- if test $jm_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then
- AC_TRY_COMPILE([#include <sys/ptem.h>],
- [struct winsize x;],
- [], [jm_cv_sys_struct_winsize_needs_sys_ptem_h=no])
+ if test $gl_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/ptem.h>]],
+ [[struct winsize x;
+ if (sizeof x > 0) return 0;]])],
+ [], [gl_cv_sys_struct_winsize_needs_sys_ptem_h=no])