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[Bug binutils/5944] New: Cross compiling testsuite needs improvement for

From: nightstrike at gmail dot com
Subject: [Bug binutils/5944] New: Cross compiling testsuite needs improvement for mingw targets
Date: 16 Mar 2008 13:34:46 -0000

Currently, testing the cross compiler does not work "out of the box".  Most of 
this was found due to testing the x86_64-pc-mingw32 compiler, which is not 
part of "winsup/w32api".

There are several issues that Kai and I have found that would make this much 
more robust.  First is the ability for the windres tests to find the target 
system headers.  The --with-sysroot option that configure accepts is not used, 
and instead the path is hardcoded in windres.exp 
to "$(srcdir)/../../winsup/w32api/include".  What would make this more 
complete would be to have make set $sysroot in site.exp, and then for 
windres.exp to use $sysroot/mingw/include or some other (perhaps more)
appropriate path relative to sysroot, like $sysroot/$target/include, etc.

Second, windres uses the build system compiler (gcc).  This is ok, I suppose, 
since the cross compiler may not be yet built.  However, this means that for 
the mingw targets, _WIN32 and WIN32 will not be guaranteed to be defined.  
This requires that windres also accept the options "-DWIN32 -D_WIN32".

These two changes could be done alongside the current method of doing things, 
and the hack that hard codes in $src/../../winsup/...." doesn't have to be 
necessairily removed.  However, adding this support would make things a 
heckuva lot easier for targets like x86_64-pc-mingw32.

           Summary: Cross compiling testsuite needs improvement for mingw
           Product: binutils
           Version: unspecified
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: binutils
        AssignedTo: unassigned at sources dot redhat dot com
        ReportedBy: nightstrike at gmail dot com
                CC: bug-binutils at gnu dot org
GCC target triplet: *-*-mingw*


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