28 lines
1.0 KiB
CMake
28 lines
1.0 KiB
CMake
#
|
|
# 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)
|
|
SET(MACRO_CHECK_TYPE_SIZE_FLAGS -DCHECK_SIZE_OF="${TYPE}")
|
|
IF(HAVE_SYS_TYPES_H)
|
|
SET(MACRO_CHECK_TYPE_SIZE_FLAGS "${MACRO_CHECK_TYPE_SIZE_FLAGS} -DHAVE_SYS_TYPES_H")
|
|
ENDIF(HAVE_SYS_TYPES_H)
|
|
IF(HAVE_STDINT_H)
|
|
SET(MACRO_CHECK_TYPE_SIZE_FLAGS "${MACRO_CHECK_TYPE_SIZE_FLAGS} -DHAVE_STDINT_H")
|
|
ENDIF(HAVE_STDINT_H)
|
|
|
|
TRY_RUN(${VARIABLE} HAVE_${VARIABLE}
|
|
${PROJECT_BINARY_DIR}
|
|
${CMAKE_ROOT}/Modules/CheckSizeOf.c
|
|
CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_TYPE_SIZE_FLAGS}
|
|
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)
|