# 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.dnl Written by Jim MeyeringAC_DEFUN([gl_FUNC_GROUP_MEMBER],[ AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl Persuade glibc <unistd.h> to declare group_member(). AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) dnl Do this replacement check manually because I want the hyphen dnl (not the underscore) in the filename. AC_CHECK_FUNC([group_member], , [ HAVE_GROUP_MEMBER=0 ])])# Prerequisites of lib/group-member.c.AC_DEFUN([gl_PREREQ_GROUP_MEMBER],[ AC_REQUIRE([AC_FUNC_GETGROUPS])])