sgpemv2/plugins/pyloader/configure.ac

# configure.ac - Copyright 2005, University
#                of Padova, dept. of Pure and Applied
#                Mathematics
#
# This file is part of SGPEMv2.
#
# This 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.
#
# SGPEMv2 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 SGPEMv2; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

dnl ----------------- CONFIGURE ---------------------

AC_INIT([sgpemv2-pyloader],[0.1],[matteo@member.fsf.org])

if test -f "`pwd`/configure.ac"; then
        AC_MSG_FAILURE([
        ** This seems to be the pkg root directory.
	** Compiling here your sources is considered
	** as unpolite as exploring your nose with 
	** your pinky whilst attending a wedding party.
        ** Please create a new dir as described in
        ** the README file, and then run configure
        ** into it. If you think you've got it right, 
	** please inform the mantainer of this error!
	** He'll thoroughfully bash his head on the wall.], 
	-1 )
fi

AC_GNU_SOURCE
AC_CONFIG_AUX_DIR(config)

AC_CANONICAL_TARGET

dnl starting automake
AM_INIT_AUTOMAKE([dejagnu dist-bzip2])

dnl gettext & libtool
AC_ARG_VAR([LT_LDFLAGS],
[You can use this variable to pass an option 
to libtool when it is in linking mode (for 
example, "-all-static")])
AC_PROG_LIBTOOL
AM_GNU_GETTEXT([external])
AM_GNU_GETTEXT_VERSION([0.14.1])

dnl PYTHON_VERSION is declared precious by AC_PYTHON_DEVEL,
dnl so don't use it here
PY_VERSION=2.3
GTKMM_VERSION=2.8.0
SGPEMV2_VERSION=0.1

dnl c++ compiler and flags
AC_PROG_CXX
AC_CHECK_CXXFLAG([CXXFLAGS], [Wall])
AC_CHECK_CXXFLAG([CXXFLAGS], [pedantic])
AC_CHECK_CXXFLAG([CXXFLAGS], [Wextra])
AC_CHECK_CXXFLAG([CXXFLAGS], [Wno-long-long])
AC_CHECK_LDFLAG([LDFLAGS], [--as-needed])

AC_PROG_INSTALL

dnl make
AC_PROG_MAKE_SET

dnl check for python and SWIG
AC_PYTHON_DEVEL([>= '$PY_VERSION'])
AC_PROG_SWIG
SWIG_ENABLE_CXX
SWIG_PYTHON

dnl add pkg-config search path for sgpemv2-uninstalled.pc 
dnl if we're building in a subdir of that pkg it will be 
dnl in $build_dir/config
_old_pkg_path=$[]PKG@&t@_CONFIG_PATH
export PKG_@&t@CONFIG_PATH="./config:$PKG_CONFIG_PATH"

dnl check for sgpemv2!
AC_PROG_SGPEMV2([$SGPEMV2_VERSION])

dnl revert from old var
dnl FIXME: probably you can safely remove this block:
if test "x$_old_pkg_path" = "x"; then
	unset -v PKG@&t@_CONFIG_PATH
else
	export PKG@&t@_CONFIG_PATH="$_old_pkg_path"
fi

dnl check for glib & cairo
PKG_CHECK_MODULES([GTHREAD], 
		[gthread-2.0 >= $GTKMM_VERSION],
		:, AC_MSG_ERROR([$GTHREAD_PKG_ERRORS]))
PKG_CHECK_MODULES([GLIBMM], 
		[glibmm-2.4 >= $GTKMM_VERSION],
		:, AC_MSG_ERROR([$GLIBMM_PKG_ERRORS]))

dnl use DSO visibility tags for systems that supports it correctly
dnl (for example, GCC 4.0 and above)
dnl see http://gcc.gnu.org/wiki/Visibility for more informations
AH_TEMPLATE([SG_DLLEXPORT],[Attribute for objects to be exported from DSOs])
AH_TEMPLATE([SG_DLLIMPORT],[Attribute for objects to be imported from DSOs])
AH_TEMPLATE([SG_DLLLOCAL], [Attribute for objects local to current DSO])
AH_TEMPLATE([SG_DLLPUBLIC],[Attribute for DSO public objects])

AC_ARG_ENABLE([visibility-support],
    AS_HELP_STRING([--disable-visibility-support],
                   [disable the new GCC visibility support]),
    [enable_gcc_visibility="$enableval"],
		[enable_gcc_visibility="yes"])
AC_MSG_CHECKING([whether to use new GCC visibility attributes])

dnl for now it works only with GCC >= 4.0.0
AC_LANG_PUSH([C++])
if test "x$enable_gcc_visibility" = "xyes"; then
	 AC_COMPILE_IFELSE(
	 	AC_LANG_PROGRAM([], [
				#if defined __GNUC__ && (__GNUC__) >= 4
						return 0;
				#else
						bails out with a compilation error.
    		#endif
    ]),
		:,
		[enable_gcc_visibility="no"])
fi
AC_LANG_POP				

if test "x$enable_gcc_visibility" = "xyes"; then
	  AC_MSG_RESULT([yes])
		AC_DEFINE([SG_DLLIMPORT],[/* intentionally left with no value */])
		AC_DEFINE([SG_DLLEXPORT],[__attribute__ ((visibility("default")))])
		AC_DEFINE([SG_DLLLOCAL],[__attribute__ ((visibility("hidden")))])
		AC_DEFINE([SG_DLLPUBLIC],[__attribute__ ((visibility("default")))])

		AC_CHECK_CXXFLAG([VISIB_HIDDEN], [fvisibility=hidden])
		AC_SUBST([VISIB_HIDDEN])
		AC_CHECK_CXXFLAG([CXXFLAGS],[fvisibility-inlines-hidden])
else
		AC_MSG_RESULT([no])
		AC_DEFINE([SG_DLLIMPORT],[/* unsupported */])
		AC_DEFINE([SG_DLLEXPORT],[/* unsupported */])
		AC_DEFINE([SG_DLLLOCAL],[/* unsupported */])
		AC_DEFINE([SG_DLLPUBLIC],[/* unsupported */])
fi


dnl see if we've to compile tests
AC_MSG_CHECKING([whether tests have to be built])
AC_ARG_ENABLE([tests],
   AS_HELP_STRING([--disable-tests], 
                  [don't compile the tests provided with sgpemv2]),
   [compile_tests="$enableval"],
   [compile_tests="yes"])
AC_MSG_RESULT([$compile_tests])
AM_CONDITIONAL([COND_TESTS], [test "$compile_tests" = "yes"])

dnl output files
AC_CONFIG_HEADERS([config.h:config.h.in])

AC_CONFIG_FILES([ 
Makefile
po/Makefile.in
])
AC_OUTPUT