5 # Permission is hereby granted, free of charge, to any person obtaining
6 # a copy of this software and associated documentation files (the
7 # "Software"), to deal in the Software without restriction, including
8 # without limitation the rights to use, copy, modify, merge, publish,
9 # distribute, sublicense, and/or sell copies of the Software, and to
10 # permit persons to whom the Software is furnished to do so, subject to
11 # the following conditions:
13 # The above copyright notice and this permission notice shall be included
14 # in all copies or substantial portions of the Software.
16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
17 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
18 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
28 Verify that SetOption('implicit_cache', 1) actually enables implicit
29 caching by detecting the case where implicit caching causes inaccurate
30 builds: a same-named file dropped into a directory earlier in the
31 CPPPATH list will *not* be detected because we use what's in the cache.
36 test = TestSCons.TestSCons()
38 test.write('SConstruct', """
39 SetOption('implicit_cache', 1)
40 env=Environment(CPPPATH=['i1', 'i2'])
47 test.write('foo.c', """
53 ++x; /* reference x */
57 test.write('i2/foo.h', """
58 #define FOO_H_DEFINED int x = 1;
61 test.run(arguments = '.')
63 test.write('i1/foo.h', """
64 this line will cause a syntax error if it's included by a rebuild
67 test.up_to_date(arguments = '.')