Replace pkg.m4 with our own pkg-config macros.

This commit is contained in:
Dag-Erling Smørgrav 2017-05-06 01:24:27 +02:00
parent c09b83a2ad
commit 5a8998d440
5 changed files with 160 additions and 351 deletions

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@ -11,6 +11,6 @@ EXTRA_DIST = \
RELNOTES \
autogen.sh \
m4/ax_gcc_builtin.m4 \
m4/pkg.m4 \
m4/ax_pkg_config.m4 \
tools/coverage.sh.in \
tools/setprops.sh

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@ -27,8 +27,7 @@ LT_PREREQ([2.2.6])
LT_INIT()
# pkg-config
PKG_PROG_PKG_CONFIG
PKG_INSTALLDIR
AX_PROG_PKG_CONFIG
# other programs
AC_PROG_INSTALL

8
m4/.gitignore vendored
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@ -1,5 +1,3 @@
/libtool.m4
/lt~obsolete.m4
/ltoptions.m4
/ltsugar.m4
/ltversion.m4
/*.m4
!/ax_gcc_builtin.m4
!/ax_pkg_config.m4

155
m4/ax_pkg_config.m4 Normal file
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@ -0,0 +1,155 @@
dnl -*- autoconf -*-
dnl
dnl Copyright (c) 2017 The University of Oslo
dnl All rights reserved.
dnl
dnl Redistribution and use in source and binary forms, with or without
dnl modification, are permitted provided that the following conditions
dnl are met:
dnl 1. Redistributions of source code must retain the above copyright
dnl notice, this list of conditions and the following disclaimer.
dnl 2. Redistributions in binary form must reproduce the above copyright
dnl notice, this list of conditions and the following disclaimer in the
dnl documentation and/or other materials provided with the distribution.
dnl 3. The name of the author may not be used to endorse or promote
dnl products derived from this software without specific prior written
dnl permission.
dnl
dnl THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
dnl ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
dnl IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
dnl ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
dnl FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
dnl DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
dnl OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
dnl HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
dnl LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
dnl OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
dnl SUCH DAMAGE.
dnl
m4_define([AX_PKG_CONFIG_MACROS_VERSION], [0.20170404])
dnl
dnl AX_PROG_PKG_CONFIG([min-version])
dnl ---------------------------------
dnl
dnl Verify that pkg-config or pkgconf are present.
dnl
AC_DEFUN([AX_PROG_PKG_CONFIG], [
m4_pattern_forbid([^AX_PKG_CONFIG_[A-Z_]+$])
AC_ARG_VAR([PKG_CONFIG], [path to pkg-config binary])
AC_ARG_VAR([PKG_CONFIG_PATH], [list of directories to prepend to default search path])
AC_ARG_VAR([PKG_CONFIG_LIBDIR], [list of directories to search instead of default search path])
if test x"${PKG_CONFIG}" = x"" ; then
AC_PATH_PROGS([PKG_CONFIG], [pkg-config pkgconf]) >/dev/null
fi
AC_MSG_CHECKING([for pkg-config or pkgconf])
if test -x "${PKG_CONFIG}" ; then
AC_MSG_RESULT([${PKG_CONFIG}])
case "${PKG_CONFIG}" in
*pkg-config)
