kc3-lang/gnulib/m4/xstrtoumax.m4
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Hash : 3fbade56
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Date : 2000-12-06T11:06:39
Check for strtol. Mainly as a cue to cause automake to include strtol.c -- that file is included by each of strtoul.c and strtoull.c. Check for limits.h -- strtol.c needs it.
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m4/xstrtoumax.m4
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#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 <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 strtol) ;; esac case "$jm_cv_func_strtoumax_macro,$ac_cv_func_strtoumax" in no,no) AC_REPLACE_FUNCS(strtoul strtol) ;; esac ])