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authorShoaib Meenai <smeenai@fb.com>2018-10-05 00:08:27 +0000
committerShoaib Meenai <smeenai@fb.com>2018-10-05 00:08:27 +0000
commit7f46b39f865ccb550ce2bef893b95b7cca50032a (patch)
tree2df432bfd8092207e70f19fb7ac21f51649b3edf
parent49d5156384e15a9d98f3d96d0b3eafc170a19d69 (diff)
[cmake] Also create lowercase extension WinSDK symlinks
Some projects rely on using libraries from the Windows SDK with their original casing, just with a lowercase extension. E.g. the WinSock2 lib is named WS2_32.Lib in the Windows SDK, and we would previously only create a ws2_32.lib symlink for it (i.e. all lowercase). Also create a WS2_32.lib symlink (i.e. original casing with lowercase extension) to cover users of this casing. As a drive-by fix, only create these symlinks when they differ from the original name to reduce the amount of noise in the library symlinks directory.
-rw-r--r--llvm/cmake/platforms/WinMsvc.cmake24
1 files changed, 19 insertions, 5 deletions
diff --git a/llvm/cmake/platforms/WinMsvc.cmake b/llvm/cmake/platforms/WinMsvc.cmake
index a736a457872..f625d0e3c05 100644
--- a/llvm/cmake/platforms/WinMsvc.cmake
+++ b/llvm/cmake/platforms/WinMsvc.cmake
@@ -136,11 +136,25 @@ function(generate_winsdk_lib_symlinks winsdk_um_lib_dir output_dir)
execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${output_dir}")
file(GLOB libraries RELATIVE "${winsdk_um_lib_dir}" "${winsdk_um_lib_dir}/*")
foreach(library ${libraries})
- string(TOLOWER "${library}" symlink_name)
- execute_process(COMMAND "${CMAKE_COMMAND}"
- -E create_symlink
- "${winsdk_um_lib_dir}/${library}"
- "${output_dir}/${symlink_name}")
+ string(TOLOWER "${library}" all_lowercase_symlink_name)
+ if(NOT library STREQUAL all_lowercase_symlink_name)
+ execute_process(COMMAND "${CMAKE_COMMAND}"
+ -E create_symlink
+ "${winsdk_um_lib_dir}/${library}"
+ "${output_dir}/${all_lowercase_symlink_name}")
+ endif()
+
+ get_filename_component(name_we "${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 AND
+ NOT all_lowercase_symlink_name STREQUAL lowercase_ext_symlink_name)
+ execute_process(COMMAND "${CMAKE_COMMAND}"
+ -E create_symlink
+ "${winsdk_um_lib_dir}/${library}"
+ "${output_dir}/${lowercase_ext_symlink_name}")
+ endif()
endforeach()
endfunction()