_min_version="m4_default([$1], [0.23])"
;;
*pkgconf)
_min_version="m4_default([$1], [1.3.0])"
;;
*)
_min_version="9.9.error"
;;
esac
AC_MSG_CHECKING([that pkg-config is at least version ${_min_version}])
_act_version=`"${PKG_CONFIG}" --version`
if ! "${PKG_CONFIG}" --atleast-pkgconfig-version="${_min_version}" ; then
PKG_CONFIG=""
fi
AC_MSG_RESULT([${_act_version}])
else
AC_MSG_RESULT([no])
PKG_CONFIG=""
fi
if test x"${PKG_CONFIG}" = x"" ; then
AC_MSG_ERROR([pkg-config was not found or is too old])
fi
AC_ARG_WITH([pkgconfigdir],
AS_HELP_STRING([--with-pkgconfigdir],
[installation directory for .pc files @<:@LIBDIR/pkgconfig@:>@]),
[pkgconfigdir=$withval], [pkgconfigdir='${libdir}/pkgconfig'])
AC_SUBST([pkgconfigdir], [$pkgconfigdir])
])
dnl
dnl AX_PKG_CONFIG_VAR(package-name, var-name)
dnl -----------------------------------------
dnl
dnl Retrieve specific pkg-config variables for the specified package.
dnl
AC_DEFUN([AX_PKG_CONFIG_VAR], [
AC_REQUIRE([AX_PROG_PKG_CONFIG])
m4_define([_p], AS_TR_SH([m4_tolower([$1])]))
m4_case([$2],
[version], [ax_pc_cv_[]_p[]_version=`"${PKG_CONFIG}" --modversion [$1]`],
[cflags], [ax_pc_cv_[]_p[]_cflags=`"${PKG_CONFIG}" --cflags [$1]`],
[libs], [ax_pc_cv_[]_p[]_libs=`"${PKG_CONFIG}" --libs [$1]`],
[ax_pc_cv_[]_p[]_[$2]=`"${PKG_CONFIG}" --variable=[$2] [$1]`])
])
dnl
dnl AX_PKG_CONFIG_CHECK(package-name,
dnl [action-if-found], [action-if-not-found])
dnl -------------------------------------------
dnl
dnl Check if the specified package is installed. If it is, define
dnl HAVE_PACKAGE, PACKAGE_VERSION, PACKAGE_CFLAGS and PACKAGE_LIBS.
dnl The specified actions are performed in addition to the standard
dnl actions.
dnl
AC_DEFUN([AX_PKG_CONFIG_CHECK], [
AC_REQUIRE([AX_PROG_PKG_CONFIG])
m4_define([_P], AS_TR_SH([m4_toupper([$1])]))
m4_define([_p], AS_TR_SH([m4_tolower([$1])]))
AC_ARG_VAR(_P[_CFLAGS], [C compiler flags for $1])
AC_ARG_VAR(_P[_LIBS], [linker flags for $1])
AC_MSG_CHECKING([if $1 is installed])
if AC_RUN_LOG(["${PKG_CONFIG}" --exists --print-errors "$1"]) ; then
AC_MSG_RESULT([yes])
[ax_pc_cv_have_]_p=yes
AC_DEFINE([HAVE_]_P, [1], [Define to 1 if you have $1])
dnl
AC_MSG_CHECKING([$1 version])
AX_PKG_CONFIG_VAR([$1], [version])
AC_SUBST(_P[_VERSION], [$ax_pc_cv_]_p[_version])
AC_MSG_RESULT([${ax_pc_cv_]_p[_version:-unknown}])
dnl
AC_MSG_CHECKING([$1 compiler flags])
AX_PKG_CONFIG_VAR([$1], [cflags])
AC_SUBST(_P[_CFLAGS], [$ax_pc_cv_]_p[_cflags])
AC_MSG_RESULT([${ax_pc_cv_]_p[_cflags:-none}])
dnl
AC_MSG_CHECKING([$1 linker flags])
AX_PKG_CONFIG_VAR([$1], [libs])
AC_SUBST(_P[_LIBS], [$ax_pc_cv_]_p[_libs])
AC_MSG_RESULT([${ax_pc_cv_]_p[_libs:-none}])
dnl
m4_default([$2], [:])
else
AC_MSG_RESULT([no])
[ax_pc_cv_have_]_p=no
m4_default([$3], [:])
fi
m4_ifdef([AM_CONDITIONAL], [
AM_CONDITIONAL([HAVE_]_P, [test x"$ax_pc_cv_have_]_p[" = x"yes"])
])
])
dnl
dnl AX_PKG_CONFIG_REQUIRE(package-name)
dnl -----------------------------------
dnl
dnl As above, but fail if the package is not installed.
dnl
AC_DEFUN([AX_PKG_CONFIG_REQUIRE], [
AX_PKG_CONFIG_CHECK([$1], [], [
AC_MSG_ERROR([cannot proceed without $1])
])
])

