gallium: do not wrap header inclusion in

Add one missing extern C guard within include/pipe/p_video_enums.h, and
remove the wrapping throughout gallium.

On Haiku one could even use the gallium debug_printf() although
that's another topic.

v2: Leave dbghelp.h as is (Jose)

Cc: Jose Fonseca <jfonseca@vmware.com>
Cc: Brian Paul <brianp@vmware.com>
Cc: Alexander von Gluck IV <kallisti5@unixzen.com>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>

src/gallium/auxiliary/tgsi/tgsi_sanity.h

@@ -28,12 +28,12 @@
 #ifndef TGSI_SANITY_H
 #define TGSI_SANITY_H
 
+#include "pipe/p_compiler.h"
+
 #if defined __cplusplus
 extern "C" {
 #endif
 
-#include "pipe/p_compiler.h"
-
 struct tgsi_token;
 
 /* Check the given token stream for errors and common mistakes.

src/gallium/auxiliary/tgsi/tgsi_text.h

@@ -28,12 +28,12 @@
 #ifndef TGSI_TEXT_H
 #define TGSI_TEXT_H
 
+#include "pipe/p_compiler.h"
+
 #if defined __cplusplus
 extern "C" {
 #endif
 
-#include "pipe/p_compiler.h"
-
 struct tgsi_token;
 
 boolean

src/gallium/auxiliary/util/u_debug.h

@@ -39,6 +39,11 @@
 #define U_DEBUG_H_
 
 
+#if defined(PIPE_OS_HAIKU)
+/* Haiku provides debug_printf in libroot with OS.h */
+#include <OS.h>
+#endif
+
 #include "os/os_misc.h"
 
 #include "pipe/p_format.h"
@@ -94,9 +99,6 @@ debug_printf(const char *format, ...)
    (void) format; /* silence warning */
 #endif
 }
-#else /* is Haiku */
-/* Haiku provides debug_printf in libroot with OS.h */
-#include <OS.h>
 #endif
 
 

src/gallium/auxiliary/util/u_draw_quad.h

@@ -32,6 +32,7 @@
 #include "pipe/p_compiler.h"
 #include "pipe/p_context.h"
 
+#include "util/u_draw.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -40,8 +41,6 @@ extern "C" {
 struct pipe_resource;
 struct cso_context;
 
-#include "util/u_draw.h"
-
 extern void 
 util_draw_vertex_buffer(struct pipe_context *pipe, struct cso_context *cso,
                         struct pipe_resource *vbuf, uint vbuf_slot,

src/gallium/auxiliary/util/u_helpers.h

@@ -28,12 +28,12 @@
 #ifndef U_HELPERS_H
 #define U_HELPERS_H
 
+#include "pipe/p_state.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#include "pipe/p_state.h"
-
 void util_set_vertex_buffers_mask(struct pipe_vertex_buffer *dst,
                                   uint32_t *enabled_buffers,
                                   const struct pipe_vertex_buffer *src,

src/gallium/auxiliary/util/u_video.h

@@ -28,10 +28,6 @@
 #ifndef U_VIDEO_H
 #define U_VIDEO_H
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 #include "pipe/p_defines.h"
 #include "pipe/p_video_enums.h"
 
@@ -40,6 +36,10 @@ extern "C" {
 #include "util/u_debug.h"
 #include "util/u_math.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 static inline enum pipe_video_format
 u_reduce_video_profile(enum pipe_video_profile profile)
 {

src/gallium/include/pipe/p_format.h

@@ -29,12 +29,12 @@
 #ifndef PIPE_FORMAT_H
 #define PIPE_FORMAT_H
 
+#include "p_config.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#include "p_config.h"
-
 /**
  * Formats for textures, surfaces and vertex data
  */

src/gallium/include/pipe/p_video_codec.h

@@ -28,12 +28,12 @@
 #ifndef PIPE_VIDEO_CONTEXT_H
 #define PIPE_VIDEO_CONTEXT_H
 
+#include "pipe/p_video_state.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#include "pipe/p_video_state.h"
-
 struct pipe_screen;
 struct pipe_surface;
 struct pipe_macroblock;

src/gallium/include/pipe/p_video_enums.h

@@ -28,6 +28,10 @@
 #ifndef PIPE_VIDEO_ENUMS_H
 #define PIPE_VIDEO_ENUMS_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 enum pipe_video_format
 {
    PIPE_VIDEO_FORMAT_UNKNOWN = 0,
@@ -87,4 +91,8 @@ enum pipe_video_entrypoint
    PIPE_VIDEO_ENTRYPOINT_ENCODE
 };
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif /* PIPE_VIDEO_ENUMS_H */