[build] Be explicit about -fcommon compiler directive

gcc10 switched default behavior from -fcommon to -fno-common.  Since
"__shared" relies on the legacy behavior, explicitly specify it.

Signed-off-by: Bruce Rogers <brogers@suse.com>
Modified-by: Michael Brown <mcb30@ipxe.org>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
1 file changed
tree: 890fe6658ac58db8596ad02d0f82b177de7960cc
  1. contrib/
  2. src/
  3. .travis.yml
  4. COPYING
  5. COPYING.GPLv2
  6. COPYING.UBDL
  7. README