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-rw-r--r--compiler.h18
1 files changed, 14 insertions, 4 deletions
diff --git a/compiler.h b/compiler.h
index 798466fe..0f7261c8 100644
--- a/compiler.h
+++ b/compiler.h
@@ -13,15 +13,25 @@
*
* Compiler-specific macros for NASM. Feel free to add support for
* other compilers in here.
+ *
+ * This header file should be included before any other header.
*/
-#ifndef COMPILER_H
-#define COMPILER_H 1
+#ifndef NASM_COMPILER_H
+#define NASM_COMPILER_H 1
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
+/* Request as many features as we can */
+#define _GNU_SOURCE
+#define _ISO99_SOURCE
+#define _POSIX_SOURCE
+#define _POSIX_C_SOURCE 200112L
+#define _XOPEN_SOURCE 600
+#define _XOPEN_SOURCE_EXTENDED
+
#ifdef __GNUC__
# if __GNUC__ >= 4
# define HAVE_GNUC_4
@@ -38,9 +48,9 @@
#endif
/* Some versions of MSVC have these only with underscores in front */
-#include <stdio.h>
#include <stddef.h>
#include <stdarg.h>
+#include <stdio.h>
#ifndef HAVE_SNPRINTF
# ifdef HAVE__SNPRINTF
@@ -58,4 +68,4 @@ int vsnprintf(char *, size_t, const char *, va_list);
# endif
#endif
-#endif /* COMPILER_H */
+#endif /* NASM_COMPILER_H */