Revert "defs/gmake.mk: no _FORTIFY_SOURCE unless optimization"
This reverts commit b8c376cb9d91854fd40f6e06f07773404899b54f, as it seems no longer needed probably.
Revert "defs/gmake.mk: no _FORTIFY_SOURCE unless optimization"
This reverts commit b8c376cb9d91854fd40f6e06f07773404899b54f, as it
seems no longer needed probably.