ENH: remove support for presetting CMAKE_SYSTEM_INFO_FILE,
CMAKE_SYSTEM_AND_C_COMPILER_INFO_FILE, CMAKE_SYSTEM_AND_CXX_COMPILER_INFO_FILE, CMAKE_SYSTEM_AND_C_COMPILER_AND_PROCESSOR_INFO_FILE and CMAKE_SYSTEM_AND_CXX_COMPILER_AND_PROCESSOR_INFO_FILE Instead of presetting these variables to arbitrary filenames, users should set up CMAKE_SYSTEM_NAME and the compilers correctly and also create a Platform/ directory so these files will all follow the official cmake style, which should make it easier to understand and debug project which have their own platform/toolchain support files. -remove support for a suffix to MS crosscompilers, since this is not (yet) supported by cmake and might confuse users Alex
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3c1c335800
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930bb0cd37
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@ -19,30 +19,24 @@ IF(CMAKE_COMPILER_IS_GNUCC)
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ENDIF(CMAKE_COMPILER_IS_GNUCC)
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IF(CMAKE_SYSTEM_AND_C_COMPILER_AND_PROCESSOR_INFO_FILE)
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INCLUDE(${CMAKE_SYSTEM_AND_C_COMPILER_AND_PROCESSOR_INFO_FILE} OPTIONAL)
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ELSE(CMAKE_SYSTEM_AND_C_COMPILER_AND_PROCESSOR_INFO_FILE)
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IF(CMAKE_SYSTEM_PROCESSOR)
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IF(CMAKE_C_COMPILER_ID)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_C_COMPILER_ID}-C-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
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ENDIF(CMAKE_C_COMPILER_ID)
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IF (NOT _INCLUDED_FILE)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME}-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL)
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ENDIF (NOT _INCLUDED_FILE)
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ENDIF(CMAKE_SYSTEM_PROCESSOR)
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ENDIF(CMAKE_SYSTEM_AND_C_COMPILER_AND_PROCESSOR_INFO_FILE)
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IF(CMAKE_SYSTEM_AND_C_COMPILER_INFO_FILE)
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INCLUDE(${CMAKE_SYSTEM_AND_C_COMPILER_INFO_FILE} OPTIONAL)
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ELSE(CMAKE_SYSTEM_AND_C_COMPILER_INFO_FILE)
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# load a hardware specific file, mostly useful for embedded compilers
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IF(CMAKE_SYSTEM_PROCESSOR)
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IF(CMAKE_C_COMPILER_ID)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_C_COMPILER_ID}-C OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_C_COMPILER_ID}-C-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
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ENDIF(CMAKE_C_COMPILER_ID)
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IF (NOT _INCLUDED_FILE)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME} OPTIONAL)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME}-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL)
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ENDIF (NOT _INCLUDED_FILE)
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ENDIF(CMAKE_SYSTEM_AND_C_COMPILER_INFO_FILE)
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ENDIF(CMAKE_SYSTEM_PROCESSOR)
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# load the system- and compiler specific files
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IF(CMAKE_C_COMPILER_ID)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_C_COMPILER_ID}-C OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
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ENDIF(CMAKE_C_COMPILER_ID)
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IF (NOT _INCLUDED_FILE)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME} OPTIONAL)
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ENDIF (NOT _INCLUDED_FILE)
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# This should be included before the _INIT variables are
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@ -21,30 +21,23 @@ IF(CMAKE_COMPILER_IS_GNUCXX)
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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IF(CMAKE_SYSTEM_AND_CXX_COMPILER_AND_PROCESSOR_INFO_FILE)
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INCLUDE(${CMAKE_SYSTEM_AND_CXX_COMPILER_AND_PROCESSOR_INFO_FILE} OPTIONAL)
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ELSE(CMAKE_SYSTEM_AND_CXX_COMPILER_AND_PROCESSOR_INFO_FILE)
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IF(CMAKE_SYSTEM_PROCESSOR)
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IF(CMAKE_CXX_COMPILER_ID)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_CXX_COMPILER_ID}-CXX-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
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ENDIF(CMAKE_CXX_COMPILER_ID)
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IF (NOT _INCLUDED_FILE)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME}-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL)
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ENDIF (NOT _INCLUDED_FILE)
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ENDIF(CMAKE_SYSTEM_PROCESSOR)
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ENDIF(CMAKE_SYSTEM_AND_CXX_COMPILER_AND_PROCESSOR_INFO_FILE)
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IF(CMAKE_SYSTEM_AND_CXX_COMPILER_INFO_FILE)
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INCLUDE(${CMAKE_SYSTEM_AND_CXX_COMPILER_INFO_FILE} OPTIONAL)
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ELSE(CMAKE_SYSTEM_AND_CXX_COMPILER_INFO_FILE)
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# load a hardware specific file, mostly useful for embedded compilers
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IF(CMAKE_SYSTEM_PROCESSOR)
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IF(CMAKE_CXX_COMPILER_ID)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_CXX_COMPILER_ID}-CXX OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_CXX_COMPILER_ID}-CXX-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
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ENDIF(CMAKE_CXX_COMPILER_ID)
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IF (NOT _INCLUDED_FILE)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME} OPTIONAL)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME}-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL)
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ENDIF (NOT _INCLUDED_FILE)
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ENDIF(CMAKE_SYSTEM_AND_CXX_COMPILER_INFO_FILE)
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ENDIF(CMAKE_SYSTEM_PROCESSOR)
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# load the system- and compiler specific files
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IF(CMAKE_CXX_COMPILER_ID)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_CXX_COMPILER_ID}-CXX OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
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ENDIF(CMAKE_CXX_COMPILER_ID)
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IF (NOT _INCLUDED_FILE)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME} OPTIONAL)
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ENDIF (NOT _INCLUDED_FILE)
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# This should be included before the _INIT variables are
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@ -8,10 +8,6 @@
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# If the internal cmake variable _CMAKE_TOOLCHAIN_PREFIX is set, this is used
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# as prefix for the tools (e.g. arm-elf-gcc, arm-elf-ar etc.). This works
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# currently with the GNU crosscompilers.
