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# - Figure out what compiler (and version) cmake is generating for
# Once done this will define:
#
# Variable:
# OSG_COMPILER
#
IF(CMAKE_COMPILER_IS_GNUCXX)
EXEC_PROGRAM(
${CMAKE_CXX_COMPILER}
ARGS ${CMAKE_CXX_COMPILER_ARG1} -dumpversion
OUTPUT_VARIABLE gcc_compiler_version
)
#MESSAGE("GCC Version: ${gcc_compiler_version}")
ELSE(CMAKE_COMPILER_IS_GNUCXX)
IF(MSVC)
IF(MSVC60)
SET(OSG_COMPILER "vc60")
ENDIF(MSVC60)
IF(MSVC70)
SET(OSG_COMPILER "vc70")
ENDIF(MSVC70)
IF(MSVC71)
SET(OSG_COMPILER "vc71")
ENDIF(MSVC71)
IF(MSVC80)
SET(OSG_COMPILER "vc80")
ENDIF(MSVC80)
IF(MSVC90)
SET(OSG_COMPILER "vc90")
ENDIF(MSVC90)
IF(MSVC80)
MESSAGE(STATUS "Checking if compiler has service pack 1 installed...")
FILE(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.cxx" "int main() {return 0;}\n")
TRY_COMPILE(_TRY_RESULT
${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.cxx
CMAKE_FLAGS -D CMAKE_VERBOSE_MAKEFILE=ON
OUTPUT_VARIABLE OUTPUT
)
IF(_TRY_RESULT)
# parse for exact compiler version
STRING(REGEX MATCH "Compiler Version [0-9]+.[0-9]+.[0-9]+.[0-9]+" vc_compiler_version "${OUTPUT}")
IF(vc_compiler_version)
#MESSAGE("${vc_compiler_version}")
STRING(REGEX MATCHALL "[0-9]+" CL_VERSION_LIST "${vc_compiler_version}")
LIST(GET CL_VERSION_LIST 0 CL_MAJOR_VERSION)
LIST(GET CL_VERSION_LIST 1 CL_MINOR_VERSION)
LIST(GET CL_VERSION_LIST 2 CL_PATCH_VERSION)
LIST(GET CL_VERSION_LIST 3 CL_EXTRA_VERSION)
ENDIF(vc_compiler_version)
# Standard vc80 is 14.00.50727.42, sp1 14.00.50727.762, sp2?
# Standard vc90 is 9.0.30729.1, sp1 ?
IF(CL_EXTRA_VERSION EQUAL 762)
SET(OSG_COMPILER "vc80sp1")
ELSE(CL_EXTRA_VERSION EQUAL 762)
SET(OSG_COMPILER "vc80")
ENDIF(CL_EXTRA_VERSION EQUAL 762)
# parse for exact visual studio version
#IF(MSVC_IDE)
# string(REGEX MATCH "Visual Studio Version [0-9]+.[0-9]+.[0-9]+.[0-9]+" vs_version "${OUTPUT}")
# IF(vs_version)
# MESSAGE("${vs_version}")
# string(REGEX MATCHALL "[0-9]+" VS_VERSION_LIST "${vs_version}")
# list(GET VS_VERSION_LIST 0 VS_MAJOR_VERSION)
# list(GET VS_VERSION_LIST 1 VS_MINOR_VERSION)
# list(GET VS_VERSION_LIST 2 VS_PATCH_VERSION)
# list(GET VS_VERSION_LIST 3 VS_EXTRA_VERSION)
# ENDIF(vs_version)
#ENDIF(MSVC_IDE)
ENDIF(_TRY_RESULT)
ENDIF(MSVC80)
ENDIF(MSVC)
ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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