#!/usr/bin/env python
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Verify that when a source file is generated and the -j option is used,
the source file correctly gets re-scanned for implicit dependencies
after it's built.
"""

import TestSCons

test = TestSCons.TestSCons()

test.write('SConstruct', """\
env = Environment()
env['BUILDERS']['COPY'] = Builder(action = Copy("$TARGET", "$SOURCE"))

env.COPY('a.c', 'a.in')
env.COPY('b.c', 'b.in')

env.StaticLibrary('lib', ['a.c', 'b.c'])
""")

test.write("a.in", """\
#include "a.h"
""")

test.write("b.in", """\
#include "b.h"
""")

test.write("a.h", """\
char *A_FILE = "b.in";
""")

test.write("b.h", """\
char *B_FILE = "b.in";
""")

test.run(arguments = '-j4 .',
         stderr=TestSCons.noisy_ar,
         match=TestSCons.match_re_dotall)

# If the dependencies weren't re-scanned properly, the .h files won't
# show up in the previous run's dependency lists, and the .o files and
# library will get rebuilt here.
test.up_to_date(arguments = '.')

test.pass_test()

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