mirror of https://github.com/triqs/dft_tools
117 lines
5.0 KiB
CMake
117 lines
5.0 KiB
CMake
# Copyright (c) 2019-2020 Simons Foundation
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You may obtain a copy of the License at
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# https://www.gnu.org/licenses/gpl-3.0.txt
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# Recursively fetch all targets that the interface of a target depends upon
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macro(get_all_interface_targets name target)
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get_property(TARGET_LINK_LIBRARIES TARGET ${target} PROPERTY INTERFACE_LINK_LIBRARIES)
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foreach(lib IN LISTS TARGET_LINK_LIBRARIES)
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if(TARGET ${lib})
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# Append to list
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list(APPEND ${name}_INTERFACE_TARGETS ${lib})
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# Recure into target dependencies
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get_all_interface_targets(${name} ${lib})
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endif()
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endforeach()
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endmacro()
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# Extract the property from the target and recursively from all targets it depends upon
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macro(get_property_recursive)
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cmake_parse_arguments(get_property_recursive "" "TARGET" "PROPERTY" ${ARGN})
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set(target ${get_property_recursive_TARGET})
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set(property ${get_property_recursive_PROPERTY})
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get_all_interface_targets(${target} ${target})
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foreach(t IN LISTS ${target}_INTERFACE_TARGETS ITEMS ${target})
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get_property(p TARGET ${t} PROPERTY ${property})
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list(APPEND ${ARGV0} ${p})
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endforeach()
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# Clean duplicates and any occurance of '/usr/include' dirs
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if(${ARGV0})
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list(REMOVE_DUPLICATES ${ARGV0})
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list(REMOVE_ITEM ${ARGV0} /usr/include)
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endif()
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endmacro()
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# Recursively fetch all compiler flags attached to the interface of a target
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macro(extract_flags)
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cmake_parse_arguments(ARG "BUILD_INTERFACE" "" "" ${ARGN})
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set(target ${ARGV0})
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unset(${target}_CXXFLAGS)
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unset(${target}_LDFLAGS)
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get_property_recursive(opts TARGET ${target} PROPERTY INTERFACE_COMPILE_OPTIONS)
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foreach(opt ${opts})
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set(${target}_LDFLAGS "${${target}_LDFLAGS} ${opt}")
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set(${target}_CXXFLAGS "${${target}_CXXFLAGS} ${opt}")
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endforeach()
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get_property_recursive(defs TARGET ${target} PROPERTY INTERFACE_COMPILE_DEFINITIONS)
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foreach(def ${defs})
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set(${target}_CXXFLAGS "${${target}_CXXFLAGS} -D${def}")
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endforeach()
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get_property_recursive(inc_dirs TARGET ${target} PROPERTY INTERFACE_INCLUDE_DIRECTORIES)
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get_property_recursive(sys_inc_dirs TARGET ${target} PROPERTY INTERFACE_SYSTEM_INCLUDE_DIRECTORIES)
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if(inc_dirs)
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list(REMOVE_ITEM sys_inc_dirs ${inc_dirs})
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endif()
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foreach(dir ${inc_dirs})
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set(${target}_CXXFLAGS "${${target}_CXXFLAGS} -I${dir}")
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endforeach()
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foreach(dir ${sys_inc_dirs})
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set(${target}_CXXFLAGS "${${target}_CXXFLAGS} -isystem${dir}")
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endforeach()
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get_property_recursive(libs TARGET ${target} PROPERTY INTERFACE_LINK_LIBRARIES)
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foreach(lib ${libs})
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if(NOT TARGET ${lib} AND NOT IS_DIRECTORY ${lib})
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set(${target}_LDFLAGS "${${target}_LDFLAGS} ${lib}")
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endif()
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endforeach()
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# ==== We have to replace generator expressions explicitly ====
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if(ARG_BUILD_INTERFACE)
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string(REGEX REPLACE "\\$<BUILD_INTERFACE:([^ ]*)>" "\\1" ${target}_LDFLAGS "${${target}_LDFLAGS}")
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string(REGEX REPLACE "\\$<BUILD_INTERFACE:([^ ]*)>" "\\1" ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
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else()
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string(REGEX REPLACE "\\$<INSTALL_INTERFACE:([^ ]*)>" "\\1" ${target}_LDFLAGS "${${target}_LDFLAGS}")
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string(REGEX REPLACE "\\$<INSTALL_INTERFACE:([^ ]*)>" "\\1" ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
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endif()
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if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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string(REGEX REPLACE "\\$<\\$<CXX_COMPILER_ID:GNU>:([^ ]*)>" "\\1" ${target}_LDFLAGS "${${target}_LDFLAGS}")
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string(REGEX REPLACE "\\$<\\$<CXX_COMPILER_ID:GNU>:([^ ]*)>" "\\1" ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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string(REGEX REPLACE "\\$<\\$<CXX_COMPILER_ID:Clang>:([^ ]*)>" "\\1" ${target}_LDFLAGS "${${target}_LDFLAGS}")
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string(REGEX REPLACE "\\$<\\$<CXX_COMPILER_ID:Clang>:([^ ]*)>" "\\1" ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
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string(REGEX REPLACE "\\$<\\$<CXX_COMPILER_ID:AppleClang>:([^ ]*)>" "\\1" ${target}_LDFLAGS "${${target}_LDFLAGS}")
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string(REGEX REPLACE "\\$<\\$<CXX_COMPILER_ID:AppleClang>:([^ ]*)>" "\\1" ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
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endif()
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# Remove all remaining generator expressions
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string(REGEX REPLACE " [^ ]*\\$<[^ ]*:[^>]*>" "" ${target}_LDFLAGS "${${target}_LDFLAGS}")
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string(REGEX REPLACE " [^ ]*\\$<[^ ]*:[^>]*>" "" ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
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# Filter out system directories from LDFLAGS and CXXFLAGS
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string(REGEX REPLACE " -L/usr/lib " " " ${target}_LDFLAGS "${${target}_LDFLAGS}")
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string(REGEX REPLACE " -I/usr/include " " " ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
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string(REGEX REPLACE " -isystem/usr/include " " " ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
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endmacro()
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