diff -Naur nspr-4.9/mozilla/nsprpub/config/Makefile.in nspr-4.9-magellan/mozilla/nsprpub/config/Makefile.in
--- nspr-4.9/mozilla/nsprpub/config/Makefile.in	2009-03-03 23:04:23.000000000 +0100
+++ nspr-4.9-magellan/mozilla/nsprpub/config/Makefile.in	2012-03-09 15:01:07.675981697 +0100
@@ -54,7 +54,7 @@
 # because it is included by every makefile.
 DIST_GARBAGE	= nsprincl.mk nsprincl.sh nspr-config
 
-RELEASE_BINS	= nspr-config
+RELEASE_BINS	= nspr-config nspr.pc
 
 include $(topsrcdir)/config/config.mk
 
@@ -135,6 +135,7 @@
 
 export:: $(TARGETS)
 	rm -f $(dist_bindir)/nspr-config
+	rm -f $(dist_bindir)/nspr.pc
 
 ifdef WRAP_SYSTEM_INCLUDES
 export::
diff -Naur nspr-4.9/mozilla/nsprpub/config/nspr.pc.in nspr-4.9-magellan/mozilla/nsprpub/config/nspr.pc.in
--- nspr-4.9/mozilla/nsprpub/config/nspr.pc.in	1970-01-01 01:00:00.000000000 +0100
+++ nspr-4.9-magellan/mozilla/nsprpub/config/nspr.pc.in	2012-03-09 15:01:36.803982524 +0100
@@ -0,0 +1,10 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: NSPR
+Description: The Netscape Portable Runtime
+Version: @MOD_MAJOR_VERSION@.@MOD_MINOR_VERSION@.@MOD_PATCH_VERSION@
+Libs: -L${libdir} -lplds4 -lplc4 -lnspr4 @OS_LIBS@
+Cflags: -I${includedir}
diff -Naur nspr-4.9/mozilla/nsprpub/configure nspr-4.9-magellan/mozilla/nsprpub/configure
--- nspr-4.9/mozilla/nsprpub/configure	2012-02-14 20:06:00.000000000 +0100
+++ nspr-4.9-magellan/mozilla/nsprpub/configure	2012-03-09 15:02:14.077984421 +0100
@@ -6694,6 +6694,7 @@
     config/nsprincl.mk
     config/nsprincl.sh
     config/nspr-config
+    config/nspr.pc
     lib/Makefile
     lib/ds/Makefile
     lib/libc/Makefile