From a0c469ac4d42afba6f5c5f285b9d8da26833761b Mon Sep 17 00:00:00 2001
From: Haojian Wu <hokein@google.com>
Date: Mon, 1 Oct 2018 12:16:38 +0000
Subject: [PATCH] Build clang-headers when building clang tools.

Summary:
clang tools require clang headers to work on real project, e.g. when we
build clangd via `ninja clangd`, we expect the binary can run on
real-world project (without running another command `ninja clang-headers`).

Reviewers: sammccall

Reviewed By: sammccall

Subscribers: mgorny, ilya-biryukov, ioeric, kadircet, cfe-commits

Differential Revision: https://reviews.llvm.org/D52714

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@343459 91177308-0d34-0410-b5e6-96231b3b80d8
---
 cmake/modules/AddClang.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmake/modules/AddClang.cmake b/cmake/modules/AddClang.cmake
index c09a8423f9..7e22f16f36 100644
--- a/cmake/modules/AddClang.cmake
+++ b/cmake/modules/AddClang.cmake
@@ -131,6 +131,7 @@ macro(add_clang_tool name)
   endif()
 
   add_clang_executable(${name} ${ARGN})
+  add_dependencies(${name} clang-headers)
 
   if (CLANG_BUILD_TOOLS)
     if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR
-- 
2.40.0