-#serial 1
+#serial 2
# autoconf tests required for use of xstrtoumax.c
AC_DEFUN(jm_AC_PREREQ_XSTRTOUMAX,
[
- jm_AC_HEADER_INTTYPES_H
+ AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
+ AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
AC_CHECK_HEADERS(stdlib.h)
- AC_CHECK_FUNCS(strtoull strtoumax strtouq)
+
+ AC_CACHE_CHECK([whether <inttypes.h> defines strtoumax as a macro],
+ jm_cv_func_strtoumax_macro,
+ AC_EGREP_CPP([inttypes_h_defines_strtoumax], [#include <inttypes.h>
+#ifdef strtoumax
+ inttypes_h_defines_strtoumax
+#endif],
+ jm_cv_func_strtoumax_macro=yes,
+ jm_cv_func_strtoumax_macro=no))
+
+ if test "$jm_cv_func_strtoumax_macro" != yes; then
+ AC_REPLACE_FUNCS(strtoumax)
+ fi
+
+ dnl We don't need (and can't compile) the replacement strtoull
+ dnl unless the type `unsigned long long' exists.
+ dnl Also, only the replacement strtoumax invokes strtoull,
+ dnl so we need the replacement strtoull only if strtoumax does not exist.
+ case "$ac_cv_type_unsigned_long_long,$jm_cv_func_strtoumax_macro,$ac_cv_func_strtoumax" in
+ yes,no,no)
+ AC_REPLACE_FUNCS(strtoull)
+ ;;
+ esac
+
])