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have_func: checking for rb_io_path()... -------------------- no

"gcc -o conftest -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC conftest.c  -L. -L/opt/cpanel/ea-ruby27/root/usr/lib64 -L. -Wl,-rpath=/opt/cpanel/ea-ruby27/root/usr/lib64 -fstack-protector-strong -rdynamic -Wl,-export-dynamic  -m64   -lruby  -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 -o conftest -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC conftest.c  -L. -L/opt/cpanel/ea-ruby27/root/usr/lib64 -L. -Wl,-rpath=/opt/cpanel/ea-ruby27/root/usr/lib64 -fstack-protector-strong -rdynamic -Wl,-export-dynamic  -m64   -lruby  -lm   -lc"
conftest.c: In function 't':
conftest.c:14:57: error: 'rb_io_path' undeclared (first use in this function); did you mean 'rb_io_puts'?
 int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_io_path; return !p; }
                                                         ^~~~~~~~~~
                                                         rb_io_puts
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 ((*)()))rb_io_path; return !p; }
/* end */

"gcc -o conftest -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC conftest.c  -L. -L/opt/cpanel/ea-ruby27/root/usr/lib64 -L. -Wl,-rpath=/opt/cpanel/ea-ruby27/root/usr/lib64 -fstack-protector-strong -rdynamic -Wl,-export-dynamic  -m64   -lruby  -lm   -lc"
/root/tmp/ccseTKCE.o: In function `t':
/opt/cpanel/ea-ruby27/root/usr/local/share/gems/gems/io-console-0.7.1/ext/io/console/conftest.c:15: undefined reference to `rb_io_path'
collect2: error: ld returned 1 exit status
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 rb_io_path();
15: int t(void) { rb_io_path(); return 0; }
/* end */

--------------------

have_func: checking for rb_io_descriptor()... -------------------- no

"gcc -o conftest -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC conftest.c  -L. -L/opt/cpanel/ea-ruby27/root/usr/lib64 -L. -Wl,-rpath=/opt/cpanel/ea-ruby27/root/usr/lib64 -fstack-protector-strong -rdynamic -Wl,-export-dynamic  -m64   -lruby  -lm   -lc"
conftest.c: In function 't':
conftest.c:14:57: error: 'rb_io_descriptor' undeclared (first use in this function); did you mean 'rb_io_get_io'?
 int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_io_descriptor; return !p; }
                                                         ^~~~~~~~~~~~~~~~
                                                         rb_io_get_io
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 ((*)()))rb_io_descriptor; return !p; }
/* end */

"gcc -o conftest -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC conftest.c  -L. -L/opt/cpanel/ea-ruby27/root/usr/lib64 -L. -Wl,-rpath=/opt/cpanel/ea-ruby27/root/usr/lib64 -fstack-protector-strong -rdynamic -Wl,-export-dynamic  -m64   -lruby  -lm   -lc"
/root/tmp/ccOQSHtK.o: In function `t':
/opt/cpanel/ea-ruby27/root/usr/local/share/gems/gems/io-console-0.7.1/ext/io/console/conftest.c:15: undefined reference to `rb_io_descriptor'
collect2: error: ld returned 1 exit status
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 rb_io_descriptor();
15: int t(void) { rb_io_descriptor(); return 0; }
/* end */

--------------------

have_func: checking for rb_io_get_write_io()... -------------------- yes

"gcc -o conftest -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC conftest.c  -L. -L/opt/cpanel/ea-ruby27/root/usr/lib64 -L. -Wl,-rpath=/opt/cpanel/ea-ruby27/root/usr/lib64 -fstack-protector-strong -rdynamic -Wl,-export-dynamic  -m64   -lruby  -lm   -lc"
conftest.c: In function 't':
conftest.c:14:57: error: 'rb_io_get_write_io' undeclared (first use in this function); did you mean 'rb_io_get_io'?
 int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_io_get_write_io; return !p; }
                                                         ^~~~~~~~~~~~~~~~~~
                                                         rb_io_get_io
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 ((*)()))rb_io_get_write_io; return !p; }
/* end */

