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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
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<title>
Autoconf Macro: ac_caolan_check_package
</title>
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<a href=
"http://autoconf-archive.cryp.to/ac_caolan_check_package.m4">Download M4
Source</a>
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<hr>
<h1>
ac_caolan_check_package
</h1>
<h2>
Synopsis
</h2>
<p class="indent" style="white-space:nowrap;">
<code>AC_caolan_CHECK_PACKAGE(PACKAGE, FUNCTION, LIBRARY , HEADERFILE [,
ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])</code>
</p>
<h2>
Description
</h2>
<div class="indent">
<p>
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
</p>
<p>
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
</p>
<p>
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
</p>
<p>
with fixes from... Alexandre Duret-Lutz <duret_g@lrde.epita.fr>
Matthew Mueller <donut@azstarnet.com>
</p>
</div>
<h2>
Author
</h2>
<p class="indent">
Caolan McNamara <caolan@skynet.ie>
</p>
<h2>
Last Modified
</h2>
<p class="indent">
2003-10-29
</p>
<h2>
M4 Source Code
</h2>
<div class="indent">
<pre class="m4source">
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
])
</pre>
</div>
</body>
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