diff options
Diffstat (limited to 'Modules/Compiler/LCC.cmake')
| -rw-r--r-- | Modules/Compiler/LCC.cmake | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/Modules/Compiler/LCC.cmake b/Modules/Compiler/LCC.cmake new file mode 100644 index 0000000..8353ab6 --- /dev/null +++ b/Modules/Compiler/LCC.cmake @@ -0,0 +1,95 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + + +# This module is shared by multiple languages; use include blocker. +if(__COMPILER_LCC) + return() +endif() +set(__COMPILER_LCC 1) + +include(Compiler/CMakeCommonCompilerMacros) + +set(__pch_header_C "c-header") +set(__pch_header_CXX "c++-header") +set(__pch_header_OBJC "objective-c-header") +set(__pch_header_OBJCXX "objective-c++-header") + +macro(__compiler_lcc lang) + # Feature flags. + set(CMAKE_${lang}_VERBOSE_FLAG "-v") + set(CMAKE_${lang}_COMPILE_OPTIONS_PIC "-fPIC") + set (_CMAKE_${lang}_PIE_MAY_BE_SUPPORTED_BY_LINKER NO) + set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "-fPIE") + # Support of PIE at link stage depends on various elements : platform, compiler, linker + # so to activate it, module CheckPIESupported must be used. + set (_CMAKE_${lang}_PIE_MAY_BE_SUPPORTED_BY_LINKER YES) + set(CMAKE_${lang}_LINK_OPTIONS_PIE ${CMAKE_${lang}_COMPILE_OPTIONS_PIE} "-pie") + set(CMAKE_${lang}_LINK_OPTIONS_NO_PIE "-no-pie") + set(CMAKE_${lang}_COMPILE_OPTIONS_VISIBILITY "-fvisibility=") + set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "-fPIC") + set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-shared") + set(CMAKE_${lang}_COMPILE_OPTIONS_SYSROOT "--sysroot=") + + set(CMAKE_${lang}_LINKER_WRAPPER_FLAG "-Wl,") + set(CMAKE_${lang}_LINKER_WRAPPER_FLAG_SEP ",") + + # Older versions of gcc (< 4.5) contain a bug causing them to report a missing + # header file as a warning if depfiles are enabled, causing check_header_file + # tests to always succeed. Work around this by disabling dependency tracking + # in try_compile mode. + get_property(_IN_TC GLOBAL PROPERTY IN_TRY_COMPILE) + if(CMAKE_${lang}_COMPILER_ID STREQUAL "LCC" AND _IN_TC AND NOT CMAKE_FORCE_DEPFILES) + else() + # distcc does not transform -o to -MT when invoking the preprocessor + # internally, as it ought to. Work around this bug by setting -MT here + # even though it isn't strictly necessary. + set(CMAKE_DEPFILE_FLAGS_${lang} "-MD -MT <DEP_TARGET> -MF <DEP_FILE>") + endif() + + # Initial configuration flags. + string(APPEND CMAKE_${lang}_FLAGS_INIT " ") + string(APPEND CMAKE_${lang}_FLAGS_DEBUG_INIT " -g") + string(APPEND CMAKE_${lang}_FLAGS_MINSIZEREL_INIT " -Os -DNDEBUG") + string(APPEND CMAKE_${lang}_FLAGS_RELEASE_INIT " -O3 -DNDEBUG") + string(APPEND CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT " -O2 -g -DNDEBUG") + set(CMAKE_${lang}_CREATE_PREPROCESSED_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>") + set(CMAKE_${lang}_CREATE_ASSEMBLY_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>") + set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ") + set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES) + set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER NO) + set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES) + set(__lto_flags -flto) + list(APPEND __lto_flags -fno-fat-lto-objects) + set(CMAKE_${lang}_COMPILE_OPTIONS_IPO ${__lto_flags}) + + set(CMAKE_${lang}_ARCHIVE_CREATE_IPO + "\"${CMAKE_${lang}_COMPILER_AR}\" cr <TARGET> <LINK_FLAGS> <OBJECTS>" + ) + + set(CMAKE_${lang}_ARCHIVE_APPEND_IPO + "\"${CMAKE_${lang}_COMPILER_AR}\" r <TARGET> <LINK_FLAGS> <OBJECTS>" + ) + + set(CMAKE_${lang}_ARCHIVE_FINISH_IPO + "\"${CMAKE_${lang}_COMPILER_RANLIB}\" <TARGET>" + ) + + set(CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "${CMAKE_${lang}_COMPILER}") + if(CMAKE_${lang}_COMPILER_ARG1) + separate_arguments(_COMPILER_ARGS NATIVE_COMMAND "${CMAKE_${lang}_COMPILER_ARG1}") + list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND ${_COMPILER_ARGS}) + unset(_COMPILER_ARGS) + endif() + list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "-dM" "-E" "-c" "${CMAKE_ROOT}/Modules/CMakeCXXCompilerABI.cpp") + + if(NOT "x${lang}" STREQUAL "xFortran") + set(CMAKE_PCH_EXTENSION .gch) + if (NOT CMAKE_GENERATOR MATCHES "Xcode") + set(CMAKE_PCH_PROLOGUE "#pragma GCC system_header") + endif() + set(CMAKE_${lang}_COMPILE_OPTIONS_INVALID_PCH -Winvalid-pch) + set(CMAKE_${lang}_COMPILE_OPTIONS_USE_PCH -include <PCH_HEADER>) + set(CMAKE_${lang}_COMPILE_OPTIONS_CREATE_PCH -x ${__pch_header_${lang}} -include <PCH_HEADER>) + endif() +endmacro() |