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Hi! Wales Wang. Newlib doesn't have default target. So you must specify one. like this: gcc -myellowknife hello.c -o hello - Sangmoon Kim - ----- Original Message ----- From: "Wales Wang" <wormwang@yahoo.com> To: <crossgcc@sources.redhat.com> Cc: <khan@nanotech.wisc.edu> Sent: Wednesday, January 09, 2002 11:42 AM Subject: Help about Building Cygwin hosted newlib-based target toolchain > 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 > > > > ------ > Want more information? See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/ > Want to unsubscribe? Send a note to crossgcc-unsubscribe@sources.redhat.com > >
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