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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
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Autoconf Macro: ac_config_libconfig_in
</title>
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<hr>
<h1>
ac_config_libconfig_in
</h1>
<h2>
Obsolete Macro
</h2>
<p class="indent">
Deprecated with the advent of pkg-config.
</p>
<h2>
Synopsis
</h2>
<p class="indent" style="white-space:nowrap;">
<code>AC_CONFIG_LIBCONFIG_IN [(LIBRARY [, DESTINATION [, MODULES]])]</code>
</p>
<h2>
Description
</h2>
<div class="indent">
<p>
Creates a custom LIBRARY-config script. The script supports --cflags,
--libs and --version options, as well as all of the standard configure
variables e.g. --libdir and --sysconfdir. --prefix and --exec-prefix may be
specified to override the defaults. --help gives a complete list of
available options. Modules allow multiple sets of --libs, --cflags and
--version options to be used, and combined together.
</p>
<p>
This macro saves you all the typing for a library-config.in script; you
don't even need to distribute one along. Place this macro in your
configure.ac, et voila, you got one that you want to install.
</p>
<p>
The options:
</p>
<pre>
$1 = LIBRARY e.g. gtk, ncurses
$2 = DESTINATION Directory path, e.g. src/scripts
$3 = MODULES Additional library modules, not including the
default ($1).
</pre>
<p>
It is suggested that the following CFLAGS and LIBS variables are used in
your configure.in. library_libs is *essential*. library_cflags is
important, but not always needed. If they do not exist, defaults will be
taken from LIBRARY_CFLAGS, LIBRARY_LIBS (should be -llibrary *only*) and
LIBRARY_LIBDEPS (-l options for libraries your library depends upon.
LIBLIBRARY_LIBS is simply $LIBRARY_LIBS $LIBRARY_LIBDEPS. NB. LIBRARY and
library are the name of your library, in upper and lower case repectively
e.g. GTK, gtk.
</p>
<pre>
LIBRARY_CFLAGS: cflags for compiling libraries and example progs
LIBRARY_LIBS: libraries for linking programs
LIBRARY_LIBDEPS*: libraries for linking libraries against (needed
to link -static
library_cflags*: cflags to store in library-config
library_libs*: libs to store in library-config
LIBLIBRARY_LIBS: libs to link programs IN THIS PACKAGE ONLY against
LIBRARY_VERSION*: the version of your library (x.y.z recommended)
*=required if you want sensible output, otherwise they will be
*guessed* (DWIM)
</pre>
<p>
Support for pkg-config is available by default. libs, cflags and version
information will be obtained from the pkg-config metadata file library.pc
if it exists in the pkgconfig data directory. The above information still
needs to be specified, as it will still be used if pkg-config is not found
on the host system at configure time.
</p>
<p>
-I and -L flags will be obtained from *both* pkgconfig and the script.
AC_CONFIG_LIBCONFIG_IN_PKGCONFIG enables pkg-config support (default)
AC_CONFIG_LIBCONFIG_IN_STATIC disables pkg-config support
</p>
<p>
There is also an AC_SUBST(LIBRARY_CONFIG) that will be set to the name of
the file that we output in this macro. Use as:
</p>
<pre>
install-exec-local: install-config
install-config:
$(mkinstalldirs) $(DESTDIR)$(bindir)
$(INSTALL_EXEC) @LIBRARY_CONFIG@ $(DESTDIR)$(bindir)
</pre>
<p>
Or, if using automake:
</p>
<pre>
bin_SCRIPTS = @LIBRARY_CONFIG@
</pre>
<p>
Based upon <a href=
"ac_create_generic_config.html">AC_CREATE_GENERIC_CONFIG</a> by Guido
Draheim <guidod@gmx.de> and gtk-config by Owen Taylor.
