Re: [ECOS] Problem with precompiled Cygwin arm-eabi toolchain

[Sergei Gavrikov <sergei dot gavrikov at gmail dot com>]

Andrew Lunn wrote:
> Kindler wrote:
> > Hello,
> >
> > could anybody successful compile an eCos image for ARM7 architecture  
> > with the new precompiled arm-eabi toolchain for Cygwin?
> >
> > If I use the arm-eabi toolchain the build process stops at the first C  
> > source file hal_mk_defs.c with the following "informative" error message:
> >
> > make -r -C hal/arm/arch/current arm.inc
> > make[1]: Entering directory  
> > `/ecos-d/cygwin/home/Nutzer/workdir/ea2468_new_kernel_01_build/hal/arm/arch/current'
> > arm-eabi-gcc -finline-limit=7000 -g2 -O0  
> > -I/ecos-d/cygwin/home/Nutzer/workdir/ea2468_new_kernel_01_install/include 
> > -I/opt/ecos_web_cvs/ecos/packages/hal/arm/arch/current  
> > -I/opt/ecos_web_cvs/ecos/packages/hal/arm/arch/current/src  
> > -I/opt/ecos_web_cvs/ecos/packages/hal/arm/arch/current/tests -I.  
> > -Wp,-MD,arm.tmp -o hal_mk_defs.tmp -S  
> > /opt/ecos_web_cvs/ecos/packages/hal/arm/arch/current/src/hal_mk_defs.c
> > make[1]: Leaving directory  
> > `/ecos-d/cygwin/home/Nutzer/workdir/ea2468_new_kernel_01_build/hal/arm/arch/current'
> > make[1]: *** [arm.inc] Error 1
> 
> 
> hal_mk_defs is somewhat special. Look at the CDL in hal/arm/arch/...
> 
>     make -priority 1 {
>         arm.inc : <PACKAGE>/src/hal_mk_defs.c
>         $(CC) $(ACTUAL_CFLAGS) $(INCLUDE_PATH) -Wp,-MD,arm.tmp -o hal_mk_defs.tmp -S $<
>         fgrep .equ hal_mk_defs.tmp | sed s/#// > $@
>         @echo $@ ": \\" > $(notdir $@).deps
>         @tail -n +2 arm.tmp >> $(notdir $@).deps
>         @echo >> $(notdir $@).deps
>         @rm arm.tmp hal_mk_defs.tmp
>     }
> 
> It is probably worth figuring out what is actually going wrong. No
> error message from gcc might mean gcc is actually working O.K. and you
> have a silly problem with fgrep, sed, tail, etc...

Hello

Uwe, I remember that in past I did meet same stop, because, one 'tail'
(old one) did know '-N' flag and another one -- '-nN'. And it seemed for
me that build system would try tail '-n2', tail '-2', looking at return
code before to use a kind of the option. Perhap's, that's it.

Sergei



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