[bug #42833] Prunes targets with pattern rules for no obvious reason

[Mike Hommey]

URL:
  <http://savannah.gnu.org/bugs/?42833>

                 Summary: Prunes targets with pattern rules for no obvious
reason
                 Project: make
            Submitted by: glandium
            Submitted on: Wed 23 Jul 2014 11:32:34 AM GMT
                Severity: 3 - Normal
              Item Group: Bug
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
       Component Version: 4.0
        Operating System: POSIX-Based
           Fixed Release: None
           Triage Status: None

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Details:

With the attached reduced testcase, running make -f test.mk recurse_compile
doesn't yield all the possible values. It skips modules/libbz2/src/target.
modules/libmar/src/target,
toolkit/crashreporter/google-breakpad/src/common/linux/target and
toolkit/crashreporter/google-breakpad/src/common/target.
However, if you run make -f test.mk toolkit/library/gtest/target, which is one
of the dependencies of the recurse_compile target, the toolkit/crashreporter/*
ones are there, as expected from the dependencies.

make -d tells they are pruned, and I see no obvious reason why, b ut maybe I'm
wrong.

When not using pattern rules, it works appropriately.




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