# 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

m4_define([epiphany_version_major],[2])
m4_define([epiphany_version_minor],[27])
m4_define([epiphany_version_micro],[0])
m4_define([epiphany_version],[epiphany_version_major.epiphany_version_minor.epiphany_version_micro])

# This can be either "trunk" or "branches/gnome-x-y"
m4_define([epiphany_branch],["trunk"])

AC_INIT([GNOME Web Browser],[epiphany_version],[http://bugzilla.gnome.org/enter_bug.cgi?product=epiphany],[epiphany])

GNOME_COMMON_INIT

AC_PREREQ([2.59])

AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_SRCDIR([configure.ac])

EPIPHANY_API_VERSION=2.27

# This should stay at the major version of the latest stable releases
EPIPHANY_UA_VERSION=2.22

AC_SUBST([EPIPHANY_MAJOR],[epiphany_version_major.epiphany_version_minor])
AC_SUBST([EPIPHANY_API_VERSION])
AC_SUBST([EPIPHANY_UA_VERSION])

# for EPHY_CHECK_VERSION
AC_SUBST([EPIPHANY_MAJOR_VERSION], [epiphany_version_major])
AC_SUBST([EPIPHANY_MINOR_VERSION], [epiphany_version_minor])
AC_SUBST([EPIPHANY_MICRO_VERSION], [epiphany_version_micro])

# Build ID
BUILDID="$(TZ=UTC0 date +'%Y%m%d')"
AC_SUBST([BUILDID])

AM_INIT_AUTOMAKE([1.9 foreign dist-bzip2 no-dist-gzip tar-ustar])

if test -z "$enable_maintainer_mode"; then
  enable_maintainer_mode=yes
fi
AM_MAINTAINER_MODE([enable])

AC_ENABLE_SHARED([yes])
AC_ENABLE_STATIC([no])

AC_LIBTOOL_DLOPEN
AC_PROG_LIBTOOL
DOLT

AC_ISC_POSIX
AC_PROG_CC
AM_PROG_CC_STDC
AC_HEADER_STDC

AC_PATH_PROG([GLIB_GENMARSHAL], [glib-genmarshal])
AC_PATH_PROG([GLIB_MKENUMS],[glib-mkenums])

IT_PROG_INTLTOOL([0.40.0])

PKG_PROG_PKG_CONFIG

GNOME_DEBUG_CHECK
GNOME_COMPILE_WARNINGS([maximum])
GNOME_MAINTAINER_MODE_DEFINES

MORE_WARN_FLAGS=
DEPRECATION_FLAGS=

if test "$enable_maintainer_mode" = "yes"; then
	AC_DEFINE([MAINTAINER_MODE],[1],[Define to enable 'maintainer-only' behaviour])
	enable_debug=yes
	DEPRECATION_FLAGS="-DG_DISABLE_DEPRECATED -DGDK_DISABLE_DEPRECATED -DGDK_PIXBUF_DISABLE_DEPRECATED -DGCONF_DISABLE_DEPRECATED -DPANGO_DISABLE_DEPRECATED -DGNOME_DISABLE_DEPRECATED -DGTK_DISABLE_DEPRECATED"
fi

GLIB_REQUIRED=2.18.0
GTK_REQUIRED=2.15.0
LIBXML_REQUIRED=2.6.12
LIBXSLT_REQUIRED=1.1.7
LIBSTARTUP_NOTIFICATION_REQUIRED=0.5
LIBNOTIFY_REQUIRED=0.4
DBUS_GLIB_REQUIRED=0.35
WEBKIT_GTK_REQUIRED=1.1.1
LIBSOUP_GNOME_REQUIRED=2.25.91

PKG_CHECK_EXISTS([libnotify >= $LIBNOTIFY_REQUIRED],[have_libnotify=yes],[have_libnotify=no])

