util/os_memory: use detect_os.h to uncouple it from gallium

While at it, remove p_compiler.h as well as it is unused.

Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

src/util/os_memory.h

@@ -34,10 +34,7 @@
 #ifndef _OS_MEMORY_H_
 #define _OS_MEMORY_H_
 
-
-#include "pipe/p_config.h"
-#include "pipe/p_compiler.h"
-
+#include "detect_os.h"
 
 #if defined(EMBEDDED_DEVICE)
 
@@ -67,7 +64,7 @@ os_free_aligned(void *ptr);
 }
 #endif
 
-#elif defined(PIPE_OS_WINDOWS) && defined(DEBUG) && !defined(DEBUG_MEMORY_IMPLEMENTATION)
+#elif DETECT_OS_WINDOWS && defined(DEBUG) && !defined(DEBUG_MEMORY_IMPLEMENTATION)
 
 #  include "os_memory_debug.h"
 

src/util/os_memory_aligned.h

@@ -36,9 +36,6 @@
 #endif
 
 
-#include "pipe/p_compiler.h"
-
-
 
 /**
  * Add two size_t values with integer overflow check.

src/util/os_memory_debug.h

@@ -36,9 +36,6 @@
 #endif
 
 
-#include "pipe/p_compiler.h"
-
-
 #ifdef __cplusplus
 extern "C" {
 #endif

src/util/os_memory_stdc.h

@@ -37,8 +37,6 @@
 
 #include <stdlib.h>
 
-#include "pipe/p_compiler.h"
-
 
 #define os_malloc(_size)  malloc(_size)
 #define os_calloc(_count, _size )  calloc(_count, _size )
@@ -62,7 +60,7 @@ os_malloc_aligned(size_t size, size_t alignment)
 
 #define os_free_aligned(_ptr) free(_ptr)
 
-#elif defined(PIPE_OS_WINDOWS)
+#elif DETECT_OS_WINDOWS
 
 #include <malloc.h>