From 945db1173da20c979d1a11d76b69bd2f00d51d97 Mon Sep 17 00:00:00 2001
From: seanc <seanc@fb.com>
Date: Mon, 14 Oct 2013 07:59:22 -0700
Subject: [PATCH] Fix GCC 4.8 warning spew

Summary: Suppress unused local typedef warning in GCC 4.8 because it is
currently triggered by multiple Boost (at least as of 1.53) headers.

Reviewed By: @sgolemon
---
 CMake/HPHPCompiler.cmake | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/CMake/HPHPCompiler.cmake b/CMake/HPHPCompiler.cmake
index 720b28b6bae..31031d299cc 100644
--- a/CMake/HPHPCompiler.cmake
+++ b/CMake/HPHPCompiler.cmake
@@ -16,6 +16,12 @@ int main() { return 0; }" HAVE_GCC_46)
 #endif
 int main() { return 0; }" HAVE_GCC_47)
 
+	CHECK_C_SOURCE_COMPILES("#define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
+#if GCC_VERSION < 40800
+#error Not GCC 4.8.0+
+#endif
+int main() { return 0; }" HAVE_GCC_48)
+
 endif()
 
 set(FREEBSD FALSE)
@@ -37,8 +43,12 @@ else()
 	if(HAVE_GCC_47)
 		set(GNUCC_UNINIT_OPT "-Wno-maybe-uninitialized")
 	endif()
+	set(GNUCC_LOCAL_TYPEDEF_OPT "")
+	if(HAVE_GCC_48)
+		set(GNUCC_LOCAL_TYPEDEF_OPT "-Wno-unused-local-typedefs")
+	endif()
 	set(CMAKE_C_FLAGS "-w")
-	set(CMAKE_CXX_FLAGS "-fno-gcse -fno-omit-frame-pointer -ftemplate-depth-180 -Wall -Woverloaded-virtual -Wno-deprecated -Wno-strict-aliasing -Wno-write-strings -Wno-invalid-offsetof -fno-operator-names -Wno-error=array-bounds -Wno-error=switch -std=gnu++0x -Werror=format-security -Wno-unused-result -Wno-sign-compare -Wno-attributes ${GNUCC_UNINIT_OPT}")
+	set(CMAKE_CXX_FLAGS "-fno-gcse -fno-omit-frame-pointer -ftemplate-depth-180 -Wall -Woverloaded-virtual -Wno-deprecated -Wno-strict-aliasing -Wno-write-strings -Wno-invalid-offsetof -fno-operator-names -Wno-error=array-bounds -Wno-error=switch -std=gnu++0x -Werror=format-security -Wno-unused-result -Wno-sign-compare -Wno-attributes ${GNUCC_UNINIT_OPT} ${GNUCC_LOCAL_TYPEDEF_OPT}")
 endif()
 
 if(CMAKE_COMPILER_IS_GNUCC)
-- 
2.11.4.GIT