1 dnl Process this with autoconf to create configure
2 AC_INIT(java/lang/System.java)
6 dnl We use these options to decide which functions to include.
7 AC_ARG_WITH(target-subdir,
8 [ --with-target-subdir=SUBDIR
9 configuring in a subdirectory])
10 AC_ARG_WITH(cross-host,
11 [ --with-cross-host=HOST configuring with a cross compiler])
15 AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
17 # Only use libltdl for native builds.
18 if test -z "${with_cross_host}"; then
19 AC_LIBLTDL_CONVENIENCE
23 # Sigh. Libtool's macro doesn't do the right thing.
24 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
25 # FIXME: this is a hack.
26 sub_auxdir="`cd $ac_aux_dir && pwd`"
27 ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
33 AC_CONFIG_SUBDIRS($DIRLTDL)
35 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
42 dnl The -no-testsuite modules omit the test subdir.
43 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
45 dnl Should the runtime set system properties by examining the
46 dnl environment variable GCJ_PROPERTIES?
47 AC_ARG_ENABLE(getenv-properties,
48 [ --disable-getenv-properties
49 don't set system properties from GCJ_PROPERTIES])
51 dnl Whether GCJ_PROPERTIES is used depends on the target.
52 if test -z "$enable_getenv_properties"; then
53 enable_getenv_properties=${enable_getenv_properties_default-yes}
55 if test "$enable_getenv_properties" = no; then
56 AC_DEFINE(DISABLE_GETENV_PROPERTIES)
59 dnl Whether we should use arguments to main()
60 if test -z "$enable_main_args"; then
61 enable_main_args=${enable_main_args_default-yes}
63 if test "$enable_main_args" = no; then
64 AC_DEFINE(DISABLE_MAIN_ARGS)
68 dnl Should we use hashtable-based synchronization?
69 dnl Currently works only for Linux X86/ia64
70 dnl Typically faster and more space-efficient
71 AC_ARG_ENABLE(hash-synchronization,
72 [ --enable-hash-synchronization
73 Use global hash table for monitor locks])
75 if test -z "$enable_hash_synchronization"; then
76 enable_hash_synchronization=$enable_hash_synchronization_default
79 dnl configure.host sets slow_pthread_self if the synchronization code should
80 dnl try to avoid pthread_self calls by caching thread IDs in a hashtable.
81 if test "${slow_pthread_self}" = "yes"; then
82 AC_DEFINE(SLOW_PTHREAD_SELF)
86 dnl See if the user has requested runtime debugging.
89 AC_ARG_ENABLE(libgcj-debug,
90 [ --enable-libgcj-debug enable runtime debugging code],
91 if test "$enable_libgcj_debug" = yes; then
96 dnl See if the user has the interpreter included.
97 AC_ARG_ENABLE(interpreter,
98 [ --enable-interpreter enable interpreter],
99 if test "$enable_interpreter" = yes; then
100 # This can also be set in configure.host.
101 libgcj_interpreter=yes
102 elif test "$enable_interpreter" = no; then
103 libgcj_interpreter=no
106 if test "$libgcj_interpreter" = yes; then
107 AC_DEFINE(INTERPRETER)
110 AC_MSG_CHECKING([for exception model to use])
113 AC_ARG_ENABLE(sjlj-exceptions,
114 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
116 [dnl Botheration. Now we've got to detect the exception model.
117 dnl Link tests against libgcc.a are problematic since -- at least
118 dnl as of this writing -- we've not been given proper -L bits for
119 dnl single-tree newlib and libgloss.
121 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
122 dnl conftest files before we got a change to grep them first.
123 cat > conftest.$ac_ext << EOF
124 [#]line __oline__ "configure"
133 old_CXXFLAGS="$CXXFLAGS"
135 if AC_TRY_EVAL(ac_compile); then
136 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
137 enable_sjlj_exceptions=yes
138 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
139 enable_sjlj_exceptions=no
142 CXXFLAGS="$old_CXXFLAGS"
144 if test x$enable_sjlj_exceptions = xyes; then
145 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
146 [Define if the compiler is configured for setjmp/longjmp exceptions.])
