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gcc/libjava/classpath/configure.ac
Tom Tromey f911ba985a Initial revision 
From-SVN: r102074
2005-07-16 00:30:23 +00:00

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dnl Process this file with autoconf to produce a configure script.
dnl -----------------------------------------------------------
dnl Turning off cache for debug reasons
dnl -----------------------------------------------------------
dnl define([AC_CACHE_LOAD], )dnl
dnl define([AC_CACHE_SAVE], )dnl
AC_INIT([GNU Classpath],[0.17+cvs],[classpath@gnu.org],[classpath])
AC_CONFIG_SRCDIR(java/lang/System.java)
AC_CANONICAL_TARGET
dnl -----------------------------------------------------------
dnl Fold all IA-32 CPU architectures into "x86"
dnl -----------------------------------------------------------
if expr ${target_cpu} : '.*86' > /dev/null; then target_cpu=x86; fi
dnl -----------------------------------------------------------
dnl We will not track/change lib version until we reach version 1.0
dnl at which time we'll have to be more anal about such things
dnl -----------------------------------------------------------
AC_SUBST(LIBVERSION, "0:0:0")
CLASSPATH_MODULE="-module -version-info ${LIBVERSION} -no-undefined"
AC_SUBST(CLASSPATH_MODULE)
AC_PREREQ(2.59)
AM_INIT_AUTOMAKE([1.9.0 gnu std-options tar-ustar])
AC_CONFIG_HEADERS([include/config.h])
AC_PREFIX_DEFAULT(/usr/local/classpath)
dnl -----------------------------------------------------------
dnl Enable JNI libraries (enabled by default)
dnl -----------------------------------------------------------
AC_ARG_ENABLE([jni],
[AS_HELP_STRING(--enable-jni,compile JNI source [default=yes])],
[case "${enableval}" in
yes) COMPILE_JNI=yes; COMPILE_JAVA=yes ;;
no) COMPILE_JNI=no ;;
*) COMPILE_JNI=yes; COMPILE_JAVA=yes ;;
esac],
[COMPILE_JNI=yes])
AM_CONDITIONAL(CREATE_JNI_LIBRARIES, test "x${COMPILE_JNI}" = xyes)
dnl -----------------------------------------------------------
dnl Enable core JNI libraries (enabled by default)
dnl -----------------------------------------------------------
AC_ARG_ENABLE([core-jni],
[AS_HELP_STRING(--enable-core-jni,
compile JNI sources for core [default=yes])],
[case "${enableval}" in
yes) COMPILE_CORE_JNI=yes; COMPILE_JAVA=yes ;;
no) COMPILE_CORE_JNI=no ;;
*) COMPILE_CORE_JNI=yes; COMPILE_JAVA=yes ;;
esac],
[COMPILE_CORE_JNI=yes])
AM_CONDITIONAL(CREATE_CORE_JNI_LIBRARIES, test "x${COMPILE_CORE_JNI}" = xyes)
dnl -----------------------------------------------------------
dnl Whether to compile with -Werror or not (enabled by default)
dnl -----------------------------------------------------------
AC_ARG_ENABLE([Werror],
[AS_HELP_STRING(--disable-Werror,whether to compile C code with -Werror which turns any compiler warning into a compilation failure [default=no])],
[case "${enableval}" in
yes) ENABLE_WERROR=yes ;;
no) ENABLE_WERROR=no ;;
*) ENABLE_WERROR=yes ;;
esac],
[ENABLE_WERROR=no])
dnl -----------------------------------------------------------
dnl Default AWT toolkit
dnl -----------------------------------------------------------
AC_ARG_ENABLE(default-toolkit,
AS_HELP_STRING([--enable-default-toolkit],
