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# - Check if the system has the specified type
# CHECK_FUNCS (FUNCTION1 FUNCTION2 ...)
#
# FUNCTION - the function(s) where the prototype should be declared
#
# The following variables may be set before calling this macro to
# modify the way the check is run:
#
# CMAKE_REQUIRED_FLAGS = string of compile command line flags
# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
# CMAKE_REQUIRED_INCLUDES = list of include directories
# Copyright (c) 2009, Michihiro NAKAJIMA
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
INCLUDE(CheckFunctionExists)
INCLUDE(CheckSymbolExists)
MACRO (CHECK_FUNCS _FUNCS)
FOREACH (_func ${ARGV})
STRING(TOUPPER ${_func} _funcvar)
SET(_funcvar "HAVE_${_funcvar}")
SET(_include "")
IF ("${_funcvar}" MATCHES "^${_funcvar}$")
IF (WIN32 AND "${_func}" MATCHES "^wmemcmp$")
SET(_include "wchar.h")
ENDIF (WIN32 AND "${_func}" MATCHES "^wmemcmp$")
IF (WIN32 AND "${_func}" MATCHES "^wmemcpy$")
SET(_include "wchar.h")
ENDIF (WIN32 AND "${_func}" MATCHES "^wmemcpy$")
IF ("${_include}" STREQUAL "")
SET(CHECK_STUB_FUNC_1 "__stub_${_func}")
SET(CHECK_STUB_FUNC_2 "__stub___${_func}")
CONFIGURE_FILE( ${CMAKE_SOURCE_DIR}/build/cmake/CheckFuncs_stub.c.in
${CMAKE_BINARY_DIR}/cmake.tmp/CheckFuncs_stub.c IMMEDIATE)
TRY_COMPILE(__stub
${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}/cmake.tmp/CheckFuncs_stub.c
COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
CMAKE_FLAGS
-DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_INCLUDE_FILE_FLAGS}
"${CHECK_INCLUDE_FILE_C_INCLUDE_DIRS}")
IF (__stub)
SET("${_funcvar}" "" CACHE INTERNAL "Have function ${_func}")
ELSE (__stub)
CHECK_FUNCTION_EXISTS("${_func}" "${_funcvar}")
ENDIF (__stub)
ELSE ("${_include}" STREQUAL "")
CHECK_SYMBOL_EXISTS("${_func}" "${_include}" "${_funcvar}")
ENDIF ("${_include}" STREQUAL "")
ENDIF ("${_funcvar}" MATCHES "^${_funcvar}$")
ENDFOREACH (_func)
ENDMACRO (CHECK_FUNCS)
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