checking for -Werror=unknown-warning-option... no Failed commandline was: -------------------------------------------------- gcc conftest.c -O2 -pipe -O2 -march=native -fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing -Wall -I. -I$(SRCPATH) -isystem /usr/local/include -O2 -pipe -O2 -march=native -fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing -Werror=unknown-warning-option -fstack-protector-strong -fstack-protector-strong -o conftest cc1: error: -Werror=unknown-warning-option: No option -Wunknown-warning-option cc1: error: unrecognized command line option "-fstack-protector-strong" cc1: error: unrecognized command line option "-fstack-protector-strong" cc1: error: unrecognized command line option "-fstack-protector-strong" cc1: error: unrecognized command line option "-fstack-protector-strong" -------------------------------------------------- Failed program was: -------------------------------------------------- int main (void) { return 0; } -------------------------------------------------- x264 configure script Command line options: "--enable-static" "--enable-shared" "--disable-cli" "--prefix=/usr/local" "--extra-cflags=-isystem" "/usr/local/include" "-O2" "-pipe" "-O2" "-march=native" "-fstack-protector-strong" "-isystem" "/usr/local/include" "-fno-strict-aliasing" "--extra-ldflags=" "-fstack-protector-strong" "--enable-asm" "--disable-debug" "--enable-strip" "--disable-ffms" "--disable-gpac" "--disable-lavf" "--disable-lsmash" "--enable-opencl" "--disable-swscale" checking whether gcc works... no Failed commandline was: -------------------------------------------------- gcc conftest.c -m64 -O2 -pipe -O2 -march=native -fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing -Wall -I. -I$(SRCPATH) -isystem /usr/local/include -O2 -pipe -O2 -march=native -fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing -m64 -fstack-protector-strong -fstack-protector-strong -lm -o conftest cc1: error: unrecognized command line option "-fstack-protector-strong" cc1: error: unrecognized command line option "-fstack-protector-strong" cc1: error: unrecognized command line option "-fstack-protector-strong" cc1: error: unrecognized command line option "-fstack-protector-strong" -------------------------------------------------- Failed program was: -------------------------------------------------- int main (void) { return 0; } -------------------------------------------------- DIED: No working C compiler found.