Help about Building Cygwin hosted newlib-based target toolchain
Wales Wang
wormwang@yahoo.com
Wed Jan 9 00:00:00 GMT 2002
Hi! All
I have succeed on building the cross platform gcc
environment after Mumit's howto.
I used binutils 2.11.2,gcc 2.95.3,newlib-1.9.0.
But when I try a test c program in the howto
#include <stdio.h>
int
main()
{
printf("hello world\n");
return 0;
}
I encounter such error:
/usr/local/powerpc/powerpc-eabi/bin/ld: warning:
cannot find entry symbol _start; defaulting to
01800074
/cygdrive/c/DOCUME~1/ADMINI~1/LOCALS~1/Temp/cckg9axq.o:
In function `main':
/cygdrive/c/DOCUME~1/ADMINI~1/LOCALS~1/Temp/cckg9axq.o(.text+0x24):
undefined reference to `printf'
/usr/local/powerpc/lib/gcc-lib/powerpc-eabi/2.95.3/libgcc.a(eabi.o)(.got2+0x8):
undefined reference to `__SDATA_START__'
/usr/local/powerpc/lib/gcc-lib/powerpc-eabi/2.95.3/libgcc.a(eabi.o)(.got2+0xc):
undefined reference to `__SBSS_END__'
/usr/local/powerpc/lib/gcc-lib/powerpc-eabi/2.95.3/libgcc.a(eabi.o)(.got2+0x14):
undefined reference to `__SDATA2_START__'
/usr/local/powerpc/lib/gcc-lib/powerpc-eabi/2.95.3/libgcc.a(eabi.o)(.got2+0x18):
undefined reference to `__SBSS2_END__'
/usr/local/powerpc/lib/gcc-lib/powerpc-eabi/2.95.3/libgcc.a(eabi-ctors.o):
In function `__do_global_ctors':
/cygdrive/c/unix/CrossGcc/BUILD/gcc/gcc/eabi-ctors.c(.text+0x1e):
undefined reference to `__CTOR_END__'
/cygdrive/c/unix/CrossGcc/BUILD/gcc/gcc/eabi-ctors.c(.text+0x26):
undefined reference to `__CTOR_LIST__'
/cygdrive/c/unix/CrossGcc/BUILD/gcc/gcc/eabi-ctors.c(.text+0x2a):
undefined reference to `__CTOR_LIST__'
/cygdrive/c/unix/CrossGcc/BUILD/gcc/gcc/eabi-ctors.c(.text+0x2e):
undefined reference to `__CTOR_END__'
/usr/local/powerpc/lib/gcc-lib/powerpc-eabi/2.95.3/libgcc.a(eabi-ctors.o):
In function `__do_global_dtors':
/cygdrive/c/unix/CrossGcc/BUILD/gcc/gcc/eabi-ctors.c(.text+0xae):
undefined reference to `__DTOR_LIST__'
/cygdrive/c/unix/CrossGcc/BUILD/gcc/gcc/eabi-ctors.c(.text+0xb6):
undefined reference to `__DTOR_END__'
/cygdrive/c/unix/CrossGcc/BUILD/gcc/gcc/eabi-ctors.c(.text+0xba):
undefined reference to `__DTOR_END__'
/cygdrive/c/unix/CrossGcc/BUILD/gcc/gcc/eabi-ctors.c(.text+0xbe):
undefined reference to `__DTOR_LIST__'
/usr/local/powerpc/lib/gcc-lib/powerpc-eabi/2.95.3/libgcc.a(eabi-ctors.o):
In function `__do_global_ctors':
/cygdrive/c/unix/CrossGcc/BUILD/gcc/gcc/eabi-ctors.c(.sdata+0x0):
undefined reference to `__init'
/cygdrive/c/unix/CrossGcc/BUILD/gcc/gcc/eabi-ctors.c(.sdata+0x4):
undefined reference to `__fini'
collect2: ld returned 1 exit status
Any one can help me?
Thank you very much!
sincerely
Wales Wang
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