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# determine the compiler and version
# this code is more or less lifted from FindBoost
#-------------------------------------------------------------------------------
#
# Runs compiler with "-dumpversion" and parses major/minor
# version with a regex.
#
FUNCTION(_My_COMPILER_DUMPVERSION _OUTPUT_VERSION)
execute_process(COMMAND ${CMAKE_CXX_COMPILER}
${CMAKE_CXX_COMPILER_ARG1} -dumpversion
OUTPUT_VARIABLE _my_COMPILER_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE
)
set( COMPILER_VERSION ${_my_COMPILER_VERSION} PARENT_SCOPE)
STRING(REGEX REPLACE "([0-9])\\.([0-9])(\\.[0-9])?" "\\1\\2"
_my_COMPILER_VERSION ${_my_COMPILER_VERSION})
SET(${_OUTPUT_VERSION} ${_my_COMPILER_VERSION} PARENT_SCOPE)
ENDFUNCTION()
#
# End functions/macros
#
#-------------------------------------------------------------------------------
macro( clhep_package_compiler )
if (My_COMPILER)
SET (CPack_COMPILER_STRING ${My_COMPILER})
message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
"using user-specified My_COMPILER = ${CPack_COMPILER_STRING}")
else(My_COMPILER)
# Attempt to guess the compiler suffix
# NOTE: this is not perfect yet, if you experience any issues
# please report them and use the My_COMPILER variable
# to work around the problems.
if (MSVC90)
SET (CPack_COMPILER_STRING "-vc90")
elseif (MSVC80)
SET (CPack_COMPILER_STRING "-vc80")
elseif (MSVC71)
SET (CPack_COMPILER_STRING "-vc71")
elseif (MSVC70) # Good luck!
SET (CPack_COMPILER_STRING "-vc7") # yes, this is correct
elseif (MSVC60) # Good luck!
SET (CPack_COMPILER_STRING "-vc6") # yes, this is correct
elseif (BORLAND)
SET (CPack_COMPILER_STRING "-bcb")
elseif("${CMAKE_CXX_COMPILER}" MATCHES "icl"
OR "${CMAKE_CXX_COMPILER}" MATCHES "icpc")
if(WIN32)
set (CPack_COMPILER_STRING "-iw")
else()
set (CPack_COMPILER_STRING "-il")
endif()
elseif (MINGW)
_My_COMPILER_DUMPVERSION(CPack_COMPILER_STRING_VERSION)
SET (CPack_COMPILER_STRING "-mgw${CPack_COMPILER_STRING_VERSION}")
elseif (UNIX)
if (CMAKE_COMPILER_IS_GNUCXX)
_My_COMPILER_DUMPVERSION(CPack_COMPILER_STRING_VERSION)
# Determine which version of GCC we have.
if(APPLE)
SET (CPack_COMPILER_STRING "-gcc${CPack_COMPILER_STRING_VERSION}")
else()
SET (CPack_COMPILER_STRING "-gcc${CPack_COMPILER_STRING_VERSION}")
endif()
endif (CMAKE_COMPILER_IS_GNUCXX)
endif()
#message(STATUS "Package compiler ${CPack_COMPILER_STRING}")
endif(My_COMPILER)
endmacro( clhep_package_compiler )
macro( clhep_package_compiler_status )
clhep_package_compiler()
message(STATUS " ")
message(STATUS "C++ compiler: ${CMAKE_CXX_COMPILER}")
message(STATUS "Compiler version: ${COMPILER_VERSION}")
message(STATUS "Compiler string for cpack: ${CPack_COMPILER_STRING}")
message(STATUS " ")
endmacro( clhep_package_compiler_status )
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