From d08fd0182da1ea861ef399a115efd85b698d65d0 Mon Sep 17 00:00:00 2001
From: CHris B <cb@shoutr.net>
Date: Sat, 28 Jan 2017 17:00:07 +0100
Subject: [PATCH] CMake: do not include NOTFOUND libs in pkg-config snippets

---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d2f159a..e658976 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -465,6 +465,9 @@ function(get_link_libraries OUT TARGET)
     set(RESULT "")
     get_target_property(LIBRARIES ${TARGET} INTERFACE_LINK_LIBRARIES)
     foreach(LIB ${LIBRARIES})
+	if("${LIB}" MATCHES ".*NOTFOUND.*")
+	    continue()
+	endif()
 	string(REGEX REPLACE "^.*/lib" "" LIB ${LIB}) # remove leading path and "lib" name prefix
 	string(REGEX REPLACE "-l" "" LIB ${LIB}) # remove leading -l
 	string(REGEX REPLACE "\\.so$" "" LIB ${LIB}) # remove trailing .so