147 ac_exception_model_name=sjlj
148 elif test x$enable_sjlj_exceptions = xno; then
149 ac_exception_model_name="call frame"
151 AC_MSG_ERROR([unable to detect exception model])
154 AC_MSG_RESULT($ac_exception_model_name)
156 # If we are non using SJLJ exceptions, and this host does not have support
157 # for unwinding from a signal handler, enable checked dereferences and divides.
158 if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then
159 CHECKREFSPEC=-fcheck-references
160 DIVIDESPEC=-fuse-divide-subroutine
164 dnl See if the user wants to disable java.net. This is the mildly
165 dnl ugly way that we admit that target-side configuration sucks.
166 AC_ARG_ENABLE(java-net,
167 [ --disable-java-net disable java.net])
169 dnl Whether java.net is built by default can depend on the target.
170 if test -z "$enable_java_net"; then
171 enable_java_net=${enable_java_net_default-yes}
173 if test "$enable_java_net" = no; then
174 AC_DEFINE(DISABLE_JAVA_NET)
177 dnl See if the user wants to configure without libffi. Some
178 dnl architectures don't support it, and default values are set in
181 [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
185 if test "$with_libffi" != no; then
186 AC_DEFINE(USE_LIBFFI)
187 LIBFFI=../libffi/libffi_convenience.la
188 LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I$(MULTIBUILDTOP)../libffi/include'
193 dnl See if the user wants to disable JVMPI support.
195 [ --disable-jvmpi disable JVMPI support])
197 if test "$enable_jvmpi" != no; then
198 AC_DEFINE(ENABLE_JVMPI)
201 dnl If the target is an eCos system, use the appropriate eCos
203 dnl FIXME: this should not be a local option but a global target
204 dnl system; at present there is no eCos target.
205 TARGET_ECOS=${PROCESS-"no"}
207 [ --with-ecos enable runtime eCos target support],
208 TARGET_ECOS="$with_ecos"
212 case "$TARGET_ECOS" in
216 PLATFORMOBJS=win32.lo
221 PLATFORMOBJS=posix.lo
229 PLATFORMOBJS=posix.lo
233 AC_SUBST(PLATFORMOBJS)
234 AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
236 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
237 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
238 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
239 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
242 dnl These may not be defined in a non-ANS conformant embedded system.
243 dnl FIXME: Should these case a runtime exception in that case?
244 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
245 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
247 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
248 dnl to create the link will fail.
249 test -d java || mkdir java
250 test -d java/io || mkdir java/io
251 test -d gnu || mkdir gnu
252 AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.cc)
253 AC_LINK_FILES(java/io/natFileDescriptor${FILE-${PLATFORM}}.cc, java/io/natFileDescriptor.cc)
255 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
256 test -d java/lang || mkdir java/lang
257 AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
258 AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
262 SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
270 LIBGCJTESTSPEC="-L`pwd`/.libs -rpath `pwd`/.libs"
271 AC_SUBST(LIBGCJTESTSPEC)
273 AC_ARG_WITH(system-zlib,
274 [ --with-system-zlib use installed libz])
278 AC_SUBST(ZLIBTESTSPEC)
280 dnl FIXME: this should be _libs on some hosts.
283 dnl Allow the GC to be disabled. Can be useful when debugging.
284 AC_MSG_CHECKING([for garbage collector to use])
285 AC_ARG_ENABLE(java-gc,
286 changequote(<<,>>)dnl
287 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
301 GCLIBS=../boehm-gc/libgcjgc_convenience.la
302 GCINCS='-I$(top_srcdir)/../boehm-gc/include'
303 JC1GCSPEC='-fuse-boehm-gc'
304 GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
306 dnl We also want to pick up some cpp flags required when including
307 dnl boehm-config.h. Yuck.
308 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
311 dnl The POSIX thread support needs to know this.