[fully qualified class name of default AWT toolkit]))
default_toolkit=$enable_default_tookit
if test "$default_toolkit" = ""; then
default_toolkit=gnu.java.awt.peer.gtk.GtkToolkit
fi
AC_SUBST(default_toolkit)
dnl -----------------------------------------------------------
dnl Native libxml/xslt library (disabled by default)
dnl -----------------------------------------------------------
AC_ARG_ENABLE([xmlj],
[AS_HELP_STRING(--enable-xmlj,compile native libxml/xslt library [default=no])],
[case "${enableval}" in
yes) COMPILE_XMLJ=yes ;;
no) COMPILE_XMLJ=no ;;
*) COMPILE_XMLJ=no ;;
esac],
[COMPILE_XMLJ=no])
AM_CONDITIONAL(CREATE_XMLJ_LIBRARY, test "x${COMPILE_XMLJ}" = xyes)
dnl -----------------------------------------------------------
dnl GTK native peer (enabled by default)
dnl -----------------------------------------------------------
AC_ARG_ENABLE([gtk-peer],
[AS_HELP_STRING(--disable-gtk-peer,compile GTK native peers (disabled by --disable-jni) [default=yes])],
[case "${enableval}" in
yes) COMPILE_GTK_PEER=yes ;;
no) COMPILE_GTK_PEER=no ;;
*) COMPILE_GTK_PEER=yes ;;
esac],
[COMPILE_GTK_PEER=yes])
AM_CONDITIONAL(CREATE_GTK_PEER_LIBRARIES, test "x${COMPILE_GTK_PEER}" = xyes)
dnl -----------------------------------------------------------
dnl GTK native peer error checking
dnl -----------------------------------------------------------
AC_ARG_ENABLE([gtk-peers],,AC_MSG_ERROR([No --enable-gtk-peers (or --disable-gtk-peers) option; you want --enable-gtk-peer]))
dnl ------------------------------------------------------------
dnl determine whether to enable the cairo GTK Graphics2D backend
dnl ------------------------------------------------------------
AC_ARG_ENABLE([gtk-cairo],
[AS_HELP_STRING(--enable-gtk-cairo,build the cairo Graphics2D implementation on GTK [default=no])],
[case "${enableval}" in
yes) GTK_CAIRO_ENABLED=true ;;
no) GTK_CAIRO_ENABLED=false ;;
*) GTK_CAIRO_ENABLED=true ;;
esac],
[GTK_CAIRO_ENABLED=false])
AC_SUBST(GTK_CAIRO_ENABLED)
if test "x${GTK_CAIRO_ENABLED}" = xtrue; then
AC_DEFINE(GTK_CAIRO, 1, [defined if cairo support was built in])
fi
AM_CONDITIONAL(GTK_CAIRO, test "x${GTK_CAIRO_ENABLED}" = xtrue)
dnl -----------------------------------------------------------
dnl Regenerate headers at build time (disabled by default)
dnl -----------------------------------------------------------
AC_ARG_ENABLE([regen-headers],
[AS_HELP_STRING(--enable-regen-headers,automatically regenerate JNI headers [default=no])],
[case "${enableval}" in
yes) REGENERATE_JNI_HEADERS=yes ;;
no) REGENERATE_JNI_HEADERS=no ;;
*) REGENERATE_JNI_HEADERS=no ;;
esac],
[REGENERATE_JNI_HEADERS=no])
AM_CONDITIONAL(CREATE_JNI_HEADERS, test "x${REGENERATE_JNI_HEADERS}" = xyes)
AC_PROG_LN_S
AC_PROG_INSTALL
dnl -----------------------------------------------------------
dnl Checks for programs.
dnl -----------------------------------------------------------
dnl AC_PROG_CXX
dnl Initialize libtool
AC_DISABLE_STATIC
AC_PROG_LIBTOOL
dnl AC_PROG_AWK
AC_PROG_CC
AC_PROG_CPP
if test "x${COMPILE_JNI}" = xyes; then
AC_HEADER_STDC
dnl Checking sizeof void * is needed for fdlibm to work properly on ppc64,
dnl at least.
AC_COMPILE_CHECK_SIZEOF(void *)
dnl Checking for endianess.
