dnl # Process this with autoconf to create configure AC_PREREQ(2.59) # Still use "libjava" here to placate dejagnu. AC_INIT([libjava], [version-unused],, [libjava]) AC_CONFIG_SRCDIR(java/lang/System.java) # We use these options to decide which functions to include. AC_ARG_WITH(target-subdir, AS_HELP_STRING([--with-target-subdir=SUBDIR], [configure in a subdirectory])) # We may get other options which we don't document: # --with-target-subdir, --with-multisrctop, --with-multisubdir # When building with srcdir == objdir, links to the source files will # be created in directories within the target_subdir. We have to # adjust toplevel_srcdir accordingly, so that configure finds # install-sh and other auxiliary files that live in the top-level # source directory. if test "${srcdir}" = "."; then if test -z "${with_target_subdir}"; then toprel=".." else if test "${with_target_subdir}" != "."; then toprel="${with_multisrctop}../.." else toprel="${with_multisrctop}.." fi fi else toprel=".." fi libgcj_basedir=$srcdir/$toprel/./libjava AC_SUBST(libgcj_basedir) AC_CANONICAL_SYSTEM _GCC_TOPLEV_NONCANONICAL_BUILD _GCC_TOPLEV_NONCANONICAL_TARGET AC_SUBST(target_noncanonical) # This works around the fact that libtool configuration may change LD # for this particular configuration, but some shells, instead of # keeping the changes in LD private, export them just because LD is # exported. ORIGINAL_LD_FOR_MULTILIBS=$LD AC_PROG_LN_S # This works around an automake problem. mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs" AC_SUBST(mkinstalldirs) AC_ARG_WITH(cross-host, AS_HELP_STRING([--with-cross-host=HOST], [configure with a cross compiler from HOST])) AC_ARG_WITH(newlib, AS_HELP_STRING([--with-newlib], [configure with newlib])) AC_ARG_ENABLE(version-specific-runtime-libs, AS_HELP_STRING([--enable-version-specific-runtime-libs], [specify that runtime libraries should be installed in a compiler-specific directory]), [case "$enableval" in yes) version_specific_libs=yes ;; no) version_specific_libs=no ;; *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);; esac], [version_specific_libs=no] ) # Default to --enable-multilib AC_ARG_ENABLE(multilib, AS_HELP_STRING([--enable-multilib], [build many library versions (default)]), [case "${enableval}" in yes) multilib=yes ;; no) multilib=no ;; *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;; esac], [multilib=yes])dnl # It may not be safe to run linking tests in AC_PROG_CC/AC_PROG_CXX. GCC_NO_EXECUTABLES # (1) We use an abnormal CXX (without library references), so we # must cache it under a different name. # (2) CC, CFLAGS, CXX, CXXFLAGS, LDFLAGS must not be 'precious', or # the non-multilib-adjusted value will be used in multilibs. # (3) As a side effect, we must SUBST CXXFLAGS, CFLAGS, and LDFLAGS ourselves. # (4) As another side effect, automake doesn't automatically include them # in Makefile.in. # (5) For libstdc++-v3, -fno-builtin must be present here so that a # non-conflicting form of std::exit can be guessed by AC_PROG_CXX, and # used in later tests. This may not be necessary in libjava; I don't know. m4_define([ac_cv_prog_CXX],[glibcxx_cv_prog_CXX]) m4_rename([_AC_ARG_VAR_PRECIOUS],[glibcxx_PRECIOUS]) m4_define([_AC_ARG_VAR_PRECIOUS],[]) save_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS -fno-builtin" AC_PROG_CC AC_PROG_CXX CXXFLAGS="$save_CXXFLAGS" m4_rename([glibcxx_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) AC_SUBST(CFLAGS) AC_SUBST(CXXFLAGS) AC_SUBST(LDFLAGS) AM_INIT_AUTOMAKE([1.9.0]) AC_CHECK_TOOL(AS, as) AC_CHECK_TOOL(AR, ar) AC_CHECK_TOOL(RANLIB, ranlib, :) AC_PROG_INSTALL AM_MAINTAINER_MODE AC_EXEEXT # configure.host sets the following important variables # libgcj_cflags - host specific C compiler flags # libgcj_cxxflags - host specific C++ compiler flags # libgcj_javaflags - host specific Java compiler flags libgcj_cflags= libgcj_cxxflags= libgcj_javaflags= . ${srcdir}/configure.host LIBGCJ_CFLAGS="${libgcj_cflags}" LIBGCJ_CXXFLAGS="${libgcj_cxxflags}" LIBGCJ_JAVAFLAGS="${libgcj_javaflags}" AC_SUBST(LIBGCJ_CFLAGS) AC_SUBST(LIBGCJ_CXXFLAGS) AC_SUBST(LIBGCJ_JAVAFLAGS) AC_CONFIG_HEADERS([include/config.h gcj/libgcj-config.h]) # Only use libltdl for non-newlib builds. if test "x${with_newlib}" = "x" || test "x${with_newlib}" = "xno"; then AC_LIBLTDL_CONVENIENCE AC_LIBTOOL_DLOPEN DIRLTDL=libltdl AC_DEFINE(USE_LTDL, 1, [Define if libltdl is in use.]) # Sigh. Libtool's macro doesn't do the right thing. INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL" # FIXME: this is a hack. sub_auxdir="`cd $ac_aux_dir && ${PWDCMD-pwd}`" ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir" fi AC_SUBST(INCLTDL) AC_SUBST(LIBLTDL) AC_SUBST(DIRLTDL) AC_PROG_LIBTOOL AM_PROG_GCJ AM_PROG_CC_C_O AC_CONFIG_SUBDIRS(libltdl) if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then COMPPATH=. else COMPPATH=.. fi AC_SUBST(COMPPATH) # The -no-testsuite modules omit the test subdir. AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite) # Should the runtime set system properties by examining the # environment variable GCJ_PROPERTIES? AC_ARG_ENABLE(getenv-properties, AS_HELP_STRING([--disable-getenv-properties], [don't set system properties from GCJ_PROPERTIES])) # Whether