</p>
</div>
<h2>
Author
</h2>
<p class="indent">
Roger Leigh <roger@whinlatter.uklinux.net>
</p>
<h2>
Last Modified
</h2>
<p class="indent">
2005-01-23
</p>
<h2>
M4 Source Code
</h2>
<div class="indent">
<pre class="m4source">
# AC_CONFIG_LIBCONFIG_IN(LIBRARY, DESTINATION, MODULES)
# -----------------------------------------------------
# Generate a custom LIBRARY-config script. Create the script in the
# DESTINATION directory, including support for MODULES.
AC_DEFUN([AC_CONFIG_LIBCONFIG_IN],
[# create a custom library-config file ($1-config)
m4_if(AC_CONFIG_LIBCONFIG_IN_USEPKGCONFIG, [true],
[AC_PATH_PROG(PKG_CONFIG, pkg-config)])
pushdef([LIBCONFIG_DIR], [m4_if([$2], , , [$2/])])
LIBCONFIG_FILE="LIBCONFIG_DIR[]$1-config.in"
AC_SUBST(target)dnl
AC_SUBST(host)dnl
AC_SUBST(build)dnl
dnl create directory if it does not preexist
m4_if([$2], , , [AS_MKDIR_P([$2])])
AC_MSG_NOTICE([creating $LIBCONFIG_FILE])
echo '#! /bin/sh' >$LIBCONFIG_FILE
echo "# $1-config library configuration script" >>$LIBCONFIG_FILE
echo '# generated by ac_config_libconfig_in.m4' >>$LIBCONFIG_FILE
echo ' ' >>$LIBCONFIG_FILE
echo 'template_version="1.0.0"' >>$LIBCONFIG_FILE
echo ' ' >>$LIBCONFIG_FILE
echo 'package="@PACKAGE@"' >>$LIBCONFIG_FILE
echo ' ' >>$LIBCONFIG_FILE
echo '# usage instructions if no options given' >>$LIBCONFIG_FILE
echo 'if test "'"\$""#"'" -eq 0; then' >>$LIBCONFIG_FILE
echo ' cat <<EOF' >>$LIBCONFIG_FILE
m4_if($3, ,
[echo 'Usage: $1-config [[OPTIONS]]' >>$LIBCONFIG_FILE],
[echo 'Usage: $1-config [[OPTIONS]] [[LIBRARIES]]' >>$LIBCONFIG_FILE])
echo 'Options:' >>$LIBCONFIG_FILE
echo ' [[--prefix[=DIR]]]' >>$LIBCONFIG_FILE
echo ' [[--exec-prefix[=DIR]]]' >>$LIBCONFIG_FILE
echo ' [[--package]]' >>$LIBCONFIG_FILE
echo ' [[--version]]' >>$LIBCONFIG_FILE
echo ' [[--cflags]]' >>$LIBCONFIG_FILE
echo ' [[--libs]]' >>$LIBCONFIG_FILE
echo ' [[--help]]' >>$LIBCONFIG_FILE
m4_if($3, , ,
[echo 'Libraries:' >>$LIBCONFIG_FILE
for module in $1 $3 ; do
echo " $module" >>$LIBCONFIG_FILE ;
done])
echo 'EOF' >>$LIBCONFIG_FILE
echo 'fi' >>$LIBCONFIG_FILE
echo ' ' >>$LIBCONFIG_FILE
echo '# parse options' >>$LIBCONFIG_FILE
echo 'o=""' >>$LIBCONFIG_FILE
echo 'h=""' >>$LIBCONFIG_FILE
echo 'for i ; do' >>$LIBCONFIG_FILE
echo ' case $i in' >>$LIBCONFIG_FILE
options="prefix exec-prefix eprefix package version cflags libs bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir infodir mandir target host build pkgdatadir pkglibdir pkgincludedir template-version help"
echo ' --prefix=*) prefix=`echo $i | sed -e "s/--prefix=//"` ;;' >>$LIBCONFIG_FILE
echo ' --exec-prefix=*) exec_prefix=`echo $i | sed -e "s/--exec-prefix=//"` ;;' >>$LIBCONFIG_FILE
echo ' --eprefix=*) exec_prefix=`echo $i | sed -e "s/--eprefix=//"` ;;' >>$LIBCONFIG_FILE
