r250064 - [CMake] Bug 14109 - CMake build for compiler-rt should use just-built clang

Chris Bieneman via cfe-commits cfe-commits at lists.llvm.org
Mon Oct 12 09:34:24 PDT 2015


Author: cbieneman
Date: Mon Oct 12 11:34:23 2015
New Revision: 250064

URL: http://llvm.org/viewvc/llvm-project?rev=250064&view=rev
Log:
[CMake] Bug 14109 - CMake build for compiler-rt should use just-built clang

Summary:
Many small improvements to LLVM_BUILD_EXTERNAL_COMPILER_RT.

* Works correctly with Ninja by working around CMake Bug 14771 (https://cmake.org/Bug/view.php?id=14771)
* Has install-compiler-rt target, and installs as part of the default install target
* Sets the install paths properly so that it matches the non-standalone build
* Only generate the test targets if(LLVM_INCLUDE_TESTS)

Reviewers: samsonov, Bigcheese

Differential Revision: http://reviews.llvm.org/D13399

Modified:
    cfe/trunk/runtime/CMakeLists.txt

Modified: cfe/trunk/runtime/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/runtime/CMakeLists.txt?rev=250064&r1=250063&r2=250064&view=diff
==============================================================================
--- cfe/trunk/runtime/CMakeLists.txt (original)
+++ cfe/trunk/runtime/CMakeLists.txt Mon Oct 12 11:34:23 2015
@@ -24,52 +24,66 @@ endfunction()
 
 set(COMPILER_RT_SRC_ROOT ${LLVM_MAIN_SRC_DIR}/projects/compiler-rt)
 if(LLVM_BUILD_EXTERNAL_COMPILER_RT AND EXISTS ${COMPILER_RT_SRC_ROOT}/)
-  if(CMAKE_GENERATOR MATCHES "Ninja")
-    message(FATAL_ERROR
-            "Ninja generator can't build compiler-rt as ExternalProject."
-            "Unset LLVM_BUILD_EXTERNAL_COMPILER_RT, or don't use Ninja."
-            "See http://www.cmake.org/Bug/view.php?id=14771")
+  if(CMAKE_VERSION VERSION_GREATER 3.3.20150708)
+    set(cmake_3_4_USES_TERMINAL_OPTIONS
+      USES_TERMINAL_CONFIGURE 1
+      USES_TERMINAL_BUILD 1
+      USES_TERMINAL_INSTALL 1
+      )
   endif()
 
   # Add compiler-rt as an external project.
   set(COMPILER_RT_PREFIX ${CMAKE_BINARY_DIR}/projects/compiler-rt)
-  
+
+  set(STAMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/compiler-rt-stamps/)
+  set(BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/compiler-rt-bins/)
+
+  add_custom_target(compiler-rt-clear
+    COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR}
+    COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR}
+    COMMENT "Clobberring compiler-rt build and stamp directories"
+    )
+
   ExternalProject_Add(compiler-rt
     PREFIX ${COMPILER_RT_PREFIX}
     SOURCE_DIR ${COMPILER_RT_SRC_ROOT}
-    CMAKE_ARGS -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang
+    STAMP_DIR ${STAMP_DIR}
+    BINARY_DIR ${BINARY_DIR}
+    CMAKE_ARGS ${CLANG_COMPILER_RT_CMAKE_ARGS}
+               -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang
                -DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++
-               -DCMAKE_BUILD_TYPE=Release
+               -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
                -DLLVM_CONFIG_PATH=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-config
                -DCOMPILER_RT_OUTPUT_DIR=${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION}
                -DCOMPILER_RT_EXEC_OUTPUT_DIR=${LLVM_RUNTIME_OUTPUT_INTDIR}
-               -DCOMPILER_RT_INSTALL_PATH=lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION}
+               -DCOMPILER_RT_INSTALL_PATH=${CMAKE_INSTALL_PREFIX}/lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION}
                -DCOMPILER_RT_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS}
-               -DCOMPILER_RT_ENABLE_WERROR=ON
+               -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
     INSTALL_COMMAND ""
     STEP_TARGETS configure build
+    ${cmake_3_4_USES_TERMINAL_OPTIONS}
     )
-  # Due to a bug, DEPENDS in ExternalProject_Add doesn't work
-  # in CMake 2.8.9 and 2.8.10.
-  add_dependencies(compiler-rt llvm-config clang)
-
-  # Add a custom step to always re-configure compiler-rt (in case some of its
-  # sources have changed).
-  ExternalProject_Add_Step(compiler-rt force-reconfigure
-    DEPENDERS configure
-    ALWAYS 1
+
+  get_ext_project_build_command(run_clean_compiler_rt clean)
+  ExternalProject_Add_Step(compiler-rt clean
+    COMMAND ${run_clean_compiler_rt}
+    COMMENT "Cleaning compiler-rt..."
+    DEPENDEES configure
+    DEPENDERS build
+    DEPENDS clang
+    WORKING_DIRECTORY ${BINARY_DIR}
     )
 