GCJ_PROPERTIES is used depends on the target. if test -z "$enable_getenv_properties"; then enable_getenv_properties=${enable_getenv_properties_default-yes} fi if test "$enable_getenv_properties" = no; then AC_DEFINE(DISABLE_GETENV_PROPERTIES, 1, [Define if system properties shouldn't be read from getenv("GCJ_PROPERTIES").]) fi # Whether we should use arguments to main() if test -z "$enable_main_args"; then enable_main_args=${enable_main_args_default-yes} fi if test "$enable_main_args" = no; then AC_DEFINE(DISABLE_MAIN_ARGS, 1, [Define if we should ignore arguments to main().]) fi # Should we use hashtable-based synchronization? # Currently works only for Linux X86/ia64 # Typically faster and more space-efficient AC_ARG_ENABLE(hash-synchronization, AS_HELP_STRING([--enable-hash-synchronization], [use global hash table for monitor locks])) if test -z "$enable_hash_synchronization"; then enable_hash_synchronization=$enable_hash_synchronization_default fi # Do we allow intermodule optimizations (i.e. compiling many files at once)? AC_ARG_ENABLE(libgcj-multifile, AS_HELP_STRING([--enable-libgcj-multifile] [allow compilation of several files at once]), [case "${enableval}" in yes) enable_libgcj_multifile=yes ;; no) enable_libgcj_multifile=no ;; *) AC_MSG_ERROR(bad value ${enableval} for --enable-libgcj-multifile) ;; esac],[enable_libgcj_multifile=no]) AM_CONDITIONAL(ONESTEP, test "$enable_libgcj_multifile" = yes) # What is the native OS API for MinGW? AC_ARG_WITH(win32-nlsapi, AS_HELP_STRING([--with-win32-nlsapi=ansi or unicows or unicode], [native MinGW libgcj Win32 OS API (default is ansi)]), [case "${withval}" in ansi) with_win32_nlsapi=ansi ;; unicows) with_win32_nlsapi=unicows ;; unicode) with_win32_nlsapi=unicode ;; *) AC_MSG_ERROR(Bad value ${withval} for --with-win32-nlsapi.) ;; esac],[with_win32_nlsapi=ansi]) case "${with_win32_nlsapi}" in unicows | unicode) AC_DEFINE(MINGW_LIBGCJ_UNICODE, 1, [Define if MinGW libgcj uses the Windows UNICODE OS API.]) ;; esac # configure.host sets slow_pthread_self if the synchronization code should # try to avoid pthread_self calls by caching thread IDs in a hashtable. if test "${slow_pthread_self}" = "yes"; then AC_DEFINE(SLOW_PTHREAD_SELF, 1, [Define if if the synchronization code should try to avoid pthread_self calls by caching thread IDs in a hashtable.]) fi # See if the user has requested runtime debugging. LIBGCJDEBUG="false" AC_SUBST(LIBGCJDEBUG) AC_ARG_ENABLE(libgcj-debug, AS_HELP_STRING([--enable-libgcj-debug], [enable runtime debugging code]), [if test "$enable_libgcj_debug" = yes; then AC_DEFINE(DEBUG, 1, [Define this if you want runtime debugging enabled.]) LIBGCJDEBUG="true" fi]) # Check for gc debugging. This option is handled both here and in the GC. AC_ARG_ENABLE(gc-debug, AS_HELP_STRING([--enable-gc-debug], [include full support for pointer backtracing etc.]), [ if test "$enable_gc_debug" = "yes"; then AC_DEFINE(LIBGCJ_GC_DEBUG, 1, [Define if we want to use debug calls into the garbage collector.]) fi]) # See if the user has the interpreter included. AC_ARG_ENABLE(interpreter, AS_HELP_STRING([--enable-interpreter], [enable interpreter]), [if test "$enable_interpreter" = yes; then # This can also be set in configure.host. libgcj_interpreter=yes elif test "$enable_interpreter" = no; then libgcj_interpreter=no fi]) if test "$libgcj_interpreter" = yes; then AC_DEFINE(INTERPRETER, 1, [Define if you want a bytecode interpreter.]) fi INTERPRETER="$libgcj_interpreter" AC_SUBST(INTERPRETER) AC_MSG_CHECKING([for exception model to use]) AC_LANG_PUSH(C++) AC_ARG_ENABLE(sjlj-exceptions, AS_HELP_STRING([--enable-sjlj-exceptions], [force use of builtin_setjmp for exceptions]), [:], [dnl Botheration. Now we've got to detect the exception model. dnl Link tests against libgcc.a are problematic since -- at least dnl as of this writing -- we've not been given proper -L bits for dnl single-tree newlib and libgloss. dnl dnl This is what AC_TRY_COMPILE would do if it didn't delete the dnl conftest files before we got a change to grep them first. cat > conftest.$ac_ext << EOF [#]line __oline__ "configure" struct S { ~S(); }; void bar(); void foo() { S s; bar(); } EOF old_CXXFLAGS="$CXXFLAGS" CXXFLAGS=-S if AC_TRY_EVAL(ac_compile); then if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then enable_sjlj_exceptions=yes elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then enable_sjlj_exceptions=no fi fi CXXFLAGS="$old_CXXFLAGS" rm -f conftest*]) if test x$enable_sjlj_exceptions = xyes; then AC_DEFINE(SJLJ_EXCEPTIONS, 1, [Define if the compiler is configured for setjmp/longjmp exceptions.]) ac_exception_model_name=sjlj elif test x$enable_sjlj_exceptions = xno; then ac_exception_model_name="call frame" else AC_MSG_ERROR([unable to detect exception model]) fi AC_LANG_POP(C++) AC_MSG_RESULT($ac_exception_model_name) # If we are non using SJLJ exceptions, and this host does not have support # for unwinding from a signal handler, enable checked dereferences and divides. if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then CHECKREFSPEC=-fcheck-references DIVIDESPEC=-fuse-divide-subroutine EXCEPTIONSPEC= fi # See if the user wants to disable java.net. This is the mildly # ugly way that we admit that target-side configuration sucks. AC_ARG_ENABLE(java-net, AS_HELP_STRING([--disable-java-net], [disable java.net])) # Whether java.net is built by default can depend on the target. if test -z "$enable_java_net"; then enable_java_net=${enable_java_net_default-yes} fi if test "$enable_java_net" = no; then AC_DEFINE(DISABLE_JAVA_NET, 1, [Define if java.net native functions should be stubbed out.]) fi # See if the user wants to configure without libffi. Some # architectures don't support it, and default values are set in # configure.host. AC_ARG_WITH(libffi, AS_HELP_STRING([--without-libffi], [don't use libffi]), [:], [with_libffi=${with_libffi_default-yes}]) LIBFFI= LIBFFIINCS= if test "$with_libffi" != no; then AC_DEFINE(USE_LIBFFI, 1, [Define if we're to use libffi.]) LIBFFI=../libffi/libffi_convenience.la LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I../libffi/include' fi AC_SUBST(LIBFFI) AC_SUBST(LIBFFIINCS) # See if the user wants to disable JVMPI support. AC_ARG_ENABLE(jvmpi, AS_HELP_STRING([--disable-jvmpi], [disable JVMPI support])) if test "$enable_jvmpi" != no; then AC_DEFINE(ENABLE_JVMPI, 1, [Define if you are using JVMPI.]) fi # If the target is an eCos system, use the appropriate eCos # I/O routines. # FIXME: this should not be a local option but a global target # system; at present there is no eCos target. TARGET_ECOS=${PROCESS-"no"} AC_ARG_WITH(ecos, [ --with-ecos enable runtime eCos target support], TARGET_ECOS="$with_ecos" ) supply_backtrace=no PLATFORM_INNER_NAT_HDRS= case "$TARGET_ECOS" in no) case "$host" in *mingw*) PLATFORM=Win32 PLATFORMNET=Win32 PLATFORMH=win32.h CHECK_FOR_BROKEN_MINGW_LD ;; *) PLATFORM=Posix PLATFORMNET=Posix PLATFORMH=posix.h PLATFORM_INNER_NAT_HDRS='java/lang/ConcreteProcess$$ProcessManager.h' ;; esac ;; *) PLATFORM=Ecos PLATFORMNET=NoNet AC_DEFINE(ECOS, 1, [Define if you're running eCos.]) PLATFORMH=posix.h ;; esac AC_SUBST(PLATFORM_INNER_NAT_HDRS) AC_CONFIG_LINKS(include/platform.h:include/$PLATFORMH) AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1, [Define if you have int32_t and uint32_t.])) AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1, [Define if you have int32_t and uint32_t.])) AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1, [Define if you have u_int32_t])) AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1, [Define if you have u_int32_t])) AM_CONDITIONAL(USING_WIN32_PLATFORM, test "$PLATFORM" = Win32) AM_CONDITIONAL(USING_POSIX_PLATFORM, test "$PLATFORM" = Posix) AM_CONDITIONAL(USING_ECOS_PLATFORM, test "$PLATFORM" = Ecos) case "$host" in *-darwin*) DARWIN_CRT=true ;; *) DARWIN_CRT=false ;; esac AM_CONDITIONAL(USING_DARWIN_CRT, $DARWIN_CRT) # These may not be defined in a non-ANS conformant embedded system. # FIXME: Should these case a runtime exception in that case? AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME, 1, [Define is you have 'mktime' in ])) AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME, 1, [Define is you have 'localtime' in ])) # Create the subdirectory for natFile.cc, or the attempt # to create the link will fail. test -d java || mkdir java test -d java/io || mkdir java/io test -d gnu || mkdir gnu AC_CONFIG_LINKS(java/io/natFile.cc:java/io/natFile${FILE-${PLATFORM}}.cc) # Likewise for ConcreteProcess.java and natConcreteProcess.cc. test -d java/lang || mkdir java/lang AC_CONFIG_LINKS(java/lang/ConcreteProcess.java:java/lang/${PLATFORM}Process.java) AC_CONFIG_LINKS(java/lang/natConcreteProcess.cc:java/lang/nat${PLATFORM}Process.cc) # Likewise for natInetAddress.cc and natNetworkInterface.cc. test -d java/net || mkdir java/net AC_CONFIG_LINKS(java/net/natInetAddress.cc:java/net/natInetAddress${PLATFORMNET}.cc) AC_CONFIG_LINKS(java/net/natNetworkInterface.cc:java/net/natNetworkInterface${PLATFORMNET}.cc) # Likewise for natPlainSocketImpl.cc and natPlainDatagramSocketImpl.cc. test -d gnu/java || mkdir gnu/java test -d gnu/java/net || mkdir gnu/java/net AC_CONFIG_LINKS(gnu/java/net/natPlainSocketImpl.cc:gnu/java/net/natPlainSocketImpl${PLATFORMNET}.cc) AC_CONFIG_LINKS(gnu/java/net/natPlainDatagramSocketImpl.cc:gnu/java/net/natPlainDatagramSocketImpl${PLATFORMNET}.cc) # Likewise for natPipeImpl.cc and natSelectorImpl.cc. test -d gnu/java/nio || mkdir gnu/java/nio AC_CONFIG_LINKS(gnu/java/nio/natPipeImpl.cc:gnu/java/nio/natPipeImpl${PLATFORM}.cc) AC_CONFIG_LINKS(gnu/java/nio/natSelectorImpl.cc:gnu/java/nio/natSelectorImpl${PLATFORM}.cc) test -d gnu/java/nio/channels || mkdir gnu/java/nio/channels AC_CONFIG_LINKS(gnu/java/nio/channels/natFileChannelImpl.cc:gnu/java/nio/channels/natFileChannel${FILE-${PLATFORM}}.cc) case "${host}" in *mingw*) SYSTEMSPEC="-lgdi32 -lws2_32" if test "${with_win32_nlsapi}" = "unicows"; then SYSTEMSPEC="-lunicows $SYSTEMSPEC" fi ;; *) SYSTEMSPEC= ;; esac AC_SUBST(SYSTEMSPEC) LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs" AC_SUBST(LIBGCJTESTSPEC) AC_ARG_WITH(system-zlib, AS_HELP_STRING([--with-system-zlib], [use installed libz])) ZLIBSPEC= AC_SUBST(ZLIBSPEC) ZLIBTESTSPEC= AC_SUBST(ZLIBTESTSPEC) AC_PATH_XTRA # Determine which AWT peer libraries to build AC_ARG_ENABLE(java-awt, AS_HELP_STRING([--enable-java-awt], [list of AWT peer implementations