[Mesa-dev] [PATCH v2] configure.ac: Do not use Pthreads with MinGW.

Vinson Lee vlee at freedesktop.org
Tue Jun 3 17:33:52 PDT 2014

Match the behavior of the SCons MinGW build.

This patch also fixes these build errors.

  CC       glapi_entrypoint.lo
glapi_entrypoint.c: In function 'init_glapi_relocs_once':
glapi_entrypoint.c:341:4: error: unknown type name 'pthread_once_t'
    static pthread_once_t once_control = PTHREAD_ONCE_INIT;
glapi_entrypoint.c:341:41: error: 'PTHREAD_ONCE_INIT' undeclared (first use in this function)
    static pthread_once_t once_control = PTHREAD_ONCE_INIT;
glapi_entrypoint.c:341:41: note: each undeclared identifier is reported only once for each function it appears in
glapi_entrypoint.c:342:4: error: implicit declaration of function 'pthread_once' [-Werror=implicit-function-declaration]
    pthread_once( & once_control, init_glapi_relocs );

Signed-off-by: Vinson Lee <vlee at freedesktop.org>

v2: Add missing ';;'.

 configure.ac | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 9c64400..a12f27a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -552,7 +552,13 @@ dnl See if posix_memalign is available
 dnl Check for pthreads
+case "$host_os" in
+    ;;
+    ;;
 dnl AX_PTHREADS leaves PTHREAD_LIBS empty for gcc and sets PTHREAD_CFLAGS
 dnl to -pthread, which causes problems if we need -lpthread to appear in
 dnl pkgconfig files.

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