From 3abf4c72b4323e8cff35b77b9a5c2154c85aa185 Mon Sep 17 00:00:00 2001 From: John Szakmeister Date: Thu, 27 Jul 2017 06:48:00 -0400 Subject: [PATCH] build: disable array bounds checking in gcc < 4.8.5 Thanks to James McCoy (jamessan) for finding the source of this issue. --- CMakeLists.txt | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/CMakeLists.txt b/CMakeLists.txt index 141fa81e16..d1d6cd237f 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -240,6 +240,16 @@ if(HAS_DIAG_COLOR_FLAG) add_definitions(-fdiagnostics-color=auto) endif() +if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") + if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.8.5") + # The array-bounds testing is broken in some versions of GCC, so we disable + # it in everything prior to 4.8.5. + # See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273 for details about + # the bug. + add_definitions(-Wno-array-bounds) + endif() +endif() + option(TRAVIS_CI_BUILD "Travis/QuickBuild CI. Extra flags will be set." OFF) if(TRAVIS_CI_BUILD)