312 AC_DEFINE(HAVE_BOEHM_GC)
320 AC_MSG_ERROR(unrecognized collector \"$GC\")
330 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
333 AC_MSG_CHECKING([for thread model used by GCC])
334 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
335 AC_MSG_RESULT([$THREADS])
345 AC_DEFINE(LINUX_THREADS)
351 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
352 AC_MSG_ERROR(thread package $THREADS not yet supported)
355 AC_MSG_ERROR($THREADS is an unknown thread package)
370 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
375 # Before FreeBSD 5, it didn't have -lpthread (or any library which
376 # merely adds pthread_* functions) but it does have a -pthread switch
377 # which is required at link-time to select -lc_r *instead* of -lc.
378 THREADLDFLAGS=-pthread
379 # Don't set THREADSPEC here as might be expected since -pthread is
380 # not processed when found within a spec file, it must come from
381 # the command line. For now, the user must provide the -pthread
382 # switch to link code compiled with gcj. In future, consider adding
383 # support for weak references to pthread_* functions ala gthr.h API.
384 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
387 # FreeBSD 5 implements a model much closer to other modern UNIX
388 # which support threads. However, it still does not support
390 THREADLDFLAGS=-pthread
398 THREADOBJS=posix-threads.lo
399 THREADH=posix-threads.h
400 # MIT pthreads doesn't seem to have the mutexattr functions.
401 # But for now we don't check for it. We just assume you aren't
402 # using MIT pthreads.
403 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
405 # If we're using the Boehm GC, then we happen to know that it
406 # defines _REENTRANT, so we don't bother. Eww.
407 if test "$GC" != boehm; then
408 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
410 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
414 THREADOBJS=win32-threads.lo
415 THREADH=win32-threads.h
419 THREADOBJS=no-threads.lo
423 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
429 AC_SUBST(THREADLDFLAGS)
431 if test -d sysdep; then true; else mkdir sysdep; fi
432 AC_LINK_FILES(sysdep/$sysdeps_dir/locks.h, sysdep/locks.h)
435 # Hash synchronization is only useful with posix threads right now.
436 if test "$enable_hash_synchronization" = yes && test "$THREADS" = "posix"; then
437 HASH_SYNC_SPEC=-fhash-synchronization
438 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
440 AC_SUBST(HASH_SYNC_SPEC)
443 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
449 # We're in the tree with gcc, and need to include some of its headers.
450 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
452 # Figure out where generated headers like libgcj-config.h get installed.
454 gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
455 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
456 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
457 tool_include_dir='$(libdir)/gcc-lib/$(target_alias)/'${gcc_version}/include
459 AC_SUBST(tool_include_dir)
460 AC_SUBST(gcc_version)
462 if test -n "${with_cross_host}"; then
463 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
464 # may not work correctly, because the compiler may not be able to
467 # We assume newlib. This lets us hard-code the functions we know
469 AC_DEFINE(HAVE_MEMMOVE)
470 AC_DEFINE(HAVE_MEMCPY)
471 AC_DEFINE(HAVE_STRERROR)
473 AC_DEFINE(HAVE_GMTIME_R)
474 AC_DEFINE(HAVE_LOCALTIME_R)
475 dnl This is only for POSIX threads.
476 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
477 dnl We also assume we are using gcc, which provides alloca.
478 AC_DEFINE(HAVE_ALLOCA)
480 dnl Assume we do not have getuid and friends.
483 # If Canadian cross, then don't pick up tools from the build
485 if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
488 GCJ="${target_alias}-gcj"
492 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
493 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
494 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
495 AC_CHECK_FUNCS(nl_langinfo setlocale)
496 AC_CHECK_FUNCS(inet_aton inet_addr, break)
497 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
498 AC_CHECK_FUNCS(fork execvp pipe sigaction)
499 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
500 AC_CHECK_FUNC(backtrace, [
503 # Has broken backtrace()
506 AC_DEFINE(HAVE_BACKTRACE)
511 AC_CHECK_LIB(dl, dladdr, [
512 AC_DEFINE(HAVE_DLADDR)])
513 AC_CHECK_FILES(/proc/self/exe, [
514 AC_DEFINE(HAVE_PROC_SELF_EXE)])
520 AC_CHECK_FUNCS(gethostbyname_r, [
521 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
522 # There are two different kinds of gethostbyname_r.