"gcc -o conftest -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC conftest.c  -L. -L/opt/cpanel/ea-ruby27/root/usr/lib64 -L. -Wl,-rpath=/opt/cpanel/ea-ruby27/root/usr/lib64 -fstack-protector-strong -rdynamic -Wl,-export-dynamic  -m64   -lruby  -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 rb_io_get_write_io();
15: int t(void) { rb_io_get_write_io(); return 0; }
/* end */

--------------------

have_func: checking for rb_io_closed_p()... -------------------- no

"gcc -o conftest -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC conftest.c  -L. -L/opt/cpanel/ea-ruby27/root/usr/lib64 -L. -Wl,-rpath=/opt/cpanel/ea-ruby27/root/usr/lib64 -fstack-protector-strong -rdynamic -Wl,-export-dynamic  -m64   -lruby  -lm   -lc"
conftest.c: In function 't':
conftest.c:14:57: error: 'rb_io_closed_p' undeclared (first use in this function); did you mean 'rb_io_close'?
 int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_io_closed_p; return !p; }
                                                         ^~~~~~~~~~~~~~
                                                         rb_io_close
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 ((*)()))rb_io_closed_p; return !p; }
/* end */

"gcc -o conftest -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC conftest.c  -L. -L/opt/cpanel/ea-ruby27/root/usr/lib64 -L. -Wl,-rpath=/opt/cpanel/ea-ruby27/root/usr/lib64 -fstack-protector-strong -rdynamic -Wl,-export-dynamic  -m64   -lruby  -lm   -lc"
/root/tmp/ccf7qqia.o: In function `t':
/opt/cpanel/ea-ruby27/root/usr/local/share/gems/gems/io-console-0.7.1/ext/io/console/conftest.c:15: undefined reference to `rb_io_closed_p'
collect2: error: ld returned 1 exit status
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 rb_io_closed_p();
15: int t(void) { rb_io_closed_p(); return 0; }
/* end */

--------------------

have_func: checking for rb_io_open_descriptor()... -------------------- no

"gcc -o conftest -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC conftest.c  -L. -L/opt/cpanel/ea-ruby27/root/usr/lib64 -L. -Wl,-rpath=/opt/cpanel/ea-ruby27/root/usr/lib64 -fstack-protector-strong -rdynamic -Wl,-export-dynamic  -m64   -lruby  -lm   -lc"
conftest.c: In function 't':
conftest.c:14:57: error: 'rb_io_open_descriptor' undeclared (first use in this function); did you mean 'rb_file_open_str'?
 int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_io_open_descriptor; return !p; }
                                                         ^~~~~~~~~~~~~~~~~~~~~
                                                         rb_file_open_str
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 ((*)()))rb_io_open_descriptor; return !p; }
/* end */

"gcc -o conftest -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC conftest.c  -L. -L/opt/cpanel/ea-ruby27/root/usr/lib64 -L. -Wl,-rpath=/opt/cpanel/ea-ruby27/root/usr/lib64 -fstack-protector-strong -rdynamic -Wl,-export-dynamic  -m64   -lruby  -lm   -lc"
/root/tmp/ccii77Gc.o: In function `t':
/opt/cpanel/ea-ruby27/root/usr/local/share/gems/gems/io-console-0.7.1/ext/io/console/conftest.c:15: undefined reference to `rb_io_open_descriptor'
collect2: error: ld returned 1 exit status
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 rb_io_open_descriptor();
15: int t(void) { rb_io_open_descriptor(); return 0; }
/* end */

