superbuild: Add jobs switch for sub-builds (ispc#2568)

*   Set parallel level for sub-builds (ninja).
    Useful for thinly provisioned machines.
    Adds BUILD_TYPE switch for each component built.
    | `superbuild/CMakeLists.txt`

superbuild/CMakeLists.txt

@@ -37,6 +37,11 @@ set(CCACHE_DIR "default" CACHE STRING "ccache cache directory")
 set(PREBUILT_STAGE2 "NO" CACHE STRING "Provide pre-built stage2 archive to skip pre ispc-stage2 jobs")
 set(PREBUILT_STAGE2_PATH "NO" CACHE STRING "Provide pre-built stage2 toolchain path")
 set(STAGE2_TOOLCHAIN_INSTALL_PREFIX "NO" CACHE STRING "Path to install stage2 Clang/LLVM to")
+set(BUILD_TYPE_ISPC "Release" CACHE STRING "Set the build type for ISPC build")
+set(BUILD_TYPE_LLVM "Release" CACHE STRING "Set the build type for LLVM build")
+set(BUILD_TYPE_SPIRV_TRANSLATOR "Release" CACHE STRING "Set the build type for SPIR-V Translator build")
+set(BUILD_TYPE_VC_INTRINSICS "Release" CACHE STRING "Set the build type for VC Intrinsics build")
+set(BUILD_TYPE_L0 "Release" CACHE STRING "Set the build type for L0 build")
 option(LLVM_DISABLE_ASSERTIONS "Enable LLVM build without assertions" ON)
 option(EXTERNAL_VERBOSE "Enable verbose for external project build and install commands" OFF)
 option(CCACHE "Enable ccache to speed up repetitive builds" OFF)
@@ -124,6 +129,20 @@ if (EXTERNAL_VERBOSE)
     set(EXTERNAL_VERBOSE_FLAG "-v")
 endif()
 
+if (CMAKE_BUILD_PARALLEL_LEVEL)
+    list(APPEND NINJA_JOBS -j ${CMAKE_BUILD_PARALLEL_LEVEL})
+else()
+    list(APPEND NINJA_JOBS "")
+endif()
+
+if (CMAKE_BUILD_TYPE)
+    set(BUILD_TYPE_ISPC ${CMAKE_BUILD_TYPE})
+    set(BUILD_TYPE_LLVM ${CMAKE_BUILD_TYPE})
+    set(BUILD_TYPE_SPIRV_TRANSLATOR ${CMAKE_BUILD_TYPE})
+    set(BUILD_TYPE_VC_INTRINSICS ${CMAKE_BUILD_TYPE})
+    set(BUILD_TYPE_L0 ${CMAKE_BUILD_TYPE})
+endif()
+
 message(STATUS "LLVM_VERSION is ${LLVM_VERSION}")
 message(STATUS "LLVM_URL is ${LLVM_URL}")
 message(STATUS "VC_INTRINSICS_URL is ${VC_INTRINSICS_URL}")
@@ -146,6 +165,13 @@ message(STATUS "STAGE2_TOOLCHAIN_INSTALL_PREFIX is ${STAGE2_TOOLCHAIN_INSTALL_PR
 message(STATUS "LLVM_DISABLE_ASSERTIONS is ${LLVM_DISABLE_ASSERTIONS}")
 message(STATUS "LTO is ${LTO}")
 message(STATUS "PGO is ${PGO}")
+message(STATUS "CMAKE_BUILD_TYPE is ${CMAKE_BUILD_TYPE}")
+message(STATUS "CMAKE_BUILD_PARALLEL_LEVEL is ${CMAKE_BUILD_PARALLEL_LEVEL}")
+message(STATUS "BUILD_TYPE_ISPC is ${BUILD_TYPE_ISPC}")
+message(STATUS "BUILD_TYPE_LLVM is ${BUILD_TYPE_LLVM}")
+message(STATUS "BUILD_TYPE_SPIRV_TRANSLATOR is ${BUILD_TYPE_SPIRV_TRANSLATOR}")
+message(STATUS "BUILD_TYPE_VC_INTRINSICS is ${BUILD_TYPE_VC_INTRINSICS}")
+message(STATUS "BUILD_TYPE_L0 is ${BUILD_TYPE_L0}")
 message(STATUS "BUILD_STAGE2_TOOLCHAIN_ONLY is ${BUILD_STAGE2_TOOLCHAIN_ONLY}")
 message(STATUS "BUILD_SPIRV_TRANSLATOR_ONLY is ${BUILD_SPIRV_TRANSLATOR_ONLY}")
 message(STATUS "BUILD_VC_INTRINSICS_ONLY is ${BUILD_VC_INTRINSICS_ONLY}")
@@ -285,7 +311,7 @@ endif()
 
