forked from illumos/gcc
/
configure.ac
2045 lines (1823 loc) · 65.9 KB
/
configure.ac
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dnl # Process this with autoconf to create configure
AC_PREREQ(2.64)
# Still use "libjava" here to placate dejagnu.
AC_INIT([libjava], [version-unused],, [libjava])
AC_CONFIG_SRCDIR(java/lang/System.java)
GCC_TOPLEV_SUBDIRS
# 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
# Find the rest of the source tree framework.
AM_ENABLE_MULTILIB(, ..)
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]
)
AC_ARG_ENABLE(browser-plugin,
AS_HELP_STRING([--enable-browser-plugin],
[build gcjwebplugin web browser plugin]),
[case "$enableval" in
yes) browser_plugin_enabled=yes ;;
no) browser_plugin_enabled=no ;;
*) AC_MSG_ERROR([Unknown argument to enable/disable browser plugin]);;
esac],
[browser_plugin_enabled=no]
)
AC_ARG_ENABLE(gconf-peer,
AS_HELP_STRING([--enable-gconf-peer],
[compile GConf native peers for util.preferences]),
[case "$enableval" in
yes) gconf_enabled=yes ;;
no) gconf_enabled=no ;;
*) AC_MSG_ERROR([Unknown argument to enable/disable gconf-peer]);;
esac],
[gconf_enabled=no]
)
AC_ARG_WITH([antlr-jar],
[AS_HELP_STRING([--with-antlr-jar=file],[Use ANTLR from the specified jar file])],
[
ANTLR_JAR=$withval
],
[
ANTLR_JAR=
])
AC_MSG_CHECKING([for antlr.jar])
if test "x$ANTLR_JAR" = x; then
for antlr_lib_home in `ls -d /usr/local/share/antlr* 2> /dev/null` \
/usr/share/antlr/lib /usr/share/java /usr/lib;
do
if test -f "$antlr_lib_home/antlr.jar"; then
# FIXME: version check for antlr needed without using a VM
ANTLR_JAR="$antlr_lib_home/antlr.jar"
break
fi
done
if test "x$ANTLR_JAR" = x; then
AC_MSG_RESULT([not found])
else
AC_MSG_RESULT($ANTLR_JAR)
fi
else
if test -f "${ANTLR_JAR}"; then
AC_MSG_RESULT($ANTLR_JAR)
else
AC_MSG_ERROR([antlr jar file not found: $ANTLR_JAR])
fi
fi
AC_SUBST(ANTLR_JAR)
AC_ARG_ENABLE([gjdoc],
[AS_HELP_STRING(--disable-gjdoc,compile GJDoc (disabled by --disable-gjdoc) [default=yes])],
[case "${enableval}" in
yes) BUILD_GJDOC=yes ;;
no) BUILD_GJDOC=no ;;
*) BUILD_GJDOC=yes ;;
esac],
[BUILD_GJDOC=maybe])
AC_MSG_CHECKING([whether to build gjdoc])
if test "x$BUILD_GJDOC" = xmaybe; then
if test -f "${ANTLR_JAR}"; then
BUILD_GJDOC=yes
AC_MSG_RESULT(yes)
else
BUILD_GJDOC=no
AC_MSG_RESULT([no, antlr.jar not found])
fi
else
AC_MSG_RESULT($BUILD_GJDOC)
fi
AM_CONDITIONAL(CREATE_GJDOC, test "x${BUILD_GJDOC}" = xyes)
AC_ARG_ENABLE(java-maintainer-mode,
AS_HELP_STRING([--enable-java-maintainer-mode],
[allow rebuilding of .class and .h files]))
AM_CONDITIONAL(JAVA_MAINTAINER_MODE, test "$enable_java_maintainer_mode" = yes)
