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authorAndrew Bartlett <abartlet@samba.org>2006-06-05 21:51:10 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 14:08:53 -0500
commitd70d6727dd1d7c4ae9dd897d23864665476b3884 (patch)
treebbb90602e09d18259c87ee185f4d7a81ce8618ac
parentca62ddd8d901cce923d1cda958793054f80b1f57 (diff)
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r16052: Add .m4 file for XATTR detection (from ntvfs/posix/config.m4)
Andrew Bartlett (This used to be commit 9a9c2bc4aaa4afc947fb490f48bf037e03d2f223)
-rw-r--r--source4/lib/util/xattr.m432
1 files changed, 32 insertions, 0 deletions
diff --git a/source4/lib/util/xattr.m4 b/source4/lib/util/xattr.m4
new file mode 100644
index 0000000000..497809a47a
--- /dev/null
+++ b/source4/lib/util/xattr.m4
@@ -0,0 +1,32 @@
+dnl ############################################
+dnl use flistxattr as the key function for having
+dnl sufficient xattr support for posix xattr backend
+AC_CHECK_HEADERS(sys/attributes.h attr/xattr.h sys/xattr.h)
+AC_SEARCH_LIBS_EXT(flistxattr, [attr], XATTR_LIBS)
+AC_CHECK_FUNC_EXT(flistxattr, $XATTR_LIBS)
+SMB_EXT_LIB(XATTR,[${XATTR_LIBS}],[${XATTR_CFLAGS}],[${XATTR_CPPFLAGS}],[${XATTR_LDFLAGS}])
+if test x"$ac_cv_func_ext_flistxattr" = x"yes"; then
+ AC_CACHE_CHECK([whether xattr interface takes additional options], smb_attr_cv_xattr_add_opt,
+ [old_LIBS=$LIBS
+ LIBS="$LIBS $XATTRLIBS"
+ AC_TRY_COMPILE([
+ #include <sys/types.h>
+ #if HAVE_ATTR_XATTR_H
+ #include <attr/xattr.h>
+ #elif HAVE_SYS_XATTR_H
+ #include <sys/xattr.h>
+ #endif
+ #ifndef NULL
+ #define NULL ((void *)0)
+ #endif
+ ],[
+ getxattr(NULL, NULL, NULL, 0, 0, 0);
+ ],smb_attr_cv_xattr_add_opt=yes,smb_attr_cv_xattr_add_opt=no)
+ LIBS=$old_LIBS])
+ if test x"$smb_attr_cv_xattr_add_opt" = x"yes"; then
+ AC_DEFINE(XATTR_ADDITIONAL_OPTIONS, 1, [xattr functions have additional options])
+ fi
+ AC_DEFINE(HAVE_XATTR_SUPPORT,1,[Whether we have xattr support])
+ SMB_ENABLE(XATTR,YES)
+fi
+