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Re: How to get crt0.o without syscalls (solved?)


Randall Nortman wrote:
On Mon, Oct 17, 2005 at 05:39:31PM -0400, Jeff Johnston wrote:

Randall Nortman wrote:

On Mon, Oct 17, 2005 at 11:45:05AM -0400, Jeff Johnston wrote:
[...]


When you specify --disable-newlib-supplied-syscalls, the code in libgloss/arm is still compiled and there is a crt0.o there.


This does not seem to be the case in 1.13.0.  I get rdimon-crt0.o,
rdpmon-crt0.o, and redboot-crt0.o, but I'm not using any of these
monitors.  I will try with the CVS code when I have some time, since
apparently I ought to be using that anyway.

The missing crt0.o appears to be a typo on my part. The crt0.o is only being built when newlib-supplied-syscalls are enabled, but this doesn't make sense since libc/sys/arm provides a crt0.o in that case. I have just made a patch to the CVS sources. Please try it out.


One more thing has to be done to libgloss/arm/configure.in; the
AC_SUBST macros for the relevant variables are missing, and so they
are never substituted in the Makefile.  Just add these lines and I
think it will work:

AC_SUBST(BUILD_CRT0_TRUE)
AC_SUBST(BUILD_CRT0_FALSE)

I tried this myself but couldn't manage to regenerate configure from
configure.in ("aclocal && autoconf" didn't work), so I just
hand-edited configure and added the substitution code, and then
everything worked.

Yes, this indeed fixes the problem. I have added this in and regenerated configure. Thanks.


-- Jeff J.


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