dnl Process this with autoconf to create configure AC_INIT(java/lang/System.java) # 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=$LD AC_PROG_LN_S dnl We use these options to decide which functions to include. AC_ARG_WITH(target-subdir, [ --with-target-subdir=SUBDIR configuring in a subdirectory]) AC_ARG_WITH(cross-host, [ --with-cross-host=HOST configuring with a cross compiler]) AC_ARG_WITH(newlib, [ --with-newlib Configuring with newlib]) LIBGCJ_CONFIGURE(.) AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h) # Only use libltdl for native builds. if test -z "${with_cross_host}"; then AC_LIBLTDL_CONVENIENCE AC_LIBTOOL_DLOPEN DIRLTDL=libltdl AC_DEFINE(USE_LTDL) # 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=$sub_auxdir" fi AC_SUBST(INCLTDL) AC_SUBST(LIBLTDL) AC_SUBST(DIRLTDL) AM_PROG_LIBTOOL AC_CONFIG_SUBDIRS($DIRLTDL) if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then COMPPATH=. else COMPPATH=.. fi AC_SUBST(COMPPATH) dnl The -no-testsuite modules omit the test subdir. AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite) dnl Should the runtime set system properties by examining the dnl environment variable GCJ_PROPERTIES? AC_ARG_ENABLE(getenv-properties, [ --disable-getenv-properties don't set system properties from GCJ_PROPERTIES]) dnl Whether GCJ_PROPERTIES is used depends on the target. if test -z "$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) fi dnl 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 "$enable_main_args" = no; then AC_DEFINE(DISABLE_MAIN_ARGS) fi dnl Should we use hashtable-based synchronization? dnl Currently works only for Linux X86/ia64 dnl Typically faster and more space-efficient AC_ARG_ENABLE(hash-synchronization, [ --enable-hash-synchronization Use global hash table for monitor locks]) if test -z "$enable_hash_synchronization"; then enable_hash_synchronization=$enable_hash_synchronization_default fi dnl configure.host sets slow_pthread_self if the synchronization code should dnl try to avoid pthread_self calls by caching thread IDs in a hashtable. if test "${slow_pthread_self}" = "yes"; then AC_DEFINE(SLOW_PTHREAD_SELF) fi dnl See if the user has requested runtime debugging. LIBGCJDEBUG="false" AC_SUBST(LIBGCJDEBUG) AC_ARG_ENABLE(libgcj-debug, [ --enable-libgcj-debug enable runtime debugging code], if test "$enable_libgcj_debug" = yes; then AC_DEFINE(DEBUG) LIBGCJDEBUG="true" fi) dnl See if the user has the interpreter included. AC_ARG_ENABLE(interpreter, [ --enable-interpreter enable interpreter], if test "$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) fi INTERPRETER="$libgcj_interpreter" AC_SUBST(INTERPRETER) AC_MSG_CHECKING([for exception model to use]) AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_ARG_ENABLE(sjlj-exceptions, [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions], [:], [dnl Botheration. Now we've got to detect the exception model. dnl Link tests against libgcc.a are problematic since -- at least dnl as of this writing -- we've not been given proper -L bits for dnl single-tree newlib and libgloss. dnl dnl This is what AC_TRY_COMPILE would do if it didn't delete the dnl conftest files before we got a change to grep them first. cat > conftest.$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_RESTORE 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 $enable_sjlj_exceptions = no; then CHECKREFSPEC=-fcheck-references DIVIDESPEC=-fuse-divide-subroutine EXCEPTIONSPEC= fi dnl See if the user wants to disable java.net. This is the mildly dnl ugly way that we admit that target-side configuration sucks. AC_ARG_ENABLE(java-net, [ --disable-java-net disable java.net]) dnl Whether java.net is built by default can depend on the target. if test -z "$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) fi dnl See if the user wants to configure without libffi. Some dnl architectures don't support it, and default values are set in dnl configure.host. AC_ARG_WITH(libffi, [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes}) LIBFFI= LIBFFIINCS= if