From: Paul Eggert Date: Wed, 6 Dec 2000 11:04:44 +0000 (+0000) Subject: serial 3 X-Git-Url: https://git.dogcows.com/gitweb?a=commitdiff_plain;h=fe3bb7688e028a55c2efea8d789c6c0331c6210e;p=chaz%2Ftar serial 3 --- diff --git a/m4/xstrtoumax.m4 b/m4/xstrtoumax.m4 new file mode 100644 index 0000000..523ebe0 --- /dev/null +++ b/m4/xstrtoumax.m4 @@ -0,0 +1,42 @@ +#serial 3 + +# autoconf tests required for use of xstrtoumax.c + +AC_DEFUN(jm_AC_PREREQ_XSTRTOUMAX, +[ + AC_REQUIRE([jm_AC_TYPE_UINTMAX_T]) + AC_REQUIRE([jm_AC_HEADER_INTTYPES_H]) + AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG]) + AC_CHECK_DECLS([strtoul, strtoull]) + AC_CHECK_HEADERS(limits.h stdlib.h) + + AC_CACHE_CHECK([whether defines strtoumax as a macro], + jm_cv_func_strtoumax_macro, + AC_EGREP_CPP([inttypes_h_defines_strtoumax], [#include +#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 strtol) + ;; + esac + + case "$jm_cv_func_strtoumax_macro,$ac_cv_func_strtoumax" in + no,no) + AC_REPLACE_FUNCS(strtoul strtol) + ;; + esac + +])