Makefile | 4 2 + 2 - 0 !
target-libretro/Makefile | 2 1 + 1 - 0 !
2 files changed, 3 insertions(+), 3 deletions(-)

 add environment variables to the build

Makefile | 2 1 + 1 - 0 !
1 file changed, 1 insertion(+), 1 deletion(-)

 use -o2 optimization, not -o3
 -O3 is not considered general-purpose, and building with -O3 causes build
 timeouts on arm64 and s390x.  Build with -O2 instead.