7deae97af8
* configure.in: Disable hash sync when not using threads.
* configure: Regenerated.
From-SVN: r58641
1031 lines
31 KiB
Plaintext
1031 lines
31 KiB
Plaintext
dnl Process this with autoconf to create configure
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AC_INIT(java/lang/System.java)
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# This works around the fact that libtool configuration may change LD
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# for this particular configuration, but some shells, instead of
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# keeping the changes in LD private, export them just because LD is
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# exported.
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ORIGINAL_LD_FOR_MULTILIBS=$LD
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AC_PROG_LN_S
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dnl We use these options to decide which functions to include.
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AC_ARG_WITH(target-subdir,
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[ --with-target-subdir=SUBDIR
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configuring in a subdirectory])
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AC_ARG_WITH(cross-host,
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[ --with-cross-host=HOST configuring with a cross compiler])
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AC_ARG_WITH(newlib,
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[ --with-newlib Configuring with newlib])
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LIBGCJ_CONFIGURE(.)
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AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
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# Only use libltdl for native builds.
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if test -z "${with_cross_host}"; then
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AC_LIBLTDL_CONVENIENCE
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AC_LIBTOOL_DLOPEN
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DIRLTDL=libltdl
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AC_DEFINE(USE_LTDL)
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# Sigh. Libtool's macro doesn't do the right thing.
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INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
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# FIXME: this is a hack.
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sub_auxdir="`cd $ac_aux_dir && ${PWDCMD-pwd}`"
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ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
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fi
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AC_SUBST(INCLTDL)
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AC_SUBST(LIBLTDL)
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AC_SUBST(DIRLTDL)
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AM_PROG_LIBTOOL
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AC_CONFIG_SUBDIRS($DIRLTDL)
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if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
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COMPPATH=.
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else
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COMPPATH=..
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fi
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AC_SUBST(COMPPATH)
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dnl The -no-testsuite modules omit the test subdir.
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AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
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dnl Should the runtime set system properties by examining the
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dnl environment variable GCJ_PROPERTIES?
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AC_ARG_ENABLE(getenv-properties,
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[ --disable-getenv-properties
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don't set system properties from GCJ_PROPERTIES])
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dnl Whether GCJ_PROPERTIES is used depends on the target.
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if test -z "$enable_getenv_properties"; then
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enable_getenv_properties=${enable_getenv_properties_default-yes}
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fi
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if test "$enable_getenv_properties" = no; then
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AC_DEFINE(DISABLE_GETENV_PROPERTIES)
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fi
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dnl Whether we should use arguments to main()
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if test -z "$enable_main_args"; then
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enable_main_args=${enable_main_args_default-yes}
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fi
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if test "$enable_main_args" = no; then
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AC_DEFINE(DISABLE_MAIN_ARGS)
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fi
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dnl Should we use hashtable-based synchronization?
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dnl Currently works only for Linux X86/ia64
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dnl Typically faster and more space-efficient
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AC_ARG_ENABLE(hash-synchronization,
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[ --enable-hash-synchronization
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Use global hash table for monitor locks])
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if test -z "$enable_hash_synchronization"; then
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enable_hash_synchronization=$enable_hash_synchronization_default
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fi
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dnl configure.host sets slow_pthread_self if the synchronization code should
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dnl try to avoid pthread_self calls by caching thread IDs in a hashtable.
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if test "${slow_pthread_self}" = "yes"; then
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AC_DEFINE(SLOW_PTHREAD_SELF)
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fi
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dnl See if the user has requested runtime debugging.
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LIBGCJDEBUG="false"
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AC_SUBST(LIBGCJDEBUG)
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AC_ARG_ENABLE(libgcj-debug,
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[ --enable-libgcj-debug enable runtime debugging code],
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if test "$enable_libgcj_debug" = yes; then
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AC_DEFINE(DEBUG)
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LIBGCJDEBUG="true"
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fi)
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dnl See if the user has the interpreter included.
