87 lines
3.5 KiB
CMake
87 lines
3.5 KiB
CMake
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# Manipulate CMAKE_MAP_IMPORTED_CONFIG_ cautiously and reversibly.
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#
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# In all usage docs, <config> is a configuration name in all caps (RELEASE, DEBUG,
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# RELWITHDEBINFO, MINSIZEREL, and NONE are the ones made by default - NONE is how
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# targets are exported from single-config generators where CMAKE_BUILD_TYPE isn't set.)
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#
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# stash_map_config(<config> <new list of configs for map imported>) and unstash_map_config(<config>)
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#
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# Saves+changes and restores the value (or unset-ness) of CMAKE_MAP_IMPORTED_CONFIG_${config}.
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# Re-entrant calls OK - this does actually "push" and "pop"
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#
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# stash_common_map_config() and unstash_common_map_config()
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#
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# Calls stash_map_config/unstash_map_config for each configuration with sensible
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# defaults based on the platform.
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#
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# Original Author:
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# 2015, 2017 Ryan Pavlik <ryan@sensics.com> <abiryan@ryand.net>
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# http://ryanpavlik.com
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#
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# Copyright Sensics, Inc. 2015, 2017.
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE_1_0.txt or copy at
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# http://www.boost.org/LICENSE_1_0.txt)
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macro(stash_map_config config)
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string(TOUPPER "${config}" smc_config)
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string(TOUPPER "${ARGN}" smc_new)
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# Re-entrancy protection - push an entry onto a list
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list(APPEND smc_IN_MAP_CONFIG_STASH_${smc_config} yes)
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list(LENGTH smc_IN_MAP_CONFIG_STASH_${smc_config} smc_IN_MAP_CONFIG_STASH_LEN)
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# Actually perform the saving and replacement of CMAKE_MAP_IMPORTED_CONFIG_${config}
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set(smc_var smc_OLD_CMAKE_MAP_IMPORTED_CONFIG_${smc_config}_${smc_IN_MAP_CONFIG_STASH_LEN})
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message(STATUS "Stashing to ${smc_var}")
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if(DEFINED CMAKE_MAP_IMPORTED_CONFIG_${smc_config})
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set(${smc_var} ${CMAKE_MAP_IMPORTED_CONFIG_${smc_config}})
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else()
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unset(${smc_var})
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endif()
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set(CMAKE_MAP_IMPORTED_CONFIG_${smc_config} ${smc_new})
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endmacro()
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macro(unstash_map_config config)
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string(TOUPPER "${config}" smc_config)
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if(NOT DEFINED smc_IN_MAP_CONFIG_STASH_${smc_config})
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# Nobody actually called the matching stash...
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return()
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endif()
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# Get stack size so we know which entries to restore.
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list(LENGTH smc_IN_MAP_CONFIG_STASH_${smc_config} smc_IN_MAP_CONFIG_STASH_LEN)
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# Other half of re-entrancy protection - pop an entry off a list
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list(REMOVE_AT smc_IN_MAP_CONFIG_STASH_${smc_config} -1)
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# Restoration of CMAKE_MAP_IMPORTED_CONFIG_${config}
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set(smc_var smc_OLD_CMAKE_MAP_IMPORTED_CONFIG_${smc_config}_${smc_IN_MAP_CONFIG_STASH_LEN})
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if(DEFINED ${smc_var})
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set(CMAKE_MAP_IMPORTED_CONFIG_${smc_config} ${${smc_var}})
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unset(${smc_var})
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else()
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unset(CMAKE_MAP_IMPORTED_CONFIG_${smc_config})
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endif()
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endmacro()
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macro(stash_common_map_config)
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if(MSVC)
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# Can't do this - different runtimes, incompatible ABI, etc.
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set(smc_DEBUG_FALLBACK)
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stash_map_config(DEBUG DEBUG)
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else()
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set(smc_DEBUG_FALLBACK DEBUG)
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stash_map_config(DEBUG DEBUG RELWITHDEBINFO RELEASE MINSIZEREL NONE)
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endif()
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stash_map_config(RELEASE RELEASE RELWITHDEBINFO MINSIZEREL NONE ${smc_DEBUG_FALLBACK})
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stash_map_config(RELWITHDEBINFO RELWITHDEBINFO RELEASE MINSIZEREL NONE ${smc_DEBUG_FALLBACK})
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stash_map_config(MINSIZEREL MINSIZEREL RELEASE RELWITHDEBINFO NONE ${smc_DEBUG_FALLBACK})
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stash_map_config(NONE NONE RELEASE RELWITHDEBINFO MINSIZEREL ${smc_DEBUG_FALLBACK})
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endmacro()
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macro(unstash_common_map_config)
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unstash_map_config(DEBUG)
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unstash_map_config(RELEASE)
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unstash_map_config(RELWITHDEBINFO)
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unstash_map_config(MINSIZEREL)
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unstash_map_config(NONE)
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endmacro()
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