AC_C_BIGENDIAN_CROSS
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.
dnl Check for crt_externs.h on Darwin.
AC_CHECK_HEADERS([unistd.h sys/types.h sys/config.h sys/ioctl.h \
asm/ioctls.h \
inttypes.h stdint.h utime.h sys/utime.h sys/filio.h \
sys/time.h \
sys/select.h \
crt_externs.h \
fcntl.h])
AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1, [Define to 1 if you have uint32_t]))
AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1, [Define to 1 if you have uint32_t]))
AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1, [Define to 1 if you have BSD u_int32_t]))
AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1, [Define to 1 if you have BSD u_int32_t]))
AC_CHECK_FUNCS([ftruncate fsync select \
gethostname socket strerror fork pipe execve open close \
lseek fstat read write htonl memset htons connect \
getsockname getpeername bind listen accept \
recvfrom send sendto setsockopt getsockopt time mktime \
localtime_r \
strerror_r \
fcntl])
AC_HEADER_TIME
AC_STRUCT_TM
AC_STRUCT_TIMEZONE
AC_MSG_CHECKING([for tm_gmtoff in struct tm])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]],[[struct tm tim; tim.tm_gmtoff = 0;]])],
[AC_DEFINE(STRUCT_TM_HAS_GMTOFF, 1, [Define if struct tm has tm_gmtoff field.])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_MSG_CHECKING([for global timezone variable])
dnl FIXME: we don't want a link check here because that won't work
dnl when cross-compiling. So instead we make an assumption that
dnl the header file will mention timezone if it exists.
dnl Don't find the win32 function timezone
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[void i(){long z2 = 2*timezone;}]])],
[AC_DEFINE(HAVE_TIMEZONE, 1, [Define if global 'timezone' exists.])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_MSG_CHECKING([for global _timezone variable])
dnl FIXME: As above, don't want link check
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[long z2 = _timezone;]])],
[AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE, 1,
[Define if your platform has the global _timezone variable.])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])])])
AC_C_CONST
dnl See if we HAVE_ICONV, how ICONV_CONST is set and LTLIBICONV
AM_ICONV
dnl When using gcc we want warnings, lots of warnings :-)
if test "x${GCC}" = xyes; then
dnl We want ISO C90 pedantic ansi, but with longlong (jlong) support
dnl and modern POSIX and BSD C library functions/prototypes.
dnl Warning flags for (almost) everybody.
dnl Should probably be configurable
WARNING_CFLAGS='-pedantic -W -Wall -Wmissing-declarations -Wwrite-strings -Wmissing-prototypes -Wno-long-long'
AC_SUBST(WARNING_CFLAGS)
dnl Strict warning flags which not every module uses.
dnl Should probably be configurable.
STRICT_WARNING_CFLAGS=-Wstrict-prototypes
AC_SUBST(STRICT_WARNING_CFLAGS)
dnl Whether or not to add -Werror, also not used by all modueles.
dnl Can be configured by --disable-Werror
ERROR_CFLAGS=
if test "x${ENABLE_WERROR}" = xyes; then
ERROR_CFLAGS='-Werror'
fi
AC_SUBST(ERROR_CFLAGS)
fi
dnl Check for libxml and libxslt libraries (when xmlj is enabled).
if test "x${COMPILE_XMLJ}" = xyes; then
PKG_CHECK_MODULES(XML, libxml-2.0 >= 2.6.8)
PKG_CHECK_MODULES(XSLT, libxslt >= 1.1.11)
AC_SUBST(XML_LIBS)
AC_SUBST(XML_CFLAGS)
AC_SUBST(XSLT_LIBS)
AC_SUBST(XSLT_CFLAGS)
fi
dnl Check for AWT related gthread/gtk
if test "x${COMPILE_GTK_PEER}" = xyes; then
AC_PATH_XTRA
if test "$no_x" = yes; then
AC_MSG_ERROR([GTK+ peers requested but no X library available])
fi
dnl We explicitly want the XTest Extension for Robot support.
