Index: nss/pkg/pkg-config/nss-config.in
--- nss/pkg/pkg-config/nss-config.in.orig
+++ nss/pkg/pkg-config/nss-config.in
@@ -1,10 +1,10 @@
 #!/bin/sh
 
-prefix=@prefix@
+prefix=${TRUEPREFIX}
 
-major_version=@MOD_MAJOR_VERSION@
-minor_version=@MOD_MINOR_VERSION@
-patch_version=@MOD_PATCH_VERSION@
+major_version=$(awk '/NSS_VMAJOR/ {print $3}' ${TRUEPREFIX}/include/nss/nss.h)
+minor_version=$(awk '/NSS_VMINOR/ {print $3}' ${TRUEPREFIX}/include/nss/nss.h)
+patch_version=$(awk '/NSS_VPATCH/ {print $3}' ${TRUEPREFIX}/include/nss/nss.h)
 
 usage()
 {