diff options
Diffstat (limited to 'm4/pkg.m4')
| -rw-r--r-- | m4/pkg.m4 | 217 |
1 files changed, 139 insertions, 78 deletions
@@ -1,29 +1,60 @@ -# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- -# serial 1 (pkg-config-0.24) -# -# Copyright © 2004 Scott James Remnant <scott@netsplit.com>. -# -# This program 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. -# -# This program 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 this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -# -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - -# PKG_PROG_PKG_CONFIG([MIN-VERSION]) -# ---------------------------------- +dnl pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- +dnl serial 11 (pkg-config-0.29) +dnl +dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>. +dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com> +dnl +dnl This program is free software; you can redistribute it and/or modify +dnl it under the terms of the GNU General Public License as published by +dnl the Free Software Foundation; either version 2 of the License, or +dnl (at your option) any later version. +dnl +dnl This program is distributed in the hope that it will be useful, but +dnl WITHOUT ANY WARRANTY; without even the implied warranty of +dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +dnl General Public License for more details. +dnl +dnl You should have received a copy of the GNU General Public License +dnl along with this program; if not, write to the Free Software +dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +dnl 02111-1307, USA. +dnl +dnl As a special exception to the GNU General Public License, if you +dnl distribute this file as part of a program that contains a +dnl configuration script generated by Autoconf, you may include it under +dnl the same distribution terms that you use for the rest of that +dnl program. + +dnl PKG_PREREQ(MIN-VERSION) +dnl ----------------------- +dnl Since: 0.29 +dnl +dnl Verify that the version of the pkg-config macros are at least +dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's +dnl installed version of pkg-config, this checks the developer's version +dnl of pkg.m4 when generating configure. +dnl +dnl To ensure that this macro is defined, also add: +dnl m4_ifndef([PKG_PREREQ], +dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])]) +dnl +dnl See the "Since" comment for each macro you use to see what version +dnl of the macros you require. +m4_defun([PKG_PREREQ], +[m4_define([PKG_MACROS_VERSION], [0.29]) +m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1, + [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])]) +])dnl PKG_PREREQ + +dnl PKG_PROG_PKG_CONFIG([MIN-VERSION]) +dnl ---------------------------------- +dnl Since: 0.16 +dnl +dnl Search for the pkg-config tool and set the PKG_CONFIG variable to +dnl first found in the path. Checks that the version of pkg-config found +dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is +dnl used since that's the first version where most current features of +dnl pkg-config existed. AC_DEFUN([PKG_PROG_PKG_CONFIG], [m4_pattern_forbid([^_?PKG_[A-Z_]+$]) m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) @@ -45,18 +76,19 @@ if test -n "$PKG_CONFIG"; then PKG_CONFIG="" fi fi[]dnl -])# PKG_PROG_PKG_CONFIG - -# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) -# -# Check to see whether a particular set of modules exists. Similar -# to PKG_CHECK_MODULES(), but does not set variables or print errors. -# -# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) -# only at the first occurence in configure.ac, so if the first place -# it's called might be skipped (such as if it is within an "if", you -# have to call PKG_CHECK_EXISTS manually -# -------------------------------------------------------------- +])dnl PKG_PROG_PKG_CONFIG + +dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +dnl ------------------------------------------------------------------- +dnl Since: 0.18 +dnl +dnl Check to see whether a particular set of modules exists. Similar to +dnl PKG_CHECK_MODULES(), but does not set variables or print errors. +dnl +dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) +dnl only at the first occurence in configure.ac, so if the first place +dnl it's called might be skipped (such as if it is within an "if", you +dnl have to call PKG_CHECK_EXISTS manually AC_DEFUN([PKG_CHECK_EXISTS], [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl if test -n "$PKG_CONFIG" && \ @@ -66,8 +98,10 @@ m4_ifvaln([$3], [else $3])dnl fi]) -# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) -# --------------------------------------------- +dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) +dnl --------------------------------------------- +dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting +dnl pkg_failed based on the result. m4_define([_PKG_CONFIG], [if test -n "$$1"; then pkg_cv_[]$1="$$1" @@ -79,10 +113,11 @@ m4_define([_PKG_CONFIG], else pkg_failed=untried fi[]dnl -])# _PKG_CONFIG +])dnl _PKG_CONFIG -# _PKG_SHORT_ERRORS_SUPPORTED -# ----------------------------- +dnl _PKG_SHORT_ERRORS_SUPPORTED +dnl --------------------------- +dnl Internal check to see if pkg-config supports short errors. AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], [AC_REQUIRE([PKG_PROG_PKG_CONFIG]) if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then @@ -90,19 +125,17 @@ if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then else _pkg_short_errors_supported=no fi[]dnl -])# _PKG_SHORT_ERRORS_SUPPORTED - - -# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], -# [ACTION-IF-NOT-FOUND]) -# -# -# Note that if there is a possibility the first call to -# PKG_CHECK_MODULES might not happen, you should be sure to include an -# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac -# -# -# -------------------------------------------------------------- +])dnl _PKG_SHORT_ERRORS_SUPPORTED + + +dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], +dnl [ACTION-IF-NOT-FOUND]) +dnl -------------------------------------------------------------- +dnl Since: 0.4.0 +dnl +dnl Note that if there is a possibility the first call to +dnl PKG_CHECK_MODULES might not happen, you should be sure to include an +dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac AC_DEFUN([PKG_CHECK_MODULES], [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl @@ -156,16 +189,40 @@ else AC_MSG_RESULT([yes]) $3 fi[]dnl -])# PKG_CHECK_MODULES +])dnl PKG_CHECK_MODULES + + +dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], +dnl [ACTION-IF-NOT-FOUND]) +dnl --------------------------------------------------------------------- +dnl Since: 0.29 +dnl +dnl Checks for existence of MODULES and gathers its build flags with +dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags +dnl and VARIABLE-PREFIX_LIBS from --libs. +dnl +dnl Note that if there is a possibility the first call to +dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to +dnl include an explicit call to PKG_PROG_PKG_CONFIG in your +dnl configure.ac. +AC_DEFUN([PKG_CHECK_MODULES_STATIC], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +_save_PKG_CONFIG=$PKG_CONFIG +PKG_CONFIG="$PKG_CONFIG --static" +PKG_CHECK_MODULES($@) +PKG_CONFIG=$_save_PKG_CONFIG[]dnl +])dnl PKG_CHECK_MODULES_STATIC -# PKG_INSTALLDIR(DIRECTORY) -# ------------------------- -# Substitutes the variable pkgconfigdir as the location where a module -# should install pkg-config .pc files. By default the directory is -# $libdir/pkgconfig, but the default can be changed by passing -# DIRECTORY. The user can override through the --with-pkgconfigdir -# parameter. +dnl PKG_INSTALLDIR([DIRECTORY]) +dnl ------------------------- +dnl Since: 0.27 +dnl +dnl Substitutes the variable pkgconfigdir as the location where a module +dnl should install pkg-config .pc files. By default the directory is +dnl $libdir/pkgconfig, but the default can be changed by passing +dnl DIRECTORY. The user can override through the --with-pkgconfigdir +dnl parameter. AC_DEFUN([PKG_INSTALLDIR], [m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) m4_pushdef([pkg_description], @@ -176,16 +233,18 @@ AC_ARG_WITH([pkgconfigdir], AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) m4_popdef([pkg_default]) m4_popdef([pkg_description]) -]) dnl PKG_INSTALLDIR +])dnl PKG_INSTALLDIR -# PKG_NOARCH_INSTALLDIR(DIRECTORY) -# ------------------------- -# Substitutes the variable noarch_pkgconfigdir as the location where a -# module should install arch-independent pkg-config .pc files. By -# default the directory is $datadir/pkgconfig, but the default can be -# changed by passing DIRECTORY. The user can override through the -# --with-noarch-pkgconfigdir parameter. +dnl PKG_NOARCH_INSTALLDIR([DIRECTORY]) +dnl -------------------------------- +dnl Since: 0.27 +dnl +dnl Substitutes the variable noarch_pkgconfigdir as the location where a +dnl module should install arch-independent pkg-config .pc files. By +dnl default the directory is $datadir/pkgconfig, but the default can be +dnl changed by passing DIRECTORY. The user can override through the +dnl --with-noarch-pkgconfigdir parameter. AC_DEFUN([PKG_NOARCH_INSTALLDIR], [m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) m4_pushdef([pkg_description], @@ -196,13 +255,15 @@ AC_ARG_WITH([noarch-pkgconfigdir], AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) m4_popdef([pkg_default]) m4_popdef([pkg_description]) -]) dnl PKG_NOARCH_INSTALLDIR +])dnl PKG_NOARCH_INSTALLDIR -# PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, -# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) -# ------------------------------------------- -# Retrieves the value of the pkg-config variable for the given module. +dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, +dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +dnl ------------------------------------------- +dnl Since: 0.28 +dnl +dnl Retrieves the value of the pkg-config variable for the given module. AC_DEFUN([PKG_CHECK_VAR], [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl @@ -211,4 +272,4 @@ _PKG_CONFIG([$1], [variable="][$3]["], [$2]) AS_VAR_COPY([$1], [pkg_cv_][$1]) AS_VAR_IF([$1], [""], [$5], [$4])dnl -])# PKG_CHECK_VAR +])dnl PKG_CHECK_VAR |