523 # We look for the one that returns `int'.
524 # Hopefully this check is robust enough.
525 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
526 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
529 *" -D_REENTRANT "*) ;;
531 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
532 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
533 [libjava_cv_gethostbyname_r_needs_reentrant],
536 AC_TRY_COMPILE([#include <netdb.h>],
537 [gethostbyname_r("", 0, 0);],
538 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
539 CPPFLAGS_SAVE="$CPPFLAGS"
540 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
541 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
542 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
543 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
544 CPPFLAGS="$CPPFLAGS_SAVE"
548 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
549 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
554 AC_CACHE_CHECK([for struct hostent_data],
555 [libjava_cv_struct_hostent_data], [dnl
557 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
558 # define _REENTRANT 1
560 #include <netdb.h>], [struct hostent_data data;],
561 [libjava_cv_struct_hostent_data=yes],
562 [libjava_cv_struct_hostent_data=no])])
563 if test "x$libjava_cv_struct_hostent_data" = xyes; then
564 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
565 [Define if struct hostent_data is defined in netdb.h])
569 # FIXME: libjava source code expects to find a prototype for
570 # gethostbyaddr_r in netdb.h. The outer check ensures that
571 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
572 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
573 # linkage check is enough, yet C++ code requires proper prototypes.)
574 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
575 AC_CHECK_FUNCS(gethostbyaddr_r, [
576 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
577 # There are two different kinds of gethostbyaddr_r.
578 # We look for the one that returns `int'.
579 # Hopefully this check is robust enough.
580 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
581 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])])
583 AC_CHECK_FUNCS(gethostname, [
584 AC_DEFINE(HAVE_GETHOSTNAME)
585 AC_EGREP_HEADER(gethostname, unistd.h, [
586 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
588 # Look for these functions in the thread library, but only bother
589 # if using POSIX threads.
590 if test "$THREADS" = posix; then
592 LIBS="$LIBS $THREADLIBS"
593 # Some POSIX thread systems don't have pthread_mutexattr_settype.
595 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
597 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
598 # Solaris 7 the name librt is preferred.
599 AC_CHECK_FUNCS(sched_yield, , [
600 AC_CHECK_LIB(rt, sched_yield, [
601 AC_DEFINE(HAVE_SCHED_YIELD)
602 THREADLIBS="$THREADLIBS -lrt"
603 THREADSPEC="$THREADSPEC -lrt"], [
604 AC_CHECK_LIB(posix4, sched_yield, [
605 AC_DEFINE(HAVE_SCHED_YIELD)
606 THREADLIBS="$THREADLIBS -lposix4"
607 THREADSPEC="$THREADSPEC -lposix4"])])])
610 # We can save a little space at runtime if the mutex has m_count
611 # or __m_count. This is a nice hack for Linux.
612 AC_TRY_COMPILE([#include <pthread.h>], [
613 extern pthread_mutex_t *mutex; int q = mutex->m_count;
614 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
615 AC_TRY_COMPILE([#include <pthread.h>], [
616 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
617 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
620 # We require a way to get the time.
622 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
623 if test "$time_found" = no; then
624 AC_MSG_ERROR([no function found to get the time])
627 AC_CHECK_FUNCS(memmove)
631 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
632 if test "$memcpy_found" = no; then
633 AC_MSG_ERROR([memcpy is required])
636 AC_CHECK_LIB(dl, dlopen, [
637 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
639 # Some library-finding code we stole from Tcl.
640 #--------------------------------------------------------------------
641 # Check for the existence of the -lsocket and -lnsl libraries.
642 # The order here is important, so that they end up in the right
643 # order in the command line generated by make. Here are some
644 # special considerations:
645 # 1. Use "connect" and "accept" to check for -lsocket, and
646 # "gethostbyname" to check for -lnsl.
