Avoid -fwhole-program on broken gcc instead of stopping build.

Enhance build to detect and avoid gcc with broken -fwhole-program
Also, remove workaround for older gcc that mess up global exports.
6 files changed
tree: e35991eb7e8ca33a458f7980f2fb5fb95b4d2225
  1. .gitignore
  2. COPYING
  3. COPYING.LESSER
  4. Makefile
  5. README
  6. TODO
  7. src/
  8. tools/
  9. vgasrc/