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Re: invalid option for gcc?


> I'm trying to build a kernel for an arm processor.
> I first tried using gcc-2.95.4
> "gcc version 2.95.4  (Debian prerelease)"
> and then
> tried gcc-3.0
> "gcc version 3.0.3"
> 
> The man page for gcc-2.95.4 does not mention the possibility
> to cross compile to an arm procesor? is it true? (It seems
> 2.95.2 can do that?)
> The man page for gcc-3.0 does mention the arm options, but in
> both case (gcc-3.0.3 and gcc 2.95.4) it fails with the
> following error message: (the invalid options)
> 
> gcc-3.0 -D__KERNEL__ -I/usr/src/kernel-source-2.4.16/include -Wall
> -Wstrict-prototypes -Wno-trigraphs -O2  -fno-strict-aliasing
> -fno-common  -g -mapcs-32 -march=armv4 -mtune=strongarm1100
> -mshort-load-bytes -msoft-float   -c -o init/main.o init/main.c
> cc1: Invalid option `apcs-32'
> cc1: Invalid option `tune=strongarm1100'
> cc1: Invalid option `short-load-bytes'
> cc1: bad value (armv4) for -march= switch
> 

All those options are valid, though -mshort-load-bytes is deprecated (use 
-malignment-traps).

You are probably picking up a native compiler under the same name.  Check 
your PATH.

R.


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