to be built])) peerlibs="`echo ${enable_java_awt} | tr ',' ' '`" use_xlib_awt="" use_gtk_awt="" # The default toolkit to use is the first one specified. TOOLKIT= AC_SUBST(TOOLKIT) for peer in $peerlibs ; do case $peer in xlib) if test "$no_x" = yes; then echo "*** xlib peers requested but no X library available" 1>&2 exit 1 else use_xlib_awt="yes" if test -z "$TOOLKIT"; then TOOLKIT=gnu.awt.xlib.XToolkit fi fi ;; gtk) if test "$no_x" = yes; then echo "*** xlib peers requested but no X library available" 1>&2 exit 1 else use_gtk_awt=yes if test -z "$TOOLKIT"; then TOOLKIT=gnu.java.awt.peer.gtk.GtkToolkit fi test -d jniinclude || mkdir jniinclude fi ;; no) use_xlib_awt= use_gtk_awt= break ;; *) echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2 exit 1 esac done AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes) AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes) # determine whether to enable the cairo GTK Graphics2D backend AC_ARG_ENABLE(gtk-cairo, AS_HELP_STRING([--enable-gtk-cairo], [build the cairo Graphics2D implementation on GTK])) AM_CONDITIONAL(GTK_CAIRO, test "x${enable_gtk_cairo}" = xyes) if test "x${enable_gtk_cairo}" = xyes then PKG_CHECK_MODULES(CAIRO, cairo) PKG_CHECK_MODULES(PANGOFT2, pangoft2) fi AC_SUBST(CAIRO_LIBS) AC_SUBST(CAIRO_CFLAGS) AC_SUBST(PANGOFT2_LIBS) AC_SUBST(PANGOFT2_CFLAGS) # FIXME: this should be _libs on some hosts. libsubdir=.libs # Allow the GC to be disabled. Can be useful when debugging. AC_MSG_CHECKING([for garbage collector to use]) AC_ARG_ENABLE(java-gc, AS_HELP_STRING([--enable-java-gc=TYPE], [choose garbage collector (default is boehm)]), [GC=$enableval], [GC=boehm]) GCLIBS= GCINCS= GCDEPS= GCSPEC= JC1GCSPEC= GCTESTSPEC= case "$GC" in boehm) AC_MSG_RESULT(boehm) GCLIBS=../boehm-gc/libgcjgc_convenience.la JC1GCSPEC='-fuse-boehm-gc' GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs" GCINCS='-I$(top_srcdir)/../boehm-gc/include -I../boehm-gc/include' GCOBJS=boehm.lo GCHDR=boehm-gc.h # The POSIX thread support needs to know this. AC_DEFINE(HAVE_BOEHM_GC, 1, [Define if Boehm GC in use.]) ;; no) AC_MSG_RESULT(none) GCHDR=no-gc.h ;; *) AC_MSG_ERROR([unrecognized collector "$GC"]) ;; esac AC_SUBST(GCLIBS) AC_SUBST(GCINCS) AC_SUBST(GCDEPS) AC_SUBST(GCSPEC) AC_SUBST(JC1GCSPEC) AC_SUBST(GCTESTSPEC) AC_CONFIG_LINKS(include/java-gc.h:include/$GCHDR) AM_CONDITIONAL(USING_BOEHMGC, test "$GC" = boehm) AM_CONDITIONAL(USING_NOGC, test "$GC" = no) AC_MSG_CHECKING([for thread model used by GCC]) THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'` AC_MSG_RESULT([$THREADS]) case "$THREADS" in no | none | single) THREADS=none ;; posix | pthreads) THREADS=posix case "$host" in *-*-linux*) AC_DEFINE(LINUX_THREADS, 1, [Define if using POSIX threads on Linux.]) ;; esac ;; win32) ;; decosf1 | irix | mach | os2 | solaris | dce | vxworks) AC_MSG_ERROR(thread package $THREADS not yet supported) ;; *) AC_MSG_ERROR($THREADS is an unknown thread package) ;; esac THREADCXXFLAGS= THREADLDFLAGS= THREADLIBS= THREADINCS= THREADDEPS= THREADH= THREADSPEC= case "$THREADS" in posix) case "$host" in *-*-cygwin*) # Don't set THREADLIBS here. Cygwin doesn't have -lpthread. ;; *-*-freebsd[[1234]]*) # Before FreeBSD 5, it didn't have -lpthread (or any library which # merely adds pthread_* functions) but it does have a -pthread switch # which is required at link-time to select -lc_r *instead* of -lc. THREADLDFLAGS=-pthread # Don't set THREADSPEC here as might be expected since -pthread is # not processed when found within a spec file, it must come from # the command line. For now, the user must provide the -pthread # switch to link code compiled with gcj. In future, consider adding # support for weak references to pthread_* functions ala gthr.h API. THREADSPEC='%{!pthread: %{!shared: %eUnder this configuration, the user must provide -pthread when linking.}}' ;; *-*-freebsd*) # FreeBSD 5 implements a model much closer to other modern UNIX # which support threads. However, it still does not support # -lpthread. THREADLDFLAGS=-pthread THREADSPEC=-lc_r ;; alpha*-dec-osf*) THREADCXXFLAGS=-pthread # boehm-gc needs some functions from librt, so link that too. THREADLIBS='-lpthread -lrt' THREADSPEC='-lpthread -lrt' ;; *) THREADLIBS=-lpthread THREADSPEC=-lpthread ;; esac THREADH=posix-threads.h # MIT pthreads doesn't seem to have the mutexattr functions. # But for now we don't check for it. We just assume you aren't # using MIT pthreads. AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.]) # If we're using the Boehm GC, then we happen to know that it # defines _REENTRANT, so we don't bother. Eww. if test "$GC" != boehm; then AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads]) fi AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads]) ;; win32) THREADH=win32-threads.h ;; none) THREADH=no-threads.h ;; esac AC_CONFIG_LINKS(include/java-threads.h:include/$THREADH) AC_SUBST(THREADLIBS) AC_SUBST(THREADINCS) AC_SUBST(THREADDEPS) AC_SUBST(THREADSPEC) AC_SUBST(THREADLDFLAGS) AC_SUBST(THREADCXXFLAGS) AM_CONDITIONAL(USING_POSIX_THREADS, test "$THREADS" = posix) AM_CONDITIONAL(USING_WIN32_THREADS, test "$THREADS" = win32) AM_CONDITIONAL(USING_NO_THREADS, test "$THREADS" = none) if test -d sysdep; then true; else mkdir sysdep; fi AC_CONFIG_LINKS(sysdep/locks.h:sysdep/$sysdeps_dir/locks.h) HASH_SYNC_SPEC= # Hash synchronization is only useful with posix threads right now. if test "$enable_hash_synchronization" = yes && test "$THREADS" != "none"; then HASH_SYNC_SPEC=-fhash-synchronization AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use]) fi AC_SUBST(HASH_SYNC_SPEC) AM_CONDITIONAL(USING_GCC, test "$GCC" = yes) # We're in the tree with gcc, and need to include some of its headers. GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc' # Figure out where generated headers like libgcj-config.h get installed. gcc_version_trigger=${libgcj_basedir}/../gcc/version.c gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^\"]]*\)\".