diff options
| -rw-r--r-- | libcxxabi/CMakeLists.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libcxxabi/CMakeLists.txt b/libcxxabi/CMakeLists.txt index fafb7774936..d914b6e0290 100644 --- a/libcxxabi/CMakeLists.txt +++ b/libcxxabi/CMakeLists.txt @@ -270,6 +270,13 @@ include(config-ix) if (LIBCXXABI_HAS_NOSTDINCXX_FLAG) list(APPEND LIBCXXABI_COMPILE_FLAGS -nostdinc++) + # cmake 3.14 and above remove system include paths that are explicitly + # passed on the command line. We build with -nostdinc++ and explicitly add + # just the libcxx system include paths with -I on the command line. + # Setting CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES effectively prevents cmake + # from removing these. + # See: https://gitlab.kitware.com/cmake/cmake/issues/19227 + set(CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES "") # Remove -stdlib flags to prevent them from causing an unused flag warning. string(REPLACE "-stdlib=libc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") string(REPLACE "-stdlib=libstdc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") |