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AC_ARG_ENABLE(interpreter,
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[ --enable-interpreter enable interpreter],
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if test "$enable_interpreter" = yes; then
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# This can also be set in configure.host.
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libgcj_interpreter=yes
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elif test "$enable_interpreter" = no; then
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libgcj_interpreter=no
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fi)
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if test "$libgcj_interpreter" = yes; then
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AC_DEFINE(INTERPRETER)
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fi
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INTERPRETER="$libgcj_interpreter"
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AC_SUBST(INTERPRETER)
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AC_MSG_CHECKING([for exception model to use])
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_ARG_ENABLE(sjlj-exceptions,
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[ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
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[:],
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[dnl Botheration. Now we've got to detect the exception model.
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dnl Link tests against libgcc.a are problematic since -- at least
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dnl as of this writing -- we've not been given proper -L bits for
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dnl single-tree newlib and libgloss.
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dnl
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dnl This is what AC_TRY_COMPILE would do if it didn't delete the
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dnl conftest files before we got a change to grep them first.
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cat > conftest.$ac_ext << EOF
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[#]line __oline__ "configure"
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struct S { ~S(); };
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void bar();
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void foo()
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{
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S s;
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bar();
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}
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EOF
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old_CXXFLAGS="$CXXFLAGS"
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CXXFLAGS=-S
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if AC_TRY_EVAL(ac_compile); then
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if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
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enable_sjlj_exceptions=yes
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elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
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enable_sjlj_exceptions=no
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fi
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fi
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CXXFLAGS="$old_CXXFLAGS"
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rm -f conftest*])
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if test x$enable_sjlj_exceptions = xyes; then
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AC_DEFINE(SJLJ_EXCEPTIONS, 1,
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[Define if the compiler is configured for setjmp/longjmp exceptions.])
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ac_exception_model_name=sjlj
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elif test x$enable_sjlj_exceptions = xno; then
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ac_exception_model_name="call frame"
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else
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AC_MSG_ERROR([unable to detect exception model])
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fi
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AC_LANG_RESTORE
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AC_MSG_RESULT($ac_exception_model_name)
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# If we are non using SJLJ exceptions, and this host does not have support
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# for unwinding from a signal handler, enable checked dereferences and divides.
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if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then
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CHECKREFSPEC=-fcheck-references
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DIVIDESPEC=-fuse-divide-subroutine
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EXCEPTIONSPEC=
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fi
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dnl See if the user wants to disable java.net. This is the mildly
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dnl ugly way that we admit that target-side configuration sucks.
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AC_ARG_ENABLE(java-net,
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[ --disable-java-net disable java.net])
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dnl Whether java.net is built by default can depend on the target.
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if test -z "$enable_java_net"; then
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enable_java_net=${enable_java_net_default-yes}
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fi
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if test "$enable_java_net" = no; then
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AC_DEFINE(DISABLE_JAVA_NET)
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fi
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dnl See if the user wants to configure without libffi. Some
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dnl architectures don't support it, and default values are set in
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dnl configure.host.
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AC_ARG_WITH(libffi,
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[ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
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LIBFFI=
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LIBFFIINCS=
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if test "$with_libffi" != no; then
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AC_DEFINE(USE_LIBFFI)
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LIBFFI=../libffi/libffi_convenience.la
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LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I../libffi/include'
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fi
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AC_SUBST(LIBFFI)
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AC_SUBST(LIBFFIINCS)
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dnl See if the user wants to disable JVMPI support.
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AC_ARG_ENABLE(jvmpi,
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[ --disable-jvmpi disable JVMPI support])
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if test "$enable_jvmpi" != no; then
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AC_DEFINE(ENABLE_JVMPI)
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fi
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dnl If the target is an eCos system, use the appropriate eCos
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dnl I/O routines.
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dnl FIXME: this should not be a local option but a global target
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dnl system; at present there is no eCos target.