343
m4/pkg.m4
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@ -1,343 +0,0 @@
# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
# serial 11 (pkg-config-0.29.1)
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], [0.29.1])
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)))?$])
m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
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 $_pkg_min_version; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
PKG_CONFIG=""
fi
fi[]dnl
])dnl PKG_PROG_PKG_CONFIG
dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
dnl -------------------------------------------------------------------
dnl Since: 0.18
dnl
dnl Check to see whether a particular set of modules exists. Similar to
dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
dnl
dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
dnl only at the first occurence in configure.ac, so if the first place
dnl it's called might be skipped (such as if it is within an "if", you
dnl have to call PKG_CHECK_EXISTS manually
AC_DEFUN([PKG_CHECK_EXISTS],
[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
if test -n "$PKG_CONFIG" && \
AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
m4_default([$2], [:])
m4_ifvaln([$3], [else
$3])dnl
fi])
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"
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
])dnl _PKG_CONFIG
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
_pkg_short_errors_supported=yes
else
_pkg_short_errors_supported=no
fi[]dnl
])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
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])
$3
fi[]dnl
])dnl PKG_CHECK_MODULES
dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
dnl [ACTION-IF-NOT-FOUND])
dnl ---------------------------------------------------------------------
dnl Since: 0.29
dnl
dnl Checks for existence of MODULES and gathers its build flags with
dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags
dnl and VARIABLE-PREFIX_LIBS from --libs.
dnl
dnl Note that if there is a possibility the first call to
dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to
dnl include an explicit call to PKG_PROG_PKG_CONFIG in your
dnl configure.ac.
AC_DEFUN([PKG_CHECK_MODULES_STATIC],
[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
_save_PKG_CONFIG=$PKG_CONFIG
PKG_CONFIG="$PKG_CONFIG --static"
PKG_CHECK_MODULES($@)
PKG_CONFIG=$_save_PKG_CONFIG[]dnl
])dnl PKG_CHECK_MODULES_STATIC
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],
[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
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],
[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
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
_PKG_CONFIG([$1], [variable="][$3]["], [$2])
AS_VAR_COPY([$1], [pkg_cv_][$1])
AS_VAR_IF([$1], [""], [$5], [$4])dnl
])dnl PKG_CHECK_VAR
dnl PKG_WITH_MODULES(VARIABLE-PREFIX, MODULES,
dnl [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND],
dnl [DESCRIPTION], [DEFAULT])
dnl ------------------------------------------
dnl
dnl Prepare a "--with-" configure option using the lowercase
dnl [VARIABLE-PREFIX] name, merging the behaviour of AC_ARG_WITH and
dnl PKG_CHECK_MODULES in a single macro.
AC_DEFUN([PKG_WITH_MODULES],
[
m4_pushdef([with_arg], m4_tolower([$1]))
m4_pushdef([description],
[m4_default([$5], [build with ]with_arg[ support])])
m4_pushdef([def_arg], [m4_default([$6], [auto])])
m4_pushdef([def_action_if_found], [AS_TR_SH([with_]with_arg)=yes])
m4_pushdef([def_action_if_not_found], [AS_TR_SH([with_]with_arg)=no])
m4_case(def_arg,
[yes],[m4_pushdef([with_without], [--without-]with_arg)],
[m4_pushdef([with_without],[--with-]with_arg)])
AC_ARG_WITH(with_arg,
AS_HELP_STRING(with_without, description[ @<:@default=]def_arg[@:>@]),,
[AS_TR_SH([with_]with_arg)=def_arg])
AS_CASE([$AS_TR_SH([with_]with_arg)],
[yes],[PKG_CHECK_MODULES([$1],[$2],$3,$4)],
[auto],[PKG_CHECK_MODULES([$1],[$2],
[m4_n([def_action_if_found]) $3],
[m4_n([def_action_if_not_found]) $4])])
m4_popdef([with_arg])
m4_popdef([description])
m4_popdef([def_arg])
])dnl PKG_WITH_MODULES
dnl PKG_HAVE_WITH_MODULES(VARIABLE-PREFIX, MODULES,
dnl [DESCRIPTION], [DEFAULT])
dnl -----------------------------------------------
dnl
dnl Convenience macro to trigger AM_CONDITIONAL after PKG_WITH_MODULES
dnl check._[VARIABLE-PREFIX] is exported as make variable.
AC_DEFUN([PKG_HAVE_WITH_MODULES],
[
PKG_WITH_MODULES([$1],[$2],,,[$3],[$4])
AM_CONDITIONAL([HAVE_][$1],
[test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"])
])dnl PKG_HAVE_WITH_MODULES
dnl PKG_HAVE_DEFINE_WITH_MODULES(VARIABLE-PREFIX, MODULES,
dnl [DESCRIPTION], [DEFAULT])
dnl ------------------------------------------------------
dnl
dnl Convenience macro to run AM_CONDITIONAL and AC_DEFINE after
dnl PKG_WITH_MODULES check. HAVE_[VARIABLE-PREFIX] is exported as make
dnl and preprocessor variable.
AC_DEFUN([PKG_HAVE_DEFINE_WITH_MODULES],
[
PKG_HAVE_WITH_MODULES([$1],[$2],[$3],[$4])
AS_IF([test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"],
[AC_DEFINE([HAVE_][$1], 1, [Enable ]m4_tolower([$1])[ support])])
])dnl PKG_HAVE_DEFINE_WITH_MODULES