| # 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]) |
| # ---------------------------------- |
| AC_DEFUN([PKG_PROG_PKG_CONFIG], |
| [m4_pattern_forbid([^_?PKG_[A-Z_]+$]) |
| m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) |
| m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) |
| AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) |
| AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) |
| AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) |
| |
| if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then |
| AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) |
| fi |
| if test -n "$PKG_CONFIG"; then |
| _pkg_min_version=m4_default([$1], [0.9.0]) |
| AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) |
| if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then |
| AC_MSG_RESULT([yes]) |
| else |
| AC_MSG_RESULT([no]) |
| PKG_CONFIG="" |
| fi |
| fi[]dnl |
| ])# PKG_PROG_PKG_CONFIG |
| |
| # PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) |
| # |
| # Check to see whether a particular set of modules exists. Similar |
| # to PKG_CHECK_MODULES(), but does not set variables or print errors. |
| # |
| # Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) |
| # only at the first occurrence in configure.ac, so if the first place |
| # it's called might be skipped (such as if it is within an "if", you |
| # have to call PKG_CHECK_EXISTS manually |
| # -------------------------------------------------------------- |
| AC_DEFUN([PKG_CHECK_EXISTS], |
| [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl |
| if test -n "$PKG_CONFIG" && \ |
| AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then |
| m4_default([$2], [:]) |
| m4_ifvaln([$3], [else |
| $3])dnl |
| fi]) |
| |
| # _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) |
| # --------------------------------------------- |
| m4_define([_PKG_CONFIG], |
| [if test -n "$$1"; then |
| pkg_cv_[]$1="$$1" |
| elif test -n "$PKG_CONFIG"; then |
| PKG_CHECK_EXISTS([$3], |
| [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` |
| test "x$?" != "x0" && pkg_failed=yes ], |
| [pkg_failed=yes]) |
| else |
| pkg_failed=untried |
| fi[]dnl |
| ])# _PKG_CONFIG |
| |
| # _PKG_SHORT_ERRORS_SUPPORTED |
| # ----------------------------- |
| AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], |
| [AC_REQUIRE([PKG_PROG_PKG_CONFIG]) |
| if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then |
| _pkg_short_errors_supported=yes |
| 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 |
| # |
| # |
| # -------------------------------------------------------------- |
| 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 |
| AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl |
| |
| pkg_failed=no |
| AC_MSG_CHECKING([for $1]) |
| |
| _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) |
| _PKG_CONFIG([$1][_LIBS], [libs], [$2]) |
| |
| m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS |
| and $1[]_LIBS to avoid the need to call pkg-config. |
| See the pkg-config man page for more details.]) |
| |
| if test $pkg_failed = yes; then |
| AC_MSG_RESULT([no]) |
| _PKG_SHORT_ERRORS_SUPPORTED |
| if test $_pkg_short_errors_supported = yes; then |
| $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` |
| else |
| $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` |
| fi |
| # Put the nasty error message in config.log where it belongs |
| echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD |
| |
| m4_default([$4], [AC_MSG_ERROR( |
| [Package requirements ($2) were not met: |
| |
| $$1_PKG_ERRORS |
| |
| Consider adjusting the PKG_CONFIG_PATH environment variable if you |
| installed software in a non-standard prefix. |
| |
| _PKG_TEXT])[]dnl |
| ]) |
| elif test $pkg_failed = untried; then |
| AC_MSG_RESULT([no]) |
| m4_default([$4], [AC_MSG_FAILURE( |
| [The pkg-config script could not be found or is too old. Make sure it |
| is in your PATH or set the PKG_CONFIG environment variable to the full |
| path to pkg-config. |
| |
| _PKG_TEXT |
| |
| To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl |
| ]) |
| else |
| $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS |
| $1[]_LIBS=$pkg_cv_[]$1[]_LIBS |
| AC_MSG_RESULT([yes]) |
| $3 |
| fi[]dnl |
| ])# PKG_CHECK_MODULES |
| |
| |
| # 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. |
| AC_DEFUN([PKG_INSTALLDIR], |
| [m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) |
| m4_pushdef([pkg_description], |
| [pkg-config installation directory @<:@]pkg_default[@:>@]) |
| AC_ARG_WITH([pkgconfigdir], |
| [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],, |
| [with_pkgconfigdir=]pkg_default) |
| AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) |
| m4_popdef([pkg_default]) |
| m4_popdef([pkg_description]) |
| ]) 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. |
| AC_DEFUN([PKG_NOARCH_INSTALLDIR], |
| [m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) |
| m4_pushdef([pkg_description], |
| [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@]) |
| AC_ARG_WITH([noarch-pkgconfigdir], |
| [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],, |
| [with_noarch_pkgconfigdir=]pkg_default) |
| AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) |
| m4_popdef([pkg_default]) |
| m4_popdef([pkg_description]) |
| ]) dnl PKG_NOARCH_INSTALLDIR |