************************
 556         dnl *** Checks for libpthread ***
 557         dnl *****************************
 558         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
 559         AC_CHECK_HEADERS(pthread.h)
 560         AC_CHECK_FUNCS(pthread_mutex_timedlock)
 561         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
 562         AC_TRY_COMPILE([ #include <pthread.h>], [
 563                 pthread_mutexattr_t attr;
 564                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 565         ], [
 566                 AC_MSG_RESULT(ok)
 567         ], [
 568                 AC_MSG_RESULT(no)
 569                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
 570                 AC_DEFINE(USE_MONO_MUTEX)
 571         ])
 572         AC_CHECK_FUNCS(pthread_attr_setstacksize)
 573
 574         dnl ***********************************
 575         dnl *** Checks for working __thread ***
 576         dnl ***********************************
 577         AC_MSG_CHECKING(for working __thread)
 578         AC_TRY_RUN([
 579                 #include <pthread.h>
 580
 581                 __thread int i;
 582                 static int res1, res2;
 583
 584                 void thread_main (void *arg)
 585                 {
 586                         i = arg;
 587                         sleep (1);
 588                         if (arg == 1)
 589                                 res1 = (i == arg);
 590                         else
 591                                 res2 = (i == arg);
 592                 }
 593
 594                 int main () {
 595                         pthread_t t1, t2;
 596
 597                         i = 5;
 598
 599                         pthread_create (&t1, NULL, thread_main, 1);
 600                         pthread_create (&t2, NULL, thread_main, 2);
 601
 602                         pthread_join (t1, NULL);
 603                         pthread_join (t2, NULL);
 604
 605                         return !(res1 + res2 == 2);
 606                 }
 607         ], [
 608                         if test "x$with_nptl" != "xyes"; then
 609                                 AC_MSG_RESULT(disabled)
 610                         else
 611                                 AC_MSG_RESULT(yes)
 612                                 AC_DEFINE(HAVE_KW_THREAD)
 613                         fi
 614         ], [
 615                         AC_MSG_RESULT(no)
 616         ])
 617
 618         dnl **************************************
 619         dnl *** Checks for working sigaltstack ***
 620         dnl **************************************
 621         AC_MSG_CHECKING(for working sigaltstack)
 622         AC_TRY_RUN([
 623                 #include <stdio.h>
 624                 #include <stdlib.h>
 625                 #include <unistd.h>
 626                 #include <signal.h>
 627                 #include <pthread.h>
 628                 #include <sys/wait.h>
 629
 630                 static void
 631                 sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
 632                 {
 633                         exit (0);
 634                 }
 635
 636                 static void *
 637                 loop (void *ignored)
 638                 {
 639                         char *ptr = NULL;
 640
 641                         *ptr = 0;
 642                         return NULL;
 643                 }
 644
 645                 static void
 646                 child ()
 647                 {
 648                         struct sigaction sa;
 649                         struct sigaltstack sas;
 650                         pthread_t id;
 651                         pthread_attr_t attr;
 652
 653                         sa.sa_sigaction = sigsegv_signal_handler;
 654                         sigemptyset (&sa.sa_mask);
 655                         sa.sa_flags = SA_SIGINFO | SA_STACK;
 656                         if (sigaction (SIGSEGV, &sa, NULL) == -1) {
 657                                 perror ("lala");
 658                                 return;
 659                         }
 660
 661                         sas.ss_sp = malloc (SIGSTKSZ);
 662                         sas.ss_size = SIGSTKSZ;
 663                         sas.ss_flags = SS_ONSTACK;
 664                         if (sigaltstack (&sas, NULL) == -1) {
 665                                 perror ("lala");
 666                                 return;
 667                         }
 668
 669                         pthread_attr_init (&attr);
 670                         if (pthread_create(&id, &attr, loop, &attr) != 0) {
 671                                 printf ("failed\n");
 672                                 return;
 673                         }
 674
 675                         sleep (100);
 676                 }
 677
 678                 int
 679                 main ()
 680                 {
 681                         pid_t son;
 682                         int status;
 683
 684                         son = fork ();
 685                         if (son == -1) {
 686                                 return 1;
 687                         }
 688
 689                         if (son == 0) {
 690                                 child ();
 691                                 return 0;
 692                         }
 693
 694                         sleep (3);
 695                         waitpid (son, &status, WNOHANG);
 696                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
