File: acinclude.m4

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dnl @synopsis AC_PATH_GENERIC(LIBRARY [, MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl
dnl Runs a LIBRARY-config script and defines LIBRARY_CFLAGS and LIBRARY_LIBS
dnl
dnl The script must support `--cflags' and `--libs' args.
dnl If MINIMUM-VERSION is specified, the script must also support the
dnl `--version' arg.
dnl If the `--with-library-[exec-]prefix' arguments to ./configure are given,
dnl it must also support `--prefix' and `--exec-prefix'.
dnl (In other words, it must be like gtk-config.)
dnl
dnl For example:
dnl
dnl    AC_PATH_GENERIC(Foo, 1.0.0)
dnl
dnl would run `foo-config --version' and check that it is at least 1.0.0
dnl
dnl If so, the following would then be defined:
dnl
dnl    FOO_CFLAGS to `foo-config --cflags`
dnl    FOO_LIBS   to `foo-config --libs`
dnl
dnl At present there is no support for additional "MODULES" (see AM_PATH_GTK)
dnl (shamelessly stolen from gtk.m4 and then hacked around a fair amount)
dnl
dnl @author Angus Lees <gusl@cse.unsw.edu.au>
dnl @version $Id: ac_path_generic.m4,v 1.1.1.1 2001/07/26 00:46:28 guidod Exp $

AC_DEFUN([AC_PATH_GENERIC],
[dnl
dnl we're going to need uppercase, lowercase and user-friendly versions of the
dnl string `LIBRARY'
pushdef([UP], translit([$1], [a-z], [A-Z]))dnl
pushdef([DOWN], translit([$1], [A-Z], [a-z]))dnl

dnl
dnl Get the cflags and libraries from the LIBRARY-config script
dnl
AC_ARG_WITH(DOWN-prefix,[  --with-]DOWN[-prefix=PFX       Prefix where $1 is installed (optional)],
        DOWN[]_config_prefix="$withval", DOWN[]_config_prefix="")
AC_ARG_WITH(DOWN-exec-prefix,[  --with-]DOWN[-exec-prefix=PFX Exec prefix where $1 is installed (optional)],
        DOWN[]_config_exec_prefix="$withval", DOWN[]_config_exec_prefix="")

  if test x$DOWN[]_config_exec_prefix != x ; then
     DOWN[]_config_args="$DOWN[]_config_args --exec-prefix=$DOWN[]_config_exec_prefix"
     if test x${UP[]_CONFIG+set} != xset ; then
       UP[]_CONFIG=$DOWN[]_config_exec_prefix/bin/DOWN-config
     fi
  fi
  if test x$DOWN[]_config_prefix != x ; then
     DOWN[]_config_args="$DOWN[]_config_args --prefix=$DOWN[]_config_prefix"
     if test x${UP[]_CONFIG+set} != xset ; then
       UP[]_CONFIG=$DOWN[]_config_prefix/bin/DOWN-config
     fi
  fi

  AC_PATH_PROG(UP[]_CONFIG, DOWN-config, no)
  ifelse([$2], ,
     AC_MSG_CHECKING(for $1),
     AC_MSG_CHECKING(for $1 - version >= $2)
  )
  no_[]DOWN=""
  if test "$UP[]_CONFIG" = "no" ; then
     no_[]DOWN=yes
  else
     UP[]_CFLAGS="`$UP[]_CONFIG $DOWN[]_config_args --cflags`"
     UP[]_LIBS="`$UP[]_CONFIG $DOWN[]_config_args --libs`"
     ifelse([$2], , ,[
        DOWN[]_config_major_version=`$UP[]_CONFIG $DOWN[]_config_args \
         --version | sed 's/[[^0-9]]*\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
        DOWN[]_config_minor_version=`$UP[]_CONFIG $DOWN[]_config_args \
         --version | sed 's/[[^0-9]]*\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
        DOWN[]_config_micro_version=`$UP[]_CONFIG $DOWN[]_config_args \
         --version | sed 's/[[^0-9]]*\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
        DOWN[]_wanted_major_version="regexp($2, [\<\([0-9]*\)], [\1])"
        DOWN[]_wanted_minor_version="regexp($2, [\<\([0-9]*\)\.\([0-9]*\)], [\2])"
        DOWN[]_wanted_micro_version="regexp($2, [\<\([0-9]*\).\([0-9]*\).\([0-9]*\)], [\3])"

