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Improve the way unused sources are detected/reported.

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* new/targets.jam
  (basic-target.generate-source): Separate virtual targets that come from
    different sources.
  (basic-target.check-for-unused-targets): Warn only if not virtual target
    from a given source is comsumed.


[SVN r18403]
This commit is contained in:
Vladimir Prus
2003-05-15 15:52:26 +00:00
parent 01d6c24442
commit 21ea3db0f5
4 changed files with 82 additions and 52 deletions
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25
test/unused.py
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@@ -6,25 +6,16 @@ from BoostBuild import Tester
from string import find
t = Tester()
t.write("a.h", """
""")
t.write("a.cpp", """
int main()
{
return 0;
}
""")
t.write("Jamfile", """
exe a : a.cpp a.h ;
""")
t.write("project-root.jam", """
""")
t.set_tree("unused")
t.run_build_system()
t.fail_test(find(t.stdout(), "warning: Unused source target { a.H }") == -1)
# The second invocation should do nothing, and produce
# no warning.
t.run_build_system()
t.fail_test(t.stdout() != '')
t.run_build_system("-sGENERATE_ONLY_UNUSABLE=1")
t.fail_test(find(t.stdout(), "warning: Unused source b in main target ./a") == -1)
t.cleanup()