diff -Naur pkg-config-0.21.orig/check/check-requires-private pkg-config-0.21/check/check-requires-private
--- pkg-config-0.21.orig/check/check-requires-private	2006-08-16 17:05:30.000000000 +0000
+++ pkg-config-0.21/check/check-requires-private	2006-11-25 22:44:47.000000000 +0000
@@ -11,12 +11,12 @@
 
 # expect cflags from requires-test and public-dep
 ARGS="--cflags requires-test"
-RESULT="-I/requires-test/include -I/public-dep/include"
+RESULT="-I/requires-test/include -I/private-dep/include -I/public-dep/include"
 run_test
 
 # still expect those cflags for static linking case
 ARGS="--static --cflags requires-test"
-RESULT="-I/requires-test/include -I/public-dep/include"
+RESULT="-I/requires-test/include -I/private-dep/include -I/public-dep/include"
 run_test
 
 # expect libs for just requires-test and public-dep