mesa,glsl,mapi: Put extern "C" { ... } where appropriate.

Probably a several places missing, but enough to cover all headers
(in)directly included by uniform_query.cpp, and fix the MSVC build.

3 files changed, 32 insertions, 5 deletions

diff --git a/src/mapi/glapi/glapi.h b/src/mapi/glapi/glapi.h
index b9351d146d8..f6854754bbf 100644
--- a/src/mapi/glapi/glapi.h
+++ b/src/mapi/glapi/glapi.h
@@ -44,10 +44,14 @@
 #ifndef _GLAPI_H
 #define _GLAPI_H
 
+#include "glapi/glthread.h"
+
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+
 #ifdef _GLAPI_NO_EXPORTS
 #  define _GLAPI_EXPORT
 #else /* _GLAPI_NO_EXPORTS */
@@ -75,8 +79,6 @@ extern "C" {
 #define _glapi_Context _mglapi_Context
 #endif
 
-#include "glapi/glthread.h"
-
 typedef void (*_glapi_proc)(void);
 struct _glapi_table;
 
@@ -180,6 +182,7 @@ _glapi_noop_enable_warnings(unsigned char enable);
 _GLAPI_EXPORT void
 _glapi_set_warning_func(_glapi_proc func);
 
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/mapi/glapi/glthread.h b/src/mapi/glapi/glthread.h
index fc4ece7c338..1c3f4e2bf76 100644
--- a/src/mapi/glapi/glthread.h
+++ b/src/mapi/glapi/glthread.h
@@ -3,6 +3,10 @@
 
 #include "mapi/u_thread.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define _glthread_DECLARE_STATIC_MUTEX(name) u_mutex_declare_static(name)
 #define _glthread_INIT_MUTEX(name)           u_mutex_init(name)
 #define _glthread_DESTROY_MUTEX(name)        u_mutex_destroy(name)
@@ -17,4 +21,8 @@
 typedef struct u_tsd _glthread_TSD;
 typedef u_mutex _glthread_Mutex;
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* GLTHREAD_H */
diff --git a/src/mapi/mapi/u_thread.h b/src/mapi/mapi/u_thread.h
index 4405ec9c509..7db22b7936a 100644
--- a/src/mapi/mapi/u_thread.h
+++ b/src/mapi/mapi/u_thread.h
@@ -44,12 +44,25 @@
 
 #include "u_compiler.h"
 
-#if defined(PTHREADS) || defined(WIN32)
+#if defined(PTHREADS)
+#include <pthread.h> /* POSIX threads headers */
+#endif
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
+#if defined(PTHREADS) || defined(_WIN32)
 #ifndef THREADS
 #define THREADS
 #endif
 #endif
 
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
 /*
  * POSIX threads. This should be your choice in the Unix world
  * whenever possible.  When building with POSIX threads, be sure
@@ -60,7 +73,6 @@
  * proper compiling for MT-safe libc etc.
  */
 #if defined(PTHREADS)
-#include <pthread.h> /* POSIX threads headers */
 
 struct u_tsd {
    pthread_key_t key;
@@ -86,7 +98,6 @@ typedef pthread_mutex_t u_mutex;
  * used!
  */
 #ifdef WIN32
-#include <windows.h>
 
 struct u_tsd {
    DWORD key;
@@ -142,4 +153,9 @@ u_tsd_get(struct u_tsd *tsd);
 void
 u_tsd_set(struct u_tsd *tsd, void *ptr);
 
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _U_THREAD_H_ */