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Add 'lit' support for llvm tests.
- This adds 'make check-lit' from the top-level Makefile. llvm-svn: 81191
This commit is contained in:
Daniel Dunbar
parent
640436d7af
commit
1d03c5c8a7
@ -1594,6 +1594,18 @@ check::
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$(EchoCmd) No test directory ; \
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fi
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check-lit::
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$(Verb) if test -d "$(PROJ_OBJ_ROOT)/test" ; then \
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if test -f "$(PROJ_OBJ_ROOT)/test/Makefile" ; then \
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$(EchoCmd) Running test suite ; \
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$(MAKE) -C $(PROJ_OBJ_ROOT)/test check-local-lit ; \
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else \
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$(EchoCmd) No Makefile in test directory ; \
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fi ; \
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else \
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$(EchoCmd) No test directory ; \
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fi
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###############################################################################
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# UNITTESTS: Running the unittests test suite
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###############################################################################
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@ -28,12 +28,18 @@ endif
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ifdef VERBOSE
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RUNTESTFLAGS := $(VERBOSE)
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LIT_ARGS := -v
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else
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LIT_ARGS := -s -v
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endif
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ifdef TESTSUITE
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LIT_TESTSUITE := $(TESTSUITE)
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CLEANED_TESTSUITE := $(patsubst %/,%,$(TESTSUITE))
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CLEANED_TESTSUITE := $(patsubst test/%,%,$(CLEANED_TESTSUITE))
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RUNTESTFLAGS += --tool $(CLEANED_TESTSUITE)
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else
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LIT_TESTSUITE := .
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endif
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ifdef VG
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@ -69,6 +75,13 @@ check-local:: site.exp
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@echo "*** dejagnu not found. Make sure 'runtest' is in your PATH, then reconfigure LLVM."
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endif
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check-local-lit:: lit.site.cfg
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( $(ULIMIT) \
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$(LLVM_SRC_ROOT)/utils/lit/lit.py \
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--path "$(LLVMToolDir)" \
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--path "$(LLVM_SRC_ROOT)/test/Scripts" \
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$(LIT_ARGS) $(LIT_TESTSUITE) )
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ifdef TESTONE
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CLEANED_TESTONE := $(patsubst %/,%,$(TESTONE))
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CLEANED_TESTONE := $(patsubst test/%,%,$(CLEANED_TESTONE))
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@ -148,3 +161,14 @@ site.exp: FORCE
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@-rm -f site.bak
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@test ! -f site.exp || mv site.exp site.bak
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@mv site.tmp site.exp
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lit.site.cfg: site.exp
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@echo "Making 'lit.site.cfg' file..."
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@echo "## Autogenerated by Makefile ##" > $@
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@echo "# Do not edit!" >> $@
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@echo >> $@
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@echo "# Preserve some key paths for use by main LLVM test suite config." >> $@
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@echo "config.llvm_obj_root = \"\"\"$(LLVM_OBJ_ROOT)\"\"\"" >> $@
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@echo >> $@
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@echo "# Let the main config do the real work." >> $@
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@echo "lit.load_config(config, \"\"\"$(LLVM_SRC_ROOT)/test/lit.cfg\"\"\")" >> $@
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151
test/lit.cfg
Normal file
151
test/lit.cfg
Normal file
@ -0,0 +1,151 @@
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# -*- Python -*-
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# Configuration file for the 'lit' test runner.
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import os
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# name: The name of this test suite.
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config.name = 'LLVM'
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# testFormat: The test format to use to interpret tests.
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config.test_format = lit.formats.TclTest()
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# suffixes: A list of file extensions to treat as test files, this is actually
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# set by on_clone().
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config.suffixes = []
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# test_source_root: The root path where tests are located.
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config.test_source_root = os.path.dirname(__file__)
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# test_exec_root: The root path where tests should be run.
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llvm_obj_root = getattr(config, 'llvm_obj_root', None)
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if llvm_obj_root is not None:
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config.test_exec_root = os.path.join(llvm_obj_root, 'test')
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###
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import os
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# Check that the object root is known.