for option in $options ; do
case $option in
exec-prefix) echo " --$option) echo_exec_prefix=\"yes\" ;;" >>$LIBCONFIG_FILE ;;
template-version) echo " --$option) echo_template_version=\"yes\" ;;" >>$LIBCONFIG_FILE ;;
*) echo " --$option) echo_$option=\"yes\" ;;" >>$LIBCONFIG_FILE ;;
esac
done
m4_if($3, , ,
[for module in $1 $3 ; do
echo " $module) echo_module_$module=\"yes\" ;" >>$LIBCONFIG_FILE ;
echo ' echo_module="yes" ;;' >>$LIBCONFIG_FILE ;
done])
echo ' //*|/*//*|./*//*) echo_extra="yes" ;;' >>$LIBCONFIG_FILE
echo ' *) eval "echo Unknown option: $i" ; exit 1 ;;' >>$LIBCONFIG_FILE
echo ' esac' >>$LIBCONFIG_FILE
echo 'done' >>$LIBCONFIG_FILE
echo ' ' >>$LIBCONFIG_FILE
# in the order of occurence a standard automake Makefile
echo '# defaults from configure; set only if not set previously' >>$LIBCONFIG_FILE
vars="prefix exec_prefix bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir infodir mandir includedir target host build"
for var in $vars ; do
echo "if test -z \"\$$var\" ; then" >>$LIBCONFIG_FILE
echo " $var=\"@$var@\"" >>$LIBCONFIG_FILE
echo 'fi' >>$LIBCONFIG_FILE
done
echo ' ' >>$LIBCONFIG_FILE
echo '# generate output' >>$LIBCONFIG_FILE
echo 'if test x$echo_module != xyes ; then' >>$LIBCONFIG_FILE
echo ' echo_module_$1="yes"' >>$LIBCONFIG_FILE
echo 'fi' >>$LIBCONFIG_FILE
AC_CONFIG_LIBCONFIG_IN_MODULES(m4_if([$3], , [$1], [m4_translit([$1 $3], [ ], [,])]))dnl
for option in $options extra; do
case $option in
exec-prefix) echo "if test x\$echo_exec_prefix = xyes ; then" >>$LIBCONFIG_FILE ;;
template-version) echo "if test x\$echo_template_version = xyes ; then" >>$LIBCONFIG_FILE ;;
*) echo "if test x\$echo_$option = xyes ; then" >>$LIBCONFIG_FILE ;;
esac
case $option in
exec-prefix | eprefix) echo ' o="$o $exec_prefix"' >>$LIBCONFIG_FILE ;;
template-version) echo ' o="$o $template_version"' >>$LIBCONFIG_FILE ;;
cflags)
echo ' i=`eval echo "$includedir"`' >>$LIBCONFIG_FILE ;
echo ' i=`eval echo "$i"`' >>$LIBCONFIG_FILE ;
echo ' if test "_$i" != "_/usr/include" ; then' >>$LIBCONFIG_FILE ;
echo ' o="$o -I$includedir"' >>$LIBCONFIG_FILE ;
echo ' fi' >>$LIBCONFIG_FILE ;
echo ' o="$o $cflags"' >>$LIBCONFIG_FILE ;;
libs) echo ' o="$o -L$libdir $libs"' >>$LIBCONFIG_FILE ;;
help) echo ' h="1"' >>$LIBCONFIG_FILE ;;
pkgdatadir) echo " o=\"$o \${datadir}/\${package}\"" >>$LIBCONFIG_FILE ;;
pkglibdir) echo " o=\"$o \${libdir}/\${package}\"" >>$LIBCONFIG_FILE ;;
pkgincludedir) echo " o=\"$o \${includedir}/\${package}\"" >>$LIBCONFIG_FILE ;;
extra)
echo ' v=`echo $i | sed -e s://:\$:g`' >>$LIBCONFIG_FILE ;
echo ' v=`eval "echo $v"`' >>$LIBCONFIG_FILE ;
echo ' o="$o $v"' >>$LIBCONFIG_FILE ;;
*) echo " o=\"$o \$$option\"" >>$LIBCONFIG_FILE
