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# - Add flags to compile with profiling support - currently only for GCC
#
# enable_profiling(<targetname>)
# globally_enable_profiling() - to modify CMAKE_CXX_FLAGS, etc
# to change for all targets declared after the command, instead of per-command
#
#
# Original Author:
# 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
if(__enable_profiling)
return()
endif()
set(__enable_profiling YES)
macro(_enable_profiling_flags)
set(_flags)
if(MSVC)
# TODO: what kind of flags are needed to profile on MSVC?
#set(_flags /W4)
elseif(CMAKE_COMPILER_IS_GNUCXX)
set(_flags "-p")
endif()
endmacro()
function(enable_profiling _target)
_enable_profiling_flags()
get_target_property(_origflags ${_target} COMPILE_FLAGS)
if(_origflags)
set_property(TARGET
${_target}
PROPERTY
COMPILE_FLAGS
"${_flags} ${_origflags}")
else()
set_property(TARGET
${_target}
PROPERTY
COMPILE_FLAGS
"${_flags}")
endif()
endfunction()
function(globally_enable_profiling)
_enable_profiling_flags()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_flags}" PARENT_SCOPE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_flags}" PARENT_SCOPE)
endfunction()
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