Re: Cross compiling : problem linking

In message <1065101196.10206.7.camel@toni> you wrote:

Reduced the error to:

toni rt_mod # make
ppc_4xx-gcc -g -O -Werror   -c -o rt_mod.o rt_mod.c
ppc_4xx-gcc -nostartfiles -fno-exceptions -fno-builtin  -o rt_mod
rt_mod.o
/opt/eldk/usr/ppc-linux/bin/ld: warning: cannot find entry symbol
_start; defaulting to 10000184
rt_mod.o: In function `block_wave':
/ppc/rt_mod/rt_mod.c:14: undefined reference to `outb'
/ppc/rt_mod/rt_mod.c:14: relocation truncated to fit: R_PPC_REL24 outb
rt_mod.o: In function `main':
/ppc/rt_mod/rt_mod.c:21: undefined reference to `iopl'
/ppc/rt_mod/rt_mod.c:21: relocation truncated to fit: R_PPC_REL24 iopl
collect2: ld returned 1 exit status
make: *** [rt_mod] Fout 1

The header files and/or compiler and linker options you are using are
not correct for the target environment you have.

Without more information (i. e. what sort of code this is and how you
intend it to run - stdandalone, in kernel or in user context)  nobody
can help you.

Best regards,

Wolfgang Denk

--
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd@denx.de
Sorry, but my karma just ran over your dogma.

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