esac
echo 'fi' >>$LIBCONFIG_FILE
done
echo ' ' >>$LIBCONFIG_FILE
echo '# output data' >>$LIBCONFIG_FILE
echo 'o=`eval "echo $o"`' >>$LIBCONFIG_FILE
echo 'o=`eval "echo $o"`' >>$LIBCONFIG_FILE
echo 'if test -n "$o" ; then ' >>$LIBCONFIG_FILE
echo ' eval "echo $o"' >>$LIBCONFIG_FILE
echo 'fi' >>$LIBCONFIG_FILE
echo ' ' >>$LIBCONFIG_FILE
echo '# help text' >>$LIBCONFIG_FILE
echo 'if test ! -z "$h" ; then ' >>$LIBCONFIG_FILE
echo ' cat <<EOF' >>$LIBCONFIG_FILE
echo 'All available options:' >>$LIBCONFIG_FILE
echo ' --prefix=DIR and change \$prefix and \$exec-prefix' >>$LIBCONFIG_FILE
echo ' --exec-prefix=DIR (affects all other options)' >>$LIBCONFIG_FILE
echo ' --prefix \$prefix $prefix' >>$LIBCONFIG_FILE
echo ' --exec_prefix or... ' >>$LIBCONFIG_FILE
echo ' --eprefix \$exec_prefix $exec_prefix' >>$LIBCONFIG_FILE
echo ' --version \$version $version' >>$LIBCONFIG_FILE
echo ' --cflags -I\$includedir unless it is /usr/include' >>$LIBCONFIG_FILE
echo ' --libs -L\$libdir \$LIBS $libs' >>$LIBCONFIG_FILE
echo ' --package \$package $package' >>$LIBCONFIG_FILE
echo ' --bindir \$bindir $bindir' >>$LIBCONFIG_FILE
echo ' --sbindir \$sbindir $sbindir' >>$LIBCONFIG_FILE
echo ' --libexecdir \$libexecdir $libexecdir' >>$LIBCONFIG_FILE
echo ' --datadir \$datadir $datadir' >>$LIBCONFIG_FILE
echo ' --sysconfdir \$sysconfdir $sysconfdir' >>$LIBCONFIG_FILE
echo ' --sharedstatedir \$sharedstatedir$sharedstatedir' >>$LIBCONFIG_FILE
echo ' --localstatedir \$localstatedir $localstatedir' >>$LIBCONFIG_FILE
echo ' --libdir \$libdir $libdir' >>$LIBCONFIG_FILE
echo ' --infodir \$infodir $infodir' >>$LIBCONFIG_FILE
echo ' --mandir \$mandir $mandir' >>$LIBCONFIG_FILE
echo ' --target \$target $target' >>$LIBCONFIG_FILE
echo ' --host \$host $host' >>$LIBCONFIG_FILE
echo ' --build \$build $build' >>$LIBCONFIG_FILE
echo ' --pkgdatadir \$datadir/\$package ${datadir}/${package}' >>$LIBCONFIG_FILE
echo ' --pkglibdir \$libdir/\$package ${libdir}/${package}' >>$LIBCONFIG_FILE
echo ' --pkgincludedir \$includedir/\$package ${includedir}/${package}' >>$LIBCONFIG_FILE
echo ' --template-version \$template_version $template_version' >>$LIBCONFIG_FILE
echo ' --help' >>$LIBCONFIG_FILE
echo 'EOF' >>$LIBCONFIG_FILE
echo 'fi' >>$LIBCONFIG_FILE
m4_pushdef([LIBCONFIG_UP], [m4_translit([$1], [a-z], [A-Z])])dnl
LIBCONFIG_UP[]_CONFIG="LIBCONFIG_DIR[]$1-config"
AC_SUBST(LIBCONFIG_UP[]_CONFIG)
dnl AC_CONFIG_FILES(LIBCONFIG_DIR[]$1[-config], [chmod +x ]LIBCONFIG_DIR[]$1[-config])
m4_popdef([LIBCONFIG_DIR])
m4_popdef([LIBCONFIG_UP])
])
# AC_CONFIG_LIBCONFIG_IN_MODULES [(MODULE1 [, MODULE2 [, ...]])]
# --------------------------------------------------------------
#Output shell script using custom module variables.
