[parisc-linux] gcc 3.0 error

[jsoe0708@tiscali.be]

Hi Dave,

>
>> /usr/bin/ld: .libs/libTKernel.la-478.o(.text.1+0x37798): cannot reach
00000387__ZNSolsEPFRSoS_E+0,
>> recompile with -ffunction-sections
>> /usr/bin/ld: .libs/libTKernel.la-478.o(.text.1+0x37798): cannot handle=

>R_PARISC_PCREL17F
>
>> As it is a very long job (more then 12h) what would it be better:
>> 1) simply following advise: "recompile with -ffunction-sections"
>
>Compiling with -ffunction-sections will not fix this problem.  This is
a
>problem with the linker and the part of the error message about recompil=
ing
>with -ffunction-sections is bogus.  The clue is the offset value which
>is within limits.  You have hit a compilation with many small functions
>and the stub group section has overflowed.
>
>Before you trash the build, try using the ld option --stub-group-size
>to set the maximum size of a group of input sections that can be handled=

>by one stub section.  If the link is done with gcc, add something like
>"-Wl,--stub-group-size,-225000" to LDFLAGS.  You want the stub group
>size as large as possible but it can't be larger than 240000.  Negative
>values cause stubs to be located before their branches.  Positive
>stub group sizes allows to two groups of input sections, one before
>and one after each stub section (ld --help).
>
>GCC uses pc relative branches for calls if the distance to the beginning=

>of the translation unit is less than 240000.  It doesn't know how big
>the translation unit is at the time this decision is made, so using
>positive stub group values may cause problems.
>
>There was a bug in GCC's distance calculation under linux.  This is
>fixed in 3.2.2 and later.  3.2.2 is not released yet.  3.3 is coming
>soon (Feb. 15?).
>

Thanks for explanation, clear ;)

>> 2) upgrade directly to gcc-3.2
>
>Won't fix the above.
>
>If you using a PA 2.0 machine, you could use the -mpa-risc-2-0 option.

No :(

>This increases the branch range to 22 bits and the maximum size of the
>stub group section.
>
>I would recommend using 3.3 for C++ builds but this is for other
>reasons.
>
gcc-snapshot may be (already install) or tool chain (it failled for me la=
st
time but I can come back to this before?)

Thanks,
    Joel



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