Index: lang/tcl86/files/patch-tcl.pc.in
===================================================================
--- /dev/null
+++ lang/tcl86/files/patch-tcl.pc.in
@@ -0,0 +1,11 @@
+--- tcl.pc.in.orig      2015-12-03 13:41:40 UTC
++++ tcl.pc.in
+@@ -9,7 +9,6 @@ Name: Tool Command Language
+ Description: Tcl is a powerful, easy-to-learn dynamic programming language,
+ suitable for a wide range of uses.
+ URL: http://www.tcl.tk/
+ Version: @TCL_VERSION@@TCL_PATCH_LEVEL@
+-Requires.private: zlib >= 1.2.3
+ Libs: -L${libdir} @TCL_LIB_FLAG@ @TCL_STUB_LIB_FLAG@
+ Libs.private: @TCL_LIBS@
+ Cflags: -I${includedir}