add pkg-config for lxc

Makefile.am

@@ -6,6 +6,9 @@ SUBDIRS = src test etc scripts doc
 DIST_SUBDIRS = config src test etc scripts doc
 EXTRA_DIST = autogen.sh lxc.spec CONTRIBUTING MAINTAINERS ChangeLog
 
+pcdatadir = $(datadir)/pkgconfig
+pcdata_DATA = lxc.pc
+
 ChangeLog::
 	@touch ChangeLog
 

configure.ac

@@ -14,7 +14,10 @@ AC_PROG_LIBTOOL
 AC_CHECK_PROG(SETCAP, setcap, yes, no)
 AC_CHECK_PROG(DOCBOOK, docbook2man, yes, no)
 AM_CONDITIONAL(ENABLE_DOCBOOK, test x$DOCBOOK = xyes)
+AS_AC_EXPAND(PREFIX, $prefix)
+AS_AC_EXPAND(LIBDIR, $libdir)
 AS_AC_EXPAND(BINDIR, $bindir)
+AS_AC_EXPAND(INCLUDEDIR, $includedir)
 AS_AC_EXPAND(LIBEXECDIR, $libexecdir)
 AS_AC_EXPAND(SYSCONFDIR, $sysconfdir)
 AS_AC_EXPAND(LOCALSTATEDIR, $localstatedir)
@@ -59,6 +62,7 @@ AC_SUBST(LXC_MICRO_VERSION)
 
 AC_CONFIG_FILES([
         Makefile
+	lxc.pc
 	lxc.spec
         config/Makefile
 

lxc.pc.in

+bindir=@BINDIR@
+libdir=@LIBDIR@
+localstatedir=@LXCPATH@
+includedir=@INCLUDEDIR@
+
+Name: lxc
+Description: linux container tools
+Version: @LXC_MAJOR_VERSION@.@LXC_MINOR_VERSION@.@LXC_MICRO_VERSION@
+URL: http://lxc.sourceforge.net
+Libs: -L${libdir} -llxc -lutil
+Cflags: -I${includedir}

lxc.spec.in

@@ -78,6 +78,7 @@ chmod ugo+w /var/lxc
 %{_bindir}/*
 %{_libexecdir}/*
 %{_mandir}/*
+%{_datadir}/pkgconfig/*
 
 %files devel
 %defattr(-,root,root)