*/\1/'` gcc_version=`echo ${gcc_version_full} | sed -e 's/\([[^ ]]*\) .*/\1/'` tool_include_dir='$(libdir)/gcc/$(target_noncanonical)/'${gcc_version}/include AC_SUBST(tool_include_dir) AC_SUBST(gcc_version) if test "x${with_newlib}" = "xyes"; then # We are being configured with a cross compiler. AC_REPLACE_FUNCS # may not work correctly, because the compiler may not be able to # link executables. # We assume newlib. This lets us hard-code the functions we know # we'll have. AC_DEFINE(HAVE_MEMMOVE, 1, [Define if you have memmove.]) AC_DEFINE(HAVE_MEMCPY, 1, [Define if you have memcpy.]) AC_DEFINE(HAVE_STRERROR, 1, [Define if you have strerror.]) AC_DEFINE(HAVE_TIME, 1, [Define if you have time.]) AC_DEFINE(HAVE_GMTIME_R, 1, [Define if you have the 'gmtime_r' function]) AC_DEFINE(HAVE_LOCALTIME_R, 1, [Define if you have the 'localtime_r' function.]) AC_DEFINE(HAVE_USLEEP_DECL, 1, [Define if usleep is declared in .]) # This is only for POSIX threads. AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.]) # We also assume we are using gcc, which provides alloca. AC_DEFINE(HAVE_ALLOCA) # Assume we do not have getuid and friends. AC_DEFINE(NO_GETUID, 1, [Define if getuid() and friends are missing.]) PLATFORMNET=NoNet else AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir) AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd) AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod) AC_CHECK_FUNCS(nl_langinfo setlocale) AC_CHECK_FUNCS(inet_aton inet_addr, break) AC_CHECK_FUNCS(inet_pton uname inet_ntoa) AC_CHECK_FUNCS(fork execvp pipe sigaction ftruncate) AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h) AC_CHECK_FUNC(backtrace, [ case "$host" in ia64-*-linux*) # Has broken backtrace() ;; mips*-*-linux*) # Has broken backtrace(), but we supply our own. if test -d sysdep; then true; else mkdir -p sysdep; fi supply_backtrace=yes AC_DEFINE(HAVE_BACKTRACE, 1, [Define if your platform has a working backtrace() function.]) ;; *) AC_DEFINE(HAVE_BACKTRACE, 1, [Define if your platform has a working backtrace() function.]) ;; esac ], [ case "$host" in *mingw*) # Has backtrace() defined in libgcj itself AC_DEFINE(HAVE_BACKTRACE, 1, [Define if your platform has a working backtrace() function.]) ;; esac ]) AC_CHECK_LIB(dl, dladdr, [ if test "x${disable_dladdr}" = "xyes"; then #Broken dladdr(). true else AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()]) fi ]) if test x"$build" = x"$host"; then AC_CHECK_FILES(/proc/self/exe, [ AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])]) else case $host in *-linux*) AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe]) ;; esac fi AM_ICONV AM_LC_MESSAGES AC_STRUCT_TIMEZONE AC_CHECK_FUNCS(gethostbyname_r, [ AC_DEFINE(HAVE_GETHOSTBYNAME_R, 1, [Define if you have the 'gethostbyname_r' function.]) # There are two different kinds of gethostbyname_r. # We look for the one that returns `int'. # Hopefully this check is robust enough. AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [ AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT, 1, [Define if gethostbyname_r returns 'int'.])]) case " $GCINCS " in *" -D_REENTRANT "*) ;; *) dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT], [libjava_cv_gethostbyname_r_needs_reentrant], [ AC_LANG_PUSH(C++) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[gethostbyname_r("", 0, 0);]])], [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl CPPFLAGS_SAVE="$CPPFLAGS" CPPFLAGS="$CPPFLAGS -D_REENTRANT" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[gethostbyname_r("", 0, 0);]])], [libjava_cv_gethostbyname_r_needs_reentrant=yes], [libjava_cv_gethostbyname_r_needs_reentrant=fail]) CPPFLAGS="$CPPFLAGS_SAVE" ]) AC_LANG_POP(C++) ]) if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads]) fi ;; esac AC_CACHE_CHECK([for struct hostent_data], [libjava_cv_struct_hostent_data], [dnl AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT) # define _REENTRANT 1 #endif #include ]], [[struct hostent_data data;]])], [libjava_cv_struct_hostent_data=yes], [libjava_cv_struct_hostent_data=no])]) if test "x$libjava_cv_struct_hostent_data" = xyes; then AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1, [Define if struct hostent_data is defined in netdb.h]) fi ]) # FIXME: libjava source code expects to find a prototype for # gethostbyaddr_r in netdb.h. The outer check ensures that # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C # linkage check is enough, yet C++ code requires