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fbe202f49b
The function can have a wider use, so moved then to a more neutral place and gave them more generic names. Signed-off-by: Christophe CURIS <christophe.curis@free.fr>
105 lines
3.5 KiB
Plaintext
105 lines
3.5 KiB
Plaintext
# windowmaker.m4 - General macros for Window Maker autoconf
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#
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# Copyright (c) 2004 Dan Pascu
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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dnl Tell m4 to not allow stuff starting with "WM_" in the generated file
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dnl because this is likely a problem of a macro that was not expanded as
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dnl expected (with an exception for an already used variable name)
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m4_pattern_forbid([^_?WM_])
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m4_pattern_allow([^WM_OSDEP(_[A-Z]*)?$])
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dnl
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dnl WM_CHECK_XFT_VERSION(MIN_VERSION, [ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]])
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dnl
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dnl # $XFTFLAGS should be defined before calling this macro,
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dnl # else it will not be able to find Xft.h
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dnl
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AC_DEFUN([WM_CHECK_XFT_VERSION],
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[
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CPPFLAGS_old="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $XFTFLAGS $inc_search_path"
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xft_major_version=`echo $1 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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xft_minor_version=`echo $1 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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xft_micro_version=`echo $1 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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AC_MSG_CHECKING([whether libXft is at least version $1])
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AC_CACHE_VAL(ac_cv_lib_xft_version_ok,
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[AC_TRY_LINK(
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[/* Test version of libXft we have */
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#include <X11/Xlib.h>
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#include <X11/Xft/Xft.h>
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#if !defined(XFT_VERSION) || XFT_VERSION < $xft_major_version*10000 + $xft_minor_version*100 + $xft_micro_version
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#error libXft on this system is too old. Consider upgrading to at least $1
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#endif
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], [],
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eval "ac_cv_lib_xft_version_ok=yes",
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eval "ac_cv_lib_xft_version_ok=no")])
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if eval "test \"`echo '$ac_cv_lib_xft_version_ok'`\" = yes"; then
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AC_MSG_RESULT(yes)
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ifelse([$2], , :, [$2])
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else
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AC_MSG_RESULT(no)
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ifelse([$3], , , [$3])
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fi
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CPPFLAGS="$CPPFLAGS_old"
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])
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dnl _WM_LIB_CHECK_FUNCTS
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dnl -----------------------
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dnl (internal shell functions)
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dnl
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dnl Create 2 shell functions:
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dnl wm_fn_imgfmt_try_link: try to link against library
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dnl wm_fn_imgfmt_try_compile: try to compile against header
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dnl
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AC_DEFUN_ONCE([_WM_LIB_CHECK_FUNCTS],
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[@%:@ wm_fn_lib_try_link FUNCTION LFLAGS
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@%:@ ----------------------------------
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@%:@ Try linking against library in $LFLAGS using function named $FUNCTION
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@%:@ Assumes that LIBS have been saved in 'wm_save_LIBS' by caller
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wm_fn_lib_try_link ()
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{
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LIBS="$wm_save_LIBS $[]2"
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AC_TRY_LINK_FUNC([$[]1],
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[wm_retval=0],
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[wm_retval=1])
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AS_SET_STATUS([$wm_retval])
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}
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@%:@ wm_fn_lib_try_compile HEADER GVARDEF FUNC_CALL CFLAGS
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@%:@ -----------------------------------------------------
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@%:@ Try to compile using header $HEADER and trying to call a function
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@%:@ using the $FUNC_CALL expression and using extra $CFLAGS in the
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@%:@ compiler's command line; GVARDEF can be used to include one line
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@%:@ in the global context of the source.
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@%:@ Assumes that CFLAGS have been saved in 'wm_save_CFLAGS' by caller
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wm_fn_lib_try_compile ()
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{
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CFLAGS="$wm_save_CFLAGS $[]4"
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([@%:@include <$[]1>
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$[]2], [ $[]3;])],
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[wm_retval=0],
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[wm_retval=1])
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AS_SET_STATUS([$wm_retval])
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}
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])
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