From 5f759836ad75360a2f4581083043a86f7a8c1e09 Mon Sep 17 00:00:00 2001 From: Vinson Lee Date: Sat, 7 Mar 2015 14:07:10 -0800 Subject: [PATCH] Add macro for unused function attribute. Suggested-by: Emil Velikov Signed-off-by: Vinson Lee Reviewed-by: Emil Velikov --- configure.ac | 1 + scons/gallium.py | 1 + src/util/macros.h | 6 ++++++ 3 files changed, 8 insertions(+) diff --git a/configure.ac b/configure.ac index 90c7737148e..2954f80b401 100644 --- a/configure.ac +++ b/configure.ac @@ -195,6 +195,7 @@ AX_GCC_FUNC_ATTRIBUTE([flatten]) AX_GCC_FUNC_ATTRIBUTE([format]) AX_GCC_FUNC_ATTRIBUTE([malloc]) AX_GCC_FUNC_ATTRIBUTE([packed]) +AX_GCC_FUNC_ATTRIBUTE([unused]) AM_CONDITIONAL([GEN_ASM_OFFSETS], test "x$GEN_ASM_OFFSETS" = xyes) diff --git a/scons/gallium.py b/scons/gallium.py index 7533f0651b8..b162089f62a 100755 --- a/scons/gallium.py +++ b/scons/gallium.py @@ -369,6 +369,7 @@ def generate(env): 'HAVE___BUILTIN_FFS', 'HAVE___BUILTIN_FFSLL', 'HAVE_FUNC_ATTRIBUTE_FLATTEN', + 'HAVE_FUNC_ATTRIBUTE_UNUSED', # GCC 3.0 'HAVE_FUNC_ATTRIBUTE_FORMAT', 'HAVE_FUNC_ATTRIBUTE_PACKED', diff --git a/src/util/macros.h b/src/util/macros.h index 63daba37c30..6c7bda7ae01 100644 --- a/src/util/macros.h +++ b/src/util/macros.h @@ -176,5 +176,11 @@ do { \ # endif #endif +#ifdef HAVE_FUNC_ATTRIBUTE_UNUSED +#define UNUSED __attribute__((unused)) +#else +#define UNUSED +#endif + #endif /* UTIL_MACROS_H */ -- 2.11.0