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build: do not create WinSDK symlinks when unneeded

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When building on case insensitive filesystems, there is no need to
create the library symlink forest as the paths will be resolved properly
due to the insensitivity.  This avoids a bit of work and spew on
Windows.
This commit is contained in:
Saleem Abdulrasool
2018-11-05 16:14:50 -08:00
parent c044001db9
commit a5d360ba7a
1 changed files with 14 additions and 12 deletions
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26
cmake/modules/SwiftConfigureSDK.cmake
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@@ -277,19 +277,21 @@ macro(configure_sdk_windows name environment architectures)
set(WinSDK${arch}UMDir "$ENV{UniversalCRTSdkDir}/Lib/$ENV{UCRTVersion}/um/${WinSDKArchitecture}")
set(OverlayDirectory "${CMAKE_BINARY_DIR}/winsdk_lib_${arch}_symlinks")
file(MAKE_DIRECTORY ${OverlayDirectory})
if(NOT EXISTS "$ENV{UniversalCRTSdkDir}/Include/$ENV{UCRTVersion}/um/WINDOWS.H")
file(MAKE_DIRECTORY ${OverlayDirectory})
file(GLOB libraries RELATIVE "${WinSDK${arch}UMDir}" "${WinSDK${arch}UMDir}/*")
foreach(library ${libraries})
get_filename_component(name_we "${library}" NAME_WE)
get_filename_component(ext "${library}" EXT)
string(TOLOWER "${ext}" lowercase_ext)
set(lowercase_ext_symlink_name "${name_we}${lowercase_ext}")
if(NOT library STREQUAL lowercase_ext_symlink_name)
execute_process(COMMAND
"${CMAKE_COMMAND}" -E create_symlink "${WinSDK${arch}UMDir}/${library}" "${OverlayDirectory}/${lowercase_ext_symlink_name}")
endif()
endforeach()
file(GLOB libraries RELATIVE "${WinSDK${arch}UMDir}" "${WinSDK${arch}UMDir}/*")
foreach(library ${libraries})
get_filename_component(name_we "${library}" NAME_WE)
get_filename_component(ext "${library}" EXT)
string(TOLOWER "${ext}" lowercase_ext)
set(lowercase_ext_symlink_name "${name_we}${lowercase_ext}")
if(NOT library STREQUAL lowercase_ext_symlink_name)
execute_process(COMMAND
"${CMAKE_COMMAND}" -E create_symlink "${WinSDK${arch}UMDir}/${library}" "${OverlayDirectory}/${lowercase_ext_symlink_name}")
endif()
endforeach()
endif()
endforeach()
# Add this to the list of known SDKs.