# It may not be safe to run linking tests in AC_PROG_CC/AC_PROG_CXX.
GCC_NO_EXECUTABLES
# For libstdc++-v3, -fno-builtin must be present here so that a
# non-conflicting form of std::exit can be guessed by AC_PROG_CXX, and
# used in later tests. This may not be necessary in libjava; I don't know.
save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -fno-builtin"
AC_PROG_CC
AC_PROG_CXX
CXXFLAGS="$save_CXXFLAGS"
AM_INIT_AUTOMAKE([no-dist 1.9.0])
AC_CHECK_TOOL(AS, as)
AC_CHECK_TOOL(LD, ld)
AC_CHECK_TOOL(AR, ar)
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(DLLTOOL, dlltool, :)
AC_PROG_AWK
AC_CHECK_PROGS([JAR], [jar fastjar gjar], no)
AC_PATH_PROG([ZIP], [zip], no)
AC_PATH_PROG([UNZIP], [unzip], unzip)
# We need a jar that supports -@. This is a GNU extension.
if test "$JAR" != no; then
rm -f config-test.jar
echo $srcdir/configure.ac | $JAR -cf@ config-test.jar
if test -f config-test.jar; then
rm -f config-test.jar
else
JAR=no
fi
fi
# Prefer the jar we found, but fall back to our jar script.
if test "$JAR" = no; then
if test "$ZIP" = no; then
AC_MSG_ERROR([cannot find neither zip nor jar, cannot continue])
else
# InfoZIP available, use the 'guaranteed' Bourne-shell JAR to build libjava
JAR=`pwd`/scripts/jar
fi
fi
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_sublib_ltflags - host specific Libtool flags
# libgcj_sublib_core_extra_deps - host specific extra
# dependencies for core sublib
# (these last two only used when building sublibs)
# and a number of others; see the list at the start of the file.
libgcj_cflags=
libgcj_cxxflags=
libgcj_javaflags=
libgcj_sublib_ltflags=
libgcj_sublib_core_extra_deps=
. ${srcdir}/configure.host
ACX_PROG_LD_GNU_SYMBOLIC
libgcj_ld_symbolic_functions=$SYMBOLIC_LDFLAGS
if test -z "$libgcj_ld_symbolic"; then
libgcj_ld_symbolic=$SYMBOLIC_LDFLAGS
fi
LIBGCJ_CFLAGS="${libgcj_cflags}"
LIBGCJ_CXXFLAGS="${libgcj_cxxflags}"
LIBGCJ_JAVAFLAGS="${libgcj_javaflags}"
LIBGCJ_SUBLIB_LTFLAGS="${libgcj_sublib_ltflags}"
LIBGCJ_SUBLIB_CORE_EXTRA_DEPS="${libgcj_sublib_core_extra_deps}"
LIBGCJ_LD_SYMBOLIC="${libgcj_ld_symbolic}"
LIBGCJ_LD_SYMBOLIC_FUNCTIONS="${libgcj_ld_symbolic_functions}"
AC_SUBST(LIBGCJ_CFLAGS)
AC_SUBST(LIBGCJ_CXXFLAGS)
AC_SUBST(LIBGCJ_JAVAFLAGS)
AC_SUBST(LIBGCJ_SUBLIB_LTFLAGS)
AC_SUBST(LIBGCJ_SUBLIB_CORE_EXTRA_DEPS)
AC_SUBST(LIBGCJ_LD_SYMBOLIC)
AC_SUBST(LIBGCJ_LD_SYMBOLIC_FUNCTIONS)
# Only use libltdl for non-newlib builds.
if test "x${with_newlib}" = "x" || test "x${with_newlib}" = "xno"; then
AC_LTDL_SHLIBPATH
fi
AC_CONFIG_HEADERS([include/config.h gcj/libgcj-config.h])
# Possibly build libgcj as many sub-libraries.
AC_ARG_ENABLE(libgcj-sublibs,
AS_HELP_STRING([--enable-libgcj-sublibs],
[build libgcj as many sub-libraries]))
if test -z "$enable_libgcj_sublibs"; then
enable_libgcj_sublibs=$enable_libgcj_sublibs_default
fi
AM_CONDITIONAL(BUILD_SUBLIBS, test "$enable_libgcj_sublibs" = yes)
if test "$enable_libgcj_sublibs" = yes ; then
# In theory we could make do with only one override and simply
# tag "_bc" onto the end of it when we use it to generate the
# spec, but that's an ugly thing to do when there are multiple
# words in the string and you're relying on the ordering to
# append the correct one.
libgcj_spec_lgcj_override="-lgcj-noncore -lgcj"
libgcj_spec_lgcj_bc_override="-lgcj-noncore -lgcj_bc"
fi
# See if the user has requested runtime debugging.
LIBGCJDEBUG="disable"
AC_SUBST(LIBGCJDEBUG)
AC_ARG_ENABLE(libgcj-debug,
AS_HELP_STRING([--enable-libgcj-debug],
[enable runtime debugging code]),
[if test "$enable_libgcj_debug" = yes; then
AC_DEFINE(__GCJ_DEBUG, 1, [Define this if you want runtime debugging enabled.])
