[CMake] Move ninja job pool options to HandleLLVMOptions

Moving the Ninja job pool configuration settings into the HandleLLVMOptions module will allow standalone builds of LLVM sub-projects to use the LLVM options without needing to re-implement them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294334 91177308-0d34-0410-b5e6-96231b3b80d8

CMakeLists.txt

@@ -132,18 +132,6 @@ foreach(proj ${LLVM_ENABLE_PROJECTS})
   endif()
 endforeach()
 
-# The following only works with the Ninja generator in CMake >= 3.0.
-set(LLVM_PARALLEL_COMPILE_JOBS "" CACHE STRING
-  "Define the maximum number of concurrent compilation jobs.")
-if(LLVM_PARALLEL_COMPILE_JOBS)
-  if(NOT CMAKE_MAKE_PROGRAM MATCHES "ninja")
-    message(WARNING "Job pooling is only available with Ninja generators.")
-  else()
-    set_property(GLOBAL APPEND PROPERTY JOB_POOLS compile_job_pool=${LLVM_PARALLEL_COMPILE_JOBS})
-    set(CMAKE_JOB_POOL_COMPILE compile_job_pool)
-  endif()
-endif()
-
 # Build llvm with ccache if the package is present
 set(LLVM_CCACHE_BUILD OFF CACHE BOOL "Set to ON for a ccache enabled build")
 if(LLVM_CCACHE_BUILD)
@@ -183,17 +171,6 @@ if(LLVM_BUILD_GLOBAL_ISEL)
   add_definitions(-DLLVM_BUILD_GLOBAL_ISEL)
 endif()
 
-set(LLVM_PARALLEL_LINK_JOBS "" CACHE STRING
-  "Define the maximum number of concurrent link jobs.")
-if(LLVM_PARALLEL_LINK_JOBS)
-  if(NOT CMAKE_MAKE_PROGRAM MATCHES "ninja")
-    message(WARNING "Job pooling is only available with Ninja generators.")
-  else()
-    set_property(GLOBAL APPEND PROPERTY JOB_POOLS link_job_pool=${LLVM_PARALLEL_LINK_JOBS})
-    set(CMAKE_JOB_POOL_LINK link_job_pool)
-  endif()
-endif()
-
 # Add path for custom modules
 set(CMAKE_MODULE_PATH
   ${CMAKE_MODULE_PATH}

cmake/modules/HandleLLVMOptions.cmake

@@ -12,6 +12,30 @@ include(AddLLVMDefinitions)
 include(CheckCCompilerFlag)
 include(CheckCXXCompilerFlag)
 
+# Ninja Job Pool support
+# The following only works with the Ninja generator in CMake >= 3.0.
+set(LLVM_PARALLEL_COMPILE_JOBS "" CACHE STRING
+  "Define the maximum number of concurrent compilation jobs.")
+if(LLVM_PARALLEL_COMPILE_JOBS)
+  if(NOT CMAKE_MAKE_PROGRAM MATCHES "ninja")
+    message(WARNING "Job pooling is only available with Ninja generators.")
+  else()
+    set_property(GLOBAL APPEND PROPERTY JOB_POOLS compile_job_pool=${LLVM_PARALLEL_COMPILE_JOBS})
+    set(CMAKE_JOB_POOL_COMPILE compile_job_pool)
+  endif()
+endif()
+
+set(LLVM_PARALLEL_LINK_JOBS "" CACHE STRING
+  "Define the maximum number of concurrent link jobs.")
+if(LLVM_PARALLEL_LINK_JOBS)
+  if(NOT CMAKE_MAKE_PROGRAM MATCHES "ninja")
+    message(WARNING "Job pooling is only available with Ninja generators.")
+  else()
+    set_property(GLOBAL APPEND PROPERTY JOB_POOLS link_job_pool=${LLVM_PARALLEL_LINK_JOBS})
+    set(CMAKE_JOB_POOL_LINK link_job_pool)
+  endif()
+endif()
+
 
 if (CMAKE_LINKER MATCHES "lld-link.exe")
   # Pass /MANIFEST:NO so that CMake doesn't run mt.exe on our binaries.  Adding