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TARGET_ECOS=${PROCESS-"no"}
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AC_ARG_WITH(ecos,
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[ --with-ecos enable runtime eCos target support],
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TARGET_ECOS="$with_ecos"
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)
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PLATFORMOBJS=
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case "$TARGET_ECOS" in
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no) case "$host" in
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*mingw*)
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PLATFORM=Win32
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PLATFORMOBJS=win32.lo
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PLATFORMH=win32.h
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CHECK_FOR_BROKEN_MINGW_LD
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;;
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*)
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PLATFORM=Posix
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PLATFORMOBJS=posix.lo
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PLATFORMH=posix.h
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;;
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esac
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;;
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*)
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PLATFORM=Ecos
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AC_DEFINE(ECOS)
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PLATFORMOBJS=posix.lo
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PLATFORMH=posix.h
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;;
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esac
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AC_SUBST(PLATFORMOBJS)
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AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
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AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
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AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
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AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
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AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
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dnl These may not be defined in a non-ANS conformant embedded system.
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dnl FIXME: Should these case a runtime exception in that case?
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AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
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AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
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dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
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dnl to create the link will fail.
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test -d java || mkdir java
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test -d java/io || mkdir java/io
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test -d gnu || mkdir gnu
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AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.cc)
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AC_LINK_FILES(java/io/natFileDescriptor${FILE-${PLATFORM}}.cc, java/io/natFileDescriptor.cc)
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dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
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test -d java/lang || mkdir java/lang
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AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
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AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
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case "${host}" in
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*mingw*)
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SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
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;;
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*)
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SYSTEMSPEC=
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;;
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esac
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AC_SUBST(SYSTEMSPEC)
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LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
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AC_SUBST(LIBGCJTESTSPEC)
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AC_ARG_WITH(system-zlib,
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[ --with-system-zlib use installed libz])
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ZLIBSPEC=
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AC_SUBST(ZLIBSPEC)
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ZLIBTESTSPEC=
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AC_SUBST(ZLIBTESTSPEC)
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dnl FIXME: this should be _libs on some hosts.
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libsubdir=.libs
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dnl Allow the GC to be disabled. Can be useful when debugging.
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AC_MSG_CHECKING([for garbage collector to use])
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AC_ARG_ENABLE(java-gc,
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changequote(<<,>>)dnl
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<< --enable-java-gc=TYPE choose garbage collector [boehm]>>,
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changequote([,])
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GC=$enableval,
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GC=boehm)
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GCLIBS=
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GCINCS=
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GCDEPS=
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GCOBJS=
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GCSPEC=
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JC1GCSPEC=
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GCTESTSPEC=
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case "$GC" in
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boehm)
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AC_MSG_RESULT(boehm)
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GCLIBS=../boehm-gc/libgcjgc_convenience.la
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GCINCS='-I$(top_srcdir)/../boehm-gc/include'
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JC1GCSPEC='-fuse-boehm-gc'
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GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"
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dnl We also want to pick up some cpp flags required when including
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dnl boehm-config.h. Yuck.
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GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
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GCOBJS=boehm.lo
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GCHDR=boehm-gc.h
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dnl The POSIX thread support needs to know this.
