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#serial 2
dnl Cloned from xstrtoumax.m4. Keep these files in sync.
# autoconf tests required for use of xstrtoimax.c
AC_DEFUN([jm_AC_PREREQ_XSTRTOIMAX],
[
AC_REQUIRE([jm_AC_TYPE_INTMAX_T])
AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
AC_CHECK_DECLS([strtol, strtoul, strtoll, strtoimax, strtoumax])
AC_CHECK_HEADERS(limits.h stdlib.h inttypes.h)
AC_CACHE_CHECK([whether <inttypes.h> defines strtoimax as a macro],
jm_cv_func_strtoimax_macro,
AC_EGREP_CPP([inttypes_h_defines_strtoimax], [#include <inttypes.h>
#ifdef strtoimax
inttypes_h_defines_strtoimax
#endif],
jm_cv_func_strtoimax_macro=yes,
jm_cv_func_strtoimax_macro=no))
if test "$jm_cv_func_strtoimax_macro" != yes; then
AC_REPLACE_FUNCS(strtoimax)
fi
dnl Only the replacement strtoimax invokes strtol and strtoll,
dnl so we need the replacements only if strtoimax does not exist.
case "$jm_cv_func_strtoimax_macro,$ac_cv_func_strtoimax" in
no,no)
AC_REPLACE_FUNCS(strtol)
dnl We don't need (and can't compile) the replacement strtoll
dnl unless the type `long long' exists.
if test "$ac_cv_type_long_long" = yes; then
AC_REPLACE_FUNCS(strtoll)
fi
;;
esac
])
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