+ gl_cv_func_vsnprintf_usable=no
+ AC_CHECK_FUNCS([vsnprintf])
+ if test $ac_cv_func_vsnprintf = yes; then
+ gl_SNPRINTF_SIZE1
+ case "$gl_cv_func_snprintf_size1" in
+ *yes)
+ gl_SNPRINTF_RETVAL_C99
+ case "$gl_cv_func_snprintf_retval_c99" in
+ *yes)
+ gl_PRINTF_POSITIONS
+ case "$gl_cv_func_printf_positions" in
+ *yes)
+ gl_cv_func_vsnprintf_usable=yes
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ if test $gl_cv_func_vsnprintf_usable = no; then
+ gl_REPLACE_VSNPRINTF
+ fi
+ AC_CHECK_DECLS_ONCE([vsnprintf])