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#
# Copyright (c) 2010 High Performance Computing Center Stuttgart,
# University of Stuttgart. All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# this file contains
# 1. several wrappers for CMake macros, so that they will
# do the job and write the configure temeplate file too.
# 2. a macro that checks the data types
# check include file
MACRO(OMPI_CHECK_INCLUDE_FILE FILE_NAME VAR_NAME)
CHECK_INCLUDE_FILE(${FILE_NAME} ${VAR_NAME})
OMPI_DEF_VAR(${VAR_NAME} "Define to 1 if you have <${FILE_NAME}> header file." 0 0)
ENDMACRO(OMPI_CHECK_INCLUDE_FILE FILE_NAME VAR_NAME)
# check if function exists
MACRO(OMPI_CHECK_FUNCTION_EXISTS FUNCTION_NAME VAR_NAME)
CHECK_FUNCTION_EXISTS(${FUNCTION_NAME} ${VAR_NAME})
OMPI_DEF_VAR(${VAR_NAME} "Define to 1 if you have the `${FUNCTION_NAME}' function." 0 0)
ENDMACRO(OMPI_CHECK_FUNCTION_EXISTS FUNCTION_NAME VAR_NAME)
# check if symbol exists
MACRO(OMPI_CHECK_SYMBOL_EXISTS SYMBOL_NAME FILE_NAMES VAR_NAME)
CHECK_SYMBOL_EXISTS(${SYMBOL_NAME} "${FILE_NAMES}" ${VAR_NAME})
OMPI_DEF_VAR(${VAR_NAME} "Define to 1 if you have the `${SYMBOL_NAME}' function." 0 0)
ENDMACRO(OMPI_CHECK_SYMBOL_EXISTS SYMBOL_NAME FILE_NAMES VAR_NAME)
# check if structure has member
MACRO(OMPI_CHECK_STRUCT_HAS_MEMBER STRUC_NAME MEMBER_NAME FILE_NAMES VAR_NAME)
CHECK_SYMBOL_EXISTS(${STRUC_NAME} ${MEMBER_NAME} "${FILE_NAMES}" ${VAR_NAME})
OMPI_DEF_VAR(${VAR_NAME} "Define to 1 if `${MEMBER_NAME}' is member of ${STRUC_NAME}." 0 0)
ENDMACRO(OMPI_CHECK_STRUCT_HAS_MEMBER STRUC_NAME MEMBER_NAME FILE_NAMES VAR_NAME)
# check type size and alignment
MACRO(OMPI_CHECK_TYPES TYPE_NAME VAR_NAME DEFAULT_TYPE LAN)
CHECK_TYPE_SIZE(${TYPE_NAME} ${VAR_NAME})
IF(NOT ${VAR_NAME}_CHECK_DONE)
IF (HAVE_${VAR_NAME})
SET(SIZEOF_${VAR_NAME} ${${VAR_NAME}} CACHE INTERNAL "Size of `${TYPE_NAME}'")
C_GET_ALIGNMENT(${TYPE_NAME} ${LAN} ${VAR_NAME})
ELSE(HAVE_${VAR_NAME})
IF(NOT ${DEFAULT_TYPE} STREQUAL "" AND NOT ${DEFAULT_TYPE} STREQUAL "none")
#Get the variable name of the default type size.
STRING(TOUPPER "${DEFAULT_TYPE}" DEFAULT_TYPE_VAR)
STRING(REPLACE " " "_" DEFAULT_TYPE_VAR ${DEFAULT_TYPE_VAR})
IF(${SIZEOF_${DEFAULT_TYPE_VAR}} GREATER 0)
MESSAGE(STATUS "Define it as '${DEFAULT_TYPE}'.")
SET(${TYPE_NAME} ${DEFAULT_TYPE} CACHE INTERNAL "System support type for `${TYPE_NAME}'")
SET(SIZEOF_${VAR_NAME} ${SIZEOF_${DEFAULT_TYPE_VAR}} CACHE INTERNAL "Size of `${TYPE_NAME}'")
SET(OPAL_ALIGNMENT_${VAR_NAME} ${OPAL_ALIGNMENT_${DEFAULT_TYPE_VAR}})
ENDIF(${SIZEOF_${DEFAULT_TYPE_VAR}} GREATER 0)
ENDIF(NOT ${DEFAULT_TYPE} STREQUAL "" AND NOT ${DEFAULT_TYPE} STREQUAL "none")
ENDIF (HAVE_${VAR_NAME})
SET(${VAR_NAME}_CHECK_DONE 1 CACHE INTERNAL "check for `${VAR_NAME}' is done.")
ENDIF(NOT ${VAR_NAME}_CHECK_DONE)
IF(NOT ${DEFAULT_TYPE} STREQUAL "" AND NOT ${DEFAULT_TYPE} STREQUAL "none")
OMPI_DEF_VAR(${TYPE_NAME} "Define to `${DEFAULT_TYPE}' if system types does not define." 0 0)
ENDIF(NOT ${DEFAULT_TYPE} STREQUAL "" AND NOT ${DEFAULT_TYPE} STREQUAL "none")
#CMake automatically sets the HAVE_type to TURE or FALSE,
#but we need a number.
IF(HAVE_${VAR_NAME})
SET(HAVE_${VAR_NAME} 1)
ENDIF(HAVE_${VAR_NAME})
OMPI_DEF_VAR(SIZEOF_${VAR_NAME} "The size of `${TYPE_NAME}'" 0 0)
OMPI_DEF_VAR(HAVE_${VAR_NAME} "Define to 1 if the system has the type `${TYPE_NAME}'" 0 0)
OMPI_DEF_VAR(OPAL_ALIGNMENT_${VAR_NAME} "Alignment of type `${TYPE_NAME}'." 0 0)
ENDMACRO(OMPI_CHECK_TYPES TYPE VAR_NAME DEFAULT_TYPE LAN)
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