LIBNOTIFY_PACKAGE=
if test "$have_libnotify" = "yes"; then
  LIBNOTIFY_PACKAGE="libnotify >= $LIBNOTIFY_REQUIRED"
  AC_DEFINE([HAVE_LIBNOTIFY],[1],[Define if libnotify is available])
fi

# Tests

AC_MSG_CHECKING([whether to build tests])
AC_ARG_ENABLE([tests],
	AS_HELP_STRING([--enable-tests],[Wheter to build tests (default: yes)]),
	[], [enable_tests=yes])
AC_MSG_RESULT([$enable_tests])

AM_CONDITIONAL([ENABLE_TESTS],[test "$enable_tests" = "yes"])

PKG_CHECK_MODULES([DEPENDENCIES], [
		  glib-2.0 >= $GLIB_REQUIRED
		  gmodule-2.0
		  gio-unix-2.0 >= $GLIB_REQUIRED
		  gtk+-2.0 >= $GTK_REQUIRED
		  gtk+-unix-print-2.0 >= $GTK_REQUIRED
		  sm
		  libxml-2.0 >= $LIBXML_REQUIRED
		  libxslt >= $LIBXSLT_REQUIRED
		  gconf-2.0
		  libstartup-notification-1.0 >= $LIBSTARTUP_NOTIFICATION_REQUIRED
		  $LIBNOTIFY_PACKAGE
		  webkit-1.0 >= $WEBKIT_GTK_REQUIRED
		  libsoup-gnome-2.4 >= $LIBSOUP_GNOME_REQUIRED
		  ])

# ****
# DBUS
# ****

PKG_CHECK_MODULES([DBUS],[dbus-glib-1 >= $DBUS_GLIB_REQUIRED])

AC_PATH_PROG([DBUS_BINDING_TOOL],[dbus-binding-tool],[no])

if test "$DBUS_BINDING_TOOL" = "no"; then
	AC_MSG_ERROR([dbus-binding-tool not found])
fi

# *****
# GConf
# *****

AM_GCONF_SOURCE_2

AC_PATH_PROG([GCONFTOOL], [gconftool-2], [no])

if test "$GCONFTOOL" = "no"; then
	AC_MSG_ERROR([gconftool-2 not found])
fi

# ******************
# Portability checks
# ******************

AC_CHECK_FUNCS([mkdtemp])

# for backtrace()
AC_CHECK_HEADERS([execinfo.h])

# Check for -Wdeclaration-after-statement (since gcc 3.4)

if test "$enable_maintainer_mode" = "yes"; then

	AC_LANG_PUSH([C])
	_FLAGS="-Wdeclaration-after-statement"
	_SAVE_CFLAGS=$CFLAGS
	CFLAGS="$CFLAGS $_FLAGS"

	AC_CACHE_CHECK([for compiler $FLAGS option],
		ac_cv_have_declaration_after_statement,
		[AC_COMPILE_IFELSE(
			[AC_LANG_SOURCE([[int main () { return 0; }]])],
			[ac_cv_have_declaration_after_statement="yes"],
			[ac_cv_have_declaration_after_statement="no"],
			[ac_cv_have_declaration_after_statement="maybe"])])
	
	if test "$ac_cv_have_declaration_after_statement" = "yes"; then
		MORE_WARN_FLAGS="$MORE_WARN_FLAGS $_FLAGS"
	fi
	CFLAGS="$_SAVE_CFLAGS"
	AC_LANG_POP([C])
fi

# ***************
# Multimedia keys
# ***************

AC_CHECK_HEADERS([X11/XF86keysym.h])

EPIPHANY_FEATURES=

# *********************
# GObject Introspection
# *********************

AC_MSG_CHECKING([whether to enable GObject introspection support])
AC_ARG_ENABLE([introspection],
  [AS_HELP_STRING([--enable-introspection],[Enable GObject introspection (default: disabled)])],
  [],[enable_introspection=no])
AC_MSG_RESULT([$enable_introspection])