LIBGCJDEBUG="enable"
fi])
AC_ARG_WITH([escher],
AS_HELP_STRING([--with-escher=ABS.PATH],
[specify path to escher dir or JAR for X peers]))
case "$with_escher" in
"")
use_escher=false
;;
"no")
use_escher=false
;;
"yes")
AC_MSG_ERROR([Please supply an absolute path to Escher library])
;;
*)
use_escher=true
;;
esac
# 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=""
use_qt_awt=""
use_x_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 "*** gtk peers requested but no X library available" 1>&2
exit 1
else
use_gtk_awt=yes
if test -z "$TOOLKIT"; then
TOOLKIT=gnu.java.awt.peer.gtk.GtkToolkit
fi
fi
;;
qt)
if test "$no_x" = yes; then
# Perhaps we should admit the possibility of embedded Qt.
echo "*** Qt peers requested but no X library available" 1>&2
exit 1
else
use_qt_awt=yes
if test -z "$TOOLKIT"; then
TOOLKIT=gnu.java.awt.peer.qt.QtToolkit
fi
fi
;;
x)
use_x_awt=yes
if test -z "$TOOLKIT"; then
TOOLKIT=gnu.java.awt.peer.x.XToolkit
fi
;;
no)
use_xlib_awt=
use_gtk_awt=
use_qt_awt=
use_x_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(X_AWT, test "$use_x_awt" = yes)
AC_DEFINE_UNQUOTED(AWT_TOOLKIT, "$TOOLKIT", [Name of default AWT toolkit])
expanded_prefix=$prefix
if test "X$prefix" = XNONE; then
expanded_prefix=${ac_default_prefix}
fi
AC_DEFINE_UNQUOTED(LIBGCJ_PREFIX, "$expanded_prefix", [Installation prefix])
# Create standard.omit based on decisions we just made.
cp $srcdir/standard.omit.in standard.omit
if test "$use_xlib_awt" != yes; then
echo gnu/awt/xlib >> standard.omit
echo gnu/gcj/xlib >> standard.omit
fi
if test "$use_x_awt" != yes; then
echo gnu/java/awt/peer/x >> standard.omit
fi
# Tools that need to be compiled against classpath's tools classes
: > vm-tools-packages
for package in gnu/gcj/tools/gc_analyze ; do
echo $package >> standard.omit
echo $package >> vm-tools-packages
done
if test -z "${with_multisubdir}"; then
builddotdot=.
else
builddotdot=`echo ${with_multisubdir} | sed -e 's:[[^/]][[^/]]*:..:g'`
fi
NATIVE=yes
# Which gcj and host gcj (for ecjx) do we use?
which_gcj=default
host_exeext=${ac_exeext}
GCJ_FOR_ECJX=
built_gcc_dir="`cd ${builddotdot}/../../${host_subdir}/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=
GCJ_FOR_ECJX="${with_cross_host}-gcj"
case "${with_cross_host}" in
*mingw* | *cygwin*)
cross_host_exeext=.exe
;;
esac
host_exeext=${cross_host_exeext}
if test -x "${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"$host"; then
# True native build (host=target and host=build)
which_gcj=built
else
# Crossed-native build (host=target and host!=build)
which_gcj=cross
fi
else
which_gcj=path
fi
fi
libgcjdir=`${PWDCMD-pwd}`
case $GCJ in
*" -B"*)
# Just in case there is a comma in the build dir, quote it for the
# sed command below.
case $libgcjdir in
*[[,\\]]*) qlibgcjdir=`echo "$libgcjdir" | sed 's:[[,\\]]:\\&:g'`;;
*) qlibgcjdir=$libgcjdir;;
esac
GCJ=`echo "$GCJ" | sed "s, -B, -B$qlibgcjdir/&,"`
;;
*)
GCJ=$GCJ" -B$libgcjdir/"
;;
esac
case "${which_gcj}" in
built)
GCJH='$(top_builddir)/$(MULTIBUILDTOP)../../$(host_subdir)/gcc/gcjh'
;;
cross)
if test "x${with_newlib}" = "xyes"; then
# FIXME (comment): Why is this needed?
GCC_UNWIND_INCLUDE=
fi
GCJH='$(target_noncanonical)-gcjh'
;;
path)
GCJH=gcjh
;;
esac
JAVAC="$GCJ -C"
export JAVAC
AC_SUBST(GCJ_FOR_ECJX)
AC_SUBST(GCJH)
AC_SUBST(host_exeext)
