“gcc -o conftest -I/usr/include/x86_64-linux -I/usr/include/ruby/backward -I/usr/include -I. -O2 -g -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector –param=ssp-buffer-size=4 -fPIC -fPIC -Wall -funroll-loops conftest.c -L. -L/usr/lib64 -L. -Wl,–as-needed -Wl,–no-undefined -Wl,-z,relro -Wl,-O1 -Wl,–build-id -Wl,–enable-new-dtags -fstack-protector -rdynamic -Wl,-export-dynamic -lruby -lpthread -lrt -ldl -lcrypt -lm -lc” checked program was:

begin

1: include “ruby.h” 2: 3: int main(int argc, char **argv) 4: { 5: return 0; 6: }

end

“gcc -I/usr/include/x86_64-linux -I/usr/include/ruby/backward -I/usr/include -I. -O2 -g -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector –param=ssp-buffer-size=4 -fPIC -fPIC -Wall -funroll-loops -c conftest.c” checked program was: /* begin */ 1: include “ruby.h” 2: 3: include <ruby.h> 4: int main(void) { rb_cvar_set(Qnil, Qnil, Qnil); return 0; } /* end */