- # vsnprintf exists and is
- # already POSIX compliant.
- gl_cv_func_vsnprintf_posix=yes
+ case "$gl_cv_func_snprintf_size1" in
+ *yes)
+ case "$gl_cv_func_vsnprintf_zerosize_c99" in
+ *yes)
+ # vsnprintf exists and is
+ # already POSIX compliant.
+ gl_cv_func_vsnprintf_posix=yes
+ ;;
+ esac
+ ;;
+ esac