--- CMakeLists.txt.orig	2017-09-22 14:56:21 UTC
+++ CMakeLists.txt
@@ -222,8 +222,6 @@ IF(PIGLIT_BUILD_GLX_TESTS)
 	pkg_check_modules(GLPROTO REQUIRED glproto)
 ENDIF()
 
-set(Python_ADDITIONAL_VERSIONS
-    3.6 3.5 3.4 3.3 2.7)
 find_package(PythonInterp REQUIRED)
 find_package(PythonSix 1.5.2 REQUIRED)
 find_package(PythonNumpy 1.7.0 REQUIRED)
@@ -382,7 +380,7 @@ endif()
 
 check_c_source_compiles(
 	"
-	#define _POSIX_C_SOURCE 199309L
+	#define _POSIX_C_SOURCE 200112L
 	#include <time.h>
 	int main() { return clock_gettime(CLOCK_MONOTONIC, NULL); }
 	"
