[Buildroot] How to build MIPS cross compiler

[Mile Davidovic]

Thanks a lot.
I will try this ASAP.

BR
Mile

On Sun, Feb 24, 2008 at 4:36 AM, Shinya Kuribayashi
<skuribay at ruby.dti.ne.jp> wrote:
>
> Kai Moritz wrote:
>  > Mile Davidovic schrieb:
>  >> Hello,
>  >> I am trying to build MIPS based toolchain, but unfortunately I got
>  >> error with unsupported ABI.
>  >>
>  > Hi Mile,
>  >
>  > I have the same problem.
>  > I have tried out all available combinations of mips and ABI.
>  > None of them worked...
>  >
>  > Bernhard Fischer (rep.dot.nop at gmail.com) send me a link to his personal
>  > git-Branch of buildroot, which is slightly older than trunk from svn.
>  > That branch worked for me.
>  > But I do not know, if it will be merged back into trunk, or when...
>
>  Here's the workable patch suggested by Elizabeth Oldham[1], back in Oct
>  2007. Bernhard also posted a patch[2], but that didn't work due to
>  `--with-abi=o32' for OABI. Do we need --with-abi=32, instead?
>             ^
>
>  Bernhard, Elizabeth, do you have any time to fix this up?
>
>   Shinya
>
>  [1] http://buildroot.uclibc.org/lists/buildroot/2007-October/005742.html
>  [2] http://buildroot.uclibc.org/lists/buildroot/2007-October/005743.html
>
>  Index: target/Config.in.arch
>  ===================================================================
>  --- target/Config.in.arch       (revision 21094)
>  +++ target/Config.in.arch       (working copy)
>  @@ -148,24 +148,25 @@
>         bool "mips 32r2"
>   config BR2_mips_64
>         bool "mips 64"
>  -config BR2_mips_16
>  -       bool "mips 16"
>  +config BR2_mips_64r2
>  +       bool "mips 64r2"
>   endchoice
>
>
>   choice
>         prompt "Target ABI"
>         depends BR2_mips || BR2_mipsel
>  -       default BR2_MIPS_EABI
>  +       default BR_mips_ABI_O32 if BR_mips_32 || BR_mips_32r2
>  +       default BR_mips_ABI_N32 if BR_mips_64 || BR_mips_64r2
>         help
>           Application Binary Interface to use
>
>  -config BR2_MIPS_OABI
>  -       bool "OABI"
>  -config BR2_MIPS_EABI
>  -       bool "EABI"
>  -config BR2_MIPS_ABI64
>  -       bool "N64"
>  +config BR2_MIPS_ABI_O32
>  +       bool "o32"
>  +config BR2_MIPS_ABI_N32
>  +       bool "n32"
>  +config BR2_MIPS_ABI_N64
>  +       bool "n64"
>   endchoice
>
>   choice
>  @@ -589,7 +590,7 @@
>         default mips32          if BR2_mips_32
>         default mips32r2        if BR2_mips_32r2
>         default mips64          if BR2_mips_64
>  -       default mips16          if BR2_mips_16
>  +       default mips64r2        if BR2_mips_64r2
>         default 401             if BR2_powerpc_401
>         default 403             if BR2_powerpc_403
>         default 405             if BR2_powerpc_405
>  @@ -689,11 +690,9 @@
>         default aapcs           if BR2_arm_dunno
>         default aapcs-linux     if BR2_arm_dunno
>         default iwmmxt          if BR2_iwmmxt
>  -       default 32              if BR2_mipsel && BR2_MIPS_OABI
>  -       default n32             if BR2_mipsel && BR2_MIPS_EABI
>  -       default o64             if BR2_mips && BR2_MIPS_OABI
>  -       default eabi            if BR2_mips && BR2_MIPS_EABI
>  -       default 64              if BR2_mips && BR2_MIPS_ABI64
>  +       default 32              if BR2_MIPS_ABI_O32
>  +       default n32             if BR2_MIPS_ABI_N32
>  +       default 64              if BR2_MIPS_ABI_N64
>         default mmixware        if BR2_mmix && BR2_MMIX_ABI_native
>         default gnu             if BR2_mmix && !BR2_MMIX_ABI_native
>         default altivec         if BR2_powerpc && BR2_PPC_ABI_altivec
>