# Create it, so that compile/link tests don't fail
test -f libgcj.spec || touch libgcj.spec
# Set up to configure Classpath.
# FIXME: no supported way to pass args in autoconf.
# Disable tool wrappers to avoid ltdl.h configure check.
ac_configure_args="$ac_configure_args --disable-tool-wrappers"
ac_configure_args="$ac_configure_args --disable-load-library"
ac_configure_args="$ac_configure_args --${LIBGCJDEBUG}-debug"
ac_configure_args="$ac_configure_args --enable-default-toolkit=$TOOLKIT"
dir1=`cd $srcdir && pwd`
dir2=`pwd`
ac_configure_args="$ac_configure_args --with-vm-classes=$dir1:$dir2"
ac_configure_args="$ac_configure_args --disable-core-jni"
dnl FIXME?
ac_configure_args="$ac_configure_args --disable-examples"
ac_configure_args="$ac_configure_args --with-glibj=build"
if test "$browser_plugin_enabled" != yes; then
ac_configure_args="$ac_configure_args --disable-plugin"
else
ac_configure_args="$ac_configure_args --enable-plugin"
fi
if test "$gconf_enabled" != yes; then
ac_configure_args="$ac_configure_args --disable-gconf-peer"
ac_configure_args="$ac_configure_args --enable-default-preferences-peer=gnu.java.util.prefs.FileBasedFactory"
fi
if test "$use_gtk_awt" != yes; then
ac_configure_args="$ac_configure_args --disable-gtk-peer --disable-plugin"
fi
if test "$use_qt_awt" != yes; then
ac_configure_args="$ac_configure_args --disable-qt-peer"
else
# We need this as qt is disabled by default in classpath.
ac_configure_args="$ac_configure_args --enable-qt-peer"
fi
if test "$use_x_awt" != yes; then
ac_configure_args="$ac_configure_args --without-escher"
else
# We need this as escher is disabled by default in classpath.
if test "$use_escher" != true; then
AC_MSG_ERROR([Please supply an absolute path to the Escher library])
else
ac_configure_args="$ac_configure_args --with-escher=$with_escher"
fi
fi
if test "x$BUILD_GJDOC" = xno; then
ac_configure_args="$ac_configure_args --disable-gjdoc"
fi
# -Werror causes unavoidable problems in code using alsa.
ac_configure_args="$ac_configure_args --disable-regen-headers"
ac_configure_args="$ac_configure_args --disable-Werror"
dnl --with-gcj=$GCJ
dnl --with-javah=$GCJH
dnl gtk-cairo -- just export here...
dnl --enable-regen-headers?
# Only use libltdl for non-newlib builds.
if test "x${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(classpath libltdl)
# 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=$enable_hash_synchronization_default
fi
install_ecj_jar=no
ECJ_BUILD_JAR=
ECJ_JAR=
AC_ARG_WITH(ecj-jar,
AS_HELP_STRING([--with-ecj-jar=FILE], [use preinstalled ecj jar]),
[ECJ_JAR=$withval],
[if test -f $multi_basedir/ecj.jar; then
ECJ_BUILD_JAR=$multi_basedir/ecj.jar
ECJ_JAR='$(jardir)/ecj.jar'
install_ecj_jar=yes
fi])
AC_SUBST(ECJ_BUILD_JAR)
AC_SUBST(ECJ_JAR)
AM_CONDITIONAL(BUILD_ECJ1, test "$ECJ_JAR" != "")
AM_CONDITIONAL(INSTALL_ECJ_JAR, test $install_ecj_jar = yes)
AC_ARG_WITH(java-home,
AS_HELP_STRING([--with-java-home=DIRECTORY],
[value of java.home system property]),
[JAVA_HOME="${withval}"], [JAVA_HOME=""])
AM_CONDITIONAL(JAVA_HOME_SET, test ! -z "$JAVA_HOME")
AC_SUBST(JAVA_HOME)
suppress_libgcj_bc=no
AC_ARG_ENABLE(libgcj-bc,
AS_HELP_STRING([--enable-libgcj-bc],
[enable(default) or disable BC ABI for portions of libgcj]),
[if test "$enable_libgcj_bc" = "no"; then
suppress_libgcj_bc=yes
fi])
AM_CONDITIONAL(SUPPRESS_LIBGCJ_BC, test "$suppress_libgcj_bc" = "yes")
build_libgcj_reduced_reflection=no
AC_ARG_ENABLE(reduced-reflection,
AS_HELP_STRING([--enable-reduced-reflection],
[enable or disable(default) -freduced-reflection when building portions of libgcj]),
[if test "$enable_reduced_reflection" = "yes"; then
build_libgcj_reduced_reflection=yes
fi])
AM_CONDITIONAL(BUILD_LIBGCJ_REDUCED_REFLECTION, test "$build_libgcj_reduced_reflection" = "yes")
