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- From 1f68002cb725c6a8fb5ca8425c1c86495a053f4f Mon Sep 17 00:00:00 2001
- From: Michal Gorny <mgorny@gentoo.org>
- Date: Thu, 4 Apr 2019 14:21:38 +0000
- Subject: [PATCH] [llvm] [cmake] Add additional headers only if they exist
- Modify the add_header_files_for_glob() function to only add files
- that do exist, rather than all matches of the glob. This fixes CMake
- error when one of the include directories (which happen to include
- /usr/include) contain broken symlinks.
- Differential Revision: https://reviews.llvm.org/D59632
- llvm-svn: 357701
- ---
- llvm/cmake/modules/LLVMProcessSources.cmake | 10 +++++++++-
- 1 file changed, 9 insertions(+), 1 deletion(-)
- diff --git a/cmake/modules/LLVMProcessSources.cmake b/cmake/modules/LLVMProcessSources.cmake
- index 7cbd2863500..d0be0e8b3ba 100644
- --- a/src/llvm-project/llvm/cmake/modules/LLVMProcessSources.cmake
- +++ b/src/llvm-project/llvm/cmake/modules/LLVMProcessSources.cmake
- @@ -30,7 +30,15 @@ endmacro(add_td_sources)
- function(add_header_files_for_glob hdrs_out glob)
- file(GLOB hds ${glob})
- - set(${hdrs_out} ${hds} PARENT_SCOPE)
- + set(filtered)
- + foreach(file ${hds})
- + # Explicit existence check is necessary to filter dangling symlinks
- + # out. See https://bugs.gentoo.org/674662.
- + if(EXISTS ${file})
- + list(APPEND filtered ${file})
- + endif()
- + endforeach()
- + set(${hdrs_out} ${filtered} PARENT_SCOPE)
- endfunction(add_header_files_for_glob)
- function(find_all_header_files hdrs_out additional_headerdirs)
- --
- 2.21.0
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