AC_DEFUN([AC_CONFIG_LIBCONFIG_IN_MODULES],
[m4_if([$1], , ,
[# create module definition for $1
dnl we're going to need uppercase, lowercase and user-friendly versions of the
dnl string `MODULE'
m4_pushdef([MODULE_UP], m4_translit([$1], [a-z], [A-Z]))dnl
m4_pushdef([MODULE_DOWN], m4_translit([$1], [A-Z], [a-z]))dnl
if test -z "$MODULE_DOWN[]_cflags" ; then
if test -n "$MODULE_UP[]_CFLAGS" ; then
MODULE_DOWN[]_cflags="$MODULE_UP[]_CFLAGS"
else
dnl AC_MSG_WARN([variable `MODULE_DOWN[]_cflags' undefined])
MODULE_DOWN[]_cflags=''
fi
fi
AC_SUBST(MODULE_DOWN[]_cflags)dnl
if test -z "$MODULE_DOWN[]_libs" ; then
if test -n "$MODULE_UP[]_LIBS" ; then
MODULE_DOWN[]_libs="$MODULE_UP[]_LIBS"
else
AC_MSG_WARN([variable `MODULE_DOWN[]_libs' and `MODULE_UP[]_LIBS' undefined])
MODULE_DOWN[]_libs='-l$1'
fi
if test -n "$MODULE_UP[]_LIBDEPS" ; then
MODULE_DOWN[]_libs="$MODULE_DOWN[]_libs $MODULE_UP[]_LIBDEPS"
fi
fi
AC_SUBST(MODULE_DOWN[]_libs)dnl
if test -z "$MODULE_UP[]_VERSION" ; then
AC_MSG_WARN([variable `MODULE_UP[]_VERSION' undefined])
MODULE_UP[]_VERSION="$VERSION"
fi
AC_SUBST(MODULE_UP[]_VERSION)dnl
echo 'if test x$echo_module_$1 = xyes ; then' >>$LIBCONFIG_FILE
AC_CONFIG_LIBCONFIG_IN_MODULES_VARS([cflags], [MODULE_DOWN[]_cflags], [cflags])
AC_CONFIG_LIBCONFIG_IN_MODULES_VARS([libs], [MODULE_DOWN[]_libs], [libs])
AC_CONFIG_LIBCONFIG_IN_MODULES_VARS([version], [MODULE_UP[]_VERSION], [modversion])
echo 'fi' >>$LIBCONFIG_FILE
m4_popdef([MODULE_UP])dnl
m4_popdef([MODULE_DOWN])dnl
AC_CONFIG_LIBCONFIG_IN_MODULES(m4_shift($@))])dnl
])
# AC_CONFIG_LIBCONFIG_IN_MODULES_VARS [(VAR, SUBSTITUTION,
# PKGCONFIG_ARGS)]
# --------------------------------------------------------
# Output AC_CONFIG_LIBCONFIG_IN_MODULES variables.
# VAR = variable to set
# SUBSTITUTION = set if pkg-config is not available
# PKGCONFIG_ARGS = args for pkg-config
AC_DEFUN([AC_CONFIG_LIBCONFIG_IN_MODULES_VARS],
[m4_if(AC_CONFIG_LIBCONFIG_IN_USEPKGCONFIG, [true],
[
echo 'if test -x "`which pkg-config`" ; then' >>$LIBCONFIG_FILE
echo ' if pkg-config --atleast-pkgconfig-version=0.7 --exists "MODULE_DOWN"; then' >>$LIBCONFIG_FILE
echo ' $1="@S|@$1 `pkg-config --$3 MODULE_DOWN`"' >>$LIBCONFIG_FILE
echo ' fi' >>$LIBCONFIG_FILE
echo 'else' >>$LIBCONFIG_FILE
echo ' $1="@S|@$1 @$2@"' >>$LIBCONFIG_FILE
echo 'fi' >>$LIBCONFIG_FILE
],
[echo ' $1="@S|@$1 @$2@"' >>$LIBCONFIG_FILE
])])
# AC_CONFIG_LIBCONFIG_IN_PKGCONFIG
# --------------------------------
# Enable pkgconfig support in libconfig script (default)
AC_DEFUN([AC_CONFIG_LIBCONFIG_IN_PKGCONFIG],
[m4_define([AC_CONFIG_LIBCONFIG_IN_USEPKGCONFIG], [true])
])dnl
# AC_CONFIG_LIBCONFIG_IN_STATIC
# -----------------------------
# Disable pkgconfig support in libconfig script
AC_DEFUN([AC_CONFIG_LIBCONFIG_IN_STATIC],
[m4_define([AC_CONFIG_LIBCONFIG_IN_USEPKGCONFIG], [false])
])dnl
</pre>
</div>
<h2>
License
</h2>
<div class="indent">
<span style="white-space:nowrap;">Copyright © 2005 Roger Leigh
<roger@whinlatter.uklinux.net></span>
<p>
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.
</p>
</div>
</body>
</html>
|
