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# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
# SPDX-FileCopyrightText: Bradley M. Bell <bradbell@seanet.com>
# SPDX-FileContributor: 2003-22 Bradley M. Bell
# ----------------------------------------------------------------------------
# run_source_test(source variable)
#
# source: (in)
# contains the source for the program that will be run.
#
# variable: (out)
# This variable must not be defined when this macro is called.
# Upon return, the value of this variable is 1 if the program runs and
# returns a zero status. Otherwise its value is 0.
# Note that this is the reverse of the status flag returned by the program.
#
# CMAKE_REQUORED_name (out)
# For name equal to DEFINITIONS, INCLUDES, LIBRARIES, FLAGS, the variable
# CMAKE_REQUIRED_name is set to the empty string.
#
MACRO(run_source_test source variable)
IF( DEFINED ${variable} )
MESSAGE(ERROR
"run_source_test: ${variable} is defined before expected"
)
ENDIF( DEFINED ${variable} )
SET(CMAKE_REQUIRED_DEFINITIONS "" )
SET(CMAKE_REQUIRED_INCLUDES "" )
SET(CMAKE_REQUIRED_LIBRARIES "" )
IF( cppad_cxx_flags )
SET(CMAKE_REQUIRED_FLAGS "${cppad_cxx_flags} ${CMAKE_CXX_FLAGS}" )
ELSE( cppad_cxx_flags )
SET(CMAKE_REQUIRED_FLAGS "" )
ENDIF( cppad_cxx_flags )
CHECK_CXX_SOURCE_RUNS("${source}" ${variable} )
IF( ${variable} )
SET(${variable} 1)
ELSE( ${variable} )
SET(${variable} 0)
ENDIF( ${variable} )
MESSAGE(STATUS "${variable} = ${${variable}}" )
#
SET(CMAKE_REQUIRED_FLAGS "" )
ENDMACRO( run_source_test )
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