File: TestGCCVisibility.cmake

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# SPDX-License-Identifier: BSD-3-Clause
# SPDX-FileCopyrightText: 2007-2015  Sven Eckelmann <sven@narfation.org>

include(CheckCCompilerFlag)

# Hide non exported functions/variables
check_c_compiler_flag("-fvisibility=hidden -DHAVE_GCCVISIBILITY" HAVE_GCCVISIBILITY)
if (HAVE_GCCVISIBILITY)
	add_definitions("-fvisibility=hidden -DHAVE_GCCVISIBILITY")
endif (HAVE_GCCVISIBILITY)