Patches for eglibc to support cygwin host

Khem Raj
Tue Mar 27 20:56:00 GMT 2012

On Thu, Mar 22, 2012 at 8:02 AM, Ryan Johnson
<> wrote:
> Hi all,
> Thanks for this awesome tool. I'm attaching three patches for eglibc-2.12
> which allowed me to target x86_64-unknown-linux-gnu-gcc (4.5.3 and 4.6.1) on
> both cygwin-1.5 and 1.7 hosts. I suspect the gcc version doesn't matter
> much, and probably the patches would work for other eglibc versions as well
> (they're pretty minimal).
> Notes:
> 1. gcc can't be built with lto/plugin support on a cygwin host (very
> annoying to have the build fail after 2h for that reason). This might have
> been fixed for gcc-4.7 but I haven't tested this on a cross-compiler yet.
> 2. While building posix/cross-getconf, the error is encountered:
> i686-build_pc-cygwin-gcc: command not found.
> Solution: add $XTOOLS/.build/$TARGET/buildtools/bin to $PATH before starting
> the build (the dir will be created as part of the build)
> 3. Run rebaseall before starting. Enable save states. If you encounter fork
> errors while a just-built gcc is running: background the build just after it
> finishes extracting the offending state, then issue the following command
> (from the .build directory): rebase -sv $(find . -name "*.dll").

Can you also send these patches to eglibc mailing lists please.

> Enjoy!
> Ryan
> --
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