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#
# Check if the type exists and determine size of type. if the type
# exists, the size will be stored to the variable.
#
# CHECK_TYPE_SIZE - macro which checks the size of type
# VARIABLE - variable to store size if the type exists.
#
MACRO(CHECK_TYPE_SIZE TYPE VARIABLE)
TRY_RUN(${VARIABLE} HAVE_${VARIABLE}
${PROJECT_BINARY_DIR}
${CMAKE_ROOT}/Modules/CheckSizeOf.c
COMPILE_DEFINITIONS -DCHECK_SIZE_OF="${TYPE}"
OUTPUT_VARIABLE OUTPUT)
IF(NOT HAVE_${VARIABLE})
WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log
"Determining size of ${TYPE} failed with the following output:\n${OUTPUT}\n")
ENDIF(NOT HAVE_${VARIABLE})
ENDMACRO(CHECK_TYPE_SIZE)
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