[LLVMdev] libLLVMgold.so: could not load plugin library

[Guoliang Jin]

  On 6/26/2010 10:30 AM, Rafael Espindola wrote:
>> So the gold and the LLVMgold are linked against the same libstdc++. I am
>> using the gcc at /s/gcc-4.3.1/i386_rhel5/bin to compile the LLVM chain.
> Can you run llvm-gcc again with -Wl,-debug? This will show the linker
> line being used. You can then run gdb on it. Try to find what error is
> dlopen reporting. I wonder if gold is calling perror or not when
> dlopen fails (assuming it is dlopen that is failing).
The -Wl,-debug result is like this:
$LLVMGCCPREFIX/lib/gcc/i686-pc-linux-gnu/4.2.1/../../../../i686-pc-linux-gnu/bin/ld 
-plugin 
$LLVMGCCPREFIX/libexec/gcc/i686-pc-linux-gnu/4.2.1/libLLVMgold.so 
-plugin-opt=as=as --eh-frame-hdr -m elf_i386 -dynamic-linker 
/lib/ld-linux.so.2 /usr/lib/crt1.o /usr/lib/crti.o 
$LLVMGCCPREFIX/lib/gcc/i686-pc-linux-gnu/4.2.1/crtbegin.o 
-L$LLVMGCCPREFIX/lib/gcc/i686-pc-linux-gnu/4.2.1 
-L$LLVMGCCPREFIX/lib/gcc/i686-pc-linux-gnu/4.2.1/../../.. 
/tmp/ccnyauaa.o -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc 
--as-needed -lgcc_s --no-as-needed 
$LLVMGCCPREFIX/lib/gcc/i686-pc-linux-gnu/4.2.1/crtend.o /usr/lib/crtn.o
$LLVMGCCPREFIX/lib/gcc/i686-pc-linux-gnu/4.2.1/../../../../i686-pc-linux-gnu/bin/ld: 
error: 
$LLVMGCCPREFIX/libexec/gcc/i686-pc-linux-gnu/4.2.1/libLLVMgold.so: could 
not load plugin library
$LLVMGCCPREFIX/lib/gcc/i686-pc-linux-gnu/4.2.1/../../../../i686-pc-linux-gnu/bin/ld: 
error: /tmp/ccnyauaa.o:1:3: invalid character
$LLVMGCCPREFIX/lib/gcc/i686-pc-linux-gnu/4.2.1/../../../../i686-pc-linux-gnu/bin/ld: 
error: /tmp/ccnyauaa.o:1:3: syntax error, unexpected $end
$LLVMGCCPREFIX/lib/gcc/i686-pc-linux-gnu/4.2.1/../../../../i686-pc-linux-gnu/bin/ld: 
error: /tmp/ccnyauaa.o: not an object or archive
$LLVMGCCPREFIX/lib/gcc/i686-pc-linux-gnu/4.2.1/../../../../i686-pc-linux-gnu/bin/ld: 
/usr/lib/crt1.o:(.text+0x18): error: undefined reference to 'main'

What should I do on gdb?