[llvm] r251138 - [CMake] Fixing dependency issue with parallel make when building with LLVM_OPTIMIZED_TABLEGEN.

[Chris Bieneman via llvm-commits]

Author: cbieneman
Date: Fri Oct 23 14:48:17 2015
New Revision: 251138

URL: http://llvm.org/viewvc/llvm-project?rev=251138&view=rev
Log:
[CMake] Fixing dependency issue with parallel make when building with LLVM_OPTIMIZED_TABLEGEN.

Patch by Alex Wang

Modified:
    llvm/trunk/cmake/modules/TableGen.cmake

Modified: llvm/trunk/cmake/modules/TableGen.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/TableGen.cmake?rev=251138&r1=251137&r2=251138&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/TableGen.cmake (original)
+++ llvm/trunk/cmake/modules/TableGen.cmake Fri Oct 23 14:48:17 2015
@@ -77,6 +77,13 @@ if(LLVM_USE_HOST_TOOLS)
       WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
       COMMENT "Building libLLVMSupport for native TableGen...")
   add_custom_target(NATIVE_LIB_LLVMSUPPORT DEPENDS LIB_LLVMSUPPORT)
+
+  add_custom_command(OUTPUT LIB_LLVMTABLEGEN
+      COMMAND ${CMAKE_COMMAND} --build . --target LLVMTableGen --config Release
+      DEPENDS CONFIGURE_LLVM_NATIVE
+      WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
+      COMMENT "Building libLLVMTableGen for native TableGen...")
+  add_custom_target(NATIVE_LIB_LLVMTABLEGEN DEPENDS LIB_LLVMTABLEGEN)
 endif(LLVM_USE_HOST_TOOLS)
 
 macro(add_tablegen target project)
@@ -118,7 +125,7 @@ macro(add_tablegen target project)
 
       add_custom_command(OUTPUT ${${project}_TABLEGEN_EXE}
         COMMAND ${CMAKE_COMMAND} --build . --target ${target} --config Release
-        DEPENDS ${target} NATIVE_LIB_LLVMSUPPORT
+        DEPENDS ${target} NATIVE_LIB_LLVMSUPPORT NATIVE_LIB_LLVMTABLEGEN
         WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
         COMMENT "Building native TableGen...")
       add_custom_target(${project}-tablegen-host DEPENDS ${${project}_TABLEGEN_EXE})