From 687a64222b4c87c825258d4dfeb1f0794e8cb300 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Tue, 11 Jun 2019 18:16:27 +0000
Subject: Vendor import of llvm release_80 branch r363030:
 https://llvm.org/svn/llvm-project/llvm/branches/release_80@363030

---
 cmake/modules/AddLLVM.cmake            |  1 +
 cmake/modules/LLVMProcessSources.cmake | 10 +++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

(limited to 'cmake/modules')

diff --git a/cmake/modules/AddLLVM.cmake b/cmake/modules/AddLLVM.cmake
index 0df6845aaa71d..1a417447278b8 100755
--- a/cmake/modules/AddLLVM.cmake
+++ b/cmake/modules/AddLLVM.cmake
@@ -855,6 +855,7 @@ if(NOT LLVM_TOOLCHAIN_TOOLS)
     llvm-lib
     llvm-objdump
     llvm-rc
+    llvm-profdata
     )
 endif()
 
diff --git a/cmake/modules/LLVMProcessSources.cmake b/cmake/modules/LLVMProcessSources.cmake
index 7cbd2863500cf..d0be0e8b3ba3d 100644
--- a/cmake/modules/LLVMProcessSources.cmake
+++ b/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)
-- 
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