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if config.test_exec_root is None:
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# Otherwise, we haven't loaded the site specific configuration (the user is
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# probably trying to run on a test file directly, and either the site
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# configuration hasn't been created by the build system, or we are in an
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# out-of-tree build situation).
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# Try to detect the situation where we are using an out-of-tree build by
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# looking for 'llvm-config'.
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#
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# FIXME: I debated (i.e., wrote and threw away) adding logic to
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# automagically generate the lit.site.cfg if we are in some kind of fresh
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# build situation. This means knowing how to invoke the build system
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# though, and I decided it was too much magic.
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llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
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if not llvm_config:
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lit.fatal('No site specific configuration available!')
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# Get the source and object roots.
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llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
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llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
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# Validate that we got a tree which points to here.
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this_src_root = os.path.dirname(config.test_source_root)
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if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root):
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lit.fatal('No site specific configuration available!')
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# Check that the site specific configuration exists.
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site_cfg = os.path.join(llvm_obj_root, 'test', 'lit.site.cfg')
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if not os.path.exists(site_cfg):
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lit.fatal('No site specific configuration available!')
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# Okay, that worked. Notify the user of the automagic, and reconfigure.
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lit.note('using out-of-tree build at %r' % llvm_obj_root)
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lit.load_config(config, site_cfg)
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raise SystemExit
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###
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# Load site data from DejaGNU's site.exp.
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import re
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site_exp = {}
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# FIXME: Implement lit.site.cfg.
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for line in open(os.path.join(config.llvm_obj_root, 'test', 'site.exp')):
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m = re.match('set ([^ ]+) "([^"]*)"', line)
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if m:
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site_exp[m.group(1)] = m.group(2)
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# Add substitutions.
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for sub in ['prcontext', 'llvmgcc', 'llvmgxx', 'compile_cxx', 'compile_c',
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'link', 'shlibext', 'ocamlopt', 'llvmdsymutil', 'llvmlibsdir',
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'bugpoint_topts']:
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if sub in ('llvmgcc', 'llvmgxx'):
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config.substitutions.append(('%' + sub,
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site_exp[sub] + ' -emit-llvm -w'))
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else:
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config.substitutions.append(('%' + sub, site_exp[sub]))
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excludes = []
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# Provide target_triple for use in XFAIL and XTARGET.
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config.target_triple = site_exp['target_triplet']
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# Provide llvm_supports_target for use in local configs.
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targets = set(site_exp["TARGETS_TO_BUILD"].split())
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def llvm_supports_target(name):
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return name in targets
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langs = set(site_exp['llvmgcc_langs'].split(','))
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def llvm_gcc_supports(name):
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return name in langs
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# Provide on_clone hook for reading 'dg.exp'.
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import os
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simpleLibData = re.compile(r"""load_lib llvm.exp
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RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]""",
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re.MULTILINE)
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conditionalLibData = re.compile(r"""load_lib llvm.exp
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if.*\[ ?(llvm[^ ]*) ([^ ]*) ?\].*{
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*RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]
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\}""", re.MULTILINE)
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def on_clone(parent, cfg, for_path):
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def addSuffixes(match):
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if match[0] == '{' and match[-1] == '}':
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cfg.suffixes = ['.' + s for s in match[1:-1].split(',')]
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else:
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cfg.suffixes = ['.' + match]
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libPath = os.path.join(os.path.dirname(for_path),
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'dg.exp')
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if not os.path.exists(libPath):
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cfg.unsupported = True
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return
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# Reset unsupported, in case we inherited it.
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cfg.unsupported = False
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lib = open(libPath).read().strip()
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# Check for a simple library.
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m = simpleLibData.match(lib)
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if m:
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addSuffixes(m.group(1))
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return
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# Check for a conditional test set.
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m = conditionalLibData.match(lib)
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if m:
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funcname,arg,match = m.groups()
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addSuffixes(match)
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func = globals().get(funcname)
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if not func:
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lit.error('unsupported predicate %r' % funcname)
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elif not func(arg):
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cfg.unsupported = True
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return
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# Otherwise, give up.
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lit.error('unable to understand %r:\n%s' % (libPath, lib))
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config.on_clone = on_clone
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