A m4/libxul.m4: Integrate the "xulrunner" backend with configure. Not

2007-09-09  Christian Persch  <chpe@gnome.org>

	* configure.ac:
	* embed/Makefile.am:
	* embed/ephy-embed-factory.c: (ephy_embed_factory_new_object):
	* m4/gecko.m4:
	A m4/libxul.m4:
	* src/Makefile.am: Integrate the "xulrunner" backend with configure.
	Not building yet.

svn path=/trunk/; revision=7359

2 files changed, 433 insertions, 8 deletions

diff --git a/m4/gecko.m4 b/m4/gecko.m4
index c537e02ff..f35e12add 100644
--- a/m4/gecko.m4
+++ b/m4/gecko.m4
@@ -106,8 +106,6 @@ if test "$gecko_cv_gecko_flavour" = "toolkit"; then
 	AC_DEFINE([HAVE_MOZILLA_TOOLKIT],[1],[Define if mozilla is of the toolkit flavour])
 fi
 
-AM_CONDITIONAL([HAVE_MOZILLA_TOOLKIT],[test "$gecko_cv_gecko_flavour" = "toolkit"])
-
 $1[]=$gecko_cv_gecko
 $1[]_FLAVOUR=$gecko_cv_gecko_flavour
 $1[]_INCLUDE_ROOT=$_GECKO_INCLUDE_ROOT
@@ -230,7 +228,6 @@ fi
 
 fi # if gecko_cv_have_gecko
 
-AM_CONDITIONAL([HAVE_GECKO_DEBUG],[test "$gecko_cv_have_debug" = "yes"])
 
 # ***********************
 # Check for gecko version
@@ -311,11 +308,6 @@ fi
 
 fi # if gecko_cv_have_gecko
 
-AM_CONDITIONAL([HAVE_GECKO_1_7],[test "$gecko_cv_gecko_version_int" -ge "1007000"])
-AM_CONDITIONAL([HAVE_GECKO_1_8],[test "$gecko_cv_gecko_version_int" -ge "1008000"])
-AM_CONDITIONAL([HAVE_GECKO_1_8_1],[test "$gecko_cv_gecko_version_int" -ge "1008001"])
-AM_CONDITIONAL([HAVE_GECKO_1_9],[test "$gecko_cv_gecko_version_int" -ge "1009000"])
-
 $1[]_VERSION=$gecko_cv_gecko_version
 $1[]_VERSION_INT=$gecko_cv_gecko_version_int
 
@@ -340,6 +332,22 @@ $1[]_GLUE_LIBS="$gecko_cv_glue_libs"
 
 ])
 