 697                                 return 0;
 698
 699                         kill (son, SIGKILL);
 700                         return 1;
 701                 }
 702
 703         ], [
 704                         if test "x$with_sigaltstack" != "xyes"; then
 705                                 AC_MSG_RESULT(disabled)
 706                         else
 707                                 AC_MSG_RESULT(yes)
 708                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
 709                         fi
 710         ], [
 711                         with_sigaltstack=no
 712                         AC_MSG_RESULT(no)
 713         ])
 714
 715         dnl ********************************
 716         dnl *** Checks for semaphore lib ***
 717         dnl ********************************
 718         # 'Real Time' functions on Solaris
 719         # posix4 on Solaris 2.6
 720         # pthread (first!) on Linux
 721         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
 722
 723         dnl ********************************
 724         dnl *** Checks for timezone stuff **
 725         dnl ********************************
 726         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
 727                 AC_TRY_COMPILE([
 728                         #include <time.h>
 729                         ], [
 730                         struct tm tm;
 731                         tm.tm_gmtoff = 1;
 732                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
 733         if test $ac_cv_struct_tm_gmtoff = yes; then
 734                 AC_DEFINE(HAVE_TM_GMTOFF)
 735         else
 736                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
 737                         AC_TRY_COMPILE([
 738                                 #include <time.h>
 739                         ], [
 740                                 timezone = 1;
 741                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
 742                 if test $ac_cv_var_timezone = yes; then
 743                         AC_DEFINE(HAVE_TIMEZONE)
 744                 else
 745                         AC_ERROR(unable to find a way to determine timezone)
 746                 fi
 747         fi
 748
 749         dnl *********************************
 750         dnl *** Checks for math functions ***
 751         dnl *********************************
 752         LIBS="$LIBS -lm";
 753         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
 754                 AC_TRY_LINK([#include <math.h>],
 755                 [ finite(0.0); ],
 756                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
 757                 AC_MSG_RESULT(no)))
 758         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
 759                 AC_TRY_LINK([#include <math.h>],
 760                 [ isfinite(0.0); ],
 761                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
 762                 AC_MSG_RESULT(no)))
 763
 764         dnl ****************************************************************
 765         dnl *** Checks for working poll() (macosx defines it but doesn't ***
 766         dnl *** have it in the library (duh))                            ***
 767         dnl ****************************************************************
 768         AC_CHECK_FUNCS(poll)
 769
 770         dnl *************************
 771         dnl *** Check for signbit ***
 772         dnl *************************
 773         AC_MSG_CHECKING(for signbit)
 774         AC_TRY_LINK([#include <math.h>], [
 775                 int s = signbit(1.0);
 776         ], [
 777                 AC_MSG_RESULT(yes)
 778                 AC_DEFINE(HAVE_SIGNBIT)
 779         ], [
 780                 AC_MSG_RESULT(no)
 781         ])
 782
 783         dnl *********************
 784         dnl *** Check for AIO ***
 785         dnl *********************
 786         AC_CHECK_HEADERS(aio.h)
 787         AC_CHECK_LIB(rt, aio_read, [ LIBS="$LIBS -lrt" ],)
 788 else
 789         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
 790         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
 791 fi
 792
 793 dnl socklen_t check
 794 AC_MSG_CHECKING(for socklen_t)
 795 AC_TRY_COMPILE([
 796 #include <sys/types.h>
 797 #include <sys/socket.h>
 798 ],[
 799   socklen_t foo;
 800 ],[
 801 ac_cv_c_socklen_t=yes
 802         AC_DEFINE(HAVE_SOCKLEN_T)
 803         AC_MSG_RESULT(yes)
 804 ],[
 805         AC_MSG_RESULT(no)
 806 ])
 807
 808 AC_CHECK_FUNCS(truncl, , AC_MSG_CHECKING(for truncl in math.h)
 809         AC_TRY_LINK([#include <math.h>],
 810         [ truncl(0.0); ],
 811         [
 812                 AC_DEFINE(HAVE_TRUNCL)
 813                 AC_MSG_RESULT(yes)
 814                 ac_cv_truncl=yes
 815         ],
 816         AC_MSG_RESULT(no)))
 817
 818 if test "x$ac_cv_truncl" != "xyes"; then
 819    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
 820 fi
 821
 822 dnl ****************************
 823 dnl *** Look for /dev/random ***
 824 dnl ****************************
 825
 826 AC_MSG_CHECKING([if usage of random device is requested])
 827 AC_ARG_ENABLE(dev-random,
 828 [  --disable-dev-random    disable the use of the random device],
 829 try_dev_random=$enableval, try_dev_random=yes)
 830 AC_MSG_RESULT($try_dev_random)
 831
 832 case "{$target}" in
 833     *-openbsd*)
 834     NAME_DEV_RANDOM="/dev/srandom"
 835     ;;
 836
 837 dnl Win32 does not have /dev/random, they have their own method...
