* Ship a .pc file with the library.

configure.ac

@@ -210,5 +210,6 @@ AC_OUTPUT([
   src/Makefile
   src/dvdcss/Makefile
   test/Makefile
+  src/libdvdcss.pc
 ])
 

src/Makefile.am

@@ -32,3 +32,6 @@ else
 libtool_flags = -no-undefined
 endif
 
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = libdvdcss.pc
+

src/libdvdcss.pc.in

+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libdvdcss
+Description: DVD access and decryption library.
+Version: @VERSION@
+Libs: -L${libdir} -ldvdcss
+Cflags: -I{includedir} -I${includedir}/@PACKAGE@