Re: gcc can't compile, egcc can!??

[servis@purdue.edu]

On 13 Jun, Zack Weinberg wrote:
> 
> C vs. C++ aside, there's a real problem here.  The symbols
> __libc_init_first and _environ ought to be defined in libc.so; I'd
> guess that gcc isn't telling the linker to pull in libc.
> 
> What do you get if you do this:
> 
> gcc -v -o hello hello.c
> 
> [Note I'm not actually on the mailing list, please cc: me on replies.]
> 
> zw

Zack,

This is what I get:

% gcc -v -o hello hello.c
gcc version 2.7.2.3
 /usr/lib/gcc-lib/i486-linux/2.7.2.3/cpp -lang-c -v -undef -D__GNUC__=2 -D__GNUC_MINOR__=7 -D__ELF__ -Dunix -Di386 -Dlinux -D__ELF__ -D__unix__ -D__i386__ -D__linux__ -D__unix -D__i386 -D__linux -Asystem(unix) -Asystem(posix) -Acpu(i386) -Amachine(i386) hello.c /tmp/ccb01600
GNU CPP version 2.7.2.3 (i386 Linux/ELF)
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /usr/i486-linux/include
 /usr/lib/gcc-lib/i486-linux/2.7.2.3/include
 /usr/include
End of search list.
 /usr/lib/gcc-lib/i486-linux/2.7.2.3/cc1 /tmp/ccb01600 -quiet -dumpbase hello.c -version -o /tmp/ccc01600
GNU C version 2.7.2.3 (i386 Linux/ELF) compiled by GNU C version 2.7.2.3.
 as -V -Qy /tmp/ccc01600 -o /tmp/ccd01600
GNU assembler version 2.9.1 (i486-linux), using BFD version 2.9.1
 ld -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 -o hello /usr/lib/crt1.o /usr/lib/crti.o /usr/lib/gcc-lib/i486-linux/2.7.2.3/crtbegin.o -L/usr/lib/gcc-lib/i486-linux/2.7.2.3 /tmp/ccd01600 -lgcc -lc -lgcc /usr/lib/gcc-lib/i486-linux/2.7.2.3/crtend.o /usr/lib/crtn.o
/usr/lib/crt1.o(.text+0xe): undefined reference to `__libc_init_first'
/usr/lib/crt1.o(.text+0x18): undefined reference to `_environ'

Thanks for any input.

Brian



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