# Copyright © 2000-2004 Marco Pesenti Gritti
# Copyright © 2003, 2004, 2005, 2006, 2007 Christian Persch
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
# LIBXUL_INIT([embedding],[ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
#
# Checks for libxul, and aborts if it's not found
#
# Checks for -fshort-wchar compiler variable, and adds it to
# AM_CXXFLAGS if found
#
# Checks whether RTTI is enabled, and adds -fno-rtti to
# AM_CXXFLAGS otherwise
#
# Checks whether the gecko build is a debug build, and adds
# debug flags to AM_CXXFLAGS if it is.
AC_DEFUN([LIBXUL_INIT],
[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
if test -z "$1"; then
libxul_cv_libxul_pkg="libxul"
elif test "$1" = "embedding"; then
libxul_cv_libxul_pkg="libxul-embedding"
else
AC_MSG_ERROR([[Unsupported value passed to LIBXUL_INIT]])
fi
PKG_CHECK_EXISTS([$libxul_cv_libxul_pkg],[libxul_cv_have_libxul=yes],[libxul_cv_have_libxul=no])
if test "$libxul_cv_have_libxul" != "yes"; then
# Debian/Ubuntu xulrunner-1.9-dev has versioned pc files, try again
libxul_cv_libxul_pkg="${libxul_cv_libxul_pkg}-1.9"
PKG_CHECK_EXISTS([$libxul_cv_libxul_pkg],[libxul_cv_have_libxul=yes],[libxul_cv_have_libxul=no])
fi
if test "$libxul_cv_have_libxul" != "yes"; then
# Still nothing? Error out
AC_MSG_ERROR([libxul not found])
fi
libxul_cv_version="$($PKG_CONFIG --modversion $libxul_cv_libxul_pkg)"
libxul_cv_prefix="$($PKG_CONFIG --variable=prefix $libxul_cv_libxul_pkg)"
libxul_cv_include_root="$($PKG_CONFIG --variable=includedir $libxul_cv_libxul_pkg)"
libxul_cv_sdkdir="$($PKG_CONFIG --variable=sdkdir $libxul_cv_libxul_pkg)"
# FIXMEchpe: this isn't right. The pc file seems buggy, but until
# I can figure this out, do it like this:
libxul_cv_libdir="$(readlink $($PKG_CONFIG --variable=sdkdir $libxul_cv_libxul_pkg)/bin)"
libxul_cv_includes="-I${libxul_cv_include_root}/stable -I${libxul_cv_include_root}/unstable"
AC_DEFINE([HAVE_LIBXUL],[1],[Define for libxul])
LIBXUL_VERSION="$libxul_cv_version"
LIBXUL_PREFIX="$libxul_cv_prefix"
LIBXUL_INCLUDE_ROOT="$libxul_cv_include_root"
LIBXUL_INCLUDES="$libxul_cv_includes"
LIBXUL_LIBDIR="$libxul_cv_libdir"
LIBXUL_CXXCPPFLAGS=
LIBXUL_CXXFLAGS=
LIBXUL_LDFLAGS=
# Can't use the value from the .pc file, since it seems buggy
# Until I can figure it out, do this instead
LIBXUL_LIBS="-L${libxul_cv_sdkdir}/lib -lxpcomglue_s -L${libxul_cv_sdkdir}/bin -lxul -lxpcom"
