diff options
Diffstat (limited to 'Modules/CMakeDetermineCCompiler.cmake')
| -rw-r--r-- | Modules/CMakeDetermineCCompiler.cmake | 162 |
1 files changed, 81 insertions, 81 deletions
diff --git a/Modules/CMakeDetermineCCompiler.cmake b/Modules/CMakeDetermineCCompiler.cmake index 3ce968c..6bed021 100644 --- a/Modules/CMakeDetermineCCompiler.cmake +++ b/Modules/CMakeDetermineCCompiler.cmake @@ -31,89 +31,89 @@ # If not already set before, it also sets # _CMAKE_TOOLCHAIN_PREFIX -INCLUDE(${CMAKE_ROOT}/Modules/CMakeDetermineCompiler.cmake) +include(${CMAKE_ROOT}/Modules/CMakeDetermineCompiler.cmake) # Load system-specific compiler preferences for this language. -INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-C OPTIONAL) -IF(NOT CMAKE_C_COMPILER_NAMES) - SET(CMAKE_C_COMPILER_NAMES cc) -ENDIF() +include(Platform/${CMAKE_SYSTEM_NAME}-C OPTIONAL) +if(NOT CMAKE_C_COMPILER_NAMES) + set(CMAKE_C_COMPILER_NAMES cc) +endif() -IF(NOT CMAKE_C_COMPILER) - SET(CMAKE_C_COMPILER_INIT NOTFOUND) +if(NOT CMAKE_C_COMPILER) + set(CMAKE_C_COMPILER_INIT NOTFOUND) # prefer the environment variable CC - IF($ENV{CC} MATCHES ".+") - GET_FILENAME_COMPONENT(CMAKE_C_COMPILER_INIT $ENV{CC} PROGRAM PROGRAM_ARGS CMAKE_C_FLAGS_ENV_INIT) - IF(CMAKE_C_FLAGS_ENV_INIT) - SET(CMAKE_C_COMPILER_ARG1 "${CMAKE_C_FLAGS_ENV_INIT}" CACHE STRING "First argument to C compiler") - ENDIF(CMAKE_C_FLAGS_ENV_INIT) - IF(NOT EXISTS ${CMAKE_C_COMPILER_INIT}) - MESSAGE(FATAL_ERROR "Could not find compiler set in environment variable CC:\n$ENV{CC}.") - ENDIF(NOT EXISTS ${CMAKE_C_COMPILER_INIT}) - ENDIF($ENV{CC} MATCHES ".+") + if($ENV{CC} MATCHES ".+") + get_filename_component(CMAKE_C_COMPILER_INIT $ENV{CC} PROGRAM PROGRAM_ARGS CMAKE_C_FLAGS_ENV_INIT) + if(CMAKE_C_FLAGS_ENV_INIT) + set(CMAKE_C_COMPILER_ARG1 "${CMAKE_C_FLAGS_ENV_INIT}" CACHE STRING "First argument to C compiler") + endif(CMAKE_C_FLAGS_ENV_INIT) + if(NOT EXISTS ${CMAKE_C_COMPILER_INIT}) + message(FATAL_ERROR "Could not find compiler set in environment variable CC:\n$ENV{CC}.") + endif(NOT EXISTS ${CMAKE_C_COMPILER_INIT}) + endif($ENV{CC} MATCHES ".+") # next try prefer the compiler specified by the generator - IF(CMAKE_GENERATOR_CC) - IF(NOT CMAKE_C_COMPILER_INIT) - SET(CMAKE_C_COMPILER_INIT ${CMAKE_GENERATOR_CC}) - ENDIF(NOT CMAKE_C_COMPILER_INIT) - ENDIF(CMAKE_GENERATOR_CC) + if(CMAKE_GENERATOR_CC) + if(NOT CMAKE_C_COMPILER_INIT) + set(CMAKE_C_COMPILER_INIT ${CMAKE_GENERATOR_CC}) + endif(NOT CMAKE_C_COMPILER_INIT) + endif(CMAKE_GENERATOR_CC) # finally list compilers to try - IF(NOT