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# - Try to find libunwind
# Once done this will define
#
# LIBUNWIND_FOUND - system has libunwind
# LIBUNWIND_INCLUDE_DIR - the libunwind include directory
# LIBUNWIND_LIBRARIES - Link these to use libunwind
# LIBUNWIND_DEFINITIONS - Compiler switches required for using libunwind
# Copyright (c) 2006, Alexander Dymo, <adymo@kdevelop.org>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
find_path(LIBUNWIND_INCLUDE_DIR libunwind.h
/usr/include
/usr/local/include
)
find_library(LIBUNWIND_LIBRARIES NAMES unwind )
if(NOT LIBUNWIND_LIBRARIES STREQUAL "LIBUNWIND_LIBRARIES-NOTFOUND")
if (CMAKE_COMPILER_IS_GNUCC)
set(LIBUNWIND_LIBRARIES "gcc_eh;${LIBUNWIND_LIBRARIES}")
endif()
endif()
# some versions of libunwind need liblzma, and we don't use pkg-config
# so we just look whether liblzma is installed, and add it if it is.
# It might not be actually needed, but doesn't hurt if it is not.
# We don't need any headers, just the lib, as it's privately needed.
message(STATUS "looking for liblzma")
find_library(LIBLZMA_LIBRARIES lzma )
if(NOT LIBLZMA_LIBRARIES STREQUAL "LIBLZMA_LIBRARIES-NOTFOUND")
message(STATUS "liblzma found")
set(LIBUNWIND_LIBRARIES "${LIBUNWIND_LIBRARIES};${LIBLZMA_LIBRARIES}")
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Libunwind "Could not find libunwind" LIBUNWIND_INCLUDE_DIR LIBUNWIND_LIBRARIES)
# show the LIBUNWIND_INCLUDE_DIR and LIBUNWIND_LIBRARIES variables only in the advanced view
mark_as_advanced(LIBUNWIND_INCLUDE_DIR LIBUNWIND_LIBRARIES )