| | 1 | # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- |
| | 2 | # |
| | 3 | # Copyright © 2004 Scott James Remnant <scott@netsplit.com>. |
| | 4 | # |
| | 5 | # This program is free software; you can redistribute it and/or modify |
| | 6 | # it under the terms of the GNU General Public License as published by |
| | 7 | # the Free Software Foundation; either version 2 of the License, or |
| | 8 | # (at your option) any later version. |
| | 9 | # |
| | 10 | # This program is distributed in the hope that it will be useful, but |
| | 11 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| | 13 | # General Public License for more details. |
| | 14 | # |
| | 15 | # You should have received a copy of the GNU General Public License |
| | 16 | # along with this program; if not, write to the Free Software |
| | 17 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| | 18 | # |
| | 19 | # As a special exception to the GNU General Public License, if you |
| | 20 | # distribute this file as part of a program that contains a |
| | 21 | # configuration script generated by Autoconf, you may include it under |
| | 22 | # the same distribution terms that you use for the rest of that program. |
| 2 | | dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not) |
| 3 | | dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page |
| 4 | | dnl also defines GSTUFF_PKG_ERRORS on error |
| 5 | | AC_DEFUN([PKG_CHECK_MODULES], [ |
| 6 | | succeeded=no |
| | 24 | # PKG_PROG_PKG_CONFIG([MIN-VERSION]) |
| | 25 | # ---------------------------------- |
| | 26 | AC_DEFUN([PKG_PROG_PKG_CONFIG], |
| | 27 | [m4_pattern_forbid([^_?PKG_[A-Z_]+$]) |
| | 28 | m4_pattern_allow([^PKG_CONFIG(_PATH)?$]) |
| | 29 | AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl |
| | 30 | if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then |
| | 31 | AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) |
| | 32 | fi |
| | 33 | if test -n "$PKG_CONFIG"; then |
| | 34 | _pkg_min_version=m4_ifval([$1], [$1], [0.9.0]) |
| | 35 | AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) |
| | 36 | if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then |
| | 37 | AC_MSG_RESULT([yes]) |
| | 38 | else |
| | 39 | AC_MSG_RESULT([no]) |
| | 40 | PKG_CONFIG="" |
| | 41 | fi |
| | 42 | |
| | 43 | fi[]dnl |
| | 44 | ])# PKG_PROG_PKG_CONFIG |
| 8 | | if test -z "$PKG_CONFIG"; then |
| 9 | | AC_PATH_PROG(PKG_CONFIG, pkg-config, no) |
| 10 | | fi |
| | 46 | # _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) |
| | 47 | # --------------------------------------------- |
| | 48 | m4_define([_PKG_CONFIG], |
| | 49 | [if test "x$ac_cv_env_[]$1[]_set" = "xset"; then |
| | 50 | pkg_cv_[]$1=$ac_cv_env_[]$1[]_value |
| | 51 | elif test -n "$PKG_CONFIG"; then |
| | 52 | if AC_RUN_LOG([$PKG_CONFIG --exists "$3" >/dev/null 2>&1]); then |
| | 53 | pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` |
| | 54 | else |
| | 55 | pkg_failed=yes |
| | 56 | fi |
| | 57 | else |
| | 58 | pkg_failed=untried |
| | 59 | fi[]dnl |
| | 60 | ])# _PKG_CONFIG |
| 12 | | if test "$PKG_CONFIG" = "no" ; then |
| 13 | | echo "*** The pkg-config script could not be found. Make sure it is" |
| 14 | | echo "*** in your path, or set the PKG_CONFIG environment variable" |
| 15 | | echo "*** to the full path to pkg-config." |
| 16 | | echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config." |
| 17 | | else |
| 18 | | PKG_CONFIG_MIN_VERSION=0.9.0 |
| 19 | | if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then |
| 20 | | AC_MSG_CHECKING(for $2) |
| | 62 | # PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], |
| | 63 | # [ACTION-IF-NOT-FOUND]) |
| | 64 | # |
| | 65 | # |
| | 66 | # Note that if there is a possibility the first call to |
| | 67 | # PKG_CHECK_MODULES might not happen, you should be sure to include an |
| | 68 | # explicit call to PKG_PROG_PKG_CONFIG in your configure.in |
| | 69 | # |
| | 70 | # |
| | 71 | # -------------------------------------------------------------- |
| | 72 | AC_DEFUN([PKG_CHECK_MODULES], |
| | 73 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl |
| | 74 | AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl |
| | 75 | AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl |
| 22 | | if $PKG_CONFIG --exists "$2" ; then |
| 23 | | AC_MSG_RESULT(yes) |
| 24 | | succeeded=yes |
| | 77 | pkg_failed=no |
| | 78 | AC_CACHE_CHECK([for $1][_CFLAGS], [pkg_cv_][$1][_CFLAGS], |
| | 79 | [_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])]) |
| | 80 | AC_CACHE_CHECK([for $1][_LIBS], [pkg_cv_][$1][_LIBS], |
| | 81 | [_PKG_CONFIG([$1][_LIBS], [libs], [$2])]) |
| 30 | | AC_MSG_CHECKING($1_LIBS) |
| 31 | | $1_LIBS=`$PKG_CONFIG --libs "$2"` |
| 32 | | AC_MSG_RESULT($$1_LIBS) |
| 33 | | else |
| 34 | | $1_CFLAGS="" |
| 35 | | $1_LIBS="" |
| 36 | | ## If we have a custom action on failure, don't print errors, but |
| 37 | | ## do set a variable so people can do so. |
| 38 | | $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"` |
| 39 | | ifelse([$4], ,echo $$1_PKG_ERRORS,) |
| 40 | | fi |
| | 88 | ifelse([$4], , [AC_MSG_ERROR(dnl |
| | 89 | [Package requirements ($2) were not met. |
| | 90 | Consider adjusting the PKG_CONFIG_PATH environment variable if you |
| | 91 | installed software in a non-standard prefix. |
| 42 | | AC_SUBST($1_CFLAGS) |
| 43 | | AC_SUBST($1_LIBS) |
| 44 | | else |
| 45 | | echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer." |
| 46 | | echo "*** See http://www.freedesktop.org/software/pkgconfig" |
| 47 | | fi |
| 48 | | fi |
| | 93 | Alternatively you may set the $1_CFLAGS and $1_LIBS environment variables |
| | 94 | to avoid the need to call pkg-config. See the pkg-config man page for |
| | 95 | more details.])], |
| | 96 | [$4]) |
| | 97 | elif test $pkg_failed = untried; then |
| | 98 | ifelse([$4], , [AC_MSG_FAILURE(dnl |
| | 99 | [The pkg-config script could not be found or is too old. Make sure it |
| | 100 | is in your PATH or set the PKG_CONFIG environment variable to the full |
| | 101 | path to pkg-config. |