RTEMS Source Builder build error

[Chris Johns]

ruizx wrote:
> Hi all,
> I try to build 4.11 rtems-powerpc cross compiler in Cygwin.
> When compiling expat, the error occoured.
>
> examples/.libs/lt-elements.c: In function 'main':
> examples/.libs/lt-elements.c:315:3: warning: implicit declaration of function '_spawnv' [-Wimplicit-function-declaration]
> examples/.libs/lt-elements.c:315:19: error: '_P_WAIT' undeclared (first use in this function)
> examples/.libs/lt-elements.c:315:19: note: each undeclared identifier is reported only once for each function it appears in
>
> The compile command is
> ../source-builder/sb-set-builder --log=l-powerpc.txt --prefix=$HOME/development/rtems/4.11 4.11/rtems-powerpc
>
> I find this mail form gnu described the same error, but the method is not usable.
> http://lists.gnu.org/archive/html/libtool/2008-12/msg00056.html
>
> Anyone meet this error? How to solve it?
>

I have not seen this error. I have not been building in Cygwin for a 
while because I could not get it to be stable enough to build all the tools.

As a test can you add '-nno-cygwin' to the optflags in 
source-builder/sb/defaults.mc ? I have no idea what effects this will 
have on the build.

Chris