CMAKE_C_COMPILER_INIT) - SET(CMAKE_C_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}cc ${_CMAKE_TOOLCHAIN_PREFIX}gcc cl bcc xlc clang) - ENDIF() + if(NOT CMAKE_C_COMPILER_INIT) + set(CMAKE_C_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}cc ${_CMAKE_TOOLCHAIN_PREFIX}gcc cl bcc xlc clang) + endif() _cmake_find_compiler(C) -ELSE(NOT CMAKE_C_COMPILER) +else(NOT CMAKE_C_COMPILER) # we only get here if CMAKE_C_COMPILER was specified using -D or a pre-made CMakeCache.txt # (e.g. via ctest) or set in CMAKE_TOOLCHAIN_FILE # if CMAKE_C_COMPILER is a list of length 2, use the first item as # CMAKE_C_COMPILER and the 2nd one as CMAKE_C_COMPILER_ARG1 - LIST(LENGTH CMAKE_C_COMPILER _CMAKE_C_COMPILER_LIST_LENGTH) - IF("${_CMAKE_C_COMPILER_LIST_LENGTH}" EQUAL 2) - LIST(GET CMAKE_C_COMPILER 1 CMAKE_C_COMPILER_ARG1) - LIST(GET CMAKE_C_COMPILER 0 CMAKE_C_COMPILER) - ENDIF("${_CMAKE_C_COMPILER_LIST_LENGTH}" EQUAL 2) + list(LENGTH CMAKE_C_COMPILER _CMAKE_C_COMPILER_LIST_LENGTH) + if("${_CMAKE_C_COMPILER_LIST_LENGTH}" EQUAL 2) + list(GET CMAKE_C_COMPILER 1 CMAKE_C_COMPILER_ARG1) + list(GET CMAKE_C_COMPILER 0 CMAKE_C_COMPILER) + endif("${_CMAKE_C_COMPILER_LIST_LENGTH}" EQUAL 2) # if a compiler was specified by the user but without path, # now try to find it with the full path # if it is found, force it into the cache, # if not, don't overwrite the setting (which was given by the user) with "NOTFOUND" # if the C compiler already had a path, reuse it for searching the CXX compiler - GET_FILENAME_COMPONENT(_CMAKE_USER_C_COMPILER_PATH "${CMAKE_C_COMPILER}" PATH) - IF(NOT _CMAKE_USER_C_COMPILER_PATH) - FIND_PROGRAM(CMAKE_C_COMPILER_WITH_PATH NAMES ${CMAKE_C_COMPILER}) - MARK_AS_ADVANCED(CMAKE_C_COMPILER_WITH_PATH) - IF(CMAKE_C_COMPILER_WITH_PATH) - SET(CMAKE_C_COMPILER ${CMAKE_C_COMPILER_WITH_PATH} CACHE STRING "C compiler" FORCE) - ENDIF(CMAKE_C_COMPILER_WITH_PATH) - ENDIF(NOT _CMAKE_USER_C_COMPILER_PATH) -ENDIF(NOT CMAKE_C_COMPILER) -MARK_AS_ADVANCED(CMAKE_C_COMPILER) - -IF (NOT _CMAKE_TOOLCHAIN_LOCATION) - GET_FILENAME_COMPONENT(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_C_COMPILER}" PATH) -ENDIF (NOT _CMAKE_TOOLCHAIN_LOCATION) + get_filename_component(_CMAKE_USER_C_COMPILER_PATH "${CMAKE_C_COMPILER}" PATH) + if(NOT _CMAKE_USER_C_COMPILER_PATH) + find_program(CMAKE_C_COMPILER_WITH_PATH NAMES ${CMAKE_C_COMPILER}) + mark_as_advanced(CMAKE_C_COMPILER_WITH_PATH) + if(CMAKE_C_COMPILER_WITH_PATH) + set(CMAKE_C_COMPILER ${CMAKE_C_COMPILER_WITH_PATH} CACHE STRING "C compiler" FORCE) + endif(CMAKE_C_COMPILER_WITH_PATH) + endif(NOT _CMAKE_USER_C_COMPILER_PATH) +endif(NOT