[Clfs-support] MIPS 32 (big endian)

[Jim Gifford]

Petric Frank wrote:
> Hello,
>
> i tried to build CLFS for a MIPS32 (big endian) platform which has no MMU.
>
> Following guide "Cross-Compiled Linux From Scratch - Embedded - Version 
> SVN-0.0.1-20081203-mips" it went well until i tried to configure uClibc 
> (chapter 6.8.1) with no-MMU. For that after "make oldconfig" i called "make 
> menuconfig" and switched the option "Target CPU has a memory management unit 
> (MMU)" to off. At the same time two lines upper the file format changed from 
> ELF to FDPIC ELF.
>
> If i now try to comile uClibc i get the following output:
> ------------------------- cut -------------------------
>   GEN include/bits/sysnum.h
>   GEN include/bits/uClibc_config.h
>   LN include/pthread.h
>   LN include/semaphore.h
>   LN include/bits/pthreadtypes.h
> [...]
>   LN include/sys/procfs.h
>   LN include/sys/regdef.h
>   LN include/sys/sysmips.h
>   LN include/sys/tas.h
>   LN include/sys/ucontext.h
>   LN include/sys/user.h
>   AS lib/crt1.o
> libc/sysdeps/linux/mips/crt1.S: Assembler messages:
> libc/sysdeps/linux/mips/crt1.S:134: Warning: No .cprestore pseudo-op used in 
> PIC code
>   AS lib/Scrt1.o
> libc/sysdeps/linux/mips/crt1.S: Assembler messages:
> libc/sysdeps/linux/mips/crt1.S:134: Warning: No .cprestore pseudo-op used in 
> PIC code
>   AS lib/crti.o
> cc1: error: unrecognized command line option "-mfdpic"
> make: *** [lib/crti.o] Error 1
> ------------------------- cut -------------------------
>
> Is there a way to fix it ?
> My assemby capabilities are not good enough to do that myself ;-)
>
> Or am i doing that (switching MMU support off) at the wrong place ?
>
> regards
>   Petric
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>   

Uclibc has gone through a lot of changes. After I get CLFS standard 
stabilized, I will concentrate on this book.