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