[bug #25713] Please note CPPFLAGS required to build on Tru64

[Daniel Richard G.]

URL:
  <http://savannah.gnu.org/bugs/?25713>

                 Summary: Please note CPPFLAGS required to build on Tru64
                 Project: make
            Submitted by: iskunk
            Submitted on: Thu 26 Feb 2009 05:08:14 AM GMT
                Severity: 3 - Normal
              Item Group: Documentation
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
       Component Version: CVS
        Operating System: None
           Fixed Release: None

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Details:

Building GNU Make on Tru64 requires

    CPPFLAGS = -D_XOPEN_SOURCE_EXTENDED -D_OSF_SOURCE

_XOPEN* is needed to get the prototype for bsd_signal(), and _OSF* to typedef
u_long and friends, which is used in some system headers pulled in by
getloadavg.c (and without said typedefs, the build breaks when compiling that
file). I've confirmed that neither of these flags is made redundant by the
other.

Please make a note of this in the documentation, or add appropriate logic to
the configure script. I was able to determine the need for these flags, but
other users might not.




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