proper prototypes.) AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [ AC_CHECK_FUNCS(gethostbyaddr_r, [ AC_DEFINE(HAVE_GETHOSTBYADDR_R, 1, [Define if you have the 'gethostbyaddr_r' function.]) # There are two different kinds of gethostbyaddr_r. # We look for the one that returns `int'. # Hopefully this check is robust enough. AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [ AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT, 1, [Define if gethostbyaddr_r returns 'int'.])])])]) AC_CHECK_FUNCS(gethostname, [ AC_DEFINE(HAVE_GETHOSTNAME, 1, [Define if you have the 'gethostname' function.]) AC_EGREP_HEADER(gethostname, unistd.h, [ AC_DEFINE(HAVE_GETHOSTNAME_DECL, 1, [Define if gethostname is declared in .])])]) AC_CHECK_FUNCS(usleep, [ AC_EGREP_HEADER(usleep, unistd.h, [ AC_DEFINE(HAVE_USLEEP_DECL, 1, [Define if usleep is declared in .])])]) # Look for these functions in the thread library, but only bother # if using POSIX threads. if test "$THREADS" = posix; then save_LIBS="$LIBS" LIBS="$LIBS $THREADLIBS" # Some POSIX thread systems don't have pthread_mutexattr_settype. # E.g., Solaris. AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np) # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since # Solaris 7 the name librt is preferred. AC_CHECK_FUNCS(sched_yield, , [ AC_CHECK_LIB(rt, sched_yield, [ AC_DEFINE(HAVE_SCHED_YIELD) THREADLIBS="$THREADLIBS -lrt" THREADSPEC="$THREADSPEC -lrt"], [ AC_CHECK_LIB(posix4, sched_yield, [ AC_DEFINE(HAVE_SCHED_YIELD) THREADLIBS="$THREADLIBS -lposix4" THREADSPEC="$THREADSPEC -lposix4"])])]) LIBS="$save_LIBS" # We can save a little space at runtime if the mutex has m_count # or __m_count. This is a nice hack for Linux. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ extern pthread_mutex_t *mutex; int q = mutex->m_count; ]])], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT, 1, [Define if pthread_mutex_t has m_count member.]), [ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ extern pthread_mutex_t *mutex; int q = mutex->__m_count; ]])], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT, 1, [Define if pthread_mutex_t has __m_count member.]))]) fi # We require a way to get the time. time_found=no AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes) if test "$time_found" = no; then AC_MSG_ERROR([no function found to get the time]) fi AC_CHECK_FUNCS(memmove) # We require memcpy. memcpy_found=no AC_CHECK_FUNCS(memcpy, memcpy_found=yes) if test "$memcpy_found" = no; then AC_MSG_ERROR([memcpy is required]) fi AC_CHECK_LIB(dl, dlopen, [ AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])]) # Some library-finding code we stole from Tcl. #-------------------------------------------------------------------- # Check for the existence of the -lsocket and -lnsl libraries. # The order here is important, so that they end up in the right # order in the command line generated by make. Here are some # special considerations: # 1. Use "connect" and "accept" to check for -lsocket, and # "gethostbyname" to check for -lnsl. # 2. Use each function name only once: can't redo a check because # autoconf caches the results of the last check and won't redo it. # 3. Use -lnsl and -lsocket only if they supply procedures that # aren't already present in the normal libraries. This is because # IRIX 5.2 has libraries, but they aren't needed and they're # bogus: they goof up name resolution if used. # 4. On some SVR4 systems, can't use -lsocket without -lnsl too. # To get around this problem, check for both libraries together # if -lsocket doesn't work by itself. #-------------------------------------------------------------------- AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets, [gcj_cv_lib_sockets= gcj_checkBoth=0 unset ac_cv_func_connect AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1) if test "$gcj_checkSocket" = 1; then unset ac_cv_func_connect AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket", gcj_checkBoth=1) fi if test "$gcj_checkBoth" = 1; then gcj_oldLibs=$LIBS LIBS="$LIBS -lsocket -lnsl" unset ac_cv_func_accept AC_CHECK_FUNC(accept, [gcj_checkNsl=0 gcj_cv_lib_sockets="-lsocket -lnsl"]) unset ac_cv_func_accept LIBS=$gcj_oldLibs fi unset ac_cv_func_gethostbyname gcj_oldLibs=$LIBS LIBS="$LIBS $gcj_cv_lib_sockets" AC_CHECK_FUNC(gethostbyname, , [AC_CHECK_LIB(nsl, main, [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])]) unset ac_cv_func_gethostbyname LIBS=$gcj_oldLIBS ]) SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets" if test "$with_system_zlib" = yes; then AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=) fi # Test for Gtk stuff, if asked for. if test "$use_gtk_awt" = yes; then PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.4) AC_SUBST(GTK_CFLAGS) AC_SUBST(GTK_LIBS) PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.4 gthread-2.0 >= 2.4) AC_SUBST(GLIB_CFLAGS) AC_SUBST(GLIB_LIBS) PKG_CHECK_MODULES(LIBART, libart-2.0 >= 2.1) AC_SUBST(LIBART_CFLAGS) AC_SUBST(LIBART_LIBS) fi # On Solaris, and maybe other architectures, the Boehm collector # requires -ldl. if test "$GC" = boehm; then AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl") fi fi AM_CONDITIONAL(SUPPLY_BACKTRACE, test "$supply_backtrace" = yes) if test -z "${with_multisubdir}"; then builddotdot=. else builddotdot=`echo ${with_multisubdir} | sed -e 's:[[^/]][[^/]]*:..:g'` fi NATIVE=yes # Which gcj do we use? which_gcj=default built_gcc_dir="`cd ${builddotdot}/../../gcc && ${PWDCMD-pwd}`" if test -n "${with_cross_host}"; then # We are being configured with a cross compiler. We can't # use ac_exeext, because that is for the target platform. NATIVE=no cross_host_exeext= case "${with_cross_host}" in *mingw* | *cygwin*) cross_host_exeext=.exe ;; esac if test -x "${built_gcc_dir}/gcj${cross_host_exeext}"; then if test x"$build_noncanonical" = x"$with_cross_host"; then # Ordinary cross (host!