util: always enable timespec_test.cpp

c11/time.h always contains `struct timespec` now

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15497>

src/util/meson.build

@@ -340,6 +340,7 @@ if with_tests
     'tests/roundeven_test.cpp',
     'tests/set_test.cpp',
     'tests/sparse_array_test.cpp',
+    'tests/timespec_test.cpp',
     'tests/u_atomic_test.cpp',
     'tests/u_debug_stack_test.cpp',
     'tests/u_printf_test.cpp',
@@ -354,12 +355,6 @@ if with_tests
     )
   endif
 
-  if cc.has_header('sys/time.h')  # MinGW has this, but Vanilla windows doesn't
-    files_util_tests += files(
-      'tests/timespec_test.cpp'
-    )
-  endif
-
   # FIXME: this test crashes on windows
   if host_machine.system() != 'windows'
     files_util_tests += files(

src/util/timespec.h

@@ -34,9 +34,9 @@
 
 #include <stdint.h>
 #include <assert.h>
-#include <time.h>
 #include <stdbool.h>
 
+#include "c11/time.h"
 #include "macros.h"
 
 #define NSEC_PER_SEC 1000000000