# What is the native OS API for MinGW?
AC_ARG_WITH(win32-nlsapi,
AS_HELP_STRING([--with-win32-nlsapi=ansi or unicows or unicode],
[native MinGW libgcj Win32 OS API (default is ansi)]),
[case "${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 "${slow_pthread_self}" = "yes"; then
AC_DEFINE(SLOW_PTHREAD_SELF, 1,
[Define if if the synchronization code should try to avoid pthread_self calls by caching thread IDs in a hashtable.])
fi
# Check for gc debugging. This option is handled both here and in the GC.
AC_ARG_ENABLE(gc-debug,
AS_HELP_STRING([--enable-gc-debug],
[include full support for pointer backtracing etc.]),
[ if test "$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)
AM_CONDITIONAL(INTERPRETER, test "$libgcj_interpreter" = yes)
AC_MSG_CHECKING([for exception model to use])
AC_LANG_PUSH(C++)
AC_ARG_ENABLE(sjlj-exceptions,
AS_HELP_STRING([--enable-sjlj-exceptions],
[force use of builtin_setjmp for exceptions]),
[:],
[dnl Botheration. Now we've got to detect the exception model.
dnl Link tests against libgcc.a are problematic since -- at least
dnl as of this writing -- we've not been given proper -L bits for
dnl single-tree newlib and libgloss.
dnl
dnl This is what AC_TRY_COMPILE would do if it didn't delete the
dnl conftest files before we got a change to grep them first.
cat > conftest.$ac_ext << EOF
[#]line __oline__ "configure"
struct S { ~S(); };
void bar();
void foo()
{
S s;
bar();
}
EOF
old_CXXFLAGS="$CXXFLAGS"
CXXFLAGS=-S
if AC_TRY_EVAL(ac_compile); then
if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
enable_sjlj_exceptions=yes
elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
enable_sjlj_exceptions=no
elif grep __cxa_end_cleanup conftest.s >/dev/null 2>&1 ; then
# ARM EH ABI.
enable_sjlj_exceptions=no
fi
fi
CXXFLAGS="$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"
)
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
;;
esac
;;
*)
PLATFORM=Ecos
PLATFORMNET=NoNet
AC_DEFINE(ECOS, 1, [Define if you're running eCos.])
PLATFORMH=posix.h
;;
esac
AC_SUBST(PLATFORM)
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 "$PLATFORM" = Posix || test "$PLATFORM" = Ecos)
case "$host" in
*-darwin*) DARWIN_CRT=true ;;
*) DARWIN_CRT=false ;;
esac
AM_CONDITIONAL(USING_DARWIN_CRT, $DARWIN_CRT)
# This may not be defined in a non-ANS conformant embedded system.
# FIXME: Should these case a runtime exception in that case?
AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME, 1,
[Define is you have 'localtime' in <time.h>]))
# Create the subdirectory for natFile.cc, or the attempt
# to create the link will fail.
test -d java || mkdir java
test -d java/io || mkdir java/io
test -d gnu || mkdir gnu
AC_CONFIG_LINKS(java/io/natFile.cc:java/io/natFile${FILE-${PLATFORM}}.cc)
# Likewise for natConcreteProcess.cc.
test -d java/lang || mkdir java/lang
AC_CONFIG_LINKS(java/lang/natConcreteProcess.cc:java/lang/nat${PLATFORM}Process.cc)
# Likewise for natVMInetAddress.cc and natVMNetworkInterface.cc.
test -d java/net || mkdir java/net
AC_CONFIG_LINKS(java/net/natVMInetAddress.cc:java/net/natVMInetAddress${PLATFORMNET}.cc)
AC_CONFIG_LINKS(java/net/natVMNetworkInterface.cc:java/net/natVMNetworkInterface${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 natVMPipe.cc and natVMSelector.cc.