647 # 2. Use each function name only once: can't redo a check because
648 # autoconf caches the results of the last check and won't redo it.
649 # 3. Use -lnsl and -lsocket only if they supply procedures that
650 # aren't already present in the normal libraries. This is because
651 # IRIX 5.2 has libraries, but they aren't needed and they're
652 # bogus: they goof up name resolution if used.
653 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
654 # To get around this problem, check for both libraries together
655 # if -lsocket doesn't work by itself.
656 #--------------------------------------------------------------------
658 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
661 unset ac_cv_func_connect
662 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
663 if test "$gcj_checkSocket" = 1; then
664 unset ac_cv_func_connect
665 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
668 if test "$gcj_checkBoth" = 1; then
670 LIBS="$LIBS -lsocket -lnsl"
671 unset ac_cv_func_accept
672 AC_CHECK_FUNC(accept,
674 gcj_cv_lib_sockets="-lsocket -lnsl"])
675 unset ac_cv_func_accept
678 unset ac_cv_func_gethostbyname
680 LIBS="$LIBS $gcj_cv_lib_sockets"
681 AC_CHECK_FUNC(gethostbyname, ,
682 [AC_CHECK_LIB(nsl, main,
683 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
684 unset ac_cv_func_gethostbyname
687 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
689 if test "$with_system_zlib" = yes; then
690 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
693 # On Solaris, and maybe other architectures, the Boehm collector
695 if test "$GC" = boehm; then
696 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
699 if test -z "${with_multisubdir}"; then
703 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
706 if test -x "${builddotdot}/../../gcc/gcj"; then
707 dir="`cd ${builddotdot}/../../gcc && pwd`"
708 GCJ="$dir/gcj -B`pwd`/ -B$dir/"
716 # Create it, so that compile/link tests don't fail
717 test -f libgcj.spec || touch libgcj.spec
719 # We must search the source tree for java.lang, since we still don't
720 # have libgcj.jar nor java/lang/*.class
721 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
722 CPPFLAGS="$CPPFLAGS -I`pwd` -I`cd $srcdir && pwd`"
724 # Since some classes depend on this one, we need its source available
725 # before we can do any GCJ compilation test :-(
726 if test ! -f gnu/classpath/Configuration.java; then
727 test -d gnu || mkdir gnu
728 test -d gnu/classpath || mkdir gnu/classpath
729 sed 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
730 < $srcdir/gnu/classpath/Configuration.java.in \
731 > gnu/classpath/Configuration.java
732 # We do not want to redirect the output of the grep below to /dev/null,
733 # but we add /dev/null to the input list so that grep will print the
734 # filename of Configuration.java in case it finds any matches.
735 if grep @ gnu/classpath/Configuration.java /dev/null; then
736 AC_MSG_ERROR([configure.in is missing the substitutions above])
742 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
744 AC_COMPILE_CHECK_SIZEOF(void *)
750 if test -z "$ZLIBSPEC"; then
751 # Use zlib from the GCC tree.
752 ZINCS='-I$(top_srcdir)/../zlib'
753 ZLIBS=../zlib/libzgcj_convenience.la
756 SYS_ZLIBS="$ZLIBSPEC"
762 AC_SUBST(CHECKREFSPEC)
763 AC_SUBST(EXCEPTIONSPEC)
765 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
766 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
767 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
768 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
769 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
770 AC_SUBST(GCC_UNWIND_INCLUDE)
772 AC_SUBST(AM_RUNTESTFLAGS)
774 # Determine gcj version number.
