diff options
Diffstat (limited to 'clang')
-rw-r--r-- | clang/test/Makefile | 20 | ||||
-rw-r--r-- | clang/test/lit.cfg | 53 |
2 files changed, 71 insertions, 2 deletions
diff --git a/clang/test/Makefile b/clang/test/Makefile index 12d713b5164..1a109758bad 100644 --- a/clang/test/Makefile +++ b/clang/test/Makefile @@ -8,6 +8,9 @@ else TESTDIRS ?= $(PROJ_SRC_DIR) endif +# LIT2 wants objdir paths, so it will pick up the lit.site.cfg. +LIT2_TESTDIRS := $(TESTDIRS:$(PROJ_SRC_DIR)%=$(PROJ_OBJ_DIR)%) + ifndef TESTARGS ifdef VERBOSE TESTARGS = -v @@ -23,12 +26,12 @@ else endif ifdef LIT2 -all:: +all:: lit.site.cfg @ echo '--- Running clang tests for $(TARGET_TRIPLE) ---' @ $(LLVM_SRC_ROOT)/utils/lit/lit.py \ --path $(ToolDir) \ --path $(LLVM_SRC_ROOT)/test/Scripts \ - $(TESTARGS) $(TESTDIRS) $(VGARG) + $(TESTARGS) $(LIT2_TESTDIRS) $(VGARG) else all:: @ echo '--- Running clang tests for $(TARGET_TRIPLE) ---' @@ -39,6 +42,19 @@ all:: $(TESTARGS) $(TESTDIRS) $(VGARG) endif +FORCE: + +lit.site.cfg: FORCE + @echo "Making 'lit.site.cfg' file..." + @echo "## Autogenerated by Makefile ##" > $@ + @echo "# Do not edit!" >> $@ + @echo >> $@ + @echo "# Preserve some key paths for use by main LLVM test suite config." >> $@ + @echo "config.clang_obj_root = \"\"\"$(PROJ_OBJ_DIR)/..\"\"\"" >> $@ + @echo >> $@ + @echo "# Let the main config do the real work." >> $@ + @echo "lit.load_config(config, \"\"\"$(PROJ_SRC_DIR)/lit.cfg\"\"\")" >> $@ + clean:: @ rm -rf Output/ diff --git a/clang/test/lit.cfg b/clang/test/lit.cfg index dcda2ab378d..0b8e12bf0de 100644 --- a/clang/test/lit.cfg +++ b/clang/test/lit.cfg @@ -1,6 +1,8 @@ # -*- Python -*- def config_new(): + import os + # Configuration file for the 'lit' test runner. # name: The name of this test suite. @@ -16,6 +18,57 @@ def config_new(): # suffixes: A list of file extensions to treat as test files. config.suffixes = ['.c', '.cpp', '.m', '.mm'] + # test_source_root: The root path where tests are located. + config.test_source_root = os.path.dirname(__file__) + + # test_exec_root: The root path where tests should be run. + clang_obj_root = getattr(config, 'clang_obj_root', None) + if clang_obj_root is not None: + config.test_exec_root = os.path.join(clang_obj_root, 'test') + + ### + + # Check that the object root is known. + if config.test_exec_root is None: + # Otherwise, we haven't loaded the site specific configuration (the user is + # probably trying to run on a test file directly, and either the site + # configuration hasn't been created by the build system, or we are in an + # out-of-tree build situation). + + # Try to detect the situation where we are using an out-of-tree build by + # looking for 'llvm-config'. + # + # FIXME: I debated (i.e., wrote and threw away) adding logic to + # automagically generate the lit.site.cfg if we are in some kind of fresh + # build situation. This means knowing how to invoke the build system + # though, and I decided it was too much magic. + + llvm_config = lit.util.which('llvm-config', config.environment['PATH']) + if not llvm_config: + lit.fatal('No site specific configuration available!') + + # Get the source and object roots. + llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip() + llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip() + clang_src_root = os.path.join(llvm_src_root, "tools", "clang") + clang_obj_root = os.path.join(llvm_obj_root, "tools", "clang") + + # Validate that we got a tree which points to here, using the standard + # tools/clang layout. + this_src_root = os.path.dirname(config.test_source_root) + if os.path.realpath(clang_src_root) != os.path.realpath(this_src_root): + lit.fatal('No site specific configuration available!') + + # Check that the site specific configuration exists. + site_cfg = os.path.join(clang_obj_root, 'test', 'lit.site.cfg') + if not os.path.exists(site_cfg): + lit.fatal('No site specific configuration available!') + + # Okay, that worked. Notify the user of the automagic, and reconfigure. + lit.note('using out-of-tree build at %r' % clang_obj_root) + lit.load_config(config, site_cfg) + raise SystemExit + ### # Discover the 'clang' and 'clangcc' to use. |