File: //usr/local/rvm/src/ruby-2.7.4/ext/pty/mkmf.log
have_header: checking for sys/stropts.h... -------------------- no
"gcc -o conftest -I../../.ext/include/x86_64-linux -I../.././include -I../.././ext/pty -I../.. -I../../. -g -O2 -fPIC conftest.c -L. -L../.. -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/rvm/rubies/ruby-2.7.4/lib -L/usr/local/rvm/rubies/ruby-2.7.4/lib -lruby-static -lz -lpthread -lrt -lrt -ldl -lcrypt -lm -lm -lc"
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: int main(int argc, char **argv)
4: {
5: return !!argv[argc];
6: }
/* end */
"gcc -E -I../../.ext/include/x86_64-linux -I../.././include -I../.././ext/pty -I../.. -I../../. -g -O2 -fPIC conftest.c -o conftest.i"
conftest.c:3:10: fatal error: sys/stropts.h: No such file or directory
#include <sys/stropts.h>
^~~~~~~~~~~~~~~
compilation terminated.
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: #include <sys/stropts.h>
/* end */
--------------------
have_func: checking for setresuid()... -------------------- yes
"gcc -o conftest -I../../.ext/include/x86_64-linux -I../.././include -I../.././ext/pty -I../.. -I../../. -g -O2 -fPIC conftest.c -L. -L../.. -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/rvm/rubies/ruby-2.7.4/lib -L/usr/local/rvm/rubies/ruby-2.7.4/lib -lruby-static -lz -lpthread -lrt -lrt -ldl -lcrypt -lm -lm -lc"
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: /*top*/
4: extern int t(void);
5: int main(int argc, char **argv)
6: {
7: if (argc > 1000000) {
8: int (* volatile tp)(void)=(int (*)(void))&t;
9: printf("%d", (*tp)());
10: }
11:
12: return !!argv[argc];
13: }
14: int t(void) { void ((*volatile p)()); p = (void ((*)()))setresuid; return !p; }
/* end */
--------------------
have_header: checking for libutil.h... -------------------- no
"gcc -E -I../../.ext/include/x86_64-linux -I../.././include -I../.././ext/pty -I../.. -I../../. -g -O2 -fPIC conftest.c -o conftest.i"
conftest.c:3:10: fatal error: libutil.h: No such file or directory
#include <libutil.h>
^~~~~~~~~~~
compilation terminated.
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: #include <libutil.h>
/* end */
--------------------
have_header: checking for util.h... -------------------- no
"gcc -E -I../../.ext/include/x86_64-linux -I../.././include -I../.././ext/pty -I../.. -I../../. -g -O2 -fPIC conftest.c -o conftest.i"
conftest.c:3:10: fatal error: util.h: No such file or directory
#include <util.h>
^~~~~~~~
compilation terminated.
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: #include <util.h>
/* end */
--------------------
have_header: checking for pty.h... -------------------- yes
"gcc -E -I../../.ext/include/x86_64-linux -I../.././include -I../.././ext/pty -I../.. -I../../. -g -O2 -fPIC conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: #include <pty.h>
/* end */
--------------------
have_header: checking for pwd.h... -------------------- yes
"gcc -E -I../../.ext/include/x86_64-linux -I../.././include -I../.././ext/pty -I../.. -I../../. -g -O2 -fPIC conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: #include <pwd.h>
/* end */
--------------------
have_library: checking for openpty() in -lutil... -------------------- yes
"gcc -o conftest -I../../.ext/include/x86_64-linux -I../.././include -I../.././ext/pty -I../.. -I../../. -g -O2 -fPIC conftest.c -L. -L../.. -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/rvm/rubies/ruby-2.7.4/lib -L/usr/local/rvm/rubies/ruby-2.7.4/lib -lruby-static -lz -lpthread -lrt -lrt -ldl -lcrypt -lm -lutil -lm -lc"
conftest.c: In function ‘t’:
conftest.c:14:57: error: ‘openpty’ undeclared (first use in this function); did you mean ‘optopt’?
int t(void) { void ((*volatile p)()); p = (void ((*)()))openpty; return !p; }
^~~~~~~
optopt
conftest.c:14:57: note: each undeclared identifier is reported only once for each function it appears in
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: /*top*/
4: extern int t(void);
5: int main(int argc, char **argv)
6: {
7: if (argc > 1000000) {
8: int (* volatile tp)(void)=(int (*)(void))&t;
9: printf("%d", (*tp)());
10: }
11:
12: return !!argv[argc];
13: }
14: int t(void) { void ((*volatile p)()); p = (void ((*)()))openpty; return !p; }
/* end */
"gcc -o conftest -I../../.ext/include/x86_64-linux -I../.././include -I../.././ext/pty -I../.. -I../../. -g -O2 -fPIC conftest.c -L. -L../.. -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/rvm/rubies/ruby-2.7.4/lib -L/usr/local/rvm/rubies/ruby-2.7.4/lib -lruby-static -lz -lpthread -lrt -lrt -ldl -lcrypt -lm -lutil -lm -lc"
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: /*top*/
4: extern int t(void);
5: int main(int argc, char **argv)
6: {
7: if (argc > 1000000) {
8: int (* volatile tp)(void)=(int (*)(void))&t;
9: printf("%d", (*tp)());
10: }
11:
12: return !!argv[argc];
13: }
14: extern void openpty();
15: int t(void) { openpty(); return 0; }
/* end */
--------------------
have_func: checking for posix_openpt()... -------------------- yes
"gcc -o conftest -I../../.ext/include/x86_64-linux -I../.././include -I../.././ext/pty -I../.. -I../../. -g -O2 -fPIC conftest.c -L. -L../.. -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -lutil -Wl,-rpath,/usr/local/rvm/rubies/ruby-2.7.4/lib -L/usr/local/rvm/rubies/ruby-2.7.4/lib -lruby-static -lz -lpthread -lrt -lrt -ldl -lcrypt -lm -lutil -lm -lc"
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: /*top*/
4: extern int t(void);
5: int main(int argc, char **argv)
6: {
7: if (argc > 1000000) {
8: int (* volatile tp)(void)=(int (*)(void))&t;
9: printf("%d", (*tp)());
10: }
11:
12: return !!argv[argc];
13: }
14: int t(void) { void ((*volatile p)()); p = (void ((*)()))posix_openpt; return !p; }
/* end */
--------------------
extconf.h is:
/* begin */
1: #ifndef EXTCONF_H
2: #define EXTCONF_H
3: #define HAVE_SETRESUID 1
4: #define HAVE_PTY_H 1
5: #define HAVE_PWD_H 1
6: #define HAVE_POSIX_OPENPT 1
7: #endif
/* end */