--------------------

"gcc -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC -m64  -c conftest.c"
conftest.c:5:3: error: #error 
 # error
   ^~~~~
conftest.c:6:1: error: expected identifier or '(' before '|' token
 |:/ === _WIN32 undefined === /:|
 ^
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: /*top*/
4: #ifndef _WIN32
5: # error
6: |:/ === _WIN32 undefined === /:|
7: #endif
/* end */

have_header: checking for termios.h... -------------------- yes

"gcc -E -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: #include <termios.h>
/* end */

--------------------

have_func: checking for cfmakeraw() in termios.h... -------------------- yes

"gcc -o conftest -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC conftest.c  -L. -L/opt/cpanel/ea-ruby27/root/usr/lib64 -L. -Wl,-rpath=/opt/cpanel/ea-ruby27/root/usr/lib64 -fstack-protector-strong -rdynamic -Wl,-export-dynamic  -m64   -lruby  -lm   -lc"
checked program was:
/* begin */
 1: #include "ruby.h"
 2: 
 3: #include <termios.h>
 4: 
 5: /*top*/
 6: extern int t(void);
 7: int main(int argc, char **argv)
 8: {
 9:   if (argc > 1000000) {
10:     int (* volatile tp)(void)=(int (*)(void))&t;
11:     printf("%d", (*tp)());
12:   }
13: 
14:   return !!argv[argc];
15: }
16: int t(void) { void ((*volatile p)()); p = (void ((*)()))cfmakeraw; return !p; }
/* end */

--------------------

have_header: checking for sys/ioctl.h... -------------------- yes

"gcc -E -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: #include <sys/ioctl.h>
/* end */

--------------------

have_macro: checking for HAVE_RUBY_FIBER_SCHEDULER_H... -------------------- no

"gcc -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC -m64  -c conftest.c"
conftest.c:5:3: error: #error 
 # error
   ^~~~~
conftest.c:6:1: error: expected identifier or '(' before '|' token
 |:/ === HAVE_RUBY_FIBER_SCHEDULER_H undefined === /:|
 ^
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: /*top*/
4: #ifndef HAVE_RUBY_FIBER_SCHEDULER_H
5: # error
6: |:/ === HAVE_RUBY_FIBER_SCHEDULER_H undefined === /:|
7: #endif
/* end */

--------------------

have_func: checking for rb_scheduler_timeout()... -------------------- no

"gcc -o conftest -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC conftest.c  -L. -L/opt/cpanel/ea-ruby27/root/usr/lib64 -L. -Wl,-rpath=/opt/cpanel/ea-ruby27/root/usr/lib64 -fstack-protector-strong -rdynamic -Wl,-export-dynamic  -m64   -lruby  -lm   -lc"
conftest.c: In function 't':
conftest.c:14:57: error: 'rb_scheduler_timeout' undeclared (first use in this function); did you mean 'rb_str_times'?
 int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_scheduler_timeout; return !p; }
                                                         ^~~~~~~~~~~~~~~~~~~~
                                                         rb_str_times
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 ((*)()))rb_scheduler_timeout; return !p; }
/* end */

"gcc -o conftest -I/opt/cpanel/ea-ruby27/root/usr/include -I/opt/cpanel/ea-ruby27/root/usr/include/ruby/backward -I/opt/cpanel/ea-ruby27/root/usr/include -I.    -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC conftest.c  -L. -L/opt/cpanel/ea-ruby27/root/usr/lib64 -L. -Wl,-rpath=/opt/cpanel/ea-ruby27/root/usr/lib64 -fstack-protector-strong -rdynamic -Wl,-export-dynamic  -m64   -lruby  -lm   -lc"
/root/tmp/ccG7LCbO.o: In function `t':
/opt/cpanel/ea-ruby27/root/usr/local/share/gems/gems/io-console-0.7.1/ext/io/console/conftest.c:15: undefined reference to `rb_scheduler_timeout'
collect2: error: ld returned 1 exit status
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 rb_scheduler_timeout();
15: int t(void) { rb_scheduler_timeout(); return 0; }
/* end */

--------------------