G_IR_SCANNER=
G_IR_COMPILER=
G_IR_GENERATE=
GIRDIR=
GIRTYPELIBDIR=

if test "$enable_introspection" = "yes"; then
  EPIPHANY_FEATURES="$EPIPHANY_FEATURES introspection"

  GOBJECT_INTROSPECTION_REQUIRED=0.6.2
  PKG_CHECK_MODULES([INTROSPECTION],[gobject-introspection-1.0 >= $GOBJECT_INTROSPECTION_REQUIRED])
  
  G_IR_SCANNER="$($PKG_CONFIG --variable=g_ir_scanner gobject-introspection-1.0)"
  G_IR_COMPILER="$($PKG_CONFIG --variable=g_ir_compiler gobject-introspection-1.0)"
  G_IR_GENERATE="$($PKG_CONFIG --variable=g_ir_generate gobject-introspection-1.0)"
  GIRDIR="$($PKG_CONFIG --variable=girdir gobject-introspection-1.0)"
  GIRTYPELIBDIR="$($PKG_CONFIG --variable=typelibdir gobject-introspection-1.0)"

  AC_DEFINE([ENABLE_INTROSPECTION],[1],[Define to enable GObject introspection support])
fi

AC_SUBST([G_IR_SCANNER])
AC_SUBST([G_IR_COMPILER])
AC_SUBST([G_IR_GENERATE])
AC_SUBST([GIRDIR])
AC_SUBST([GIRTYPELIBDIR])

AM_CONDITIONAL([ENABLE_INTROSPECTION],[test "$enable_introspection" = "yes"])

# ****
# Seed
# ****

AC_MSG_CHECKING([whether Seed support is requested])
AC_ARG_ENABLE([seed],
  [AS_HELP_STRING([--enable-seed],[Enable Seed support (default: disabled)])],
  [],[enable_seed=no])
AC_MSG_RESULT([$enable_seed])

if test "$enable_seed" = "yes" -a "$enable_introspection" != "yes"; then
  AC_MSG_ERROR([GObject introspection support must be enabled for Seed])
fi

if test "$enable_seed" = "yes"; then
  EPIPHANY_FEATURES="$EPIPHANY_FEATURES seed"

  SEED_REQUIRED=0
  PKG_CHECK_MODULES([SEED],[seed >= $SEED_REQUIRED])

  AC_DEFINE([ENABLE_SEED],[1],[Define to compile with Seed support])
fi

AM_CONDITIONAL([ENABLE_SEED],[test "$enable_seed" = "yes"])

# ******
# Python
# ******

AC_MSG_CHECKING([whether Python support is requested])
AC_ARG_ENABLE([python],
	AS_HELP_STRING([--enable-python],[Enable python support]),
	[enable_python=$enableval have_python=$enableval],
	[enable_python=autodetect have_python=yes])
AC_MSG_RESULT([$enable_python])

if test "$enable_seed" = "yes" -a "$enable_python" != "no"; then
  AC_MSG_ERROR([cannot enable seed and python support at the same time])
fi

if test "$have_python" != "no"; then
	AM_PATH_PYTHON([2.3],[],[no])

	if test "x$PYTHON" = "x:"; then
		have_python=no
	fi
fi

if test "$have_python" != "no"; then
	AM_CHECK_PYTHON_HEADERS([],[have_python=no])
fi

