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# ===========================================================================
# http://autoconf-archive.cryp.to/ac_caolan_check_package.html
# ===========================================================================
#
# SYNOPSIS
#
# AC_caolan_CHECK_PACKAGE(PACKAGE, FUNCTION, LIBRARY , HEADERFILE [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
#
# DESCRIPTION
#
# Provides --with-PACKAGE, --with-PACKAGE-include and
# --with-PACKAGE-libdir options to configure. Supports the now standard
# --with-PACKAGE=DIR approach where the package's include dir and lib dir
# are underneath DIR, but also allows the include and lib directories to
# be specified seperately
#
# adds the extra -Ipath to CFLAGS if needed adds extra -Lpath to LD_FLAGS
# if needed searches for the FUNCTION in the LIBRARY with AC_CHECK_LIBRARY
# and thus adds the lib to LIBS
#
# defines HAVE_PKG_PACKAGE if it is found, (where PACKAGE in the
# HAVE_PKG_PACKAGE is replaced with the actual first parameter passed)
# note that autoheader will complain of not having the HAVE_PKG_PACKAGE
# and you will have to add it to acconfig.h manually
#
# LICENSE
#
# Copyright (c) 2008 Caolan McNamara <caolan@skynet.ie>
# Copyright (c) 2008 Alexandre Duret-Lutz <adl@gnu.org>
# Copyright (c) 2008 Matthew Mueller <donut@azstarnet.com>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved.
AC_DEFUN([AC_caolan_CHECK_PACKAGE],
[
AC_ARG_WITH($1,
[ --with-$1[=DIR] root directory of $1 installation],
with_$1=$withval
if test "${with_$1}" != yes; then
$1_include="$withval/include"
$1_libdir="$withval/lib"
fi
)
AC_ARG_WITH($1-include,
[ --with-$1-include=DIR specify exact include dir for $1 headers],
$1_include="$withval")
AC_ARG_WITH($1-libdir,
[ --with-$1-libdir=DIR specify exact library dir for $1 library
--without-$1 disables $1 usage completely],
$1_libdir="$withval")
if test "${with_$1}" != no ; then
OLD_LIBS=$LIBS
OLD_LDFLAGS=$LDFLAGS
OLD_CFLAGS=$CFLAGS
OLD_CPPFLAGS=$CPPFLAGS
if test "${$1_libdir}" ; then
LDFLAGS="$LDFLAGS -L${$1_libdir}"
fi
if test "${$1_include}" ; then
CPPFLAGS="$CPPFLAGS -I${$1_include}"
CFLAGS="$CFLAGS -I${$1_include}"
fi
no_good=no
AC_CHECK_LIB($3,$2,,no_good=yes)
AC_CHECK_HEADER($4,,no_good=yes)
if test "$no_good" = yes; then
dnl broken
ifelse([$6], , , [$6])
LIBS=$OLD_LIBS
LDFLAGS=$OLD_LDFLAGS
CPPFLAGS=$OLD_CPPFLAGS
CFLAGS=$OLD_CFLAGS
else
dnl fixed
ifelse([$5], , , [$5])
AC_DEFINE(HAVE_PKG_$1)
fi
fi
])
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