[Bug binutils/6742] New: Ld can not be build for target cygwin if yacc is not available

[earthengine at gmail dot com]

I have tried to build a binutils for target cygwin by both native build under
Windows XP and cross build under Ubuntu 8.04. The problem is if the yacc parser
is not installed, the build of LD will fail because the ld/deffilep.y file can
not be parsed.

This takes me time to find out the problem because the error is something like
"main is duplicated" and provide no information of the yacc.

Suggestion is to detect the existence of yacc if target is cygwin while running
the configure script.

-- 
           Summary: Ld can not be build for target cygwin if yacc is not
                    available
           Product: binutils
           Version: 2.18
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: binutils
        AssignedTo: unassigned at sources dot redhat dot com
        ReportedBy: earthengine at gmail dot com
                CC: bug-binutils at gnu dot org
GCC target triplet: i686-pc-cygwin


http://sourceware.org/bugzilla/show_bug.cgi?id=6742

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