Mercurial > hg > octave-nkf > gnulib-hg
changeset 1896:6be8a162d016
(jm_AC_PREREQ_XSTRTOUMAX): Check whether
<inttypes.h> defines strtoumax as a macro (and not as a
function).
author | Jim Meyering <jim@meyering.net> |
---|---|
date | Sun, 01 Aug 1999 09:05:17 +0000 |
parents | 36b9dcb0dc9e |
children | 54434b906166 |
files | m4/xstrtoumax.m4 |
diffstat | 1 files changed, 16 insertions(+), 4 deletions(-) [+] |
line wrap: on
line diff
--- a/m4/xstrtoumax.m4 +++ b/m4/xstrtoumax.m4 @@ -1,4 +1,4 @@ -#serial 1 +#serial 2 # autoconf tests required for use of xstrtoumax.c @@ -7,14 +7,26 @@ AC_REQUIRE([jm_AC_HEADER_INTTYPES_H]) AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG]) AC_CHECK_HEADERS(stdlib.h) - AC_REPLACE_FUNCS(strtoumax) + + 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,$ac_cv_func_strtoumax" in - yes,no) + case "$ac_cv_type_unsigned_long_long,$jm_cv_func_strtoumax_macro,$ac_cv_func_strtoumax" in + yes,no,no) AC_REPLACE_FUNCS(strtoull) ;; esac