# ***********************
# Check for -fshort-wchar
# ***********************
# NOTE: This is really gcc-only
# Do this test using CXX only since some versions of gcc
# 2.95-2.97 have a signed wchar_t in c++ only and some versions
# only have short-wchar support for c++.
AC_LANG_PUSH([C++])
_SAVE_CXXFLAGS=$CXXFLAGS
CXXFLAGS="$CXXFLAGS $LIBXUL_CXXFLAGS -fshort-wchar"
AC_CACHE_CHECK([for compiler -fshort-wchar option],
libxul_cv_have_usable_wchar_option,
[AC_RUN_IFELSE([AC_LANG_SOURCE(
[[#include <stddef.h>
int main () {
return (sizeof(wchar_t) != 2) || (wchar_t)-1 < (wchar_t) 0 ;
} ]])],
[libxul_cv_have_usable_wchar_option="yes"],
[libxul_cv_have_usable_wchar_option="no"],
[libxul_cv_have_usable_wchar_option="maybe (cross-compiling)"])])
CXXFLAGS="$_SAVE_CXXFLAGS"
AC_LANG_POP([C++])
if test "$libxul_cv_have_usable_wchar_option" = "yes"; then
LIBXUL_CXXFLAGS="$LIBXUL_CXXFLAGS -fshort-wchar"
fi
# **************
# Check for RTTI
# **************
AC_MSG_CHECKING([whether to enable C++ RTTI])
AC_ARG_ENABLE([cpp-rtti],
AS_HELP_STRING([--enable-cpp-rtti],[Enable C++ RTTI]),
[],[enable_cpp_rtti=no])
AC_MSG_RESULT([$enable_cpp_rtti])
if test "$enable_cpp_rtti" = "no"; then
LIBXUL_CXXFLAGS="-fno-rtti $LIBXUL_CXXFLAGS"
fi
# *************
# Various tests
# *************
# FIXMEchpe: remove this test, it shouldn't be needed anymore thanks to static glue libs
AC_LANG_PUSH([C++])
_SAVE_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $LIBXUL_CXXCPPFLAGS $LIBXUL_INCLUDES"
AC_MSG_CHECKING([[whether we have a libxul debug build]])
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE([[#include <xpcom-config.h>
#if !defined(MOZ_REFLOW_PERF) || !defined(MOZ_REFLOW_PERF_DSP)
#error No
#endif]]
)],
[libxul_cv_have_debug=yes],
[libxul_cv_have_debug=no])
AC_MSG_RESULT([$libxul_cv_have_debug])
CPPFLAGS="$_SAVE_CPPFLAGS"
AC_LANG_POP([C++])
if test "$libxul_cv_have_debug" = "yes"; then
LIBXUL_CXXCPPFLAGS="$LIBXUL_CXXCPPFLAGS -DDEBUG -D_DEBUG"
AC_DEFINE([HAVE_LIBXUL_DEBUG],[1],[Define if libxul is a debug build])
fi
# *************************************
# Check for C++ symbol visibility stuff
# *************************************
# Check for .hidden assembler directive and visibility attribute.
# Copied from mozilla's configure.in, which in turn was
# borrowed from glibc's configure.in
# Only do this for g++
if test "$GXX" = "yes"; then
AC_CACHE_CHECK(for visibility(hidden) attribute,
libxul_cv_visibility_hidden,
[cat > conftest.c <<EOF
int foo __attribute__ ((visibility ("hidden"))) = 1;
EOF
libxul_cv_visibility_hidden=no
if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then
if egrep '\.(hidden|private_extern).*foo' conftest.s >/dev/null; then
libxul_cv_visibility_hidden=yes
fi
fi
rm -f conftest.[cs]
])
if test "$libxul_cv_visibility_hidden" = "yes"; then
AC_DEFINE([HAVE_VISIBILITY_HIDDEN_ATTRIBUTE],[1],[Define if the compiler supports the "hidden" visibility attribute])
AC_CACHE_CHECK(for visibility(default) attribute,
libxul_cv_visibility_default,
[cat > conftest.c <<EOF
int foo __attribute__ ((visibility ("default"))) = 1;
EOF
libxul_cv_visibility_default=no
if ${CC-cc} -fvisibility=hidden -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then
if ! egrep '\.(hidden|private_extern).*foo' conftest.s >/dev/null; then
