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| -rw-r--r-- | CMakeLists.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index c939507cc6..00095fae53 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -42,6 +42,16 @@ if(APPLE) endif() endif() +# gcc 4.0 and better turn on _FORTIFY_SOURCE=2 automatically. This currently +# does not work with Neovim due to some uses of dynamically-sized structures. +# See https://github.com/neovim/neovim/issues/223 for details. +if(CMAKE_COMPILER_IS_GNUCC AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS "4") + # -U in add_definitions doesn't end up in the correct spot, so we add it to + # the flags variable instead. + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1") +endif() + add_definitions(-Wall -Wextra -pedantic -Wno-unused-parameter -Wstrict-prototypes -std=gnu99) |