have_func: checking for labs() in stdlib.h… ——————– yes

“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 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 -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 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: #include <stdlib.h>
4: 
5: /*top*/
6: extern int t(void);
7: int t(void) { void ((*volatile p)()); p = (void ((*)()))labs; return 0; }
8: int main(int argc, char **argv)
9: {

10: if (argc > 1000000) { 11: printf(“%p”, &t); 12: } 13: 14: return 0; 15: } /* end */


have_func: checking for llabs() in stdlib.h… ——————– yes

“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 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: #include <stdlib.h>
4: 
5: /*top*/
6: extern int t(void);
7: int t(void) { void ((*volatile p)()); p = (void ((*)()))llabs; return 0; }
8: int main(int argc, char **argv)
9: {

10: if (argc > 1000000) { 11: printf(“%p”, &t); 12: } 13: 14: return 0; 15: } /* end */