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dnl @synopsis AC_CONFIG_LIBCONFIG_IN [(LIBRARY [, DESTINATION [, MODULES]])]
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dnl Creates a custom LIBRARY-config script. The script supports
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dnl --cflags, --libs and --version options, as well as all of the
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dnl standard configure variables e.g. --libdir and --sysconfdir.
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dnl --prefix and --exec-prefix may be specified to override the
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dnl defaults. --help gives a complete list of available options.
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dnl Modules allow multiple sets of --libs, --cflags and --version
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dnl options to be used, and combined together.
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dnl This macro saves you all the typing for a library-config.in script;
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dnl you don't even need to distribute one along. Place this macro
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dnl in your configure.ac, et voila, you got one that you want to install.
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dnl $1 = LIBRARY e.g. gtk, ncurses
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dnl $2 = DESTINATION Directory path, e.g. src/scripts
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dnl $3 = MODULES Additional library modules, not including the
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dnl It is suggested that the following CFLAGS and LIBS variables are
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dnl used in your configure.in. library_libs is *essential*.
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dnl library_cflags is important, but not always needed. If they do not
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dnl exist, defaults will be taken from LIBRARY_CFLAGS, LIBRARY_LIBS
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dnl (should be -llibrary *only*) and LIBRARY_LIBDEPS (-l options for
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dnl libraries your library depends upon.
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dnl LIBLIBRARY_LIBS is simply $LIBRARY_LIBS $LIBRARY_LIBDEPS.
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dnl NB. LIBRARY and library are the name of your library, in upper and
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dnl lower case repectively e.g. GTK, gtk.
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dnl LIBRARY_CFLAGS: cflags for compiling libraries and example progs
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dnl LIBRARY_LIBS: libraries for linking programs
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dnl LIBRARY_LIBDEPS*: libraries for linking libraries against (needed
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dnl library_cflags*: cflags to store in library-config
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dnl library_libs*: libs to store in library-config
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dnl LIBLIBRARY_LIBS: libs to link programs IN THIS PACKAGE ONLY against
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dnl LIBRARY_VERSION*: the version of your library (x.y.z recommended)
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dnl *=required if you want sensible output, otherwise they will be
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dnl Support for pkg-config is available by default. libs, cflags and
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dnl version information will be obtained from the pkg-config metadata
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dnl file library.pc if it exists in the pkgconfig data directory.
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dnl The above information still needs to be specified, as it will still
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dnl be used if pkg-config is not found on the host system at configure
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dnl -I and -L flags will be obtained from *both* pkgconfig and the script.
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dnl AC_CONFIG_LIBCONFIG_IN_PKGCONFIG enables pkg-config support (default)
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dnl AC_CONFIG_LIBCONFIG_IN_STATIC disables pkg-config support
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dnl There is also an AC_SUBST(LIBRARY_CONFIG) that will be set to
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dnl the name of the file that we output in this macro. Use as:
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dnl install-exec-local: install-config
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dnl $(mkinstalldirs) $(DESTDIR)$(bindir)
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dnl $(INSTALL_EXEC) @LIBRARY_CONFIG@ $(DESTDIR)$(bindir)
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dnl Or, if using automake:
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dnl bin_SCRIPTS = @LIBRARY_CONFIG@
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dnl Based upon AC_CREATE_GENERIC_CONFIG (ac_create_generic_config.m4)
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dnl by Guido Draheim <guidod@gmx.de> and gtk-config by Owen Taylor.
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dnl @version $Id: ac_config_libconfig_in.m4,v 1.2 2002/09/12 21:53:35 guidod Exp $
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dnl @author Roger Leigh <roger@whinlatter.uklinux.net>
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# AC_CONFIG_LIBCONFIG_IN(LIBRARY, DESTINATION, MODULES)
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# -----------------------------------------------------
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# Generate a custom LIBRARY-config script. Create the script in the
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# DESTINATION directory, including support for MODULES.
