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# - Try to find GDB
#
# Once done, this will define:
# GDB_FOUND - system has GDB
# GDB_COMMAND - the command to run
# GDB_VERSION - version
# GDB_HAS_RETURN_CHILD_RESULT - if the --return-child-result flag is supported
#
# Useful configuration variables you might want to add to your cache:
# GDB_ROOT_DIR - A directory prefix to search
#
# Original Author:
# 2009-2010 Rylie Pavlik <rylie@ryliepavlik.com>
# https://ryliepavlik.com/
# Iowa State University HCI Graduate Program/VRAC
#
# Copyright 2009-2010, Iowa State University
#
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
#
# SPDX-License-Identifier: BSL-1.0
set(GDB_ROOT_DIR
"${GDB_ROOT_DIR}"
CACHE
PATH
"Directory to start our search in")
find_program(GDB_COMMAND
NAMES
gdb
HINTS
"${GDB_ROOT_DIR}"
PATH_SUFFIXES
bin
libexec)
if(GDB_COMMAND)
execute_process(COMMAND
gdb
--version
COMMAND
head
-n
1
OUTPUT_VARIABLE
GDB_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REGEX
REPLACE
"[^0-9]*([0-9]+[0-9.]*).*"
"\\1"
GDB_VERSION
"${GDB_VERSION}")
endif()
# handle the QUIETLY and REQUIRED arguments and set xxx_FOUND to TRUE if
# all listed variables are TRUE
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GDB
DEFAULT_MSG
GDB_COMMAND
GDB_VERSION)
if(GDB_FOUND)
mark_as_advanced(GDB_ROOT_DIR)
if(GDB_VERSION VERSION_LESS 6.4)
set(GDB_HAS_RETURN_CHILD_RESULT FALSE)
else()
set(GDB_HAS_RETURN_CHILD_RESULT TRUE)
endif()
endif()
mark_as_advanced(GDB_COMMAND)
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