CMAKE_C_COMPILER) +mark_as_advanced(CMAKE_C_COMPILER) + +if (NOT _CMAKE_TOOLCHAIN_LOCATION) + get_filename_component(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_C_COMPILER}" PATH) +endif (NOT _CMAKE_TOOLCHAIN_LOCATION) # Build a small source file to identify the compiler. -IF(${CMAKE_GENERATOR} MATCHES "Visual Studio") - SET(CMAKE_C_COMPILER_ID_RUN 1) - SET(CMAKE_C_PLATFORM_ID "Windows") - SET(CMAKE_C_COMPILER_ID "MSVC") -ENDIF(${CMAKE_GENERATOR} MATCHES "Visual Studio") +if(${CMAKE_GENERATOR} MATCHES "Visual Studio") + set(CMAKE_C_COMPILER_ID_RUN 1) + set(CMAKE_C_PLATFORM_ID "Windows") + set(CMAKE_C_COMPILER_ID "MSVC") +endif(${CMAKE_GENERATOR} MATCHES "Visual Studio") -IF(NOT CMAKE_C_COMPILER_ID_RUN) - SET(CMAKE_C_COMPILER_ID_RUN 1) +if(NOT CMAKE_C_COMPILER_ID_RUN) + set(CMAKE_C_COMPILER_ID_RUN 1) # Each entry in this list is a set of extra flags to try # adding to the compile line to see if it helps produce # a valid identification file. - SET(CMAKE_C_COMPILER_ID_TEST_FLAGS + set(CMAKE_C_COMPILER_ID_TEST_FLAGS # Try compiling to an object file only. "-c" @@ -122,22 +122,22 @@ IF(NOT CMAKE_C_COMPILER_ID_RUN) ) # Try to identify the compiler. - SET(CMAKE_C_COMPILER_ID) - FILE(READ ${CMAKE_ROOT}/Modules/CMakePlatformId.h.in + set(CMAKE_C_COMPILER_ID) + file(READ ${CMAKE_ROOT}/Modules/CMakePlatformId.h.in CMAKE_C_COMPILER_ID_PLATFORM_CONTENT) - INCLUDE(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerId.cmake) + include(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerId.cmake) CMAKE_DETERMINE_COMPILER_ID(C CFLAGS CMakeCCompilerId.c) # Set old compiler and platform id variables. - IF("${CMAKE_C_COMPILER_ID}" MATCHES "GNU") - SET(CMAKE_COMPILER_IS_GNUCC 1) - ENDIF("${CMAKE_C_COMPILER_ID}" MATCHES "GNU") - IF("${CMAKE_C_PLATFORM_ID}" MATCHES "MinGW") - SET(CMAKE_COMPILER_IS_MINGW 1) - ELSEIF("${CMAKE_C_PLATFORM_ID}" MATCHES "Cygwin") - SET(CMAKE_COMPILER_IS_CYGWIN 1) - ENDIF("${CMAKE_C_PLATFORM_ID}" MATCHES "MinGW") -ENDIF(NOT CMAKE_C_COMPILER_ID_RUN) + if("${CMAKE_C_COMPILER_ID}" MATCHES "GNU") + set(CMAKE_COMPILER_IS_GNUCC 1) + endif("${CMAKE_C_COMPILER_ID}" MATCHES "GNU") + if("${CMAKE_C_PLATFORM_ID}" MATCHES "MinGW") + set(CMAKE_COMPILER_IS_MINGW 1) + elseif("${CMAKE_C_PLATFORM_ID}" MATCHES "Cygwin") + set(CMAKE_COMPILER_IS_CYGWIN 1) + endif("${CMAKE_C_PLATFORM_ID}" MATCHES "MinGW") +endif(NOT CMAKE_C_COMPILER_ID_RUN) # If we have a gcc cross compiler, they have usually some prefix, like # e.g. powerpc-linux-gcc, arm-elf-gcc or i586-mingw32msvc-gcc, optionally @@ -146,33 +146,33 @@ ENDIF(NOT CMAKE_C_COMPILER_ID_RUN) # NAME_WE cannot be used since then this test will fail for names lile # "arm-unknown-nto-qnx6.3.0-gcc.exe", where BASENAME would be # "arm-unknown-nto-qnx6" instead of the correct "arm-unknown-nto-qnx6.3.0-" -IF (CMAKE_CROSSCOMPILING +if (CMAKE_CROSSCOMPILING AND "${CMAKE_C_COMPILER_ID}" MATCHES "GNU" AND NOT _CMAKE_TOOLCHAIN_PREFIX) - GET_FILENAME_COMPONENT(COMPILER_BASENAME "${CMAKE_C_COMPILER}" NAME) - IF (COMPILER_BASENAME MATCHES "^(.+-)g?cc(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$") - SET(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1}) - ENDIF (COMPILER_BASENAME MATCHES "^(.+-)g?cc(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$") + get_filename_component(COMPILER_BASENAME "${CMAKE_C_COMPILER}" NAME) + if (COMPILER_BASENAME MATCHES "^(.+-)g?cc(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$") + set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1}) + endif (COMPILER_BASENAME MATCHES "^(.+-)g?cc(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$") # if "llvm-" is part of the prefix, remove it, since llvm doesn't have its own binutils # but uses the regular ar, objcopy, etc. (instead of llvm-objcopy etc.) - IF ("${_CMAKE_TOOLCHAIN_PREFIX}" MATCHES "(.+-)?llvm-$") - SET(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1}) - ENDIF ("${_CMAKE_TOOLCHAIN_PREFIX}" MATCHES "(.+-)?llvm-$") + if ("${_CMAKE_TOOLCHAIN_PREFIX}" MATCHES "(.+-)?llvm-$") + set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1}) + endif ("${_CMAKE_TOOLCHAIN_PREFIX}" MATCHES "(.+-)?llvm-$") -ENDIF (CMAKE_CROSSCOMPILING +endif (CMAKE_CROSSCOMPILING AND "${CMAKE_C_COMPILER_ID}" MATCHES "GNU" AND NOT _CMAKE_TOOLCHAIN_PREFIX) -INCLUDE(${CMAKE_ROOT}/Modules/CMakeClDeps.cmake) -INCLUDE(CMakeFindBinUtils) -IF(MSVC_C_ARCHITECTURE_ID) - SET(SET_MSVC_C_ARCHITECTURE_ID - "SET(MSVC_C_ARCHITECTURE_ID ${MSVC_C_ARCHITECTURE_ID})") -ENDIF(MSVC_C_ARCHITECTURE_ID) +include(${CMAKE_ROOT}/Modules/CMakeClDeps.cmake) +include(CMakeFindBinUtils) +if(MSVC_C_ARCHITECTURE_ID) + set(SET_MSVC_C_ARCHITECTURE_ID + "set(MSVC_C_ARCHITECTURE_ID ${MSVC_C_ARCHITECTURE_ID})") +endif(MSVC_C_ARCHITECTURE_ID) # configure variables set in this file for fast reload later on -CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CMakeCCompiler.cmake.in +configure_file(${CMAKE_ROOT}/Modules/CMakeCCompiler.cmake.in "${CMAKE_PLATFORM_ROOT_BIN}/CMakeCCompiler.cmake" @ONLY IMMEDIATE # IMMEDIATE must be here for compatibility mode <= 2.0 ) -SET(CMAKE_C_COMPILER_ENV_VAR "CC") +set(CMAKE_C_COMPILER_ENV_VAR "CC") |