+# GECKO_DEFINES
+#
+# Defines the AM_CONDITIONALS for GECKO_INIT. This is a separate call
+# so that you may call GECKO_INIT conditionally; but note that you must
+# call GECKO_DEFINES _unconditionally_ !
+
+AC_DEFUN([GECKO_DEFINES],
+[
+AM_CONDITIONAL([HAVE_MOZILLA_TOOLKIT],[test "$gecko_cv_have_gecko" = "yes" -a "$gecko_cv_gecko_flavour" = "toolkit"])
+AM_CONDITIONAL([HAVE_GECKO_DEBUG],[test "$gecko_cv_have_gecko" = "yes" -a "$gecko_cv_have_debug" = "yes"])
+AM_CONDITIONAL([HAVE_GECKO_1_7],[test "$gecko_cv_have_gecko" = "yes" -a "$gecko_cv_gecko_version_int" -ge "1007000"])
+AM_CONDITIONAL([HAVE_GECKO_1_8],[test "$gecko_cv_have_gecko" = "yes" -a "$gecko_cv_gecko_version_int" -ge "1008000"])
+AM_CONDITIONAL([HAVE_GECKO_1_8_1],[test "$gecko_cv_have_gecko" = "yes" -a "$gecko_cv_gecko_version_int" -ge "1008001"])
+AM_CONDITIONAL([HAVE_GECKO_1_9],[test "$gecko_cv_have_gecko" = "yes" -a "$gecko_cv_gecko_version_int" -ge "1009000"])
+])
+
 # ***************************************************************************
 # ***************************************************************************
 # ***************************************************************************
diff --git a/m4/libxul.m4 b/m4/libxul.m4
new file mode 100644
index 000000000..9e9d029a5
--- /dev/null
+++ b/m4/libxul.m4
@@ -0,0 +1,417 @@
+# 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([DO-CHECK],[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
+
+PKG_CHECK_EXISTS([libxul],[libxul_cv_have_libxul=yes],[libxul_cv_have_libxul=no])
+if test "$libxul_cv_have_libxul" != "yes"; then
+  AC_MSG_ERROR([libxul not found])
+fi
+
+libxul_cv_prefix="$($PKG_CONFIG --variable=prefix libxul)"
+libxul_cv_include_root="$($PKG_CONFIG --variable=includedir libxul)"
+libxul_libdir="$($PKG_CONFIG --variable=sdkdir libxul)"
+
+libxul_includes="$libxul_cv_include_root/stable $libxul_cv_include_root/unstable"
+
+AC_DEFINE([HAVE_LIBXUL],[1],[Define for libxul])
+
+LIBXUL_PREFIX="$libxul_cv_prefix"
+LIBXUL_INCLUDE_ROOT="$libxul_cv_include_root"
+LIBXUL_INCLUDES="$libxul_cv_includes"
+LIBXUL_LIBDIR="$libxul_cv_libdir"
+
+# **************************************************************
+# This is really gcc-only
+# Do this test using CXX only since some versions of gcc
+# 2.95-2.97 have a signed wchar_t in c++ only and some versions
+# only have short-wchar support for c++.
+# **************************************************************
+
+LIBXUL_CXXCPPFLAGS=
+LIBXUL_CXXFLAGS=
+LIBXUL_LDFLAGS=
+
+AC_LANG_PUSH([C++])
+
+_SAVE_CXXFLAGS=$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 $LIBXUL_INCLUDES"
+
+AC_MSG_CHECKING([[whether we have a libxul debug build]])
+AC_COMPILE_IFELSE(
+  [AC_LANG_SOURCE([[#include <mozilla-config.h>
+		    #if !defined(MOZ_REFLOW_PERF) || !defined(MOZ_REFLOW_PERF_DSP)
+		    #error No
+		    #endif]]
+  )],
+  [libxul_cv_have_debug=yes],
+  [libxul_cv_have_debug=no])
+AC_MSG_RESULT([$libxul_cv_have_debug])
+
+CPPFLAGS="$_SAVE_CPPFLAGS"
+
+AC_LANG_POP([C++])
+
+if test "$libxul_cv_have_debug" = "yes"; then
+	LIBXUL_CXXCPPFLAGS="$LIBXUL_CXXCPPFLAGS -DDEBUG -D_DEBUG"
+
+	AC_DEFINE([HAVE_LIBXUL_DEBUG],[1],[Define if libxul is a debug build])
+fi
+
+# *********
+# Finish up
+# *********
+
+AC_SUBST([LIBXUL_PREFIX])
+AC_SUBST([LIBXUL_INCLUDE_ROOT])
+AC_SUBST([LIBXUL_INCLUDES])
+AC_SUBST([LIBXUL_LIBDIR])
+AC_SUBST([LIBXUL_CXXCPPFLAGS])
+AC_SUBST([LIBXUL_CXXFLAGS])
+AC_SUBST([LIBXUL_LDFLAGS])
+
+])
+
+# LIBXUL_DEFINES
+#
+# Automake defines for libxul. Not included in LIBXUL_INIT so that
+# LIBXUL_INIT may be called conditionally. If you use LIBXUL_INIT,
+# you _must_ call LIBXUL_DEFINES, unconditionally.
+
+AC_DEFUN([LIBXUL_DEFINES],
+[
+
+AM_CONDITIONAL([HAVE_LIBXUL],[test "$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
+
+])