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AC_DEFUN([AC_CONFIG_LIBCONFIG_IN],
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[# create a custom library-config file ($1-config)
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m4_if(AC_CONFIG_LIBCONFIG_IN_USEPKGCONFIG, [true],
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[AC_PATH_PROG(PKG_CONFIG, pkg-config)])
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pushdef([LIBCONFIG_DIR], [m4_if([$2], , , [$2/])])
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LIBCONFIG_FILE="LIBCONFIG_DIR[]$1-config.in"
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dnl create directory if it does not preexist
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m4_if([$2], , , [AS_MKDIR_P([$2])])
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AC_MSG_NOTICE([creating $LIBCONFIG_FILE])
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echo '#! /bin/sh' >$LIBCONFIG_FILE
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echo "# $1-config library configuration script" >>$LIBCONFIG_FILE
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echo '# generated by ac_config_libconfig_in.m4' >>$LIBCONFIG_FILE
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echo ' ' >>$LIBCONFIG_FILE
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echo 'template_version="1.0.0"' >>$LIBCONFIG_FILE
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echo ' ' >>$LIBCONFIG_FILE
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echo 'package="@PACKAGE@"' >>$LIBCONFIG_FILE
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echo ' ' >>$LIBCONFIG_FILE
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echo '# usage instructions if no options given' >>$LIBCONFIG_FILE
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echo 'if test "'"\$""#"'" -eq 0; then' >>$LIBCONFIG_FILE
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echo ' cat <<EOF' >>$LIBCONFIG_FILE
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[echo 'Usage: $1-config [[OPTIONS]]' >>$LIBCONFIG_FILE],
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[echo 'Usage: $1-config [[OPTIONS]] [[LIBRARIES]]' >>$LIBCONFIG_FILE])
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echo 'Options:' >>$LIBCONFIG_FILE
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echo ' [[--prefix[=DIR]]]' >>$LIBCONFIG_FILE
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echo ' [[--exec-prefix[=DIR]]]' >>$LIBCONFIG_FILE
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echo ' [[--package]]' >>$LIBCONFIG_FILE
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echo ' [[--version]]' >>$LIBCONFIG_FILE
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echo ' [[--cflags]]' >>$LIBCONFIG_FILE
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echo ' [[--libs]]' >>$LIBCONFIG_FILE
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echo ' [[--help]]' >>$LIBCONFIG_FILE
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[echo 'Libraries:' >>$LIBCONFIG_FILE
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for module in $1 $3 ; do
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echo " $module" >>$LIBCONFIG_FILE ;
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echo 'EOF' >>$LIBCONFIG_FILE
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echo 'fi' >>$LIBCONFIG_FILE
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echo ' ' >>$LIBCONFIG_FILE
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echo '# parse options' >>$LIBCONFIG_FILE
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echo 'o=""' >>$LIBCONFIG_FILE
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echo 'h=""' >>$LIBCONFIG_FILE
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echo 'for i in $''@; do' >>$LIBCONFIG_FILE
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echo ' case $i in' >>$LIBCONFIG_FILE
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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"
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echo ' --prefix=*) prefix=`echo $i | sed -e "s/--prefix=//"` ;;' >>$LIBCONFIG_FILE
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echo ' --exec-prefix=*) exec_prefix=`echo $i | sed -e "s/--exec-prefix=//"` ;;' >>$LIBCONFIG_FILE
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echo ' --eprefix=*) exec_prefix=`echo $i | sed -e "s/--eprefix=//"` ;;' >>$LIBCONFIG_FILE
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for option in $options ; do
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exec-prefix) echo " --$option) echo_exec_prefix=\"yes\" ;;" >>$LIBCONFIG_FILE ;;
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template-version) echo " --$option) echo_template_version=\"yes\" ;;" >>$LIBCONFIG_FILE ;;
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*) echo " --$option) echo_$option=\"yes\" ;;" >>$LIBCONFIG_FILE ;;
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[for module in $1 $3 ; do