        # Compare wanted version to what config script returned.
        # If I knew what library was being run, i'd probably also compile
        # a test program at this point (which also extracted and tested
        # the version in some library-specific way)
        if test "$DOWN[]_config_major_version" -lt \
                        "$DOWN[]_wanted_major_version" \
          -o \( "$DOWN[]_config_major_version" -eq \
                        "$DOWN[]_wanted_major_version" \
            -a "$DOWN[]_config_minor_version" -lt \
                        "$DOWN[]_wanted_minor_version" \) \
          -o \( "$DOWN[]_config_major_version" -eq \
                        "$DOWN[]_wanted_major_version" \
            -a "$DOWN[]_config_minor_version" -eq \
                        "$DOWN[]_wanted_minor_version" \
            -a "$DOWN[]_config_micro_version" -lt \
                        "$DOWN[]_wanted_micro_version" \) ; then
          # older version found
          no_[]DOWN=yes
          echo -n "*** An old version of $1 "
          echo -n "($DOWN[]_config_major_version"
          echo -n ".$DOWN[]_config_minor_version"
          echo    ".$DOWN[]_config_micro_version) was found."
          echo -n "*** You need a version of $1 newer than "
          echo -n "$DOWN[]_wanted_major_version"
          echo -n ".$DOWN[]_wanted_minor_version"
          echo    ".$DOWN[]_wanted_micro_version."
          echo "***"
          echo "*** If you have already installed a sufficiently new version, this error"
          echo "*** probably means that the wrong copy of the DOWN-config shell script is"
          echo "*** being found. The easiest way to fix this is to remove the old version"
          echo "*** of $1, but you can also set the UP[]_CONFIG environment to point to the"
          echo "*** correct copy of DOWN-config. (In this case, you will have to"
          echo "*** modify your LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf"
          echo "*** so that the correct libraries are found at run-time)"
        fi
     ])
  fi
  if test "x$no_[]DOWN" = x ; then
     AC_MSG_RESULT(yes)
     ifelse([$3], , :, [$3])
  else
     AC_MSG_RESULT(no)
     if test "$UP[]_CONFIG" = "no" ; then
       echo "*** The DOWN-config script installed by $1 could not be found"
       echo "*** If $1 was installed in PREFIX, make sure PREFIX/bin is in"
       echo "*** your path, or set the UP[]_CONFIG environment variable to the"
       echo "*** full path to DOWN-config."
     fi
     UP[]_CFLAGS=""
     UP[]_LIBS=""
     ifelse([$4], , :, [$4])
  fi
  AC_SUBST(UP[]_CFLAGS)
  AC_SUBST(UP[]_LIBS)

  popdef([UP])
  popdef([DOWN])
])
# xft.m4
# Copyright (c) 2002 Henrik Kinnunen (fluxgen at linuxmail.org)

# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the 
# Software is furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in 
# all copies or substantial portions of the Software. 

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL 
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
# DEALINGS IN THE SOFTWARE.

# AM_PATH_XFT1([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
AC_DEFUN([AM_PATH_XFT1],
[
	AC_CHECK_LIB(Xft, XftFontOpen,
		XFT_LIBS="-lXft"
		[$1],
		[$2]
	)
])

# AM_PATH_XFT2([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
AC_DEFUN([AM_PATH_XFT2],
[
	if test x$pkg_exec_prefix != x ; then
	   xft_args="$xft_args --exec-prefix=$pkg_exec_prefix"
	   if test x${PKG_CONFIG+set} != xset ; then
	       PKG_CONFIG=$pkg_exec_prefix/bin/pkg-config
    fi
fi

if test x$xft_prefix != x ; then
   xft_args="$xft_args --prefix=$xft_prefix"
   if test x${PKG_CONFIG+set} != xset ; then
      PKG_CONFIG=$xft_prefix/bin/pkg-config	  
   fi
fi

AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
if test "x$PKG_CONFIG" = "xno" ; then
	ifelse([$2], , :, [$2])
else 
	XFT_CFLAGS=`$PKG_CONFIG $xftconf_args --cflags xft`
	XFT_LIBS=`$PKG_CONFIG $xftconf_args --libs xft`
	ifelse([$1], , :, [$1])
fi

])

# AM_PATH_XFT(default-value, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
# Test for Xft, and define XFT_CFLAGS and XFT_LIBS
AC_DEFUN([AM_PATH_XFT],
[
 AC_ARG_WITH(xft-prefix,[  --with-xft-prefix=path  Prefix where Xft is installed (optional)],
            xft_prefix="$withval", xft_prefix="")
 AC_ARG_WITH(pkg-exec-prefix,[  --with-pkg-exec-prefix=path Exec prefix where pkg-config is installed (optional)],
            pkg_exec_prefix="$withval", pkg_exec_prefix="")
 AC_ARG_ENABLE(xft, [  --enable-xft            Xft (antialias) support (default=$1)],
	if test "x$enableval" = "xyes"; then
		TRY_XFT=yes
	else
		TRY_XFT=no
	fi
	,
	TRY_XFT=$1
 )

if test "x$TRY_XFT" = "xyes"; then
	AC_MSG_RESULT(yes)
	AM_PATH_XFT2(
		[$2],
		# xft2 failed: try xft1
		AM_PATH_XFT1(
		[$2],
		[$3]
		AC_MSG_RESULT([Cant find Xft libraries! Disabling Xft]))
	)
else
	AC_MSG_RESULT(no)
	[$3]
fi

CFLAGS="$CFLAGS $XFT_CFLAGS"
CXXFLAGS="$CXXFLAGS $XFT_CFLAGS"
LIBS="$LIBS $XFT_LIBS"

])