Enhance gcc test for visible variables with -fwhole-program.

Add 'extern' decl before variable test - some older compilers wont
    mark a variable visible if an extern decl precedes it.
1 file changed
tree: 6765950167fe6553fe220f792f0a26fa75a3c197
  1. .gitignore
  2. COPYING
  3. COPYING.LESSER
  4. Makefile
  5. README
  6. TODO
  7. src/
  8. tools/
  9. vgasrc/