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echo " $module) echo_module_$module=\"yes\" ;" >>$LIBCONFIG_FILE ;
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echo ' echo_module="yes" ;;' >>$LIBCONFIG_FILE ;
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echo ' //*|/*//*|./*//*) echo_extra="yes" ;;' >>$LIBCONFIG_FILE
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echo ' *) eval "echo Unknown option: $i" ; exit 1 ;;' >>$LIBCONFIG_FILE
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echo ' esac' >>$LIBCONFIG_FILE
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echo 'done' >>$LIBCONFIG_FILE
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echo ' ' >>$LIBCONFIG_FILE
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# in the order of occurence a standard automake Makefile
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echo '# defaults from configure; set only if not set previously' >>$LIBCONFIG_FILE
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vars="prefix exec_prefix bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir infodir mandir includedir target host build"
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for var in $vars ; do
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echo "if test -z \"\$$var\" ; then" >>$LIBCONFIG_FILE
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echo " $var=\"@$var@\"" >>$LIBCONFIG_FILE
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echo 'fi' >>$LIBCONFIG_FILE
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echo ' ' >>$LIBCONFIG_FILE
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echo '# generate output' >>$LIBCONFIG_FILE
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echo 'if test x$echo_module != xyes ; then' >>$LIBCONFIG_FILE
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echo ' echo_module_$1="yes"' >>$LIBCONFIG_FILE
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echo 'fi' >>$LIBCONFIG_FILE
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AC_CONFIG_LIBCONFIG_IN_MODULES(m4_if([$3], , [$1], [m4_translit([$1 $3], [ ], [,])]))dnl
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for option in $options extra; do
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exec-prefix) echo "if test x\$echo_exec_prefix = xyes ; then" >>$LIBCONFIG_FILE ;;
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template-version) echo "if test x\$echo_template_version = xyes ; then" >>$LIBCONFIG_FILE ;;
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*) echo "if test x\$echo_$option = xyes ; then" >>$LIBCONFIG_FILE ;;
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exec-prefix | eprefix) echo ' o="$o $exec_prefix"' >>$LIBCONFIG_FILE ;;
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template-version) echo ' o="$o $template_version"' >>$LIBCONFIG_FILE ;;
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echo ' i=`eval echo "$includedir"`' >>$LIBCONFIG_FILE ;
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echo ' i=`eval echo "$i"`' >>$LIBCONFIG_FILE ;
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echo ' if test "_$i" != "_/usr/include" ; then' >>$LIBCONFIG_FILE ;
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echo ' o="$o -I$includedir"' >>$LIBCONFIG_FILE ;
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echo ' fi' >>$LIBCONFIG_FILE ;
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echo ' o="$o $cflags"' >>$LIBCONFIG_FILE ;;
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libs) echo ' o="$o -L$libdir $libs"' >>$LIBCONFIG_FILE ;;
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help) echo ' h="1"' >>$LIBCONFIG_FILE ;;
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pkgdatadir) echo " o=\"$o \${datadir}/\${package}\"" >>$LIBCONFIG_FILE ;;
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pkglibdir) echo " o=\"$o \${libdir}/\${package}\"" >>$LIBCONFIG_FILE ;;
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pkgincludedir) echo " o=\"$o \${includedir}/\${package}\"" >>$LIBCONFIG_FILE ;;
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echo ' v=`echo $i | sed -e s://:\$:g`' >>$LIBCONFIG_FILE ;
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echo ' v=`eval "echo $v"`' >>$LIBCONFIG_FILE ;
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echo ' o="$o $v"' >>$LIBCONFIG_FILE ;;
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*) echo " o=\"$o \$$option\"" >>$LIBCONFIG_FILE
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echo 'fi' >>$LIBCONFIG_FILE
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echo ' ' >>$LIBCONFIG_FILE
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echo '# output data' >>$LIBCONFIG_FILE
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echo 'o=`eval "echo $o"`' >>$LIBCONFIG_FILE
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echo 'o=`eval "echo $o"`' >>$LIBCONFIG_FILE