776 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`
778 GCJVERSION=$gcjversion
780 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
782 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
783 AC_MSG_CHECKING([for g++ -ffloat-store bug])
784 save_CFLAGS="$CFLAGS"
785 CFLAGS="-x c++ -O2 -ffloat-store"
786 AC_TRY_COMPILE([#include <math.h>], ,
788 [AC_DEFINE(__NO_MATH_INLINES)
790 CFLAGS="$save_CFLAGS"
792 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
793 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
794 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
795 AC_CHECK_HEADERS(unistd.h bstring.h sys/time.h sys/types.h fcntl.h sys/ioctl.h sys/filio.h sys/stat.h sys/select.h sys/socket.h netinet/in.h arpa/inet.h netdb.h pwd.h sys/config.h stdint.h langinfo.h locale.h)
796 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
797 dnl for now. If you change this, you also must update natFile.cc.
798 AC_CHECK_HEADERS(dirent.h)
799 AC_CHECK_HEADERS(inttypes.h, [
800 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
801 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
805 AC_CHECK_TYPE([ssize_t], [int])
807 AC_MSG_CHECKING([for in_addr_t])
808 AC_TRY_COMPILE([#include <sys/types.h>
813 #if HAVE_NETINET_IN_H
814 #include <netinet/in.h>
815 #endif], [in_addr_t foo;],
816 [AC_DEFINE([HAVE_IN_ADDR_T])
820 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
821 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
822 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
826 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
827 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
828 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ)
832 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
833 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
834 [AC_DEFINE(HAVE_INET6)
838 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
839 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
840 #include <sys/types.h>
841 #include <sys/socket.h>], [socklen_t x = 5;],
842 [AC_DEFINE(HAVE_SOCKLEN_T)
846 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
847 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
848 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
851 AC_MSG_CHECKING([for global timezone variable])
852 dnl FIXME: we don't want a link check here because that won't work
853 dnl when cross-compiling. So instead we make an assumption that
854 dnl the header file will mention timezone if it exists.
855 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
856 [AC_DEFINE(HAVE_TIMEZONE)
858 [AC_MSG_RESULT(no)])])
862 AC_CHECK_PROGS(PERL, perl, false)
868 SIGNAL_HANDLER=include/i386-signal.h
871 SIGNAL_HANDLER=include/sparc-signal.h
874 # SYSDEP_SOURCES=sysdep/ia64.c
875 # test -d sysdep || mkdir sysdep
878 SIGNAL_HANDLER=include/dwarf2-signal.h
881 SIGNAL_HANDLER=include/dwarf2-signal.h
884 SIGNAL_HANDLER=include/dwarf2-signal.h
887 SIGNAL_HANDLER=include/win32-signal.h
890 SIGNAL_HANDLER=include/default-signal.h
894 # If we're using sjlj exceptions, forget what we just learned.
895 if test "$enable_sjlj_exceptions" = yes; then
896 SIGNAL_HANDLER=include/default-signal.h
899 AC_SUBST(SYSDEP_SOURCES)
901 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
903 if test "${multilib}" = "yes"; then
904 multilib_arg="--enable-multilib"
911 dnl Determine which AWT peer libraries to build
912 AC_ARG_ENABLE(java-awt,
913 [ --enable-java-awt list of AWT peer implementations to be built])
915 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
919 for peer in $peerlibs ; do
922 if [test "$no_x" = yes]; then
923 echo "*** xlib peers requested but no X library available" 1>&2
938 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
943 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
944 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
950 # We get this from the environment.
953 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
954 [# Only add multilib support code if we just rebuilt top-level Makefile.
955 case " $CONFIG_FILES " in
957 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
961 # Make subdirectories and `.d' files. Look in both srcdir and
962 # builddir for the .java files.
965 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' \) -print) ;
966 find . \( -name '*.java' -o -name '*.cc' \) -print) | \
967 fgrep -v testsuite | \
968 sed -e 's/\.java/.d/'\;'s/\.cc/.d/' | \
970 echo "include $f" >> deps.mk
973 d=`echo $f | sed -e 's,/[^/]*$,,'`
975 if test ! -d $d; then
976 $libgcj_basedir/../mkinstalldirs $d
985 with_multisubdir=${with_multisubdir}
986 ac_configure_args="${multilib_arg} ${ac_configure_args}"
987 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
988 libgcj_basedir=${libgcj_basedir}