-  ExternalProject_Add_Step(compiler-rt clobber
-    COMMAND ${CMAKE_COMMAND} -E remove_directory <BINARY_DIR>
-    COMMAND ${CMAKE_COMMAND} -E make_directory <BINARY_DIR>
-    COMMENT "Clobberring compiler-rt build directory..."
-    DEPENDERS configure
-    DEPENDS ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang
-  )
+  add_dependencies(compiler-rt-configure clang llvm-config)
 
-  ExternalProject_Get_Property(compiler-rt BINARY_DIR)
-  set(COMPILER_RT_BINARY_DIR ${BINARY_DIR})
+  install(CODE "execute_process\(COMMAND ${CMAKE_COMMAND} -P ${BINARY_DIR}/cmake_install.cmake \)"
+    COMPONENT compiler-rt)
+
+  add_custom_target(install-compiler-rt
+                    DEPENDS compiler-rt
+                    COMMAND "${CMAKE_COMMAND}"
+                             -DCMAKE_INSTALL_COMPONENT=compiler-rt
+                             -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
 
   # Add top-level targets that build specific compiler-rt runtimes.
   set(COMPILER_RT_RUNTIMES asan builtins dfsan lsan msan profile tsan ubsan)
@@ -78,31 +92,33 @@ if(LLVM_BUILD_EXTERNAL_COMPILER_RT AND E
     add_custom_target(${runtime}
       COMMAND ${build_runtime_cmd}
       DEPENDS compiler-rt-configure
-      WORKING_DIRECTORY ${COMPILER_RT_BINARY_DIR}
+      WORKING_DIRECTORY ${BINARY_DIR}
       VERBATIM)
   endforeach()
 
-  # Add binaries that compiler-rt tests depend on.
-  set(COMPILER_RT_TEST_DEPENDENCIES
-    FileCheck count not llvm-nm llvm-symbolizer)
-
-  # Add top-level targets for various compiler-rt test suites.
-  set(COMPILER_RT_TEST_SUITES check-asan check-asan-dynamic check-dfsan
-    check-lsan check-msan check-sanitizer check-tsan check-ubsan)
-  foreach(test_suite ${COMPILER_RT_TEST_SUITES})
-    get_ext_project_build_command(run_test_suite ${test_suite})
-    add_custom_target(${test_suite}
-      COMMAND ${run_test_suite}
+  if(LLVM_INCLUDE_TESTS)
+    # Add binaries that compiler-rt tests depend on.
+    set(COMPILER_RT_TEST_DEPENDENCIES
+      FileCheck count not llvm-nm llvm-symbolizer)
+
+    # Add top-level targets for various compiler-rt test suites.
+    set(COMPILER_RT_TEST_SUITES check-asan check-asan-dynamic check-dfsan
+      check-lsan check-msan check-sanitizer check-tsan check-ubsan)
+    foreach(test_suite ${COMPILER_RT_TEST_SUITES})
+      get_ext_project_build_command(run_test_suite ${test_suite})
+      add_custom_target(${test_suite}
+        COMMAND ${run_test_suite}
+        DEPENDS compiler-rt-build ${COMPILER_RT_TEST_DEPENDENCIES}
+        WORKING_DIRECTORY ${BINARY_DIR}
+        VERBATIM)
+    endforeach()
+
+    # Add special target to run all compiler-rt test suites.
+    get_ext_project_build_command(run_check_compiler_rt check-all)
+    add_custom_target(check-compiler-rt
+      COMMAND ${run_check_compiler_rt}
       DEPENDS compiler-rt-build ${COMPILER_RT_TEST_DEPENDENCIES}
-      WORKING_DIRECTORY ${COMPILER_RT_BINARY_DIR}
+      WORKING_DIRECTORY ${BINARY_DIR}
       VERBATIM)
-  endforeach()
-
-  # Add special target to run all compiler-rt test suites.
-  get_ext_project_build_command(run_check_compiler_rt check-all)
-  add_custom_target(check-compiler-rt
-    COMMAND ${run_check_compiler_rt}
-    DEPENDS compiler-rt-build ${COMPILER_RT_TEST_DEPENDENCIES}
-    WORKING_DIRECTORY ${COMPILER_RT_BINARY_DIR}
-    VERBATIM)
+  endif()
 endif()




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