Final patch for issue 9807.
diff --git a/Misc/python.pc.in b/Misc/python.pc.in
index 23b933a..ae69867 100644
--- a/Misc/python.pc.in
+++ b/Misc/python.pc.in
@@ -1,3 +1,4 @@
+# See: man pkg-config
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 libdir=@libdir@
@@ -9,5 +10,4 @@
 Version: @VERSION@
 Libs.private: @LIBS@
 Libs: -L${libdir} -lpython@VERSION@@ABIFLAGS@
-Cflags: -I${includedir}/python@VERSION@ 
-
+Cflags: -I${includedir}/python@VERSION@@ABIFLAGS@