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