[Yhc] More questions when debugging /w arm-elf-gcc

[pierric]

Hi.
2007/7/4, Alexis Morris <akmorris at gmail.com>:
> Hi all,
>
> I have a few "undefined" errors when trying to link iofuncs.o, primitive.o,
> and external.o...anyone know where those missing defines (see below) are
> from?
>
>    #define mpz_ui_pow_ui(r, x, y)  { r[0].value = (Int64)pow(x, y); }  But
> pow(x,y) is undefined...does anyone know where it came from?...was it a part
> of LIBGMP or LIBFFI?
>
It's from the standard math library. So plz add "-lm" when linking to
include the libm.a.

> -  In primitive.c the functions below seem to be undefined too....
>
>    primitive.c:void init_YHC_Primitive(WrapRegisterFun reg,
> void* arg);
>    primitive.c:  init_YHC_Primitive(prim_register, NULL);
> ........
> primitive.c: (.text+0x750): undefined reference to `init_YHC_Primitive'
> external.o: In function `ext_load':
> external.c:(.text+0x170): undefined reference to `dll_open'
> external.c:(.text+0x1c8): undefined reference to `dll_error'
> external.c:(.text+0x1f8): undefined reference to `dll_sym'
> external.c:(.text+0x204): undefined reference to `dll_error'
>
This should related to the shared library. And so do the following
errors which say "dll_**** missing". If your target board doesn't
support shared library, you can just uncomment the "#define NO_SHARED"
in platform.h. Otherwise, just add the "-ldl" when linking.


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