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echo 'if test -n "$o" ; then ' >>$LIBCONFIG_FILE
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echo ' eval "echo $o"' >>$LIBCONFIG_FILE
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echo 'fi' >>$LIBCONFIG_FILE
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echo ' ' >>$LIBCONFIG_FILE
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echo '# help text' >>$LIBCONFIG_FILE
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echo 'if test ! -z "$h" ; then ' >>$LIBCONFIG_FILE
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echo ' cat <<EOF' >>$LIBCONFIG_FILE
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echo 'All available options:' >>$LIBCONFIG_FILE
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echo ' --prefix=DIR and change \$prefix and \$exec-prefix' >>$LIBCONFIG_FILE
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echo ' --exec-prefix=DIR (affects all other options)' >>$LIBCONFIG_FILE
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echo ' --prefix \$prefix $prefix' >>$LIBCONFIG_FILE
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echo ' --exec_prefix or... ' >>$LIBCONFIG_FILE
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echo ' --eprefix \$exec_prefix $exec_prefix' >>$LIBCONFIG_FILE
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echo ' --version \$version $version' >>$LIBCONFIG_FILE
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echo ' --cflags -I\$includedir unless it is /usr/include' >>$LIBCONFIG_FILE
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echo ' --libs -L\$libdir \$LIBS $libs' >>$LIBCONFIG_FILE
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echo ' --package \$package $package' >>$LIBCONFIG_FILE
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echo ' --bindir \$bindir $bindir' >>$LIBCONFIG_FILE
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echo ' --sbindir \$sbindir $sbindir' >>$LIBCONFIG_FILE
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echo ' --libexecdir \$libexecdir $libexecdir' >>$LIBCONFIG_FILE
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echo ' --datadir \$datadir $datadir' >>$LIBCONFIG_FILE
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echo ' --sysconfdir \$sysconfdir $sysconfdir' >>$LIBCONFIG_FILE
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echo ' --sharedstatedir \$sharedstatedir$sharedstatedir' >>$LIBCONFIG_FILE
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echo ' --localstatedir \$localstatedir $localstatedir' >>$LIBCONFIG_FILE
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echo ' --libdir \$libdir $libdir' >>$LIBCONFIG_FILE
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echo ' --infodir \$infodir $infodir' >>$LIBCONFIG_FILE
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echo ' --mandir \$mandir $mandir' >>$LIBCONFIG_FILE
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echo ' --target \$target $target' >>$LIBCONFIG_FILE
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echo ' --host \$host $host' >>$LIBCONFIG_FILE
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echo ' --build \$build $build' >>$LIBCONFIG_FILE
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echo ' --pkgdatadir \$datadir/\$package ${datadir}/${package}' >>$LIBCONFIG_FILE
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echo ' --pkglibdir \$libdir/\$package ${libdir}/${package}' >>$LIBCONFIG_FILE
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echo ' --pkgincludedir \$includedir/\$package ${includedir}/${package}' >>$LIBCONFIG_FILE
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echo ' --template-version \$template_version $template_version' >>$LIBCONFIG_FILE
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echo ' --help' >>$LIBCONFIG_FILE
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echo 'EOF' >>$LIBCONFIG_FILE
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echo 'fi' >>$LIBCONFIG_FILE
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m4_pushdef([LIBCONFIG_UP], [m4_translit([$1], [a-z], [A-Z])])dnl
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LIBCONFIG_UP[]_CONFIG="LIBCONFIG_DIR[]$1-config"
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AC_SUBST(LIBCONFIG_UP[]_CONFIG)
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dnl AC_CONFIG_FILES(LIBCONFIG_DIR[]$1[-config], [chmod +x ]LIBCONFIG_DIR[]$1[-config])
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m4_popdef([LIBCONFIG_DIR])
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m4_popdef([LIBCONFIG_UP])
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# AC_CONFIG_LIBCONFIG_IN_MODULES [(MODULE1 [, MODULE2 [, ...]])]
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# --------------------------------------------------------------
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#Output shell script using custom module variables.
