adding pkg-config support

I hope david will be happy !

mpeg2dec/configure.in

@@ -4,7 +4,8 @@ AC_INIT
 AC_CONFIG_SRCDIR([src/mpeg2dec.c])
 AC_CONFIG_AUX_DIR(autotools)
 AC_CONFIG_FILES([Makefile autotools/Makefile include/Makefile test/Makefile
-    doc/Makefile src/Makefile libmpeg2/Makefile libvo/Makefile vc++/Makefile])
+    doc/Makefile src/Makefile libmpeg2/Makefile libvo/Makefile vc++/Makefile
+    libmpeg2/libmpeg2.pc src/libcpuaccel.pc])
 AM_INIT_AUTOMAKE([mpeg2dec],[0.2.2-cvs])
 AC_CONFIG_HEADERS([include/config.h])
 AM_MAINTAINER_MODE

mpeg2dec/libmpeg2/.cvsignore

@@ -9,3 +9,4 @@ Makefile.in
 .deps
 .libs
 libmpeg2.la
+libmpeg2.pc

mpeg2dec/libmpeg2/Makefile.am

@@ -13,4 +13,7 @@ libmpeg2_la_SOURCES = alloc.c decode.c header.c cpu_state.c slice.c \
 libmpeg2_la_LIBADD = @LIBMPEG2_LIBS@
 libmpeg2_la_LDFLAGS = -no-undefined
 
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = libmpeg2.pc
+
 EXTRA_DIST = configure.incl vlc.h mpeg2_internal.h

mpeg2dec/libmpeg2/libmpeg2.pc.in

+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libmpeg2
+Description: A decoding library for MPEG-1 and MPEG-2 streams.
+Version: @VERSION@
+Libs: -L${libdir} -lmpeg2
+Cflags: -I${includedir}/@PACKAGE@

mpeg2dec/src/.cvsignore

@@ -11,3 +11,4 @@ Makefile.in
 mpeg2dec
 extract_mpeg2
 libcpuaccel.la
+libcpuaccel.pc

mpeg2dec/src/Makefile.am

@@ -13,4 +13,7 @@ libcpuaccel_la_LDFLAGS = -no-undefined
 
 man_MANS = mpeg2dec.1 extract_mpeg2.1
 
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = libcpuaccel.pc
+
 EXTRA_DIST = configure.incl getopt.h gettimeofday.h $(man_MANS)

mpeg2dec/src/libcpuaccel.pc.in

+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libcpuaccel
+Description: CPU detection library for libmpeg2.
+Version: @VERSION@
+Libs: -L${libdir} -lcpuaccel
+Cflags: -I${includedir}/@PACKAGE@