diff options
Diffstat (limited to 'gnulib/m4/getgroups.m4')
| m--------- | gnulib | 0 | ||||
| -rw-r--r-- | gnulib/m4/getgroups.m4 | 40 |
2 files changed, 40 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/m4/getgroups.m4 b/gnulib/m4/getgroups.m4 new file mode 100644 index 0000000..54dbe8e --- /dev/null +++ b/gnulib/m4/getgroups.m4 @@ -0,0 +1,40 @@ +# serial 16 + +dnl From Jim Meyering. +dnl A wrapper around AC_FUNC_GETGROUPS. + +# Copyright (C) 1996-1997, 1999-2004, 2008-2011 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. + +AC_DEFUN([gl_FUNC_GETGROUPS], +[ + AC_REQUIRE([AC_FUNC_GETGROUPS]) + AC_REQUIRE([AC_TYPE_GETGROUPS]) + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + if test "$ac_cv_func_getgroups" != yes; then + HAVE_GETGROUPS=0 + elif test "$ac_cv_func_getgroups_works.$ac_cv_type_getgroups" != yes.gid_t + then + REPLACE_GETGROUPS=1 + AC_DEFINE([GETGROUPS_ZERO_BUG], [1], [Define this to 1 if + getgroups(0,NULL) does not return the number of groups.]) + else + dnl Detect FreeBSD bug; POSIX requires getgroups(-1,ptr) to fail. + AC_CACHE_CHECK([whether getgroups handles negative values], + [gl_cv_func_getgroups_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], + [[int size = getgroups (0, 0); + gid_t *list = malloc (size * sizeof *list); + return getgroups (-1, list) != -1;]])], + [gl_cv_func_getgroups_works=yes], + [gl_cv_func_getgroups_works=no], + [gl_cv_func_getgroups_works="guessing no"])]) + if test "$gl_cv_func_getgroups_works" != yes; then + REPLACE_GETGROUPS=1 + fi + fi + test -n "$GETGROUPS_LIB" && LIBS="$GETGROUPS_LIB $LIBS" +]) |