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CMakeFlagsHandling.cmake
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#===============================================================================
# @file CMakeFlagsHandling.cmake
#
# @author Nicolas Richart <nicolas.richart@epfl.ch>
#
# @date Tue Oct 16 14:05:02 2012
#
# @brief Set of macros used by akantu to handle the package system
#
# @section LICENSE
#
# Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
# Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
#
# Akantu is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Akantu. If not, see <http://www.gnu.org/licenses/>.
#
#===============================================================================
if(_CMAKE_FLAGS_HANDLING)
return()
endif()
set(_CMAKE_FLAGS_HANDLING TRUE)
#===============================================================================
# Compilation options handling
#===============================================================================
macro(_get_flags_message type desc)
if(${type} MATCHES "C..")
set(${desc} "Flags used by the compiler during all build types.")
elseif(${type} MATCHES "EXE_LINKER")
set(${desc} "Flags used by the linker.")
elseif(${type} MATCHES "SHARED_LINKER")
set(${desc} "Flags used by the linker during the creation of dll's.")
endif()
endmacro()
#===============================================================================
macro(add_flags type flag)
string(TOUPPER ${type} _type)
set(_var CMAKE_${_type}_FLAGS)
_get_flags_message(${_type} _desc)
string(REPLACE "${flag}" "match" _temp_var "${${_var}}")
if(NOT _temp_var MATCHES "match")
set(${_var} "${flag} ${${_var}}" CACHE STRING ${_desc} FORCE)
endif()
endmacro()
#===============================================================================
macro(remove_flags type flag)
string(TOUPPER ${type} _type)
set(_var CMAKE_${_type}_FLAGS)
_get_flags_message(${_type} _desc)
string(REPLACE "${flag} " "" ${_var} "${${_var}}")
set(${_var} "${${_var}}" CACHE STRING ${_desc} FORCE)
endmacro()
#===============================================================================
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