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# It also tries to detect a MS crosscompiler and find out its
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# suffix (clarm.exe), which will be stored in _CMAKE_TOOLCHAIN_SUFFIX and
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# reused for the CXX compiler.
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#
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#
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# Sets the following variables:
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# CMAKE_C_COMPILER
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@ -21,7 +17,6 @@
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#
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# If not already set before, it also sets
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# _CMAKE_TOOLCHAIN_PREFIX
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# _CMAKE_TOOLCHAIN_SUFFIX
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IF(NOT CMAKE_C_COMPILER)
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SET(CMAKE_CXX_COMPILER_INIT NOTFOUND)
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@ -48,7 +43,7 @@ IF(NOT CMAKE_C_COMPILER)
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IF(CMAKE_C_COMPILER_INIT)
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SET(CMAKE_C_COMPILER_LIST ${CMAKE_C_COMPILER_INIT})
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ELSE(CMAKE_C_COMPILER_INIT)
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SET(CMAKE_C_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}gcc ${_CMAKE_TOOLCHAIN_PREFIX}cc cl${_CMAKE_TOOLCHAIN_SUFFIX} bcc xlc)
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SET(CMAKE_C_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}gcc ${_CMAKE_TOOLCHAIN_PREFIX}cc cl bcc xlc)
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ENDIF(CMAKE_C_COMPILER_INIT)
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# Find the compiler.
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@ -95,15 +90,6 @@ IF (NOT _CMAKE_TOOLCHAIN_PREFIX)
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ENDIF (COMPILER_BASENAME MATCHES "^(.+-)g?cc")
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ENDIF (NOT _CMAKE_TOOLCHAIN_PREFIX)
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# if we have a MS cross compiler, it usually has a suffix, like
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# e.g. clarm.exe or clmips.exe. Use this suffix for the CXX compiler too.
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# the same is true e.g. for the IAR cross compiler, which is "icc<suffix>"
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IF (NOT _CMAKE_TOOLCHAIN_SUFFIX)
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GET_FILENAME_COMPONENT(COMPILER_BASENAME "${CMAKE_C_COMPILER}" NAME)
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IF (COMPILER_BASENAME MATCHES "^cl(.+)\\.exe$")
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STRING(REGEX REPLACE "^cl(.+)\\.exe$" "\\1" _CMAKE_TOOLCHAIN_SUFFIX "${COMPILER_BASENAME}")
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ENDIF (COMPILER_BASENAME MATCHES "^cl(.+)\\.exe$")
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ENDIF (NOT _CMAKE_TOOLCHAIN_SUFFIX)
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# Build a small source file to identify the compiler.
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IF(${CMAKE_GENERATOR} MATCHES "Visual Studio")
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@ -7,9 +7,6 @@
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# as a default compiler
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# If the internal cmake variable _CMAKE_TOOLCHAIN_PREFIX is set, this is used
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# as prefix for the tools (e.g. arm-elf-g++, arm-elf-ar etc.)
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# It also tries to detect a MS crosscompiler and find out its
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# suffix (clarm.exe), which will be stored in _CMAKE_TOOLCHAIN_SUFFIX and
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# reused for the C compiler.
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#
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# Sets the following variables:
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# CMAKE_CXX_COMPILER
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@ -19,7 +16,6 @@
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#
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# If not already set before, it also sets
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# _CMAKE_TOOLCHAIN_PREFIX
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# _CMAKE_TOOLCHAIN_SUFFIX
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IF(NOT CMAKE_CXX_COMPILER)
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SET(CMAKE_CXX_COMPILER_INIT NOTFOUND)
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@ -46,7 +42,7 @@ IF(NOT CMAKE_CXX_COMPILER)
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IF(CMAKE_CXX_COMPILER_INIT)
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SET(CMAKE_CXX_COMPILER_LIST ${CMAKE_CXX_COMPILER_INIT})
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ELSE(CMAKE_CXX_COMPILER_INIT)
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SET(CMAKE_CXX_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}c++ ${_CMAKE_TOOLCHAIN_PREFIX}g++ CC aCC cl${_CMAKE_TOOLCHAIN_SUFFIX} bcc xlC)
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SET(CMAKE_CXX_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}c++ ${_CMAKE_TOOLCHAIN_PREFIX}g++ CC aCC cl bcc xlC)
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ENDIF(CMAKE_CXX_COMPILER_INIT)
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# Find the compiler.