libxul_cv_visibility_default=yes
fi
fi
rm -f conftest.[cs]
])
if test "$libxul_cv_visibility_default" = "yes"; then
AC_DEFINE([HAVE_VISIBILITY_ATTRIBUTE],[1],[Define if the compiler supports the "default" visibility attribute])
AC_CACHE_CHECK(for visibility pragma support,
libxul_cv_visibility_pragma,
[cat > conftest.c <<EOF
#pragma GCC visibility push(hidden)
int foo_hidden = 1;
#pragma GCC visibility push(default)
int foo_default = 1;
EOF
libxul_cv_visibility_pragma=no
if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then
if egrep '\.(hidden|private_extern).*foo_hidden' conftest.s >/dev/null; then
if ! egrep '\.(hidden|private_extern).*foo_default' conftest.s > /dev/null; then
libxul_cv_visibility_pragma=yes
fi
fi
fi
rm -f conftest.[cs]
])
if test "$libxul_cv_visibility_pragma" = "yes"; then
AC_CACHE_CHECK(For gcc visibility bug with class-level attributes (GCC bug 26905),
libxul_cv_have_visibility_class_bug,
[cat > conftest.c <<EOF
#pragma GCC visibility push(hidden)
struct __attribute__ ((visibility ("default"))) TestStruct {
static void Init();
};
__attribute__ ((visibility ("default"))) void TestFunc() {
TestStruct::Init();
}
EOF
libxul_cv_have_visibility_class_bug=no
if ! ${CXX-g++} ${CXXFLAGS} ${DSO_PIC_CFLAGS} ${DSO_LDOPTS} -S -o conftest.S conftest.c > /dev/null 2>&1 ; then
libxul_cv_have_visibility_class_bug=yes
else
if test `egrep -c '@PLT|\\$stub' conftest.S` = 0; then
libxul_cv_have_visibility_class_bug=yes
fi
fi
rm -rf conftest.{c,S}
])
AC_CACHE_CHECK(For x86_64 gcc visibility bug with builtins (GCC bug 20297),
libxul_cv_have_visibility_builtin_bug,
[cat > conftest.c <<EOF
#pragma GCC visibility push(hidden)
#pragma GCC visibility push(default)
#include <string.h>
#pragma GCC visibility pop
__attribute__ ((visibility ("default"))) void Func() {
char c[[100]];
memset(c, 0, sizeof(c));
}
EOF
libxul_cv_have_visibility_builtin_bug=no
if ! ${CC-cc} ${CFLAGS} ${DSO_PIC_CFLAGS} ${DSO_LDOPTS} -O2 -S -o conftest.S conftest.c > /dev/null 2>&1 ; then
libxul_cv_have_visibility_builtin_bug=yes
else
if test `grep -c "@PLT" conftest.S` = 0; then
libxul_cv_visibility_builtin_bug=yes
fi
fi
rm -f conftest.{c,S}
])
if test "$libxul_cv_have_visibility_builtin_bug" = "no" -a \
"$libxul_cv_have_visibility_class_bug" = "no"; then
VISIBILITY_FLAGS='-I$(DIST)/include/system_wrappers -include $(topsrcdir)/config/gcc_hidden.h'
WRAP_SYSTEM_INCLUDES=1
else
VISIBILITY_FLAGS='-fvisibility=hidden'
fi # have visibility pragma bug
fi # have visibility pragma
fi # have visibility(default) attribute
fi # have visibility(hidden) attribute
LIBXUL_CXXFLAGS="$LIBXUL_CXXFLAGS $VISIBILITY_FLAGS"
fi # g++
# *********
# Finish up
# *********
AC_SUBST([LIBXUL_VERSION])
AC_SUBST([LIBXUL_PREFIX])
AC_SUBST([LIBXUL_INCLUDE_ROOT])
AC_SUBST([LIBXUL_INCLUDES])
AC_SUBST([LIBXUL_LIBDIR])
AC_SUBST([LIBXUL_CXXCPPFLAGS])
AC_SUBST([LIBXUL_CXXFLAGS])
AC_SUBST([LIBXUL_LDFLAGS])
AC_SUBST([LIBXUL_LIBS])
])
# LIBXUL_DEFINES
#
# Automake defines for libxul. Not included in LIBXUL_INIT so that
# LIBXUL_INIT may be called conditionally. If you use LIBXUL_INIT,
# you _must_ call LIBXUL_DEFINES, unconditionally.
AC_DEFUN([LIBXUL_DEFINES],
[
AM_CONDITIONAL([HAVE_LIBXUL],[test "$libxul_cv_have_libxul" = "yes"])
AM_CONDITIONAL([HAVE_LIBXUL_DEBUG],[test "$libxul_cv_have_debug" = "yes"])
])
