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| author | Petr Hosek <phosek@chromium.org> | 2019-05-30 05:38:06 +0000 |
|---|---|---|
| committer | Petr Hosek <phosek@chromium.org> | 2019-05-30 05:38:06 +0000 |
| commit | f1ddf431b5dd47a6c03ed1420af69facace8cb1d (patch) | |
| tree | 82bf5a5cf21be79ba63bcfa689d14cb1b1d01dbb | |
| parent | e4cfa89915b7e16a095272f6603a3df83b982d38 (diff) | |
| download | bcm5719-llvm-f1ddf431b5dd47a6c03ed1420af69facace8cb1d.tar.gz bcm5719-llvm-f1ddf431b5dd47a6c03ed1420af69facace8cb1d.zip | |
[runtimes] Use -Wunknown-pragmas for the pragma check
This is a follow up to r362055, we need -Wunknown-pragmas otherwise
the check is going to succeed it the pragma isn't supported.
llvm-svn: 362057
| -rw-r--r-- | libcxx/cmake/config-ix.cmake | 4 | ||||
| -rw-r--r-- | libcxxabi/cmake/config-ix.cmake | 4 | ||||
| -rw-r--r-- | libunwind/cmake/config-ix.cmake | 4 |
3 files changed, 12 insertions, 0 deletions
diff --git a/libcxx/cmake/config-ix.cmake b/libcxx/cmake/config-ix.cmake index b2d275bbb25..cedc7679287 100644 --- a/libcxx/cmake/config-ix.cmake +++ b/libcxx/cmake/config-ix.cmake @@ -1,3 +1,4 @@ +include(CMakePushCheckState) include(CheckLibraryExists) include(CheckCCompilerFlag) include(CheckCXXCompilerFlag) @@ -62,10 +63,13 @@ endif () # Check compiler pragmas if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") + cmake_push_check_state() + set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror=unknown-pragmas") check_c_source_compiles(" #pragma comment(lib, \"c\") int main() { return 0; } " LIBCXX_HAS_COMMENT_LIB_PRAGMA) + cmake_pop_check_state() endif() if(NOT WIN32 OR MINGW) diff --git a/libcxxabi/cmake/config-ix.cmake b/libcxxabi/cmake/config-ix.cmake index 30d2ae237d1..04d58fcc98d 100644 --- a/libcxxabi/cmake/config-ix.cmake +++ b/libcxxabi/cmake/config-ix.cmake @@ -1,3 +1,4 @@ +include(CMakePushCheckState) include(CheckLibraryExists) include(CheckCCompilerFlag) include(CheckCXXCompilerFlag) @@ -51,10 +52,13 @@ endif () # Check compiler pragmas if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") + cmake_push_check_state() + set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror=unknown-pragmas") check_c_source_compiles(" #pragma comment(lib, \"c\") int main() { return 0; } " LIBCXXABI_HAS_COMMENT_LIB_PRAGMA) + cmake_pop_check_state() endif() # Check compiler flags diff --git a/libunwind/cmake/config-ix.cmake b/libunwind/cmake/config-ix.cmake index 2c27ecf5207..07a95ce1a46 100644 --- a/libunwind/cmake/config-ix.cmake +++ b/libunwind/cmake/config-ix.cmake @@ -1,3 +1,4 @@ +include(CMakePushCheckState) include(CheckCCompilerFlag) include(CheckCXXCompilerFlag) include(CheckLibraryExists) @@ -57,10 +58,13 @@ endif () # Check compiler pragmas if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") + cmake_push_check_state() + set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror=unknown-pragmas") check_c_source_compiles(" #pragma comment(lib, \"c\") int main() { return 0; } " LIBUNWIND_HAS_COMMENT_LIB_PRAGMA) + cmake_pop_check_state() endif() # Check compiler flags |