if test "$have_python" != "no"; then
	PY_PREFIX=`$PYTHON -c 'import sys ; print sys.prefix'`
	PY_EXEC_PREFIX=`$PYTHON -c 'import sys ; print sys.exec_prefix'`
	PYTHON_LIBS="-lpython$PYTHON_VERSION"
	PYTHON_LIB_LOC="-L$PY_EXEC_PREFIX/lib/python$PYTHON_VERSION/config"
	PYTHON_CFLAGS="-I$PY_PREFIX/include/python$PYTHON_VERSION"
	PYTHON_MAKEFILE="$PY_EXEC_PREFIX/lib/python$PYTHON_VERSION/config/Makefile"
	PYTHON_LOCALMODLIBS=`sed -n -e 's/^LOCALMODLIBS=\(.*\)/\1/p' $PYTHON_MAKEFILE`
	PYTHON_BASEMODLIBS=`sed -n -e 's/^BASEMODLIBS=\(.*\)/\1/p' $PYTHON_MAKEFILE`
	PYTHON_OTHER_LIBS=`sed -n -e 's/^LIBS=\(.*\)/\1/p' $PYTHON_MAKEFILE`
	PYTHON_EXTRA_LIBS="$PYTHON_LOCALMODLIBS $PYTHON_BASEMODLIBS $PYTHON_OTHER_LIBS"
	AC_SUBST([PYTHON_LIBS])
	AC_SUBST([PYTHON_LIB_LOC])
	AC_SUBST([PYTHON_CFLAGS])
	AC_SUBST([PYTHON_EXTRA_LIBS])
fi

if test "$have_python" != "no"; then
	PYGTK_REQUIRED=2.7.1
	GNOME_PYTHON_REQUIRED=2.6.0

	PKG_CHECK_MODULES([PYGTK], [pygtk-2.0 >= $PYGTK_REQUIRED gnome-python-2.0 >= $GNOME_PYTHON_REQUIRED],
		[],[have_python=no])

	AC_SUBST([PYGTK_CFLAGS])
	AC_SUBST([PYGTK_LIBS])
fi

if test "$have_python" != "no"; then
	AC_MSG_CHECKING([for pygtk defs])
	PYGTK_DEFSDIR=`$PKG_CONFIG --variable=defsdir pygtk-2.0`
	AC_MSG_RESULT([$PYGTK_DEFSDIR])

	AC_MSG_CHECKING([for pygtk codegen])
	PYGTK_CODEGEN="$PYTHON `$PKG_CONFIG --variable=codegendir pygtk-2.0`/codegen.py"
	AC_MSG_RESULT([$PYGTK_CODEGEN])

	AC_MSG_CHECKING([for pygtk h2def])
	PYGTK_H2DEF="$PYTHON `$PKG_CONFIG --variable=codegendir pygtk-2.0`/h2def.py"
	AC_MSG_RESULT([$PYGTK_H2DEF])
	
	AC_SUBST([PYGTK_DEFSDIR])
	AC_SUBST([PYGTK_CODEGEN])
	AC_SUBST([PYGTK_H2DEF])

	# Check for -fno-strict-aliasing
	FLAGS="-fno-strict-aliasing"
	save_CFLAGS="$CFLAGS"
	CFLAGS="$CFLAGS $FLAGS"
	AC_MSG_CHECKING([whether [$]CC understands $FLAGS])
	AC_TRY_COMPILE([], [], [compiler_has_option=yes], [compiler_has_option=no])
	CFLAGS="$save_CFLAGS"
	AC_MSG_RESULT($compiler_has_option)
	if test $compiler_has_option = yes; then
		NO_STRICT_ALIASING_CFLAGS="$FLAGS"
	fi
	AC_SUBST([NO_STRICT_ALIASING_CFLAGS])
fi

if test "$have_python" != "yes"; then
	if test "$enable_python" = "yes"; then
		AC_MSG_ERROR([Python not found])
	elif test "$enable_python" = "autodetect"; then
		enable_python=no
		AC_MSG_WARN([Python not found, disabling python support])
	fi
elif test "$enable_python" != "no"; then
	enable_python=yes
	AC_DEFINE([ENABLE_PYTHON],[1],[Define to compile with python support])
	EPIPHANY_FEATURES="$EPIPHANY_FEATURES python"
fi

AM_CONDITIONAL([ENABLE_PYTHON],[test "$enable_python" = "yes"])