# ***************************************************************************
# ***************************************************************************
# ***************************************************************************
# _LIBXUL_DISPATCH(MACRO, INCLUDEDIRS, ...)
m4_define([_LIBXUL_DISPATCH],
[
AC_LANG_PUSH([C++])
_SAVE_CPPFLAGS="$CPPFLAGS"
_SAVE_CXXFLAGS="$CXXFLAGS"
_SAVE_LDFLAGS="$LDFLAGS"
_SAVE_LIBS="$LIBS"
CPPFLAGS="$CPPFLAGS $LIBXUL_CXXCPPFLAGS $LIBXUL_INCLUDES"
CXXFLAGS="$CXXFLAGS $LIBXUL_CXXFLAGS $($PKG_CONFIG --cflags-only-other libxul)"
LDFLAGS="$LDFLAGS $LIBXUL_LDFLAGS -Wl,--rpath=$LIBXUL_LIBDIR"
LIBS="$LIBS $($PKG_CONFIG --libs libxul)"
# FIXMEchpe: remove this, since the header layout is now flat (only stable and unstable)
_LIBXUL_DISPATCH_INCLUDEDIRS="$2"
_LIBXUL_DISPATCH_INCLUDEDIRS="$_LIBXUL_DISPATCH_INCLUDEDIRS dom necko pref"
# Now add them to CPPFLAGS
for i in $_LIBXUL_DISPATCH_INCLUDEDIRS; do
CPPFLAGS="$CPPFLAGS -I$LIBXUL_INCLUDE_ROOT/$i"
done
m4_indir([$1],m4_shiftn(2,$@))
CPPFLAGS="$_SAVE_CPPFLAGS"
CXXFLAGS="$_SAVE_CXXFLAGS"
LDFLAGS="$_SAVE_LDFLAGS"
LIBS="$_SAVE_LIBS"
AC_LANG_POP([C++])
])# _LIBXUL_DISPATCH
# ***************************************************************************
# ***************************************************************************
# ***************************************************************************
# LIBXUL_CHECK_HEADERS(INCLUDEDIRS, HEADERS, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND], [INCLUDES])
AC_DEFUN([LIBXUL_CHECK_HEADERS],[_LIBXUL_DISPATCH([AC_CHECK_HEADERS],$@)])
# LIBXUL_COMPILE_IFELSE(INCLUDEDIRS, PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
AC_DEFUN([LIBXUL_COMPILE_IFELSE],[_LIBXUL_DISPATCH([AC_COMPILE_IFELSE],$@)])
# LIBXUL_RUN_IFELSE(INCLUDEDIRS, PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
AC_DEFUN([LIBXUL_RUN_IFELSE],[_LIBXUL_DISPATCH([AC_RUN_IFELSE],$@)])
# ***************************************************************************
# ***************************************************************************
# ***************************************************************************
# LIBXUL_XPCOM_PROGRAM([PROLOGUE], [BODY])
#
# Produce a template C++ program which starts XPCOM up and shuts it down after
# the BODY part has run. In BODY, the the following variables are predeclared:
#
# nsresult rv
# int status = 1 (EXIT_FAILURE)
#
# The program's exit status will be |status|; set it to 0 (or EXIT_SUCCESS)
# to indicate success and to a value between 1 (EXIT_FAILURE) and 120 to
# indicate failure.
#
# To jump out of the BODY and exit the test program, you can use |break|.
AC_DEFUN([LIBXUL_XPCOM_PROGRAM],
[AC_LANG_PROGRAM([[
#include <xpcom-config.h>
#include <stdlib.h>
#include <stdio.h>
#include <nsXPCOM.h>
#include <nsCOMPtr.h>
#include <nsILocalFile.h>
#include <nsIServiceManager.h>
#include <nsStringGlue.h>
]]
[$1],
[[
// redirect unwanted mozilla debug output to the bit bucket
freopen ("/dev/null", "w", stdout);
nsresult rv;
nsCOMPtr<nsILocalFile> directory;
rv = NS_NewNativeLocalFile (NS_LITERAL_CSTRING("$_LIBXUL_HOME"), PR_FALSE,
getter_AddRefs (directory));
if (NS_FAILED (rv) || !directory) {
exit (126);
}
rv = NS_InitXPCOM2 (nsnull, directory, nsnull);
if (NS_FAILED (rv)) {
exit (125);
}
int status = EXIT_FAILURE;
// now put in the BODY, scoped with do...while(0) to ensure we don't hold a
// COMptr after XPCOM shutdown and so we can jump out with a simple |break|.
