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-rw-r--r--m4/getgroups.m419
1 files changed, 8 insertions, 11 deletions
diff --git a/m4/getgroups.m4 b/m4/getgroups.m4
index c93447b..e344162 100644
--- a/m4/getgroups.m4
+++ b/m4/getgroups.m4
@@ -1,16 +1,14 @@
-# serial 22
+# serial 24
dnl From Jim Meyering.
dnl A wrapper around AC_FUNC_GETGROUPS.
-# Copyright (C) 1996-1997, 1999-2004, 2008-2019 Free Software Foundation, Inc.
+# Copyright (C) 1996-1997, 1999-2004, 2008-2020 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
-m4_version_prereq([2.70], [] ,[
-
# This is taken from the following Autoconf patch:
# https://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=7fbb553727ed7e0e689a17594b58559ecf3ea6e9
AC_DEFUN([AC_FUNC_GETGROUPS],
@@ -44,8 +42,8 @@ AC_DEFUN([AC_FUNC_GETGROUPS],
*-gnu* | gnu*) ac_cv_func_getgroups_works="guessing yes" ;;
# Guess yes on musl systems.
*-musl*) ac_cv_func_getgroups_works="guessing yes" ;;
- # If we don't know, assume the worst.
- *) ac_cv_func_getgroups_works="guessing no" ;;
+ # If we don't know, obey --enable-cross-guesses.
+ *) ac_cv_func_getgroups_works="$gl_cross_guess_normal" ;;
esac
])
])
@@ -61,8 +59,6 @@ AC_DEFUN([AC_FUNC_GETGROUPS],
LIBS=$ac_save_LIBS
])# AC_FUNC_GETGROUPS
-])
-
AC_DEFUN([gl_FUNC_GETGROUPS],
[
AC_REQUIRE([AC_TYPE_GETGROUPS])
@@ -83,7 +79,8 @@ AC_DEFUN([gl_FUNC_GETGROUPS],
AC_DEFINE([GETGROUPS_ZERO_BUG], [1], [Define this to 1 if
getgroups(0,NULL) does not return the number of groups.])
else
- dnl Detect FreeBSD bug; POSIX requires getgroups(-1,ptr) to fail.
+ dnl Detect Mac OS X and FreeBSD bug; POSIX requires getgroups(-1,ptr)
+ dnl to fail.
AC_CACHE_CHECK([whether getgroups handles negative values],
[gl_cv_func_getgroups_works],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
@@ -99,8 +96,8 @@ AC_DEFUN([gl_FUNC_GETGROUPS],
*-gnu* | gnu*) gl_cv_func_getgroups_works="guessing yes" ;;
# Guess yes on musl systems.
*-musl*) gl_cv_func_getgroups_works="guessing yes" ;;
- # If we don't know, assume the worst.
- *) gl_cv_func_getgroups_works="guessing no" ;;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_getgroups_works="$gl_cross_guess_normal" ;;
esac
])])
case "$gl_cv_func_getgroups_works" in