test "$with_libffi" != no; then AC_DEFINE(USE_LIBFFI) LIBFFI=../libffi/libffi_convenience.la LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I../libffi/include' fi AC_SUBST(LIBFFI) AC_SUBST(LIBFFIINCS) dnl See if the user wants to disable JVMPI support. AC_ARG_ENABLE(jvmpi, [ --disable-jvmpi disable JVMPI support]) if test "$enable_jvmpi" != no; then AC_DEFINE(ENABLE_JVMPI) fi dnl If the target is an eCos system, use the appropriate eCos dnl I/O routines. dnl FIXME: this should not be a local option but a global target dnl 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" ) PLATFORMOBJS= case "$TARGET_ECOS" in no) case "$host" in *mingw*) PLATFORM=Win32 PLATFORMNET=Win32 PLATFORMOBJS=win32.lo PLATFORMH=win32.h CHECK_FOR_BROKEN_MINGW_LD ;; *) PLATFORM=Posix PLATFORMNET=Posix PLATFORMOBJS=posix.lo PLATFORMH=posix.h ;; esac ;; *) PLATFORM=Ecos PLATFORMNET=NoNet AC_DEFINE(ECOS) PLATFORMOBJS=posix.lo PLATFORMH=posix.h ;; esac AC_SUBST(PLATFORMOBJS) AC_LINK_FILES(include/$PLATFORMH, include/platform.h) AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED)) AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED)) AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED)) AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED)) dnl These may not be defined in a non-ANS conformant embedded system. dnl FIXME: Should these case a runtime exception in that case? AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME)) AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME)) dnl Create the subdirectory for natFileDescriptor.cc, or the attempt dnl to create the link will fail. test -d java || mkdir java test -d java/io || mkdir java/io test -d gnu || mkdir gnu AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.cc) AC_LINK_FILES(java/io/natFileDescriptor${FILE-${PLATFORM}}.cc, java/io/natFileDescriptor.cc) dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc. test -d java/lang || mkdir java/lang AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java) AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc) dnl Likewise for natInetAddress.cc, natNetworkInterface.cc, natPlainSocketImpl.cc dnl and natPlainDatagramSocketImpl.cc test -d java/net || mkdir java/net AC_LINK_FILES(java/net/natInetAddress${PLATFORMNET}.cc, java/net/natInetAddress.cc) AC_LINK_FILES(java/net/natNetworkInterface${PLATFORMNET}.cc, java/net/natNetworkInterface.cc) AC_LINK_FILES(java/net/natPlainSocketImpl${PLATFORMNET}.cc, java/net/natPlainSocketImpl.cc) AC_LINK_FILES(java/net/natPlainDatagramSocketImpl${PLATFORMNET}.cc, java/net/natPlainDatagramSocketImpl.cc) case "${host}" in *mingw*) SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32" ;; *) SYSTEMSPEC= ;; esac AC_SUBST(SYSTEMSPEC) LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs" AC_SUBST(LIBGCJTESTSPEC) AC_ARG_WITH(system-zlib, [ --with-system-zlib use installed libz]) ZLIBSPEC= AC_SUBST(ZLIBSPEC) ZLIBTESTSPEC= AC_SUBST(ZLIBTESTSPEC) AC_PATH_XTRA dnl Determine which AWT peer libraries to build AC_ARG_ENABLE(java-awt, [ --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) dnl FIXME: this should be _libs on some hosts. libsubdir=.libs dnl Allow the GC to be disabled. Can be useful when debugging. AC_MSG_CHECKING([for garbage collector to use]) AC_ARG_ENABLE(java-gc, changequote(<<,>>)dnl << --enable-java-gc=TYPE choose garbage collector [boehm]>>, changequote([,]) GC=$enableval, GC=boehm) GCLIBS= GCINCS= GCDEPS= GCOBJS= GCSPEC= JC1GCSPEC= GCTESTSPEC= case "$GC" in boehm) AC_MSG_RESULT(boehm) GCLIBS=../boehm-gc/libgcjgc_convenience.la GCINCS='-I$(top_srcdir)/../boehm-gc/include' JC1GCSPEC='-fuse-boehm-gc' GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs" dnl We also want to pick up some cpp flags required when including dnl boehm-config.h. Yuck. GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`" GCOBJS=boehm.lo GCHDR=boehm-gc.h dnl The POSIX thread support needs to know