# Clear Linux GCC settings for CFLAGS, CXXFLAGS, etc.

(Has been working well for me, but please test on your own)

export CFFLAGS="-O3 -march=native -mtune=native -pipe -feliminate-unused-debug-types -fexceptions -fstack-protector --param=ssp-buffer-size=32 -m64 -fasynchronous-unwind-tables -ftree-loop-distribute-patterns -malign-data=abi -fno-semantic-interposition -ftree-vectorize -fno-tree-loop-vectorize"

export FFLAGS="-O3 -march=native -mtune=native -pipe -feliminate-unused-debug-types -fexceptions -fstack-protector --param=ssp-buffer-size=32 -m64 -fasynchronous-unwind-tables -ftree-loop-distribute-patterns -malign-data=abi -fno-semantic-interposition -ftree-vectorize -fno-tree-loop-vectorize"

export CXXFLAGS="-O3 -march=native -mtune=native -pipe -feliminate-unused-debug-types -fexceptions -fstack-protector --param=ssp-buffer-size=32 -m64 -fasynchronous-unwind-tables -ftree-loop-distribute-patterns -fno-semantic-interposition -ffat-lto-objects -fno-trapping-math -fvisibility-inlines-hidden -fno-tree-loop-vectorize"

export CFLAGS="-O3 -march=native -mtune=native -pipe -feliminate-unused-debug-types -fexceptions -fstack-protector --param=ssp-buffer-size=32 -m64 -fasynchronous-unwind-tables -ftree-loop-distribute-patterns -fno-semantic-interposition -ffat-lto-objects -fno-trapping-math -fno-tree-loop-vectorize"