diff options
Diffstat (limited to 'm4/strtoll.m4')
| -rw-r--r-- | m4/strtoll.m4 | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/m4/strtoll.m4 b/m4/strtoll.m4 index d2c9e5310d1..14455dc3db9 100644 --- a/m4/strtoll.m4 +++ b/m4/strtoll.m4 @@ -1,4 +1,4 @@ -# strtoll.m4 serial 8 +# strtoll.m4 serial 9 dnl Copyright (C) 2002, 2004, 2006, 2008-2021 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -7,8 +7,40 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_STRTOLL], [ AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) AC_CHECK_FUNCS([strtoll]) - if test $ac_cv_func_strtoll = no; then + if test $ac_cv_func_strtoll = yes; then + AC_CACHE_CHECK([whether strtoll works], + [gl_cv_func_strtoll_works], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <stdlib.h>]], + [[int result = 0; + char *term; + /* This test fails on Minix and native Windows. */ + { + const char input[] = "0x"; + (void) strtoll (input, &term, 16); + if (term != input + 1) + result |= 1; + } + return result; + ]]) + ], + [gl_cv_func_strtoll_works=yes], + [gl_cv_func_strtoll_works=no], + [case "$host_os" in + # Guess no on native Windows. + mingw*) gl_cv_func_strtoll_works="guessing no" ;; + *) gl_cv_func_strtoll_works="$gl_cross_guess_normal" ;; + esac + ]) + ]) + case "$gl_cv_func_strtoll_works" in + *yes) ;; + *) REPLACE_STRTOLL=1 ;; + esac + else HAVE_STRTOLL=0 fi ]) |