Only invoke pkg_check_modules when PKG_CONFIG_FOUND is true.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 553d5c83a7f6ffd6685d5612709b8fef1e051429..47c38cb06b3bfb488b699269d309c93c2edc1a57 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,7 +41,7 @@ find_package (GLEW)
 
 if (WIN32)
     find_package (DirectX)
 
 if (WIN32)
     find_package (DirectX)

-else ()
+elseif (PKG_CONFIG_FOUND)

        pkg_check_modules (EGL egl)
        pkg_check_modules (GLESV1 glesv1_cm)
        pkg_check_modules (GLESV2 glesv2)
        pkg_check_modules (EGL egl)
        pkg_check_modules (GLESV1 glesv1_cm)
        pkg_check_modules (GLESV2 glesv2)