 # common LLVM cmake configuration flags.
 list(APPEND LLVM_COMMON_CMAKE_ARGS
-    -DCMAKE_BUILD_TYPE=Release
+    -DCMAKE_BUILD_TYPE=${BUILD_TYPE_LLVM}
     -DLLVM_ENABLE_DUMP=OFF
     -DLLVM_INSTALL_UTILS=ON
     -DLLVM_ENABLE_ZLIB=OFF
@@ -449,7 +475,7 @@ message(STATUS "LLVM stage2 cmake arguments ${LLVM_STAGE2_CMAKE_ARGS}")
 
 # ISPC cmake arguments.
 list(APPEND ISPC_COMMON_CMAKE_ARGS
-    -DCMAKE_BUILD_TYPE=Release
+    -DCMAKE_BUILD_TYPE=${BUILD_TYPE_ISPC}
     -DISPC_CROSS=ON
     -DXE_ENABLED=ON
     -DISPC_PREPARE_PACKAGE=ON
@@ -775,6 +801,7 @@ list(APPEND NINJA_COMMAND_WITH_ENV_STAGE1
     "CCACHE_CONFIGPATH=${CCACHE_DEFAULT_CONF}"
     ${NINJA_EXE}
     ${EXTERNAL_VERBOSE_FLAG}
+    ${NINJA_JOBS}
     )
 list(APPEND NINJA_COMMAND_WITH_ENV_STAGE2
     ${CMAKE_COMMAND}
@@ -784,6 +811,7 @@ list(APPEND NINJA_COMMAND_WITH_ENV_STAGE2
     "PATH=${ENV_PATH_STAGE2_ESC_SEM}"
     ${NINJA_EXE}
     ${EXTERNAL_VERBOSE_FLAG}
+    ${NINJA_JOBS}
     )
 list(APPEND NINJA_COMMAND_WITH_ENV_STAGE3
     ${CMAKE_COMMAND}
@@ -793,7 +821,11 @@ list(APPEND NINJA_COMMAND_WITH_ENV_STAGE3
     "PATH=${ENV_PATH_STAGE3_ESC_SEM}"
     ${NINJA_EXE}
     ${EXTERNAL_VERBOSE_FLAG}
+    ${NINJA_JOBS}
     )
+message(STATUS "NINJA_COMMAND_WITH_ENV_STAGE1 is ${NINJA_COMMAND_WITH_ENV_STAGE1}")
+message(STATUS "NINJA_COMMAND_WITH_ENV_STAGE2 is ${NINJA_COMMAND_WITH_ENV_STAGE2}")
+message(STATUS "NINJA_COMMAND_WITH_ENV_STAGE3 is ${NINJA_COMMAND_WITH_ENV_STAGE3}")
 
 if (BUILD_SPIRV_TRANSLATOR_ONLY)
     message(STATUS "BUILD SPIRV-LLVM-Translator only")
@@ -809,7 +841,7 @@ if (BUILD_SPIRV_TRANSLATOR_ONLY)
         CMAKE_GENERATOR Ninja
         CMAKE_ARGS
             -DLLVM_DIR=${PREBUILT_STAGE2_PATH}/lib/cmake/llvm
-            -DCMAKE_BUILD_TYPE=Release
+            -DCMAKE_BUILD_TYPE=${BUILD_TYPE_SPIRV_TRANSLATOR}
             -DCMAKE_TOOLCHAIN_FILE=${CMAKE_BINARY_DIR}/stage2-toolchain.cmake
             -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
         BUILD_IN_SOURCE OFF
@@ -833,7 +865,7 @@ if (BUILD_VC_INTRINSICS_ONLY)
         CMAKE_GENERATOR Ninja
         CMAKE_ARGS
             -DLLVM_DIR=${PREBUILT_STAGE2_PATH}/lib/cmake/llvm
-            -DCMAKE_BUILD_TYPE=Release
+            -DCMAKE_BUILD_TYPE=${BUILD_TYPE_VC_INTRINSICS}
             -DCMAKE_TOOLCHAIN_FILE=${CMAKE_BINARY_DIR}/stage2-toolchain.cmake
             -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
         BUILD_IN_SOURCE OFF
@@ -858,7 +890,7 @@ if (BUILD_L0_LOADER_ONLY)
         CMAKE_ARGS
             -DCMAKE_TOOLCHAIN_FILE=${CMAKE_BINARY_DIR}/stage2-l0-toolchain.cmake
             -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
-            -DCMAKE_BUILD_TYPE=Release
+            -DCMAKE_BUILD_TYPE=${BUILD_TYPE_L0}
         BUILD_COMMAND ${NINJA_COMMAND_WITH_ENV_STAGE2}
         INSTALL_COMMAND ${NINJA_COMMAND_WITH_ENV_STAGE2} install
         )
@@ -899,7 +931,7 @@ if (PGO OR NOT SKIP_STAGE2_DEPS)
             CMAKE_ARGS
                 -DCMAKE_TOOLCHAIN_FILE=${CMAKE_BINARY_DIR}/stage2-l0-toolchain.cmake
                 -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}/stage2
-                -DCMAKE_BUILD_TYPE=Release
+                -DCMAKE_BUILD_TYPE=${BUILD_TYPE_L0}
             SOURCE_DIR l0-source
             BUILD_IN_SOURCE OFF
             PREFIX bl0