[HELP] problem while using libgomp with i586-mingw32msvc-gcc

[闫瑾]

HI

I am using i586-mingw32msvc-gcc to cross compile Windows program on Debian
7.1.0.

I test a very simple code:

int main(int argc, char* argv[])
 {
  #pragma omp parallel
   printf("Hello, world.\n");

   return 1;
 }

when I compile it with -fopenmp, I found an error:
$ i586-mingw32msvc-gcc -fopenmp /home/kinian/omp.c -o /home/kinian/omp.exe

i586-mingw32msvc-gcc: libgomp.spec: no such file or directory

then I copy *libgomp.spec* from /usr/lib/gcc/i486-linux-gnu/4.4/ to
/usr/lib/gcc/i586-mingw32msvc/4.4.4/

the error changed:
/usr/lib/gcc/i586-mingw32msvc/4.4.4/../../../../i586-mingw32msvc/bin/ld:
cannot find -lgomp
collect2: ld returned 1 exit status

so I also copy *libgomp.a* from /usr/lib/gcc/i486-linux-gnu/4.4/ to
/usr/lib/gcc/i586-mingw32msvc/4.4.4/
then the error is:
/tmp/ccS8r60e.o:omp.c:(.text+0x26): undefined reference to
`_GOMP_parallel_start'
/tmp/ccS8r60e.o:omp.c:(.text+0x37): undefined reference to
`_GOMP_parallel_end'
collect2: ld returned 1 exit status

I have noticed the version between i486-linux-gnu 4.4 and i586-mingw32msvc
4.4.4 is not matched.
And also the different between native compiler and cross compiler.
But I want to know how to get the correct matched file for i586-mingw32msvc.

Thanks for reply my question.