this. AC_DEFINE(HAVE_BOEHM_GC) ;; no) AC_MSG_RESULT(none) GCOBJS=nogc.lo GCHDR=no-gc.h ;; *) AC_MSG_ERROR(unrecognized collector \"$GC\") ;; esac AC_SUBST(GCLIBS) AC_SUBST(GCINCS) AC_SUBST(GCDEPS) AC_SUBST(GCOBJS) AC_SUBST(GCSPEC) AC_SUBST(JC1GCSPEC) AC_SUBST(GCTESTSPEC) AC_LINK_FILES(include/$GCHDR, include/java-gc.h) 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) ;; 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 THREADLDFLAGS= THREADLIBS= THREADINCS= THREADDEPS= THREADOBJS= THREADH= THREADSPEC= case "$THREADS" in posix) case "$host" in *-*-cygwin*) # Don't set THREADLIBS here. Cygwin doesn't have -lpthread. ;; changequote(<<,>>) *-*-freebsd[1234]*) changequote([,]) # 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: %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 ;; *) THREADLIBS=-lpthread THREADSPEC=-lpthread ;; esac THREADOBJS=posix-threads.lo 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) # If we're using the Boehm GC, then we happen to know that it # defines _REENTRANT, so we don't bother. Eww. if test "$GC" != boehm; then AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads]) fi AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads]) ;; win32) THREADOBJS=win32-threads.lo THREADH=win32-threads.h ;; none) THREADOBJS=no-threads.lo THREADH=no-threads.h ;; esac AC_LINK_FILES(include/$THREADH, include/java-threads.h) AC_SUBST(THREADLIBS) AC_SUBST(THREADINCS) AC_SUBST(THREADDEPS) AC_SUBST(THREADOBJS) AC_SUBST(THREADSPEC) AC_SUBST(THREADLDFLAGS) if test -d sysdep; then true; else mkdir sysdep; fi AC_LINK_FILES(sysdep/$sysdeps_dir/locks.h, sysdep/locks.h) HASH_SYNC_SPEC= # Hash synchronization is only useful with posix threads right now. if test "$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) CANADIAN=no NULL_TARGET=no NATIVE=yes # We're in the tree with gcc, and need to include some of its headers. GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc' # Figure out where generated headers like libgcj-config.h get installed. changequote(,)dnl gcc_version_trigger=${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='$(libdir)/gcc-lib/$(target_alias)/'${gcc_version}/include changequote([,])dnl AC_SUBST(tool_include_dir) AC_SUBST(gcc_version) if test "x${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) AC_DEFINE(HAVE_MEMCPY) AC_DEFINE(HAVE_STRERROR) AC_DEFINE(HAVE_TIME) AC_DEFINE(HAVE_GMTIME_R) AC_DEFINE(HAVE_LOCALTIME_R) dnl This is only for POSIX threads. AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT) dnl We also assume we are using gcc, which provides alloca. AC_DEFINE(HAVE_ALLOCA) dnl Assume we do not have getuid and friends. AC_DEFINE(NO_GETUID) # If Canadian cross, then don't pick up tools from the build # directory. if test x"$build" != x"$with_cross_host" \ && test x"$build" != x"$target"; then CANADIAN=yes GCC_UNWIND_INCLUDE= GCJ="${target_alias}-gcj" fi NATIVE=no PLATFORMNET=NoNet else AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir) AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd) AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod) AC_CHECK_FUNCS(nl_langinfo setlocale) AC_CHECK_FUNCS(inet_aton inet_addr, break) AC_CHECK_FUNCS(inet_pton uname inet_ntoa) AC_CHECK_FUNCS(fork execvp pipe sigaction ftruncate) AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h) AC_CHECK_FUNC(backtrace, [ case "$host" in ia64-*-linux*) # Has broken backtrace() ;; *) AC_DEFINE(HAVE_BACKTRACE) ;; esac ], [ case "$host" in *mingw*) # Has backtrace() defined in libgcj itself AC_DEFINE(HAVE_BACKTRACE) ;; esac ]) AC_CHECK_LIB(dl, dladdr, [ AC_DEFINE(HAVE_DLADDR)]) if test x"$build" = x"$host"; then AC_CHECK_FILES(/proc/self/exe, [ AC_DEFINE(HAVE_PROC_SELF_EXE)]) else case $host in *-linux*) AC_DEFINE(HAVE_PROC_SELF_EXE) ;; esac fi AM_ICONV AM_LC_MESSAGES AC_STRUCT_TIMEZONE AC_CHECK_FUNCS(gethostbyname_r, [ AC_DEFINE(HAVE_GETHOSTBYNAME_R) # 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)]) case " $GCINCS " in *" -D_REENTRANT "*) ;; *) dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT], [libjava_cv_gethostbyname_r_needs_reentrant], [ AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_TRY_COMPILE([#include ], [gethostbyname_r("", 0, 0);], [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl CPPFLAGS_SAVE="$CPPFLAGS" CPPFLAGS="$CPPFLAGS -D_REENTRANT" AC_TRY_COMPILE([#include ], [gethostbyname_r("", 0, 0);], [libjava_cv_gethostbyname_r_needs_reentrant=yes], [libjava_cv_gethostbyname_r_needs_reentrant=fail]) CPPFLAGS="$CPPFLAGS_SAVE" ]) AC_LANG_RESTORE ]) if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads]) fi ;; esac AC_CACHE_CHECK([for struct hostent_data], [libjava_cv_struct_hostent_data], [dnl AC_TRY_COMPILE([ #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT) # define _REENTRANT 1 #endif #include ], [struct hostent_data data;], [libjava_cv_struct_hostent_data=yes], [libjava_cv_struct_hostent_data=no])]) if test "x$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) # 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)])])]) AC_CHECK_FUNCS(gethostname, [ AC_DEFINE(HAVE_GETHOSTNAME) AC_EGREP_HEADER(gethostname, unistd.h, [ AC_DEFINE(HAVE_GETHOSTNAME_DECL)])]) AC_CHECK_FUNCS(usleep, [ AC_EGREP_HEADER(usleep, unistd.h, [ AC_DEFINE(HAVE_USLEEP_DECL)])]) # 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_TRY_COMPILE([#include ], [ extern pthread_mutex_t *mutex; int q = mutex->m_count; ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [ AC_TRY_COMPILE([#include ], [ extern pthread_mutex_t *mutex; int q = mutex->__m_count; ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))]) 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 "$use_gtk_awt" = yes; then AM_PATH_GTK_2_0(2.0.0,,exit 1) AM_PATH_GLIB_2_0(2.0.0,,exit 1,gthread) dnl XXX Fix me when libart.m4 has the compile test fixed! enable_libarttest=no AM_PATH_LIBART(2.1.0,,exit 1) fi # On Solaris, and maybe other architectures, the Boehm collector # requires -ldl. if test "$GC" = boehm; then AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl") fi if test -z "${with_multisubdir}"; then builddotdot=. else changequote(<<,>>) builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'` changequote([,]) fi if test -x "${builddotdot}/../../gcc/gcj"; then dir="`cd ${builddotdot}/../../gcc && ${PWDCMD-pwd}`" GCJ="$dir/gcj -B`${PWDCMD-pwd}`/ -B$dir/" else CANADIAN=yes NULL_TARGET=yes GCJ="gcj -B`${PWDCMD-pwd}`/" fi fi # Create it, so that compile/link tests don't fail test -f libgcj.spec || touch libgcj.spec # We must search the source tree for java.lang, since we still don't # have libgcj.jar nor java/lang/*.class GCJ_SAVE_CPPFLAGS=$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,' \ < $srcdir/gnu/classpath/Configuration.java.in \ > gnu/classpath/Configuration.java # We do not want to redirect the output of the grep below to /dev/null, # but we add /dev/null to the input list so that grep will print the # filename of Configuration.java in case it finds any matches. if grep @ gnu/classpath/Configuration.java /dev/null; then AC_MSG_ERROR([configure.in is missing the substitutions above]) fi fi LT_AC_PROG_GCJ CPPFLAGS=$GCJ_SAVE_CPPFLAGS AC_COMPILE_CHECK_SIZEOF(void *) 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="$ZLIBSPEC" fi AC_SUBST(ZLIBS) AC_SUBST(SYS_ZLIBS) AC_SUBST(ZINCS) AC_SUBST(DIVIDESPEC) AC_SUBST(CHECKREFSPEC) AC_SUBST(EXCEPTIONSPEC) AC_SUBST(IEEESPEC) AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes) AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes) AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes) AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes) AC_SUBST(GCC_UNWIND_INCLUDE) if test -n "$with_cross_host" && test x"$with_cross_host" != x"no"; then toolexecdir='$(exec_prefix)/$(target_alias)' toolexecmainlibdir='$(toolexecdir)/lib' else toolexecdir='$(libdir)/gcc-lib/$(target_alias)' 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 AC_SUBST(toolexecdir) AC_SUBST(toolexecmainlibdir) AC_SUBST(toolexeclibdir) # Determine