Applying that patch on OSX for causes the output below. I suspect I'd see the same thing on linux.
"/usr/bin/perl" "/Library/Perl/5.18/ExtUtils/xsubpp" -typemap "/System/Library/Perl/5.18/ExtUtils/typemap" Tty.xs > Tty.xsc && mv Tty.xsc Tty.c
cc -c -arch x86_64 -arch i386 -g -pipe -fno-common -DPERL_DARWIN -fno-strict-aliasing -fstack-protector -Os -DVERSION=\"1.13_01\" -DXS_VERSION=\"1.13_01\" "-I/System/Library/Perl/5.18/darwin-thread-multi-2level/CORE" -DHAVE_DEV_PTMX -DHAVE_GRANTPT -DHAVE_OPENPTY -DHAVE_POSIX_OPENPT -DHAVE_PTSNAME -DHAVE_SIGACTION -DHAVE_STRLCPY -DHAVE_TERMIOS_H -DHAVE_TTYNAME -DHAVE_UNLOCKPT -DHAVE_UTIL_H Tty.c
Tty.xs:530:12: warning: implicit declaration of function 'openpty' is invalid in C99 [-Wimplicit-function-declaration]
ret = openpty(ptyfd, ttyfd, NULL, NULL, NULL);
^
Tty.xs:844:9: error: expected ';' at end of declaration
int row
^
;
Tty.xs:845:9: error: expected ';' at end of declaration
int col
^
;
Tty.xs:846:12: error: expected ';' at end of declaration
int xpixel
^
;
Tty.xs:847:12: error: expected ';' at end of declaration
int ypixel
^
;
Tty.xs:866:3: warning: format specifies type 'int' but the argument has type 'STRLEN' (aka 'unsigned long') [-Wformat]
SvCUR(winsize), sizeof(ws));
^~~~~~~~~~~~~~
/System/Library/Perl/5.18/darwin-thread-multi-2level/CORE/sv.h:1222:23: note: expanded from macro 'SvCUR'
# define SvCUR(sv) ((XPV*) SvANY(sv))->xpv_cur
^~~~~~~~~~~~~~~~~~~~~~~~~~~
Tty.xs:866:19: warning: format specifies type 'int' but the argument has type 'unsigned long' [-Wformat]
SvCUR(winsize), sizeof(ws));
^~~~~~~~~~
3 warnings and 4 errors generated.
make: *** [Tty.o] Error 1
