Re: [gentoo-embedded] emerge ppp with crosscompile problem

[Harald Schioeberg <schioebe@net.in.tum.de>]

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Jakub Ladman wrote:
> Hi everyone.
> I have this problem
> By this script i am trying to emerge ppp ebuild:
> 
> trotl ladmanj # cat memerge
> #!/bin/bash
> 
> ARCH=sh4
> ACCEPT_KEYWORDS="-x86 -~x86 sh ~sh"
> ROOT="/home/ladmanj/work_projects/sh4prj"
> CFLAGS="-Os -pipe"
> CXXFLAGS="${CFLAGS}"
> LDFLAGS="-L${ROOT}/lib -L${ROOT}/usr/lib"
> CBUILD=i686-pc-linux-gnu
> CHOST=sh4-pc-linux-uclibc
> CTARGET=sh4-pc-linux-uclibc
> CC=sh4-pc-linux-uclibc-gcc
> CXX=sh4-pc-linux-uclibc-g++
> PKGDIR=/usr/portage/packages/sh4
> USE="-* -X -kde -gnome -glibc uclibc make-symlinks static dhcp"
> 
> export ARCH ACCEPT_KEYWORDS CFLAGS CXXFLAGS LDFLAGS ROOT CBUILD CHOST CTARGET 
> CC CXX PKGDIR USE
> 
> emerge -b $*
> trotl ladmanj #  
> 
> this is the error i get
> 
> gcc -o dhcpc.so -shared dhcpc.o clientpacket.o packet.o socket.o options.o
> /usr/lib/gcc/i686-pc-linux-gnu/3.4.5/../../../../i686-pc-linux-gnu/bin/ld: 
> dhcpc.o: Relocations in generic ELF (EM: 42)
> dhcpc.o: could not read symbols: File in wrong format
> collect2: ld returned 1 exit status
> make[2]: *** [dhcpc.so] Error 1

things that come up in my mind, perhaps worth trying:

1) it uses the i686-pc-linux-gnu/bin/ld, don't you need the
sh4-pc-linux-uclibc-ld ?
export LD="sh4-pc-linux-uclibc-ld"

2) try adding -fpic or -fPIC to your CFLAGS, relocation error sounds a
bit like that.

3) it uses the gcc to compile a .so
	3a) it should use the sh4-pc-linux-uclibc-gcc
	3b) it shouldn't build a .so at all with USE="-* static"
correct my if i'm wrong, but that sounds that either the dhcp ebuild is
completely broken (unlikely) or your variables don't end up in your emerge.

4) try adding an export ROOT="/path/to/sh4/system" variable, maybe it
gets confused when merging your sh4 binaries to / , maybe it tries to
link something to libs from /

just some wild guesses.
	Harald
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