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-rw-r--r--src/gcc.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/src/gcc.h b/src/gcc.h
new file mode 100644
index 000000000..62c78e733
--- /dev/null
+++ b/src/gcc.h
@@ -0,0 +1,50 @@
+#ifndef MPD_GCC_H
+#define MPD_GCC_H
+
+/* this allows us to take advantage of special gcc features while still
+ * allowing other compilers to compile:
+ *
+ * example taken from: http://rlove.org/log/2005102601
+ */
+
+/* disabled (0) until I fix all the warnings :) */
+#if (0 && __GNUC__ >= 3)
+# define mpd_const __attribute__ ((const))
+# define mpd_deprecated __attribute__ ((deprecated))
+# define mpd_malloc __attribute__ ((malloc))
+# define mpd_must_check __attribute__ ((warn_unused_result))
+# define mpd_noreturn __attribute__ ((noreturn))
+# define mpd_packed __attribute__ ((packed))
+/* these are very useful for type checking */
+# define mpd_printf __attribute__ ((format(printf,1,2)))
+# define mpd_fprintf __attribute__ ((format(printf,2,3)))
+# define mpd_fprintf_ __attribute__ ((format(printf,3,4)))
+# define mpd_pure __attribute__ ((pure))
+# define mpd_scanf __attribute__ ((format(scanf,1,2)))
+# define mpd_unused __attribute__ ((unused))
+# define mpd_used __attribute__ ((used))
+/* # define inline inline __attribute__ ((always_inline)) */
+# define mpd_noinline __attribute__ ((noinline))
+# define likely(x) __builtin_expect (!!(x), 1)
+# define unlikely(x) __builtin_expect (!!(x), 0)
+#else
+# define mpd_const
+# define mpd_deprecated
+# define mpd_malloc
+# define mpd_must_check
+# define mpd_noreturn
+# define mpd_packed
+# define mpd_printf
+# define mpd_fprintf
+# define mpd_fprintf_
+# define mpd_pure
+# define mpd_scanf
+# define mpd_unused
+# define mpd_used
+/* # define inline */
+# define mpd_noinline
+# define likely(x) (x)
+# define unlikely(x) (x)
+#endif
+
+#endif /* MPD_GCC_H */