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@ -93,16 +89,6 @@ IF (NOT _CMAKE_TOOLCHAIN_PREFIX)
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ENDIF (COMPILER_BASENAME MATCHES "^(.+-)[gc]\\+\\+")
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ENDIF (NOT _CMAKE_TOOLCHAIN_PREFIX)
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# if we have a MS cross compiler, it usually has a suffix, like
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# e.g. clarm.exe or clmips.exe. Use this suffix for the CXX compiler too.
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IF (NOT _CMAKE_TOOLCHAIN_SUFFIX)
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GET_FILENAME_COMPONENT(COMPILER_BASENAME "${CMAKE_CXX_COMPILER}" NAME)
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IF (COMPILER_BASENAME MATCHES "^cl(.+)\\.exe$")
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STRING(REGEX REPLACE "^cl(.+)\\.exe$" "\\1" _CMAKE_TOOLCHAIN_SUFFIX "${COMPILER_BASENAME}")
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ENDIF (COMPILER_BASENAME MATCHES "^cl(.+)\\.exe$")
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ENDIF (NOT _CMAKE_TOOLCHAIN_SUFFIX)
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# This block was used before the compiler was identified by building a
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# source file. Unless g++ crashes when building a small C++
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# executable this should no longer be needed.
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@ -7,9 +7,7 @@
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INCLUDE(CMakeGenericSystem)
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# 2. now include SystemName.cmake file to set the system specific information
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IF(NOT CMAKE_SYSTEM_INFO_FILE)
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SET(CMAKE_SYSTEM_INFO_FILE Platform/${CMAKE_SYSTEM_NAME})
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ENDIF(NOT CMAKE_SYSTEM_INFO_FILE)
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SET(CMAKE_SYSTEM_INFO_FILE Platform/${CMAKE_SYSTEM_NAME})
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INCLUDE(${CMAKE_SYSTEM_INFO_FILE} OPTIONAL RESULT_VARIABLE _INCLUDED_SYSTEM_INFO_FILE)
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@ -4,5 +4,5 @@ set(CMAKE_SYSTEM_VERSION "1.0")
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set(CMAKE_C_COMPILER /opt/foo/bin/arm-elf-gcc)
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set(CMAKE_C_OUTPUT_EXTENSION ".foo")
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set(CMAKE_CXX_COMPILER /opt/bar/bin/clarm.exe)
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set(CMAKE_CXX_COMPILER /opt/bar/bin/cl.exe)
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set(CMAKE_CXX_OUTPUT_EXTENSION ".bar")
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@ -121,10 +121,6 @@ endif(NOT "${CMAKE_C_OUTPUT_EXTENSION}" STREQUAL ".foo")
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# check the results from DetermineCXXCompiler
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if(NOT "${_CMAKE_TOOLCHAIN_SUFFIX}" STREQUAL "arm")
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message(FATAL_ERROR "wrong toolchain suffix detected: \"${_CMAKE_TOOLCHAIN_SUFFIX}\", expected: \"arm\"")
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endif(NOT "${_CMAKE_TOOLCHAIN_SUFFIX}" STREQUAL "arm")
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if(NOT "${_CMAKE_USER_CXX_COMPILER_PATH}" STREQUAL "/opt/bar/bin")
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message(FATAL_ERROR "wrong CXX compiler location detected: \"${_CMAKE_USER_CXX_COMPILER_PATH}\", expected: \"/opt/bar/bin\"")
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endif(NOT "${_CMAKE_USER_CXX_COMPILER_PATH}" STREQUAL "/opt/bar/bin")
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@ -134,7 +130,6 @@ if(NOT "${CMAKE_CXX_OUTPUT_EXTENSION}" STREQUAL ".bar")
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endif(NOT "${CMAKE_CXX_OUTPUT_EXTENSION}" STREQUAL ".bar")
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message(STATUS "CMAKE_SYSTEM: \"${CMAKE_SYSTEM}\"")
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message(STATUS "_CMAKE_TOOLCHAIN_SUFFIX: \"${_CMAKE_TOOLCHAIN_SUFFIX}\"")
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message(STATUS "_CMAKE_TOOLCHAIN_PREFIX: \"${_CMAKE_TOOLCHAIN_PREFIX}\"")
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message(STATUS "_CMAKE_USER_C_COMPILER_PATH: \"${_CMAKE_USER_C_COMPILER_PATH}\"")
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message(STATUS "_CMAKE_USER_CXX_COMPILER_PATH: \"${_CMAKE_USER_CXX_COMPILER_PATH}\"")
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