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build/test/make_rule.py
Steven Watanabe ee613a6a28 Implement feature relevance.
* New feature <relevant> which is automatically deduced in most cases.
* Features which are not relevant do not affect target paths and
  do not prevent merging of virtual targets.
* generators.jam: generator.run always returns usage-requirements
  to allow usage-requirements in non-top-level generators.  This
  is necessary because we're using usage-requirements to track
  relevance from flags.
* New rule toolset.uses-features to specify features that the rule
  checks manually, instead of using toolset.flags.  In the future,
  we should consider restricting the properties actually passed,
  to detect errors.
* Adjust tests to handle the new paths (verified by inspection).
* Add temporary option --ignore-relevance to consider all features relevant
  to aid migration.
* New rule property.evaluate-conditional-relevance which helps tracking
  relevance in <conditional>.
* Widely scattered changes to use the new interfaces.
2018-01-13 09:13:49 -07:00

55 lines
1.3 KiB
Python

#!/usr/bin/python
# Copyright 2003 Dave Abrahams
# Copyright 2003, 2006 Vladimir Prus
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
# Test the 'make' rule.
import BoostBuild
import string
t = BoostBuild.Tester(pass_toolset=1)
t.write("jamroot.jam", """\
import feature ;
feature.feature test_feature : : free ;
import toolset ;
toolset.flags creator STRING : <test_feature> ;
actions creator
{
echo $(STRING) > $(<)
}
make foo.bar : : creator : <test_feature>12345678 ;
""")
t.run_build_system()
t.expect_addition("bin/foo.bar")
t.fail_test(string.find(t.read("bin/foo.bar"), "12345678") == -1)
# Regression test. Make sure that if a main target is requested two times, and
# build requests differ only in incidental properties, the main target is
# created only once. The bug was discovered by Kirill Lapshin.
t.write("jamroot.jam", """\
exe a : dir//hello1.cpp ;
exe b : dir//hello1.cpp/<hardcode-dll-paths>true ;
""")
t.write("dir/jamfile.jam", """\
import common ;
make hello1.cpp : hello.cpp : common.copy ;
""")
t.write("dir/hello.cpp", "int main() {}\n")
# Show only action names.
t.run_build_system(["-d1", "-n"])
t.fail_test(t.stdout().count("copy") != 1)
t.cleanup()