[Mesa-dev] [PATCH 6/9] util: Add a NORETURN macro

[Jason Ekstrand]

---
 configure.ac      | 1 +
 src/util/macros.h | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/configure.ac b/configure.ac
index e3babd3..9e152b8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -245,6 +245,7 @@ AX_GCC_FUNC_ATTRIBUTE([visibility])
 AX_GCC_FUNC_ATTRIBUTE([warn_unused_result])
 AX_GCC_FUNC_ATTRIBUTE([weak])
 AX_GCC_FUNC_ATTRIBUTE([alias])
+AX_GCC_FUNC_ATTRIBUTE([noreturn])
 
 AM_CONDITIONAL([GEN_ASM_OFFSETS], test "x$GEN_ASM_OFFSETS" = xyes)
 
diff --git a/src/util/macros.h b/src/util/macros.h
index a9a52a1..ab946d5 100644
--- a/src/util/macros.h
+++ b/src/util/macros.h
@@ -171,6 +171,12 @@ do {                       \
 #define ATTRIBUTE_RETURNS_NONNULL
 #endif
 
+#ifdef HAVE_FUNC_ATTRIBUTE_NORETURN
+#define NORETURN __attribute__((__noreturn__))
+#else
+#define NORETURN
+#endif
+
 #ifdef __cplusplus
 /**
  * Macro function that evaluates to true if T is a trivially
-- 
2.5.0.400.gff86faf