Update readme.

[apitrace-tests] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index dc59753ef3ec470deda54961c545a21998242d6d..47c38cb06b3bfb488b699269d309c93c2edc1a57 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,15 +1,24 @@
 cmake_minimum_required (VERSION 2.8)
 
+
+# Use clang on MacOSX. gcc doesn't support __thread key, and Apple has
+# abandoned it for clang.  This must be done before the project is defined.
+if (APPLE)
+    set (CMAKE_C_COMPILER "clang")
+    set (CMAKE_CXX_COMPILER "clang++")
+endif ()
+
+
 project (apitrace-tests)
 
 find_path (APITRACE_SOURCE_DIR NAMES cmake/FindDirectX.cmake PATHS .. ../.. DOC "apitrace source tree" NO_DEFAULT_PATH)
 if (NOT EXISTS ${APITRACE_SOURCE_DIR})
-    message (SEND_ERROR "Please specify path to apitrace source tree via APITRACE_SOURCE_DIR")
+    message (WARNING "Please specify path to apitrace source tree via APITRACE_SOURCE_DIR")
 endif ()
 
 find_program (APITRACE_EXECUTABLE NAMES apitrace PATHS ${APITRACE_SOURCE_DIR} DOC "apitrace executable")
 if (NOT EXISTS ${APITRACE_EXECUTABLE})
-    message (SEND_ERROR "Please specify path to apitrace executable via APITRACE_EXECUTABLE")
+    message (WARNING "Please specify path to apitrace executable via APITRACE_EXECUTABLE")
 endif ()
 
 include (FindPkgConfig)
@@ -32,7 +41,7 @@ find_package (GLEW)
 
 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)