=target and host=build) which_gcj=built else # Canadian cross (host!=target and host!=build) which_gcj=cross fi else which_gcj=cross fi else # We are being configured with a native or crossed-native compiler if test -x "${built_gcc_dir}/gcj${ac_exeext}"; then if test x"$build" = x"$host"; then # True native build (host=target and host=build) which_gcj=built else # Crossed-native build (host=target and host!=build) which_gcj=cross fi else which_gcj=path fi fi case "${which_gcj}" in built) GCJ="$built_gcc_dir/gcj -B`${PWDCMD-pwd}`/ -B$built_gcc_dir/" GCJH='$(MULTIBUILDTOP)../$(COMPPATH)/gcc/gcjh' ZIP='$(MULTIBUILDTOP)../$(COMPPATH)/fastjar/fastjar' ;; cross) if test "x${with_newlib}" = "xyes"; then # FIXME (comment): Why is this needed? GCC_UNWIND_INCLUDE= GCJ="${target_noncanonical}-gcj" else GCJ="${target_noncanonical}-gcj -B`${PWDCMD-pwd}`/" fi ZIP=jar GCJH='$(target_noncanonical)-gcjh' ;; path) GCJ="gcj -B`${PWDCMD-pwd}`/" ## In this case, gcj is found outside the build tree. However, zip is ## found in the build tree. ZIP='$(MULTIBUILDTOP)../$(COMPPATH)/fastjar/fastjar' GCJH=gcjh ;; esac AC_SUBST(GCJH) AC_SUBST(ZIP) # Create it, so that compile/link tests don't fail test -f libgcj.spec || touch libgcj.spec # We must search the source tree for java.lang, since we still don't # have libgcj.jar nor java/lang/*.class GCJ_SAVE_CPPFLAGS=$CPPFLAGS CPPFLAGS="$CPPFLAGS -I`${PWDCMD-pwd}` -I`cd $srcdir && ${PWDCMD-pwd}`" # Since some classes depend on this one, we need its source available # before we can do any GCJ compilation test :-( if test ! -f gnu/classpath/Configuration.java; then test -d gnu || mkdir gnu test -d gnu/classpath || mkdir gnu/classpath sed -e 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \ -e 's,@TOOLKIT@,$TOOLKIT,' \ < $srcdir/gnu/classpath/Configuration.java.in \ > gnu/classpath/Configuration.java # We do not want to redirect the output of the grep below to /dev/null, # but we add /dev/null to the input list so that grep will print the # filename of Configuration.java in case it finds any matches. if grep @ gnu/classpath/Configuration.java /dev/null; then AC_MSG_ERROR([configure.ac is missing the substitutions above]) fi fi LT_AC_PROG_GCJ CPPFLAGS=$GCJ_SAVE_CPPFLAGS AC_COMPILE_CHECK_SIZEOF(void *) AC_C_BIGENDIAN_CROSS ZLIBS= SYS_ZLIBS= ZINCS= if test -z "$ZLIBSPEC"; then # Use zlib from the GCC tree. ZINCS='-I$(top_srcdir)/../zlib' ZLIBS=../zlib/libzgcj_convenience.la else # System's zlib. SYS_ZLIBS="$ZLIBSPEC" fi AC_SUBST(ZLIBS) AC_SUBST(SYS_ZLIBS) AC_SUBST(ZINCS) AC_SUBST(DIVIDESPEC) AC_SUBST(CHECKREFSPEC) AC_SUBST(EXCEPTIONSPEC) AC_SUBST(IEEESPEC) AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes) AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes) AC_SUBST(GCC_UNWIND_INCLUDE) # Process the option "--enable-version-specific-runtime-libs" # Calculate toolexeclibdir case ${version_specific_libs} in yes) # Need the gcc compiler version to know where to install libraries # and header files if --enable-version-specific-runtime-libs option # is selected. includedir='${libdir}/gcc/${target_noncanonical}/'$gcc_version/include/ toolexecdir='$(libdir)/gcc/$(target_noncanonical)' toolexecmainlibdir='$(toolexecdir)/'${gcc_version}'$(MULTISUBDIR)' toolexeclibdir=$toolexecmainlibdir ;; no) if test -n "$with_cross_host" && test x"$with_cross_host" != x"no"; then # Install a library built with a cross compiler in tooldir, not libdir. toolexecdir='$(exec_prefix)/$(target_noncanonical)' toolexecmainlibdir='$(toolexecdir)/lib' else toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)' toolexecmainlibdir='$(libdir)' fi multi_os_directory=`$CC -print-multi-os-directory` case $multi_os_directory in .) toolexeclibdir=$toolexecmainlibdir ;; # Avoid trailing /. *) toolexeclibdir=$toolexecmainlibdir/$multi_os_directory ;; esac ;; esac AC_SUBST(toolexecdir) AC_SUBST(toolexecmainlibdir) AC_SUBST(toolexeclibdir) # Determine gcj version number. gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([[^ ]]*\).*$/\1/p'` GCJVERSION=$gcjversion AC_SUBST(GCJVERSION) AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID]) # We check for sys/filio.h because Solaris 2.5 defines FIONREAD there. # On that system, sys/ioctl.h will not include sys/filio.h unless # BSD_COMP is defined; just including sys/filio.h is simpler. 