diff options
| -rw-r--r-- | Modules/CMakeForceCompiler.cmake | 74 |
1 files changed, 47 insertions, 27 deletions
diff --git a/Modules/CMakeForceCompiler.cmake b/Modules/CMakeForceCompiler.cmake index 0b55500..21e890e 100644 --- a/Modules/CMakeForceCompiler.cmake +++ b/Modules/CMakeForceCompiler.cmake @@ -1,27 +1,47 @@ -MESSAGE(FATAL_ERROR - "Do not include the CMakeForceCompiler module. " - "It is no longer necessary. " - "Update your toolchain file as follows. - -Use of the CMAKE_FORCE_SYSTEM macro: - - CMAKE_FORCE_SYSTEM(\"<name>\" \"<version>\" \"<processor>\") - -may be replaced by just - - SET(CMAKE_SYSTEM_NAME \"<name>\") - SET(CMAKE_SYSTEM_VERSION \"<version>\") - SET(CMAKE_SYSTEM_PROCESSOR \"<processor>\") - -Use of the CMAKE_FORCE_C_COMPILER and CMAKE_FORCE_CXX_COMPILER macros: - - CMAKE_FORCE_C_COMPILER (/path/to/cc <id> <sizeof_void_p>) - CMAKE_FORCE_CXX_COMPILER (/path/to/CC <id>) - -may be replaced by just - - SET(CMAKE_C_COMPILER /path/to/cc) - SET(CMAKE_CXX_COMPILER /path/to/CC) - -CMake will automatically detect known compiler IDs and sizeof(void*). -") +# This module defines macros intended for use by cross-compiling +# toolchain files when CMake is not able to automatically detect the +# compiler identification. +# +# Macro CMAKE_FORCE_C_COMPILER has the following signature: +# CMAKE_FORCE_C_COMPILER(<compiler> <compiler-id>) +# It sets CMAKE_C_COMPILER to the given compiler and the cmake +# internal variable CMAKE_C_COMPILER_ID to the given compiler-id. +# It also bypasses ??? +# +# Macro CMAKE_FORCE_CXX_COMPILER has the following signature: +# CMAKE_FORCE_CXX_COMPILER(<compiler> <compiler-id>) +# It sets CMAKE_CXX_COMPILER to the given compiler and the cmake +# internal variable CMAKE_CXX_COMPILER_ID to the given compiler-id. +# It also bypasses ??? +# +# So a simple toolchain file could look like this: +# INCLUDE (CMakeForceCompiler) +# SET(CMAKE_SYSTEM_NAME Generic) +# CMAKE_FORCE_C_COMPILER (chc12 MetrowerksHicross) +# CMAKE_FORCE_CXX_COMPILER (chc12 MetrowerksHicross) + +MACRO(CMAKE_FORCE_C_COMPILER compiler id) + SET(CMAKE_C_COMPILER "${compiler}") + SET(CMAKE_C_COMPILER_ID_RUN TRUE) + SET(CMAKE_C_COMPILER_ID ${id}) + SET(CMAKE_C_COMPILER_WORKS TRUE) + SET(CMAKE_C_COMPILER_FORCED TRUE) + + # Set old compiler id variables. + IF("${CMAKE_C_COMPILER_ID}" MATCHES "GNU") + SET(CMAKE_COMPILER_IS_GNUCC 1) + ENDIF("${CMAKE_C_COMPILER_ID}" MATCHES "GNU") +ENDMACRO(CMAKE_FORCE_C_COMPILER) + +MACRO(CMAKE_FORCE_CXX_COMPILER compiler id) + SET(CMAKE_CXX_COMPILER "${compiler}") + SET(CMAKE_CXX_COMPILER_ID_RUN TRUE) + SET(CMAKE_CXX_COMPILER_ID ${id}) + SET(CMAKE_CXX_COMPILER_WORKS TRUE) + SET(CMAKE_CXX_COMPILER_FORCED TRUE) + + # Set old compiler id variables. + IF("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") + SET(CMAKE_COMPILER_IS_GNUCXX 1) + ENDIF("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") +ENDMACRO(CMAKE_FORCE_CXX_COMPILER) |