 838
 839     *-*-mingw*|*-*-cygwin*)
 840     ac_cv_have_dev_random = no
 841     ;;
 842
 843 dnl Everywhere else, it's /dev/random
 844
 845     *)
 846     NAME_DEV_RANDOM="/dev/random"
 847     ;;
 848 esac
 849
 850 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
 851
 852 dnl Now check if the device actually exists
 853
 854 if test "x$try_dev_random" = "xyes"; then
 855     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
 856     [if test -r "$NAME_DEV_RANDOM" ; then
 857         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
 858     if test "x$ac_cv_have_dev_random" = "xyes"; then
 859         AC_DEFINE(HAVE_CRYPT_RNG)
 860     fi
 861 else
 862     AC_MSG_CHECKING(for random device)
 863     ac_cv_have_dev_random=no
 864     AC_MSG_RESULT(has been disabled)
 865 fi
 866
 867 if test "x$platform_win32" = "xyes"; then
 868     AC_DEFINE(HAVE_CRYPT_RNG)
 869 fi
 870
 871 if test "x$ac_cv_have_dev_random" = "xno" \
 872     && test "x$platform_win32" = "xno"; then
 873     AC_MSG_WARN([[
 874 ***
 875 *** A system-provided entropy source was not found on this system.
 876 *** Because of this, the System.Security.Cryptography random number generator
 877 *** will throw a NotImplemented exception.
 878 ***
 879 *** If you are seeing this message, and you know your system DOES have an
 880 *** entropy collection in place, please contact <crichton@gimp.org> and
 881 *** provide information about the system and how to access the random device.
 882 ***
 883 *** For those systems who lack a random device, EGD support is forthcoming.
 884 ***]])
 885 fi
 886
 887 AC_MSG_CHECKING([if inter-process shared handles are requested])
 888 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
 889 AC_MSG_RESULT($try_shared_handles)
 890 if test "x$try_shared_handles" != "xyes"; then
 891         AC_DEFINE(DISABLE_SHARED_HANDLES)
 892         AC_SUBST(DISABLE_SHARED_HANDLES)
 893 fi
 894
 895 ICU_CFLAGS=""
 896 ICU_LIBS=""
 897 enable_icu=no
 898 AC_PATH_PROG(ICU_CONFIG, icu-config, no)
 899 if test "x$ICU_CONFIG" = "xno" -o ! -x "$ICU_CONFIG"; then
 900         AC_MSG_WARN([Only invariant locale available; install ICU for I18N support])
 901         enable_icu="no, if you want full i18n support download it from: http://oss.software.ibm.com/icu/index.html"
 902 else
 903         enable_icu="yes. Version: `$ICU_CONFIG --version`"
 904         AC_DEFINE(HAVE_ICU)
 905         ICU_CFLAGS=`$ICU_CONFIG --cppflags`
 906         ICU_LIBS=`$ICU_CONFIG --ldflags`
 907 fi
 908 AC_SUBST(ICU_CFLAGS)
 909 AC_SUBST(ICU_LIBS)
 910
 911 TARGET="unknown"
 912 ACCESS_UNALIGNED="yes"
 913
 914 JIT_SUPPORTED=no
 915 LIBC="libc.so.6"
 916
 917 jit_wanted=false
 918 case "$host" in
 919 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
 920 #               TARGET=MIPS;
 921 #               ACCESS_UNALIGNED="no"
 922 #               ;;
 923         i*86-*-*)
 924                 TARGET=X86;
 925                 arch_target=x86;
 926                 JIT_SUPPORTED=yes
 927                 jit_wanted=true
 928                 ;;
 929         x86_64-*-* | amd64-*-*)
 930                 TARGET=AMD64;
 931                 arch_target=x86-64;
 932                 JIT_SUPPORTED=no
 933                 ;;
 934         sparc*-*-*)
 935                 TARGET=SPARC;
 936                 arch_target=sparc;
 937                 JIT_SUPPORTED=yes
 938                 ACCESS_UNALIGNED="no"
 939                 jit_wanted=true
 940                 ;;
 941 #       alpha*-*-linux* | alpha*-*-osf*)
 942 #               TARGET=ALPHA;
 943 #               ACCESS_UNALIGNED="no"
 944 #              ;;
 945 #       ia64-*-linux* | ia64-*-hpux*)
 946 #               TARGET=IA64;
 947 #               arch_target=ia64;
 948 #               JIT_SUPPORTED=no;
 949 #               ACCESS_UNALIGNED="no";
 950 #               case "$host_os" in
 951 #                       linux*) LIBC="libc.so.6.1";;
 952 #                       hpux*)  LIBC="libc.so.1";;
 953 #               esac
 954 #               ;;
 955 #       m68k-*-linux*)
 956 #               TARGET=M68K
 957 #               ;;
 958         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
 959                 TARGET=HPPA;
 960                 arch_target=hppa;
 961                 ACCESS_UNALIGNED="no"
 962                 ;;
 963         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
