[Bug target/12520] New: Unnecessary inclusion of Solaris-specific header

["jonm at dualitymedia dot com" <gcc-bugzilla at gcc dot gnu dot org>]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12520

           Summary: Unnecessary inclusion of Solaris-specific header
           Product: gcc
           Version: 3.3.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jonm at dualitymedia dot com
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: sparc64-*-openbsd*
  GCC host triplet: sparc64-*-openbsd*
GCC target triplet: sparc64-*-openbsd*

A basic build (passing no arguments to `configure`) eventually aborts with an 
error message about two undefined macros, STARTFILE_ARCH_SPEC and 
LINK_ARCH_SPEC. The problem was traced to the unnecessary inclusion of 
gcc/config/sparc/sol2.h in gcc/config-gcc:2409. I was using OpenBSD 3.4 to 
build gcc.