AC_CHECK_LIB([Xtst], [XTestQueryExtension], [true],
[AC_MSG_ERROR([libXtst NOT found, required for GdkRobot])],
[${X_LIBS}])
PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.4 gthread-2.0 >= 2.2 gdk-pixbuf-2.0)
AC_SUBST(GTK_CFLAGS)
AC_SUBST(GTK_LIBS)
fi
if test "x${enable_gtk_cairo}" = xyes; then
PKG_CHECK_MODULES(CAIRO, cairo >= 0.5.0)
PKG_CHECK_MODULES(PANGOFT2, pangoft2)
fi
AC_SUBST(CAIRO_LIBS)
AC_SUBST(CAIRO_CFLAGS)
AC_SUBST(PANGOFT2_LIBS)
AC_SUBST(PANGOFT2_CFLAGS)
fi
CLASSPATH_WITH_JAVAH
dnl -----------------------------------------------------------
dnl Add the include files for the native abstraction layer.
dnl Used by AM_CPPFLAGS in the different modules.
dnl -----------------------------------------------------------
CLASSPATH_INCLUDES="-I\$(top_srcdir)/include -I\$(top_srcdir)/native/jni/classpath -I\$(top_srcdir)/native/target/Linux -I\$(top_srcdir)/native/target/generic"
AC_SUBST(CLASSPATH_INCLUDES)
dnl -----------------------------------------------------------
if test "x${COMPILE_JNI}" = xyes; then
AC_MSG_CHECKING(jni_md.h support)
if test -f ${srcdir}/include/jni_md-${target_cpu}-${target_os}.h; then
AC_MSG_RESULT(yes)
else
target_cpu=x86
target_os=linux-gnu
AC_MSG_WARN(no, using x86-linux-gnu)
fi
ac_sources="include/jni_md-${target_cpu}-${target_os}.h"
ac_dests="include/jni_md.h"
while test -n "$ac_sources"; do
set $ac_dests; ac_dest=$1; shift; ac_dests=$*
set $ac_sources; ac_source=$1; shift; ac_sources=$*
ac_config_links_1="$ac_config_links_1 $ac_dest:$ac_source"
done
AC_CONFIG_LINKS([$ac_config_links_1])
fi
CLASSPATH_FIND_JAVAC
CLASSPATH_WITH_CLASSLIB
dnl -----------------------------------------------------------
dnl Initialize maintainer mode
dnl -----------------------------------------------------------
AM_MAINTAINER_MODE
dnl -----------------------------------------------------------
dnl Enable debugging statements at compile time. By default
dnl these statements should be optimized out of the bytecode
dnl produced by an optimizing Java compiler and not hinder
dnl performance because debugging is turned off by default.
dnl -----------------------------------------------------------
AC_ARG_ENABLE([debug],
[AS_HELP_STRING(--enable-debug,enable runtime debugging code)],
[case "${enableval}" in
yes)
LIBDEBUG="true"
AC_DEFINE(DEBUG, 1, [Define to 1 if you want native library runtime debugging code enabled])
;;
no) LIBDEBUG="false" ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-debug) ;;
esac],
[LIBDEBUG="false"])
AC_SUBST(LIBDEBUG)
dnl -----------------------------------------------------------
dnl Enable execution of all static initializer loadLibrary()
dnl calls at compile time. By default most people will not
dnl want to disable this, but some VMs (gcj) don't need or want
dnl them.