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AC_DEFINE(HAVE_BOEHM_GC)
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;;
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no)
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AC_MSG_RESULT(none)
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GCOBJS=nogc.lo
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GCHDR=no-gc.h
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;;
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*)
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AC_MSG_ERROR(unrecognized collector \"$GC\")
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;;
|
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esac
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AC_SUBST(GCLIBS)
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AC_SUBST(GCINCS)
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AC_SUBST(GCDEPS)
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AC_SUBST(GCOBJS)
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AC_SUBST(GCSPEC)
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AC_SUBST(JC1GCSPEC)
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AC_SUBST(GCTESTSPEC)
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AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
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|
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AC_MSG_CHECKING([for thread model used by GCC])
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THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
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AC_MSG_RESULT([$THREADS])
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case "$THREADS" in
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no | none | single)
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THREADS=none
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;;
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posix | pthreads)
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THREADS=posix
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case "$host" in
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*-*-linux*)
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AC_DEFINE(LINUX_THREADS)
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;;
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esac
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;;
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win32)
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;;
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decosf1 | irix | mach | os2 | solaris | dce | vxworks)
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AC_MSG_ERROR(thread package $THREADS not yet supported)
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;;
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*)
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AC_MSG_ERROR($THREADS is an unknown thread package)
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;;
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|
esac
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|
|
|
THREADLDFLAGS=
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THREADLIBS=
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THREADINCS=
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THREADDEPS=
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THREADOBJS=
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|
THREADH=
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THREADSPEC=
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case "$THREADS" in
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posix)
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|
case "$host" in
|
|
*-*-cygwin*)
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|
# Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
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|
;;
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|
changequote(<<,>>)
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|
*-*-freebsd[1234]*)
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|
changequote([,])
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|
# 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
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|
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 "$GC" != boehm; then
|
|
AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
|
|
fi
|
|
AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
|
|
;;
|
|
|
|
win32)
|
|
THREADOBJS=win32-threads.lo
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|
THREADH=win32-threads.h
|
|
;;
|
|
|
|
none)
|
|
THREADOBJS=no-threads.lo
|
|
THREADH=no-threads.h
|
|
;;
|
|
esac
|
|
AC_LINK_FILES(include/$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="${target_alias}-gcj"
|
|
fi
|
|
NATIVE=no
|
|
else
|
|
AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
|
|
AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
|
|
AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
|
|
AC_CHECK_FUNCS(nl_langinfo setlocale)
|
|
AC_CHECK_FUNCS(inet_aton inet_addr, break)
|
|
AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
|
|
AC_CHECK_FUNCS(fork execvp pipe sigaction ftruncate)
|
|
AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
|
|
AC_CHECK_FUNC(backtrace, [
|
|
case "$host" in
|
|
ia64-*-linux*)
|
|
# Has broken backtrace()
|
|
;;
|
|
s390*-*-linux*)
|
|
# Has broken backtrace()
|
|
;;
|
|
*)
|
|
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 " $GCINCS " in
|
|
*" -D_REENTRANT "*) ;;
|
|
*)
|
|
dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
|
|
AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
|
|
[libjava_cv_gethostbyname_r_needs_reentrant],
|
|
[ AC_LANG_SAVE
|
|
AC_LANG_CPLUSPLUS
|
|
AC_TRY_COMPILE([#include <netdb.h>],
|
|
[gethostbyname_r("", 0, 0);],
|
|
[libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
|
|
CPPFLAGS_SAVE="$CPPFLAGS"
|
|
CPPFLAGS="$CPPFLAGS -D_REENTRANT"
|
|
AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
|
|
[libjava_cv_gethostbyname_r_needs_reentrant=yes],
|
|
[libjava_cv_gethostbyname_r_needs_reentrant=fail])
|
|
CPPFLAGS="$CPPFLAGS_SAVE"
|
|
])
|
|
AC_LANG_RESTORE
|
|
])
|
|
if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
|
|
AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
AC_CACHE_CHECK([for struct hostent_data],
|
|
[libjava_cv_struct_hostent_data], [dnl
|
|
AC_TRY_COMPILE([
|
|
#if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
|
|
# define _REENTRANT 1
|
|
#endif
|
|
#include <netdb.h>], [struct hostent_data data;],
|
|
[libjava_cv_struct_hostent_data=yes],
|
|
[libjava_cv_struct_hostent_data=no])])
|
|
if test "x$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)])])
|
|
|
|
# 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 <pthread.h>], [
|
|
extern pthread_mutex_t *mutex; int q = mutex->m_count;
