1#serial 4 2 3# autoconf tests required for use of xstrtoumax.c 4 5AC_DEFUN([jm_AC_PREREQ_XSTRTOUMAX], 6[ 7 AC_REQUIRE([jm_AC_TYPE_INTMAX_T]) 8 AC_REQUIRE([jm_AC_TYPE_UINTMAX_T]) 9 AC_REQUIRE([jm_AC_TYPE_LONG_LONG]) 10 AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG]) 11 AC_CHECK_DECLS([strtol, strtoul, strtoull, strtoimax, strtoumax]) 12 AC_CHECK_HEADERS(limits.h stdlib.h inttypes.h) 13 14 AC_CACHE_CHECK([whether <inttypes.h> defines strtoumax as a macro], 15 jm_cv_func_strtoumax_macro, 16 AC_EGREP_CPP([inttypes_h_defines_strtoumax], [#include <inttypes.h> 17#ifdef strtoumax 18 inttypes_h_defines_strtoumax 19#endif], 20 jm_cv_func_strtoumax_macro=yes, 21 jm_cv_func_strtoumax_macro=no)) 22 23 if test "$jm_cv_func_strtoumax_macro" != yes; then 24 AC_REPLACE_FUNCS(strtoumax) 25 fi 26 27 dnl Only the replacement strtoumax invokes strtoul and strtoull, 28 dnl so we need the replacements only if strtoumax does not exist. 29 case "$jm_cv_func_strtoumax_macro,$ac_cv_func_strtoumax" in 30 no,no) 31 AC_REPLACE_FUNCS(strtoul) 32 33 dnl We don't need (and can't compile) the replacement strtoull 34 dnl unless the type `unsigned long long' exists. 35 if test "$ac_cv_type_unsigned_long_long" = yes; then 36 AC_REPLACE_FUNCS(strtoull) 37 fi 38 ;; 39 esac 40]) 41