[LNT] r261851 - [test-suite] Add the ability to pass CMake defines to CMake.

[James Molloy via llvm-commits]

r262217.
> On 29 Feb 2016, at 02:44, Chris Matthews <chris.matthews at apple.com> wrote:
> 
> Could you make the help message more verbose?  It is not obvious (to me) if the -D part of the define should be included or not.
> 
>> On Feb 25, 2016, at 2:05 AM, James Molloy via llvm-commits <llvm-commits at lists.llvm.org> wrote:
>> 
>> Author: jamesm
>> Date: Thu Feb 25 04:05:00 2016
>> New Revision: 261851
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=261851&view=rev
>> Log:
>> [test-suite] Add the ability to pass CMake defines to CMake.
>> 
>> While we're here, ensure that we build 'timeit-host' first before anything else. CMake doesn't know that timeit-host is a requirement for building *any other source file*. This kinda works when building at the top level, but when using --only-test things break.
>> 
>> Modified:
>>   lnt/trunk/lnt/tests/test_suite.py
>>   lnt/trunk/tests/runtest/test_suite.py
>> 
>> Modified: lnt/trunk/lnt/tests/test_suite.py
>> URL: http://llvm.org/viewvc/llvm-project/lnt/trunk/lnt/tests/test_suite.py?rev=261851&r1=261850&r2=261851&view=diff
>> ==============================================================================
>> --- lnt/trunk/lnt/tests/test_suite.py (original)
>> +++ lnt/trunk/lnt/tests/test_suite.py Thu Feb 25 04:05:00 2016
>> @@ -50,6 +50,9 @@ class TestSuiteTest(BuiltinTest):
>>        group.add_option("", "--test-externals", dest="test_suite_externals",
>>                         type=str, metavar="PATH",
>>                         help="Path to the LLVM test-suite externals")
>> +        group.add_option("", "--cmake-define", dest="cmake_defines",
>> +                         action="append",
>> +                         help="Defines to pass to cmake.")
>>        parser.add_option_group(group)
>> 
>>        group = OptionGroup(parser, "Test compiler")
>> @@ -351,6 +354,10 @@ class TestSuiteTest(BuiltinTest):
>>            defs['TEST_SUITE_BENCHMARKING_ONLY'] = 'ON'
>>        if self.opts.use_perf:
>>            defs['TEST_SUITE_USE_PERF'] = 'ON'
>> +        if self.opts.cmake_defines:
>> +            for item in self.opts.cmake_defines:
>> +                k, v = item.split('=', 1)
>> +                defs[k] = v
>> 
>>        lines = ['Configuring with {']
>>        for k,v in sorted(defs.items()):
>> @@ -372,6 +379,9 @@ class TestSuiteTest(BuiltinTest):
>>            subdir = os.path.join(*components)
>> 
>>        note('Building...')
>> +        self._check_call([make_cmd, 'timeit-host',
>> +                          '-j', str(self._build_threads())],
>> +                         cwd=path)
>>        self._check_call([make_cmd,
>>                          '-j', str(self._build_threads())],
>>                         cwd=subdir)
>> 
>> Modified: lnt/trunk/tests/runtest/test_suite.py
>> URL: http://llvm.org/viewvc/llvm-project/lnt/trunk/tests/runtest/test_suite.py?rev=261851&r1=261850&r2=261851&view=diff
>> ==============================================================================
>> --- lnt/trunk/tests/runtest/test_suite.py (original)
>> +++ lnt/trunk/tests/runtest/test_suite.py Thu Feb 25 04:05:00 2016
>> @@ -223,9 +223,16 @@
>> # RUN:     --use-make %S/Inputs/test-suite-cmake/fake-make \
>> # RUN:     --use-lit %S/Inputs/test-suite-cmake/fake-lit \
>> # RUN:     --only-test subtest \
>> +# RUN:     --cmake-define one=two \
>> +# RUN:     --cmake-define three=four \
>> # RUN:     --verbose \
>> # RUN:     > %t.log 2> %t.err
>> # RUN: FileCheck --check-prefix CHECK-ONLYTEST < %t.err %s
>> +# CHECK-ONLYTEST: Configuring with {
>> +# CHECK-ONLYTEST:   one: 'two'
>> +# CHECK-ONLYTEST:   three: 'four'
>> +# CHECK-ONLYTEST: Execute: {{.*}}/fake-make timeit-host -j 1 
>> +# CHECK-ONLYTEST:            (In {{.*}})
>> # CHECK-ONLYTEST: Execute: {{.*}}/fake-make -j 1
>> # CHECK-ONLYTEST:            (In {{.*}}/subtest)
>> 
>> 
>> 
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