Re: [PATCH: sysroot branch] [cygwin] Minor sysroot fixups.

[Roumen Petrov]

Charles Wilson wrote:
> On 8/23/2010 1:44 AM, Ralf Wildenhues wrote:
> > * Charles Wilson wrote on Mon, Aug 23, 2010 at 07:35:59AM CEST:
> > > libltdl/m4/libtool.m4 (_LT_WITH_SYSROOT): Fix typo.
> > > tests/sysroot.at: Search also for crt0.o to accomodate cygwin.
> >
> > accommodate
>
> fixed.
>
> > > Discovered a few minor issues while testing with linux->cygwin
> > > cross compiler.
> >
> > How did the crt2.o issue manifest itself (best cut and paste error
> > so web searches will find this thread)?
>
> checking for sysroot...no
>
> when the toolchain *does* support sysroots.  Basically, if sysroot.at
> can't figure out both the sysroot AND the prefix *under* the sysroot, it
> skips the test (I think this is the right behavior).
>
> The problem was that cygwin doesn't have crt1.o, crt2.o, or crti.o, so
> all of the attempts to determine the prefix failed.
>
> --
> Chuck

$ /opt/mingw/i386-mingw32msvc/bin/gcc --print-file-name crt0.o; echo $?
crt0.o
0

$ /opt/mingw/i386-mingw32msvc/bin/gcc --print-file-name crt1.o; echo $?
/opt/mingw/lib/gcc/i386-mingw32msvc/3.4.5/../../../../i386-mingw32msvc/lib/crt1.o
0


This is my result is cross-compiler is not build with sysroot.

Roumen