diff options
Diffstat (limited to 'cmake/modules/HandleLLVMOptions.cmake')
| -rw-r--r-- | cmake/modules/HandleLLVMOptions.cmake | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake index 6788f8e..3a10a86 100644 --- a/cmake/modules/HandleLLVMOptions.cmake +++ b/cmake/modules/HandleLLVMOptions.cmake @@ -76,7 +76,7 @@ if( LLVM_ENABLE_PIC ) # Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't # know how to disable this, so just force ENABLE_PIC off for now. message(WARNING "-fPIC not supported with Xcode.") - elseif( WIN32 ) + elseif( WIN32 OR CYGWIN) # On Windows all code is PIC. MinGW warns if -fPIC is used. else() include(CheckCXXCompilerFlag) @@ -88,6 +88,15 @@ if( LLVM_ENABLE_PIC ) else( SUPPORTS_FPIC_FLAG ) message(WARNING "-fPIC not supported.") endif() + + if( WIN32 OR CYGWIN) + # MinGW warns if -fvisibility-inlines-hidden is used. + else() + check_cxx_compiler_flag("-fvisibility-inlines-hidden" SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG) + if( SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG ) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility-inlines-hidden") + endif() + endif() endif() endif() @@ -127,6 +136,10 @@ endif() if( MSVC ) include(ChooseMSVCCRT) + if( MSVC11 ) + add_llvm_definitions(-D_VARIADIC_MAX=10) + endif() + # Add definitions that make MSVC much less annoying. add_llvm_definitions( # For some reason MS wants to deprecate a bunch of standard functions... @@ -173,6 +186,10 @@ elseif( LLVM_COMPILER_IS_GCC_COMPATIBLE ) if (LLVM_ENABLE_PEDANTIC) add_llvm_definitions( -pedantic -Wno-long-long ) endif (LLVM_ENABLE_PEDANTIC) + check_cxx_compiler_flag("-Werror -Wcovered-switch-default" SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG) + if( SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG ) + add_llvm_definitions( -Wcovered-switch-default ) + endif() endif (LLVM_ENABLE_WARNINGS) if (LLVM_ENABLE_WERROR) add_llvm_definitions( -Werror ) |