AC_SUBST([EPIPHANY_FEATURES])

# *******************
# Additional features
# *******************

# Zeroconf bookmarks sites

AC_MSG_CHECKING([whether to enable zeroconf bookmarks support])
AC_ARG_ENABLE([zeroconf],
	AS_HELP_STRING([--disable-zeroconf],[Whether to enable zeroconf bookmarks support (default: autodetect)]),
	[], [enable_zeroconf=auto])
AC_MSG_RESULT([$enable_zeroconf])

if test "$enable_zeroconf" != "no"; then
	AVAHI_REQUIRED=0.6.22

	PKG_CHECK_MODULES(AVAHI,
                         [avahi-gobject >= $AVAHI_REQUIRED
                          avahi-client >= $AVAHI_REQUIRED]
                         ,[have_avahi=yes],[have_avahi=no])

        if test "$enable_zeroconf" = "yes" -a "$have_avahi" = "no"; then
                AC_MSG_ERROR([zeroconf support was requested but avahi not found])
        elif test "$have_avahi" = "yes"; then
                enable_zeroconf=yes
        else
                enable_zeroconf=no
        fi
fi

if test "$enable_zeroconf" = "yes"; then
	AC_DEFINE([ENABLE_ZEROCONF],[1],[Define to enable zeroconf bookmarks support])
fi

AM_CONDITIONAL([ENABLE_ZEROCONF],[test "$enable_zeroconf" = "yes"])

# NetworkManager

AC_MSG_CHECKING([whether to enable NetworkManager support])
AC_ARG_ENABLE([network-manager],
	AS_HELP_STRING([--enable-network-manager],[Whether to enable automatic network status with NetworkManager (default: disabled)]),
	[],[enable_network_manager=no])
AC_MSG_RESULT([$enable_network_manager])

if test "$enable_network_manager" != "no"; then
	PKG_CHECK_MODULES(NETWORK_MANAGER, NetworkManager, [have_network_manager=yes],[have_network_manager=no])

	if test "$enable_network_manager" = "yes" -a "$have_network_manager" = "no"; then
		AC_MSG_ERROR([NetworkManager support requested but NetworkManager headers not found])
	elif test "$have_network_manager" = "no"; then
		AC_MSG_WARN([NetworkManager headers not found; disabling NetworkManager support])
	fi
fi

if test "$enable_network_manager" = "yes"; then
	AC_DEFINE([ENABLE_NETWORK_MANAGER],[1],[Define for NetworkManager support])
fi

AM_CONDITIONAL([ENABLE_NETWORK_MANAGER],[test "$enable_network_manager" = "yes"])

# ************
# Misc defines
# ************

# uninstalled share dir to search data
AC_DEFINE_UNQUOTED([SHARE_UNINSTALLED_DIR], ["`pwd`/data"], [path to source data dir])

# *******************************
# Add warning flags
# *******************************

AM_CPPFLAGS="$AM_CPPFLAGS $DEPRECATION_FLAGS"
AM_CFLAGS="$AM_CFLAGS $WARN_CFLAGS $MORE_WARN_FLAGS"
AC_SUBST([AM_CPPFLAGS])
AC_SUBST([AM_CFLAGS])
AC_SUBST([AM_LDFLAGS])

# *******************************
# Internationalization
# ******************************* 

ISO_CODES_REQUIRED=0.35

PKG_CHECK_EXISTS([iso-codes >= $ISO_CODES_REQUIRED],
	[have_iso_codes=yes],[have_iso_codes=no])

if test "$have_iso_codes" = "yes"; then
	AC_MSG_CHECKING([whether iso-codes has iso-639 and iso-3166 domains])
	if $PKG_CONFIG --variable=domains iso-codes | grep -q 639 && \
	   $PKG_CONFIG --variable=domains iso-codes | grep -q 3166 ; then
		result=yes
	else
		result=no
		have_iso_codes=no
	fi
	AC_MSG_RESULT([$result])
fi

if test "$have_iso_codes" = "yes"; then
	AC_DEFINE_UNQUOTED([ISO_CODES_PREFIX],["`$PKG_CONFIG --variable=prefix iso-codes`"],[ISO codes prefix])
	AC_DEFINE([HAVE_ISO_CODES],[1],[Define if you have the iso-codes package])
else
	AC_MSG_ERROR([iso-codes is required])
fi

