m4/gdlib.m4

   1 #                                                       -*- Autoconf -*-
   2 # This file is part of the aMule Project.
   3 #
   4 # Copyright (c) 2003-2011 aMule Team ( admin@amule.org / http://www.amule.org )
   5 #
   6 # Any parts of this program derived from the xMule, lMule or eMule project,
   7 # or contributed by third-party developers are copyrighted by their
   8 # respective authors.
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 2 of the License, or
  13 # (at your option) any later version.
  14 #
  15 # This program is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU General Public License
  21 # along with this program; if not, write to the Free Software
  22 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  23 #
  24
  25 dnl ---------------------------------------------------------------------------
  26 dnl MULE_CHECK_GDLIB([VERSION = 2.0.0], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
  27 dnl
  28 dnl adds support for --with-gdlib-prefix and --with-gdlib-config
  29 dnl command line options
  30 dnl
  31 dnl Test for gdlib, and define GDLIB_CFLAGS, GDLIB_LIBS and GDLIB_CONFIG_NAME
  32 dnl environment variable to override the default name of the gdlib-config script
  33 dnl to use. Set GDLIB_CONFIG_PATH to specify the full path to gdlib-config -
  34 dnl in this case the macro won't even waste time on tests for its existence.
  35 dnl ---------------------------------------------------------------------------
  36 AC_DEFUN([MULE_CHECK_GDLIB],
  37 [dnl
  38 m4_define([REQUIRED_VERSION], [m4_ifval([$1], [$1], [2.0.0])])dnl
  39 m4_define([REQUIRED_VERSION_MAJOR], [m4_bregexp(REQUIRED_VERSION, [\([0-9]+\)\.\([0-9]+\)\.\([0-9]+\)], [\1])])dnl
  40 m4_define([REQUIRED_VERSION_MINOR], [m4_bregexp(REQUIRED_VERSION, [\([0-9]+\)\.\([0-9]+\)\.\([0-9]+\)], [\2])])dnl
  41 m4_define([REQUIRED_VERSION_MICRO], [m4_bregexp(REQUIRED_VERSION, [\([0-9]+\)\.\([0-9]+\)\.\([0-9]+\)], [\3])])dnl
  42
  43         AC_ARG_WITH([gdlib-prefix], [AS_HELP_STRING([--with-gdlib-prefix=PREFIX], [prefix where gdlib is installed (optional)])])
  44         AC_ARG_WITH([gdlib-config], [AS_HELP_STRING([--with-gdlib-config=CONFIG], [gdlib-config script to use (optional)])])
  45
  46         GDLIB_VERSION=
  47
  48         # do we have gdlib-config name: it can be gdlib-config or gd-config or ...
  49         AS_IF([test x${GDLIB_CONFIG_NAME+set} != xset], [GDLIB_CONFIG_NAME=gdlib-config])
  50         AS_IF([test -n "$with_gdlib_config"], [GDLIB_CONFIG_NAME="$with_gdlib_config"])
  51
  52         # deal with optional prefix
  53         AS_IF([test -n "$with_gdlib_prefix"], [GDLIB_LOOKUP_PATH="$with_gdlib_prefix/bin"])
  54
  55         # don't search the PATH if GDLIB_CONFIG_NAME is absolute filename
  56         AS_IF([test -x "$GDLIB_CONFIG_NAME"], [
  57                 AC_MSG_CHECKING([for gdlib-config])
  58                 GDLIB_CONFIG_PATH="$GDLIB_CONFIG_NAME"
  59                 AC_MSG_RESULT([$GDLIB_CONFIG_PATH])
  60         ], [AC_PATH_PROG([GDLIB_CONFIG_PATH], [$GDLIB_CONFIG_NAME], [no], [$GDLIB_LOOKUP_PATH:$PATH])])
  61
  62         AS_IF([test ${GDLIB_CONFIG_PATH:-no} != no],
  63         [
  64                 AC_MSG_CHECKING([for gdlib version >= REQUIRED_VERSION])
  65                 GDLIB_CONFIG_WITH_ARGS="$GDLIB_CONFIG_PATH $gdlib_config_args"
  66
  67                 GDLIB_VERSION=`$GDLIB_CONFIG_WITH_ARGS --version`
  68                 gdlib_config_major_version=`echo $GDLIB_VERSION | sed ['s/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1/']`
  69                 gdlib_config_minor_version=`echo $GDLIB_VERSION | sed ['s/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\2/']`
  70                 gdlib_config_micro_version=`echo $GDLIB_VERSION | sed ['s/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\3/']`
  71
  72                 gdlib_ver_ok=
  73                 MULE_IF([test $gdlib_config_major_version -gt REQUIRED_VERSION_MAJOR], [gdlib_ver_ok=yes],
  74                         [test $gdlib_config_major_version -eq REQUIRED_VERSION_MAJOR], [
  75                                 MULE_IF([test $gdlib_config_minor_version -gt REQUIRED_VERSION_MINOR], [gdlib_ver_ok=yes],
  76                                         [test $gdlib_config_minor_version -eq REQUIRED_VERSION_MINOR],
  77                                                 [MULE_IF([test $gdlib_config_micro_version -ge REQUIRED_VERSION_MICRO], [gdlib_ver_ok=yes])])
  78                         ])
  79
  80                 AS_IF([test -z "$gdlib_ver_ok"], [
  81                         AS_IF([test -z "$GDLIB_VERSION"], [AC_MSG_RESULT([no])], [
  82                                 AC_MSG_RESULT([no (version $GDLIB_VERSION is not new enough)])
  83                                 GDLIB_VERSION=
  84                         ])
  85                 ], [
  86                         AC_MSG_RESULT([yes (version $GDLIB_VERSION)])
  87                         GDLIB_CFLAGS="`$GDLIB_CONFIG_WITH_ARGS --cflags`"
  88                         GDLIB_LDFLAGS="`$GDLIB_CONFIG_WITH_ARGS --ldflags`"
  89                         GDLIB_LIBS="`$GDLIB_CONFIG_WITH_ARGS --libs`"
  90                         MULE_BACKUP([CFLAGS])
  91                         MULE_APPEND([CFLAGS], [$GDLIB_CFLAGS])
  92                         AC_CHECK_HEADER([gd.h],, [
  93                                 GDLIB_CFLAGS=
  94                                 GDLIB_LDFLAGS=
  95                                 GDLIB_LIBS=
  96                                 GDLIB_VERSION=
  97                         ])
  98                         MULE_RESTORE([CFLAGS])
  99                 ])
 100         ])
 101
 102         AS_IF([test -n "$GDLIB_VERSION"], [$2], [$3])
 103
 104 AC_SUBST([GDLIB_CFLAGS])dnl
 105 AC_SUBST([GDLIB_LDFLAGS])dnl
 106 AC_SUBST([GDLIB_LIBS])dnl
 107
 108 m4_undefine([REQUIRED_VERSION])dnl
 109 m4_undefine([REQUIRED_VERSION_MAJOR])dnl
 110 m4_undefine([REQUIRED_VERSION_MINOR])dnl
 111 m4_undefine([REQUIRED_VERSION_MICRO])dnl
 112 ])