gcj version number. changequote(<<,>>) gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'` changequote([,]) GCJVERSION=$gcjversion AC_SUBST(GCJVERSION) AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID]) dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000. AC_MSG_CHECKING([for g++ -ffloat-store bug]) save_CFLAGS="$CFLAGS" CFLAGS="-x c++ -O2 -ffloat-store" AC_TRY_COMPILE([#include ], , [AC_MSG_RESULT(no)], [AC_DEFINE(__NO_MATH_INLINES) AC_MSG_RESULT(yes)]) CFLAGS="$save_CFLAGS" dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there. dnl On that system, sys/ioctl.h will not include sys/filio.h unless dnl 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) dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h dnl 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_TRY_COMPILE([#include #if STDC_HEADERS #include #include #endif #if HAVE_NETINET_IN_H #include #endif], [in_addr_t foo;], [AC_DEFINE([HAVE_IN_ADDR_T]) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)]) AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h]) AC_TRY_COMPILE([#include ], [struct ip_mreq mreq;], [AC_DEFINE(HAVE_STRUCT_IP_MREQ) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)]) AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h]) AC_TRY_COMPILE([#include ], [struct ipv6_mreq mreq6;], [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)]) AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h]) AC_TRY_COMPILE([#include ], [struct sockaddr_in6 addr6;], [AC_DEFINE(HAVE_INET6) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)]) AC_MSG_CHECKING([for socklen_t in sys/socket.h]) AC_TRY_COMPILE([#define _POSIX_PII_SOCKET #include #include ], [socklen_t x = 5;], [AC_DEFINE(HAVE_SOCKLEN_T) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)]) AC_MSG_CHECKING([for tm_gmtoff in struct tm]) AC_TRY_COMPILE([#include ], [struct tm tim; tim.tm_gmtoff = 0;], [AC_DEFINE(STRUCT_TM_HAS_GMTOFF) 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_TRY_COMPILE([#include ], [void i(){long z2 = 2*timezone;}], [AC_DEFINE(HAVE_TIMEZONE) 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_TRY_COMPILE([#include ], [long z2 = _timezone;], [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)])])]) AC_FUNC_ALLOCA AC_FUNC_MMAP AC_CHECK_PROGS(PERL, perl, false) SYSDEP_SOURCES= 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 # ;; 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 ;; sparc*-*-linux*) SIGNAL_HANDLER=include/dwarf2-signal.h ;; sh-*-linux* | sh[[34]]*-*-linux*) SIGNAL_HANDLER=include/dwarf2-signal.h ;; *mingw*) SIGNAL_HANDLER=include/win32-signal.h ;; *) SIGNAL_HANDLER=include/default-signal.h ;; esac # If we're using sjlj exceptions, forget what we just learned. if test "$enable_sjlj_exceptions" = yes; then SIGNAL_HANDLER=include/default-signal.h fi # Define here any compiler flags that you need in order to make backtrace() work. BACKTRACESPEC= case "${host}" in x86_64*-*-linux*) BACKTRACESPEC=-fno-omit-frame-pointer ;; esac AC_SUBST(BACKTRACESPEC) AC_SUBST(SYSDEP_SOURCES) AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h) if test "${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_OUTPUT(Makefile libgcj.pc libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile, [# 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 . ${libgcj_basedir}/../config-ml.in ;; esac # Make subdirectories and `.d' files. Look in both srcdir and # builddir for the .java files. h=`${PWDCMD-pwd}` : > deps.mk ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) ; find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) | \ fgrep -v testsuite | \ sed -e 's/\.java/.d/'\;'s/\.cc/.d/'\;'s/\.c/.d/' | \ while read f; do echo "include $f" >> deps.mk test -f $f || { changequote(<<,>>) d=`echo $f | sed -e 's,/[^/]*$,,'` changequote([,]) if test ! -d $d; then $libgcj_basedir/../mkinstalldirs $d fi; echo > $f } done ], srcdir=${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}" )