GETTEXT_PACKAGE=epiphany
AC_SUBST([GETTEXT_PACKAGE])
AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE],["$GETTEXT_PACKAGE"],[Gettext package])
AM_GLIB_GNU_GETTEXT

# uninstalled share dir to search data
AC_DEFINE_UNQUOTED([SHARE_UNINSTALLED_DIR], ["`pwd`/data"], [path to source data dir])

AM_CONDITIONAL([ENABLE_SPELLCHECKER],[false])

# ****************
# Distributor name
# ****************

AC_ARG_WITH([distributor-name],
  AS_HELP_STRING([--with-distributor-name=name],[Set the distributor name]),
  [LSB_DISTRIBUTOR="$withval"])

if test -z "$LSB_DISTRIBUTOR"; then
	AC_CHECK_PROGS([LSB_RELEASE], [lsb_release],)
	if test -n "$LSB_RELEASE"; then
		# Fallback on lsb_release if available
		LSB_DISTRIBUTOR=$($LSB_RELEASE -i -s)
	else
		# Fallback on the product name
		LSB_DISTRIBUTOR="Epiphany"
	fi
fi

AC_DEFINE_UNQUOTED([LSB_DISTRIBUTOR],["$LSB_DISTRIBUTOR"],[Distributor name])

# *****************
# API Documentation
# *****************

GNOME_DOC_INIT
GTK_DOC_CHECK([1.0])

# ****************************
# SVN for ChangeLog generation
# ****************************

AC_SUBST([SVN_ROOT],[http://svn.gnome.org/svn])
AC_SUBST([SVN_MODULE],[epiphany])
AC_SUBST([SVN_BRANCH],[epiphany_branch])

# **************************
# gtk-builder-convert binary
# **************************

AC_PATH_PROG([GTK_BUILDER_CONVERT],[gtk-builder-convert],[false])
if test "$GTK_BUILDER_CONVERT" = "false"; then
  AC_MSG_ERROR([gtk-builder-convert not found])
fi

# ************
# Output files
# ************

AC_DEFINE([EPIPHANY_COMPILATION],[1],[Compiling epiphany])

AC_CONFIG_FILES([
Makefile
data/Makefile
data/epiphany-${EPIPHANY_API_VERSION}.pc:data/epiphany.pc.in
data/epiphany.desktop.in
data/bme.desktop.in
data/glade/Makefile
data/icons/Makefile
data/art/Makefile
data/ui/Makefile
doc/Makefile
doc/reference/Makefile
lib/Makefile
lib/egg/Makefile
lib/widgets/Makefile
embed/Makefile
embed/webkit/Makefile
src/Makefile
src/bookmarks/Makefile
src/epiphany.h
help/Makefile
po/Makefile.in
tests/Makefile
],
[],
[EPIPHANY_API_VERSION=$EPIPHANY_API_VERSION])

AC_OUTPUT

# *************************************
# *************************************

echo "
Epiphany was configured with the following options:
        
	Source code location       : $srcdir
	Compiler                   : $CC
	Prefix                     : $prefix
	Extra debugging support    : $enable_debug

 	Zeroconf bookmarks support : $enable_zeroconf
 	NetworkManager support     : $enable_network_manager
 	GObject introspection      : $enable_introspection
 	Seed support               : $enable_seed
 	Python support             : $enable_python
 	Build tests                : $enable_tests
"