diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 94a78f85c8..f4ff4d5ac3 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -250,13 +250,14 @@ if(HAS_DIAG_COLOR_FLAG) endif() if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") - if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.8.5") - # Array-bounds testing is broken in some GCC versions before 4.8.5. - # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273 - check_c_compiler_flag(-Wno-array-bounds HAS_NO_ARRAY_BOUNDS_FLAG) - if(HAS_NO_ARRAY_BOUNDS_FLAG) - add_definitions(-Wno-array-bounds) - endif() + # 1. Array-bounds testing is broken in some GCC versions before 4.8.5. + # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273 + # 2. But _Pragma("...ignored") is broken (unresolved) in GCC 5+: + # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66099 + # So we must disable -Warray-bounds globally for GCC (for kbtree.h, #7083). + check_c_compiler_flag(-Wno-array-bounds HAS_NO_ARRAY_BOUNDS_FLAG) + if(HAS_NO_ARRAY_BOUNDS_FLAG) + add_definitions(-Wno-array-bounds) endif() endif() |