VILLASnode/cmake/FindSymbol.cmake

# CMakeLists.txt.
#
# Author: Steffen Vogel <post@steffenvogel.de>
# SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
# SPDX-License-Identifier: Apache-2.0

function(FindSymbol LIBRARY SYMBOL FOUND)
	find_program(OBJDUMP_EXECUTABLE NAMES objdump)

	execute_process(
		COMMAND /bin/sh -c "${OBJDUMP_EXECUTABLE} -T ${LIBRARY} | grep ${SYMBOL} | wc -l"
		OUTPUT_VARIABLE OUTPUT
	)

	if(OUTPUT GREATER 0)
		set(${FOUND} "${SYMBOL}" PARENT_SCOPE)
	else()
		set(${FOUND} "${SYMBOL}-NOTFOUND" PARENT_SCOPE)
	endif()
endfunction()