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 net/if.h pwd.h sys/config.h stdint.h langinfo.h locale.h) # We avoid AC_HEADER_DIRENT since we really only care about dirent.h # for now. If you change this, you also must update natFile.cc. AC_CHECK_HEADERS(dirent.h) AC_CHECK_HEADERS(inttypes.h, [ AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if is available]) AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if is available]) ]) AC_HEADER_SYS_WAIT AC_CHECK_TYPE([ssize_t], [int]) AC_MSG_CHECKING([for in_addr_t]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include #if STDC_HEADERS #include #include #endif #if HAVE_NETINET_IN_H #include #endif]], [[in_addr_t foo;]])], [AC_DEFINE(HAVE_IN_ADDR_T, 1, [Define to 1 if 'in_addr_t' is defined in sys/types.h or netinet/in.h.]) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)]) AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[struct ip_mreq mreq;]])], [AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Define if struct ip_mreq is defined in netinet/in.h.]) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)]) AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[struct ipv6_mreq mreq6;]])], [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ, 1, [Define if struct ipv6_mreq is defined in netinet/in.h.]) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)]) AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[struct sockaddr_in6 addr6;]])], [AC_DEFINE(HAVE_INET6, 1, [Define if inet6 structures are defined in netinet/in.h.]) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)]) AC_MSG_CHECKING([for socklen_t in sys/socket.h]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#define _POSIX_PII_SOCKET #include #include ]], [[socklen_t x = 5;]])], [AC_DEFINE(HAVE_SOCKLEN_T, 1, [Define it socklen_t typedef is in sys/socket.h.]) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)]) AC_MSG_CHECKING([for tm_gmtoff in struct tm]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[struct tm tim; tim.tm_gmtoff = 0;]])], [AC_DEFINE(STRUCT_TM_HAS_GMTOFF, 1, [Define if struct tm has tm_gmtoff field.]) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no) AC_MSG_CHECKING([for global timezone variable]) dnl FIXME: we don't want a link check here because that won't work dnl when cross-compiling. So instead we make an assumption that dnl the header file will mention timezone if it exists. dnl Don't find the win32 function timezone AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[void i(){long z2 = 2*timezone;}]])], [AC_DEFINE(HAVE_TIMEZONE, 1, [Define if global 'timezone' exists.]) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no) AC_MSG_CHECKING([for global _timezone variable]) dnl FIXME: As above, don't want link check AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[long z2 = _timezone;]])], [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE, 1, [Define if your platform has the global _timezone variable.]) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)])])]) AC_FUNC_ALLOCA AC_FUNC_MMAP AC_CHECK_PROGS(PERL, perl, false) SYSDEP_SOURCES= SIGNAL_HANDLER_AUX= case "${host}" in i?86-*-linux*) SIGNAL_HANDLER=include/i386-signal.h ;; sparc*-sun-solaris*) SIGNAL_HANDLER=include/sparc-signal.h ;; # ia64-*) # SYSDEP_SOURCES=sysdep/ia64.c # test -d sysdep || mkdir sysdep # ;; hppa*-*-linux*) SIGNAL_HANDLER=include/pa-signal.h ;; ia64-*-linux*) SIGNAL_HANDLER=include/dwarf2-signal.h ;; powerpc*-*-linux*) SIGNAL_HANDLER=include/powerpc-signal.h ;; alpha*-*-linux*) SIGNAL_HANDLER=include/dwarf2-signal.h ;; s390*-*-linux*) SIGNAL_HANDLER=include/s390-signal.h ;; x86_64*-*-linux*) SIGNAL_HANDLER=include/x86_64-signal.h SIGNAL_HANDLER_AUX=include/i386-signal.h ;; sparc*-*-linux*) SIGNAL_HANDLER=include/dwarf2-signal.h ;; sh*-*-linux*) SIGNAL_HANDLER=include/sh-signal.h ;; *mingw*) SIGNAL_HANDLER=include/win32-signal.h ;; mips*-*-linux*) SIGNAL_HANDLER=include/mips-signal.h ;; *-*-darwin*) SIGNAL_HANDLER=include/darwin-signal.h ;; *) SIGNAL_HANDLER=include/default-signal.h ;; esac # If we're using sjlj exceptions, forget what we just learned. if test "$enable_sjlj_exceptions" = yes; then SIGNAL_HANDLER=include/default-signal.h SIGNAL_HANDLER_AUX= fi # Define here any compiler flags that you need in order to make backtrace() work. BACKTRACESPEC= case "${host}" in x86_64*-*-linux*|i?86-*) BACKTRACESPEC=-fno-omit-frame-pointer ;; esac AC_SUBST(BACKTRACESPEC) AC_SUBST(SYSDEP_SOURCES) if test -z "$SIGNAL_HANDLER_AUX"; then SIGNAL_HANDLER_AUX=$SIGNAL_HANDLER fi AC_CONFIG_LINKS(include/java-signal.h:$SIGNAL_HANDLER include/java-signal-aux.h:$SIGNAL_HANDLER_AUX) if test "${multilib}" = "yes"; then multilib_arg="--enable-multilib" else multilib_arg= fi here=`${PWDCMD-pwd}` AC_SUBST(here) # We get this from the environment. AC_SUBST(GCJFLAGS) AC_CONFIG_FILES([ Makefile libgcj.pc libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile ]) AC_CONFIG_COMMANDS([default], [# Only add multilib support code if we just rebuilt top-level Makefile. case " $CONFIG_FILES " in *" Makefile "*) LD="${ORIGINAL_LD_FOR_MULTILIBS}" ac_file=Makefile . ${libgcj_basedir}/../config-ml.in ;; esac ], srcdir=${srcdir} host=${host} target=${target} with_multisubdir=${with_multisubdir} ac_configure_args="${multilib_arg} ${ac_configure_args}" CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} libgcj_basedir=${libgcj_basedir} CC="${CC}" CXX="${CXX}" ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}" ) AC_OUTPUT