From b51439594a3ec4db3155a129b0ec353d019bdd27 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Mon, 26 Aug 2013 14:43:19 +0000
Subject: CMake Xcode builds: symlink tblgen targets out to bin/.

Xcode always puts executable targets in the directory
bin/<Config>. When building separate LLVM and Clang projects for
Xcode, this prevents the CMake-configured project for Clang from
finding llvm-tblgen. Add a symlink so that tblgen executables are
always available in bin/ (regardless of the configuration LLVM is
built with).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189220 91177308-0d34-0410-b5e6-96231b3b80d8
---
 cmake/modules/TableGen.cmake | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'cmake')

diff --git a/cmake/modules/TableGen.cmake b/cmake/modules/TableGen.cmake
index 13a75689d3..d315a427c0 100644
--- a/cmake/modules/TableGen.cmake
+++ b/cmake/modules/TableGen.cmake
@@ -85,6 +85,16 @@ macro(add_tablegen target project)
   add_llvm_utility(${target} ${ARGN})
   set(LLVM_LINK_COMPONENTS ${${target}_OLD_LLVM_LINK_COMPONENTS})
 
+  # For Xcode builds, symlink bin/<target> to bin/<Config>/<target> so that
+  # a separately-configured Clang project can still find llvm-tblgen.
+  if (XCODE)
+    add_custom_target(${target}-top ALL
+      ${CMAKE_COMMAND} -E create_symlink 
+        ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${CMAKE_CFG_INTDIR}/${target}${CMAKE_EXECUTABLE_SUFFIX}
+        ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${target}${CMAKE_EXECUTABLE_SUFFIX}
+      DEPENDS ${target})
+  endif ()
+
   set(${project}_TABLEGEN "${target}" CACHE
       STRING "Native TableGen executable. Saves building one when cross-compiling.")
 
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