|
|
], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
|
|
AC_TRY_COMPILE([#include <pthread.h>], [
|
|
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
|
|
|
|
# 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 && ${PWDCMD-pwd}`"
|
|
|
|
# Since some classes depend on this one, we need its source available
|
|
# before we can do any GCJ compilation test :-(
|
|
if test ! -f gnu/classpath/Configuration.java; then
|
|
test -d gnu || mkdir gnu
|
|
test -d gnu/classpath || mkdir gnu/classpath
|
|
sed 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
|
|
< $srcdir/gnu/classpath/Configuration.java.in \
|
|
> gnu/classpath/Configuration.java
|
|
# We do not want to redirect the output of the grep below to /dev/null,
|
|
# but we add /dev/null to the input list so that grep will print the
|
|
# filename of Configuration.java in case it finds any matches.
|
|
if grep @ gnu/classpath/Configuration.java /dev/null; then
|
|
AC_MSG_ERROR([configure.in is missing the substitutions above])
|
|
fi
|
|
fi
|
|
|
|
LT_AC_PROG_GCJ
|
|
|
|
CPPFLAGS=$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="$ZLIBSPEC"
|
|
fi
|
|
AC_SUBST(ZLIBS)
|
|
AC_SUBST(SYS_ZLIBS)
|
|
AC_SUBST(ZINCS)
|
|
AC_SUBST(DIVIDESPEC)
|
|
AC_SUBST(CHECKREFSPEC)
|
|
AC_SUBST(EXCEPTIONSPEC)
|
|
|
|
AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
|
|
AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
|
|
AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
|
|
AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
|
|
AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
|
|
AC_SUBST(GCC_UNWIND_INCLUDE)
|
|
|
|
# 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 <math.h>], ,
|
|
[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 <inttypes.h> is available])
|
|
AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
|
|
])
|
|
AC_HEADER_SYS_WAIT
|
|
|
|
AC_CHECK_TYPE([ssize_t], [int])
|
|
|
|
AC_MSG_CHECKING([for in_addr_t])
|
|
AC_TRY_COMPILE([#include <sys/types.h>
|
|
#if STDC_HEADERS
|
|
#include <stdlib.h>
|
|
#include <stddef.h>
|
|
#endif
|
|
#if HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#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 <netinet/in.h>], [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 <netinet/in.h>], [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 <netinet/in.h>], [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 <sys/types.h>
|
|
#include <sys/socket.h>], [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 <time.h>], [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 <time.h>], [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 <time.h>], [long z2 = _timezone;],
|
|
[AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)])])])
|
|
|
|
AC_FUNC_ALLOCA
|
|
|
|
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/dwarf2-signal.h
|
|
;;
|
|
alpha*-*-linux*)
|
|
SIGNAL_HANDLER=include/dwarf2-signal.h
|
|
;;
|
|
s390*-*-linux*)
|
|
SIGNAL_HANDLER=include/s390-signal.h
|
|
;;
|
|
x86_64*-*-linux*)
|
|
SIGNAL_HANDLER=include/dwarf2-signal.h
|
|
;;
|
|
sparc*-*-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 "$enable_sjlj_exceptions" = yes; then
|
|
SIGNAL_HANDLER=include/default-signal.h
|
|
fi
|
|
|
|
AC_SUBST(SYSDEP_SOURCES)
|
|
|
|
AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
|
|
|
|
if test "${multilib}" = "yes"; then
|
|
multilib_arg="--enable-multilib"
|
|
else
|
|
multilib_arg=
|
|
fi
|
|
|
|
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=""
|
|
|
|
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"
|
|
fi
|
|
;;
|
|
gtk)
|
|
# Nothing, yet...
|
|
;;
|
|
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 "$use_gtk_awt" = yes)
|
|
|
|
|
|
here=`${PWDCMD-pwd}`
|
|
AC_SUBST(here)
|
|
|
|
# We get this from the environment.
|
|
AC_SUBST(GCJFLAGS)
|
|
|
|
AC_OUTPUT(Makefile 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 . \( -name '*.java' -o -name '*.cc' \) -print) ;
|
|
find . \( -name '*.java' -o -name '*.cc' \) -print) | \
|
|
fgrep -v testsuite | \
|
|
sed -e 's/\.java/.d/'\;'s/\.cc/.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}"
|
|
)
|