do {
]]
m4_shiftn(1,$@)
[[
} while (0);
NS_ShutdownXPCOM (nsnull);
exit (status);
]])
]) # LIBXUL_XPCOM_PROGRAM
# ***************************************************************************
# ***************************************************************************
# ***************************************************************************
# LIBXUL_XPCOM_PROGRAM_CHECK([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND], [ACTION-IF-CROSS-COMPILING])
#
# Checks whether we can build and run any XPCOM test programs at all
AC_DEFUN([LIBXUL_XPCOM_PROGRAM_CHECK],
[AC_REQUIRE([LIBXUL_INIT])dnl
AC_CACHE_CHECK([whether we can compile and run XPCOM programs],
[libxul_cv_xpcom_program_check],
[
libxul_cv_xpcom_program_check=no
LIBXUL_RUN_IFELSE([],
[LIBXUL_XPCOM_PROGRAM([],[[status = EXIT_SUCCESS;]])],
[libxul_cv_xpcom_program_check=yes],
[libxul_cv_xpcom_program_check=no],
[libxul_cv_xpcom_program_check=maybe])
])
if test "$libxul_cv_xpcom_program_check" = "yes"; then
ifelse([$2],,[:],[$2])
else
ifelse([$3],,[AC_MSG_FAILURE([Cannot compile and run XPCOM programs])],
[$3])
fi
]) # LIBXUL_XPCOM_PROGRAM_CHECK
# ***************************************************************************
# ***************************************************************************
# ***************************************************************************
# LIBXUL_CHECK_CONTRACTID(CONTRACTID, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
#
# Checks wheter CONTRACTID is a registered contract ID
AC_DEFUN([LIBXUL_CHECK_CONTRACTID],
[AC_REQUIRE([LIBXUL_INIT])dnl
AS_VAR_PUSHDEF([libxul_cv_have_CID],[libxul_cv_have_$1])
AC_CACHE_CHECK([for the $1 XPCOM component],
libxul_cv_have_CID,
[
AS_VAR_SET(libxul_cv_have_CID,[no])
LIBXUL_RUN_IFELSE([],
[LIBXUL_XPCOM_PROGRAM([[
#include <nsIComponentRegistrar.h>
]],[[
status = 99;
nsCOMPtr<nsIComponentRegistrar> registrar;
rv = NS_GetComponentRegistrar (getter_AddRefs (registrar));
if (NS_FAILED (rv)) break;
status = 98;
PRBool isRegistered = PR_FALSE;
rv = registrar->IsContractIDRegistered ("$1", &isRegistered);
if (NS_FAILED (rv)) break;
status = isRegistered ? EXIT_SUCCESS : 97;
]])
],
[AS_VAR_SET(libxul_cv_have_CID,[yes])],
[AS_VAR_SET(libxul_cv_have_CID,[no])],
[AS_VAR_SET(libxul_cv_have_CID,[maybe])])
])
if test AS_VAR_GET(libxul_cv_have_CID) = "yes"; then
ifelse([$2],,[:],[$2])
else
ifelse([$3],,[AC_MSG_ERROR([dnl
Contract ID "$1" is not registered, but $PACKAGE_NAME depends on it.])],
[$3])
fi
AS_VAR_POPDEF([libxul_cv_have_CID])
]) # LIBXUL_CHECK_CONTRACTID
# LIBXUL_CHECK_CONTRACTIDS(CONTRACTID, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
#
# Checks wheter CONTRACTIDs are registered contract IDs.
# If ACTION-IF-NOT-FOUND is given, it is executed when one of the contract IDs
# is not found and the missing contract ID is in the |as_contractid| variable.
AC_DEFUN([LIBXUL_CHECK_CONTRACTIDS],
[AC_REQUIRE([LIBXUL_INIT])dnl
result=yes
as_contractid=
for as_contractid in $1
do
LIBXUL_CHECK_CONTRACTID([$as_contractid],[],[result=no; break;])
done
if test "$result" = "yes"; then
ifelse([$2],,[:],[$2])
else
ifelse([$3],,[AC_MSG_ERROR([dnl
Contract ID "$as_contractid" is not registered, but $PACKAGE_NAME depends on it.])],
[$3])
fi
]) # LIBXUL_CHECK_CONTRACTIDS
# ***************************************************************************
# ***************************************************************************
# ***************************************************************************
# LIBXUL_XPIDL([ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
#
# Checks for xpidl program and include directory
#
# Variables set:
# XPIDL: the xpidl program
# XPIDL_IDLDIR: the xpidl include directory
AC_DEFUN([LIBXUL_XPIDL],
[AC_REQUIRE([LIBXUL_INIT])dnl
_C_PATH_PROG([XPIDL],[xpidl],[no],[$LIBXUL_LIBDIR:$PATH])
XPIDL_IDLDIR="$($PKG_CONFIG --variable=idldir libxul)"
if test "$XPIDL" != "no" -a -n "$XPIDL_IDLDIR" -a -f "$XPIDL_IDLDIR/nsISupports.idl"; then
ifelse([$1],,[:],[$1])
else
ifelse([$2],,[AC_MSG_FAILURE([XPIDL program or include directory not found])],[$2])
fi
])