 964         powerpc-*-sysv* | powerpc-*-darwin*)
 965                 TARGET=POWERPC;
 966                 arch_target=ppc;
 967                 JIT_SUPPORTED=yes
 968                 ;;
 969         arm-*-linux-* | armv4l-*-linux-*)
 970                 TARGET=ARM;
 971                 arch_target=arm;
 972                 ACCESS_UNALIGNED="no"
 973                 ;;
 974         s390-*-linux*)
 975                 TARGET=S390;
 976                 arch_target=s390;
 977                 ACCESS_UNALIGNED="no"
 978                 ;;
 979 esac
 980
 981 AC_ARG_WITH(jit, [  --with-jit=yes,no    If you want to build scripts that default to the JIT],[
 982         jit_wanted=true
 983 ])
 984
 985 USEJIT=false
 986 if test x$JIT_SUPPORTED = xyes; then
 987    if $jit_wanted; then
 988       USEJIT=true
 989       jit_status="Building and using the JIT"
 990    else
 991       jit_status="Building the JIT, defaulting to the interpreter"
 992    fi
 993 else
 994    jit_status="interpreter"
 995 fi
 996
 997 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
 998
 999 libsuffix=".so"
1000
1001 case "$host" in
1002      powerpc-*-darwin*)
1003         libsuffix=".dylib"
1004         ;;
1005 esac
1006 AC_SUBST(libsuffix)
1007
1008 if test ${TARGET} = ARM; then
1009         dnl ******************************************
1010         dnl *** Check to see what FPU is available ***
1011         dnl ******************************************
1012         AC_MSG_CHECKING(which FPU to use)
1013
1014         AC_TRY_COMPILE([], [
1015                 __asm__ ("ldfd f0, [r0]");
1016                 ], fpu=FPA, [
1017                         AC_TRY_COMPILE([], [
1018                                 __asm__ ("fldd d0, [r0]");
1019                         ], fpu=VFP, fpu=NONE)
1020                 ])
1021
1022         AC_MSG_RESULT($fpu)
1023         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu"
1024         unset fpu
1025 fi
1026
1027 if test ${TARGET} = unknown; then
1028         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1029         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1030 fi
1031
1032 if test ${ACCESS_UNALIGNED} = no; then
1033         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1034 fi
1035
1036 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1037 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1038 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1039 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1040 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1041 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1042 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1043 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1044 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1045 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1046 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1047 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1048
1049 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1050
1051 AC_SUBST(LIBC)
1052
1053 AC_SUBST(arch_target)
1054 AC_SUBST(CFLAGS)
1055 AC_SUBST(CPPFLAGS)
1056 AC_SUBST(LDFLAGS)
1057
1058 AC_OUTPUT([
1059 Makefile
1060 mint.pc
1061 mono.pc
1062 mono/Makefile
1063 mono/utils/Makefile
1064 mono/metadata/Makefile
1065 mono/dis/Makefile
1066 mono/cil/Makefile
1067 mono/arch/Makefile
1068 mono/os/Makefile
1069 mono/os/win32/Makefile
1070 mono/os/unix/Makefile
1071 mono/arch/x86/Makefile
1072 mono/arch/amd64/Makefile
1073 mono/arch/hppa/Makefile
1074 mono/arch/ppc/Makefile
1075 mono/arch/sparc/Makefile
1076 mono/arch/s390/Makefile
1077 mono/arch/arm/Makefile
1078 mono/arch/alpha/Makefile
1079 mono/interpreter/Makefile
1080 mono/tests/Makefile
1081 mono/tests/tests-config
1082 mono/benchmark/Makefile
1083 mono/monoburg/Makefile
1084 mono/monograph/Makefile
1085 mono/io-layer/Makefile
1086 mono/handles/Makefile
1087 mono/mini/Makefile
1088 mono/profiler/Makefile
1089 runtime/Makefile
1090 scripts/Makefile
1091 man/Makefile
1092 web/Makefile
1093 docs/Makefile
1094 data/Makefile
1095 samples/Makefile
1096 support/Makefile
1097 data/config
1098 mono.spec
1099 ])
1100
1101 echo "
1102
1103         GC:          $gc
1104         ICU:         $enable_icu
1105         NPTL:        $with_nptl
1106         SIGALTSTACK: $with_sigaltstack
1107         Engine:      $jit_status
1108
1109 "