dnl -----------------------------------------------------------
AC_ARG_ENABLE([load-library],
[AS_HELP_STRING(--enable-load-library,enable to use JNI native methods [default=yes])],
[case "${enableval}" in
yes) INIT_LOAD_LIBRARY="true" ;;
no) INIT_LOAD_LIBRARY="false" ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-load-library) ;;
esac],
[INIT_LOAD_LIBRARY="true"])
AC_SUBST(INIT_LOAD_LIBRARY)
dnl -----------------------------------------------------------
dnl Should the VM explicitly run class initialization subfunctions for
dnl java.lang.System? (default is false -- the subfunctions will be run
dnl automatically by the class initializer)
dnl -----------------------------------------------------------
AC_ARG_ENABLE([java-lang-system-explicit-initialization],
[AS_HELP_STRING(--enable-java-lang-system-explicit-initialization,will the VM explicitly invoke java.lang.System's static initialization methods [default=no])],
[case "${enableval}" in
yes|true) JAVA_LANG_SYSTEM_EXPLICIT_INITIALIZATION="true" ;;
no|false) JAVA_LANG_SYSTEM_EXPLICIT_INITIALIZATION="false" ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-java-lang-system-explicit-initialization) ;;
esac],
[JAVA_LANG_SYSTEM_EXPLICIT_INITIALIZATION="false"])
AC_SUBST(JAVA_LANG_SYSTEM_EXPLICIT_INITIALIZATION)
dnl -----------------------------------------------------------
dnl avoiding automake complaints
dnl -----------------------------------------------------------
REMOVE=""
AC_SUBST(REMOVE)
dnl -----------------------------------------------------------
dnl This is probably useless.
dnl -----------------------------------------------------------
AC_PATH_PROG(SH, sh)
AC_PATH_PROG(MKDIR, mkdir)
AC_PATH_PROG(CP, cp)
AC_PATH_PROG(DATE, date)
dnl -----------------------------------------------------------
dnl According to the GNU coding guide, we shouldn't require find,
dnl and zip, however GNU provides both so it should be okay
dnl -----------------------------------------------------------
AC_PATH_PROG(FIND, find)
dnl -----------------------------------------------------------
dnl Specify what to install (install only glibj.zip by default)
dnl -----------------------------------------------------------
CLASSPATH_WITH_GLIBJ
dnl -----------------------------------------------------------
dnl Enable API documentation generation (disabled by default)
dnl -----------------------------------------------------------
CLASSPATH_WITH_GJDOC
dnl -----------------------------------------------------------
dnl Whether to use jay to regenerate parsers.
dnl -----------------------------------------------------------
REGEN_WITH_JAY
dnl -----------------------------------------------------------
dnl This sets the build-time default, which can now be overridden
dnl by setting the system property gnu.classpath.awt.gtk.portable.native.sync
dnl to "true" or "false".
dnl -----------------------------------------------------------
AC_ARG_ENABLE([portable-native-sync],
[AS_HELP_STRING(--enable-portable-native-sync,synchronize VM threads portably)],
[case "${enableval}" in
yes)
AC_DEFINE(PORTABLE_NATIVE_SYNC, 1, [Define if you want to synchronize VM threads portably by default; undef otherwise])
;;
no) ;;
*)
AC_MSG_ERROR(bad value ${enableval} for --enable-portable-native-sync)
;;
esac],
[])
dnl -----------------------------------------------------------
dnl output files
dnl -----------------------------------------------------------
AC_CONFIG_FILES([Makefile
doc/Makefile
doc/api/Makefile
external/Makefile
external/sax/Makefile
external/w3c_dom/Makefile
gnu/classpath/Configuration.java
include/Makefile
native/Makefile
native/fdlibm/Makefile
native/jni/Makefile
native/jni/classpath/Makefile
native/jni/java-io/Makefile
native/jni/java-lang/Makefile
native/jni/java-net/Makefile
native/jni/java-nio/Makefile
native/jni/java-util/Makefile
native/jni/gtk-peer/Makefile
native/jni/xmlj/Makefile
native/target/Makefile
native/target/Linux/Makefile
native/target/generic/Makefile
resource/Makefile
scripts/Makefile
scripts/classpath.spec
lib/Makefile
lib/gen-classlist.sh
examples/Makefile])
AC_CONFIG_COMMANDS([gen-classlist],[chmod 755 lib/gen-classlist.sh])
AC_OUTPUT
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