test -d gnu/java/nio || mkdir gnu/java/nio
AC_CONFIG_LINKS(gnu/java/nio/natVMPipe.cc:gnu/java/nio/natVMPipe${PLATFORM}.cc)
AC_CONFIG_LINKS(gnu/java/nio/natVMSelector.cc:gnu/java/nio/natVMSelector${PLATFORM}.cc)
# Likewise for natFileChannelImpl.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)
# Likewise for natVMSecureRandom.cc
test -d gnu/java/security || mkdir gnu/java/security
test -d gnu/java/security/jce || mkdir gnu/java/security/jce
test -d gnu/java/security/jce/prng || mkdir gnu/java/security/jce/prng
AC_CONFIG_LINKS(gnu/java/security/jce/prng/natVMSecureRandom.cc:gnu/java/security/jce/prng/natVMSecureRandom${FILE-${PLATFORM}}.cc)
case "${host}" in
*mingw*)
SYSTEMSPEC="-lgdi32 -lws2_32"
if test "${with_win32_nlsapi}" = "unicows"; then
SYSTEMSPEC="-lunicows $SYSTEMSPEC"
fi
;;
*-*-darwin[[912]]*)
SYSTEMSPEC="%{!Zdynamiclib:%{!Zbundle:-allow_stack_execute}}"
;;
*)
SYSTEMSPEC=
;;
esac
AC_SUBST(SYSTEMSPEC)
AC_ARG_WITH(system-zlib,
AS_HELP_STRING([--with-system-zlib],
[use installed libz]))
ZLIBSPEC=
AC_SUBST(ZLIBSPEC)
ZLIBTESTSPEC=
AC_SUBST(ZLIBTESTSPEC)
AC_PATH_XTRA
# FIXME: this should be _libs on some hosts.
libsubdir=.libs
LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
LIBSTDCXXSPEC=
# extra LD Flags which are required for targets
case "${host}" in
*-*-darwin[[0-7]].*)
# For now we have to disable it on darwin[8-9] because it slows down
# the linking phase. A possible bug in ld?
# on Darwin -single_module speeds up loading of the dynamic libraries.
extra_ldflags_libjava=-Wl,-single_module
;;
arm*linux*eabi)
# Some of the ARM unwinder code is actually in libstdc++. We
# could in principle replicate it in libgcj, but it's better to
# have a dependency on libstdc++.
extra_ldflags='-L$(here)/../libstdc++-v3/src/.libs -lstdc++'
LIBSTDCXXSPEC=-lstdc++
LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -L`${PWDCMD-pwd}`/../libstdc++-v3/src/.libs -rpath `${PWDCMD-pwd}`/.libs:`${PWDCMD-pwd}`/../libstdc++-v3/src/.libs -lstdc++"
;;
*-*-cygwin)
extra_ldflags_libjava=-liconv
;;
esac
# Check for --no-merge-exidx-entries, an ARM-specific linker option.
AC_CACHE_CHECK([for --no-merge-exidx-entries], [libgcj_cv_exidx],
[saved_ldflags="$LDFLAGS"
LDFLAGS="${LDFLAGS} -Wl,--no-merge-exidx-entries"
# The IRIX 6 ld doesn't recognize --no-merge-exidx-entries, but only
# warns about unknown options, which breaks the testsuite. So enable
# AC_LANG_WERROR, but there's currently (autoconf 2.64) no way to turn
# it off again. As a workaround, save and restore werror flag like
# AC_PATH_XTRA.
ac_xsave_[]_AC_LANG_ABBREV[]_werror_flag=$ac_[]_AC_LANG_ABBREV[]_werror_flag
AC_LANG_WERROR
AC_LINK_IFELSE([int main(void){ return 0;} ],
[eval "libgcj_cv_exidx=yes"],
[eval "libgcj_cv_exidx=no"])
ac_[]_AC_LANG_ABBREV[]_werror_flag=$ac_xsave_[]_AC_LANG_ABBREV[]_werror_flag
LDFLAGS="${saved_ldflags}"]
)
if test "${libgcj_cv_exidx}" = "yes"; then
SYSTEMSPEC="${SYSTEMSPEC} --no-merge-exidx-entries"
extra_ldflags="${extra_ldflags} -Wl,--no-merge-exidx-entries"
fi
AC_SUBST(extra_ldflags_libjava)
AC_SUBST(extra_ldflags)
AC_SUBST(LIBSTDCXXSPEC)
AC_SUBST(LIBGCJTESTSPEC)
# Allow the GC to be disabled. Can be useful when debugging.
AC_MSG_CHECKING([for garbage collector to use])
AC_ARG_ENABLE(java-gc,
AS_HELP_STRING([--enable-java-gc=TYPE],
[choose garbage collector (default is boehm)]),
[GC=$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)