diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/prereq.m4 | 1 | ||||
| -rw-r--r-- | m4/xattr.m4 | 36 |
2 files changed, 37 insertions, 0 deletions
diff --git a/m4/prereq.m4 b/m4/prereq.m4 index e65682fea..536070efe 100644 --- a/m4/prereq.m4 +++ b/m4/prereq.m4 @@ -38,6 +38,7 @@ AC_DEFUN([gl_PREREQ], # handles that; see ../bootstrap.conf. AC_REQUIRE([gl_EUIDACCESS_STAT]) AC_REQUIRE([gl_FD_REOPEN]) + AC_REQUIRE([gl_FUNC_XATTR]) AC_REQUIRE([gl_FUNC_XFTS]) AC_REQUIRE([gl_MEMXFRM]) AC_REQUIRE([gl_STRINTCMP]) diff --git a/m4/xattr.m4 b/m4/xattr.m4 new file mode 100644 index 000000000..c5bf12988 --- /dev/null +++ b/m4/xattr.m4 @@ -0,0 +1,36 @@ +# xattr.m4 - check for Extended Attributes (Linux) + +# Copyright (C) 2003, 2008 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. + +# Originally written by Andreas Gruenbacher. +# http://www.suse.de/~agruen/coreutils/5.91/coreutils-xattr.diff + +AC_DEFUN([gl_FUNC_XATTR], +[ + AC_ARG_ENABLE([xattr], + AC_HELP_STRING([--disable-xattr], + [do not support extended attributes]), + [use_xattr=$enableval], [use_xattr=yes]) + + if test "$use_xattr" = "yes"; then + AC_CHECK_HEADERS([attr/error_context.h attr/libattr.h]) + if test $ac_cv_header_attr_libattr_h = yes \ + && test $ac_cv_header_attr_error_context_h = yes; then + use_xattr=1 + else + use_xattr=0 + fi + AC_DEFINE_UNQUOTED([USE_XATTR], [$use_xattr], + [Define if you want extended attribute support.]) + xattr_saved_LIBS=$LIBS + AC_SEARCH_LIBS([attr_copy_file], [attr], + [test "$ac_cv_search_attr_copy_file" = "none required" || + LIB_XATTR=$ac_cv_search_attr_copy_file]) + AC_CHECK_FUNCS([attr_copy_file]) + LIBS=$xattr_saved_LIBS + AC_SUBST([LIB_XATTR]) + fi +]) |