diff options
| author | Victor Costan <costan@google.com> | 2019-06-12 09:47:38 -0700 |
|---|---|---|
| committer | Chris Mumford <cmumford@google.com> | 2019-06-13 13:41:24 -0700 |
| commit | 69061b464ab1da287da9b7ffec1ed911b754403b (patch) | |
| tree | e594b4486a597cedd94f94af40985457e889cf52 /CMakeLists.txt | |
| parent | 4cb80b7ddce6ff6089b15d8cfebf746fc1572477 (diff) | |
| download | leveldb-69061b464ab1da287da9b7ffec1ed911b754403b.tar.gz | |
Disable exceptions and RTTI in CMake configuration.
PiperOrigin-RevId: 252842234
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 1ea33ab..13ebbc9 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -49,9 +49,31 @@ check_cxx_symbol_exists(fdatasync "unistd.h" HAVE_FDATASYNC) check_cxx_symbol_exists(F_FULLFSYNC "fcntl.h" HAVE_FULLFSYNC) check_cxx_symbol_exists(O_CLOEXEC "fcntl.h" HAVE_O_CLOEXEC) -include(CheckCXXSourceCompiles) +if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") + # Disable C++ exceptions. + string(REGEX REPLACE "/EH[a-z]+" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHs-c-") + add_definitions(-D_HAS_EXCEPTIONS=0) + + # Disable RTTI. + string(REGEX REPLACE "/GR" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR-") +else(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") + # Enable strict prototype warnings for C code in clang and gcc. + if(NOT CMAKE_C_FLAGS MATCHES "-Wstrict-prototypes") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wstrict-prototypes") + endif(NOT CMAKE_C_FLAGS MATCHES "-Wstrict-prototypes") + + # Disable C++ exceptions. + string(REGEX REPLACE "-fexceptions" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions") + + # Disable RTTI. + string(REGEX REPLACE "-frtti" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti") +endif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") -set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wstrict-prototypes") +include(CheckCXXSourceCompiles) # Test whether -Wthread-safety is available. See # https://clang.llvm.org/docs/ThreadSafetyAnalysis.html |