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AC_DEFUN([AC_CONFIG_LIBCONFIG_IN_MODULES],
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[# create module definition for $1
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dnl we're going to need uppercase, lowercase and user-friendly versions of the
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m4_pushdef([MODULE_UP], m4_translit([$1], [a-z], [A-Z]))dnl
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m4_pushdef([MODULE_DOWN], m4_translit([$1], [A-Z], [a-z]))dnl
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if test -z "$MODULE_DOWN[]_cflags" ; then
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if test -n "$MODULE_UP[]_CFLAGS" ; then
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MODULE_DOWN[]_cflags="$MODULE_UP[]_CFLAGS"
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dnl AC_MSG_WARN([variable `MODULE_DOWN[]_cflags' undefined])
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MODULE_DOWN[]_cflags=''
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AC_SUBST(MODULE_DOWN[]_cflags)dnl
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if test -z "$MODULE_DOWN[]_libs" ; then
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if test -n "$MODULE_UP[]_LIBS" ; then
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MODULE_DOWN[]_libs="$MODULE_UP[]_LIBS"
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AC_MSG_WARN([variable `MODULE_DOWN[]_libs' and `MODULE_UP[]_LIBS' undefined])
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MODULE_DOWN[]_libs='-l$1'
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if test -n "$MODULE_UP[]_LIBDEPS" ; then
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MODULE_DOWN[]_libs="$MODULE_DOWN[]_libs $MODULE_UP[]_LIBDEPS"
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AC_SUBST(MODULE_DOWN[]_libs)dnl
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if test -z "$MODULE_UP[]_VERSION" ; then
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AC_MSG_WARN([variable `MODULE_UP[]_VERSION' undefined])
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MODULE_UP[]_VERSION="$VERSION"
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AC_SUBST(MODULE_UP[]_VERSION)dnl
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echo 'if test x$echo_module_$1 = xyes ; then' >>$LIBCONFIG_FILE
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AC_CONFIG_LIBCONFIG_IN_MODULES_VARS([cflags], [MODULE_DOWN[]_cflags], [cflags])
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AC_CONFIG_LIBCONFIG_IN_MODULES_VARS([libs], [MODULE_DOWN[]_libs], [libs])
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AC_CONFIG_LIBCONFIG_IN_MODULES_VARS([version], [MODULE_UP[]_VERSION], [modversion])
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echo 'fi' >>$LIBCONFIG_FILE
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m4_popdef([MODULE_UP])dnl
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m4_popdef([MODULE_DOWN])dnl
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AC_CONFIG_LIBCONFIG_IN_MODULES(m4_shift($@))])dnl
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# AC_CONFIG_LIBCONFIG_IN_MODULES_VARS [(VAR, SUBSTITUTION,
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# --------------------------------------------------------
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# Output AC_CONFIG_LIBCONFIG_IN_MODULES variables.
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# VAR = variable to set
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# SUBSTITUTION = set if pkg-config is not available
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# PKGCONFIG_ARGS = args for pkg-config
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AC_DEFUN([AC_CONFIG_LIBCONFIG_IN_MODULES_VARS],
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[m4_if(AC_CONFIG_LIBCONFIG_IN_USEPKGCONFIG, [true],
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echo 'if test -x "`which pkg-config`" ; then' >>$LIBCONFIG_FILE
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echo ' if pkg-config --atleast-pkgconfig-version=0.7 --exists "MODULE_DOWN"; then' >>$LIBCONFIG_FILE
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echo ' $1="@S|@$1 `pkg-config --$3 MODULE_DOWN`"' >>$LIBCONFIG_FILE
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echo ' fi' >>$LIBCONFIG_FILE
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echo 'else' >>$LIBCONFIG_FILE
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echo ' $1="@S|@$1 @$2@"' >>$LIBCONFIG_FILE
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echo 'fi' >>$LIBCONFIG_FILE
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[echo ' $1="@S|@$1 @$2@"' >>$LIBCONFIG_FILE
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# AC_CONFIG_LIBCONFIG_IN_PKGCONFIG
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# --------------------------------
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# Enable pkgconfig support in libconfig script (default)
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AC_DEFUN([AC_CONFIG_LIBCONFIG_IN_PKGCONFIG],
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[m4_define([AC_CONFIG_LIBCONFIG_IN_USEPKGCONFIG], [true])
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# AC_CONFIG_LIBCONFIG_IN_STATIC
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# -----------------------------
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# Disable pkgconfig support in libconfig script
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AC_DEFUN([AC_CONFIG_LIBCONFIG_IN_STATIC],
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[m4_define([AC_CONFIG_LIBCONFIG_IN_USEPKGCONFIG], [false])
added
removed
m4/ac_config_libconfig_in.m4
