From a77b52c86516752280fe9b7dd2b72fead11060b0 Mon Sep 17 00:00:00 2001
From: Fredrik Tolf <fredrik@dolda2000.com>
Date: Tue, 27 May 2008 15:02:14 +0200
Subject: [PATCH] Check for xattr support in configure script.

---
 configure.in       | 15 +++++++++++++++
 daemon/Makefile.am |  2 +-
 daemon/reqstat.c   | 13 ++++++++++++-
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/configure.in b/configure.in
index 73f67a9..effe65b 100644
--- a/configure.in
+++ b/configure.in
@@ -83,6 +83,21 @@ if test "$HAS_LIBNOTIFY" = yes; then
    	AC_DEFINE(HAVE_NOTIFY)
 fi
 
+# libattr check
+AH_TEMPLATE(HAVE_XATTR, [define to compile support for extended attributes])
+AC_ARG_WITH(xattr, [  --with-xattr            Enable XATTR support])
+DOLDA_PKG([HAS_XATTR], [test "$with_xattr" = no && HAS_XATTR=no],
+		       [AC_CHECK_LIB(attr, getxattr, [:], [HAS_XATTR=no])],
+		       [DOLDA_CHECK_HEADER(attr/xattr.h, [], [HAS_XATTR=no])],
+		       [XATTR_LIBS=-lattr])
+if test "$with_xattr" = yes -a "$HAS_XATTR" = no; then
+   	AC_MSG_ERROR([*** cannot find xattr support on this system])
+fi
+if test "$HAS_XATTR" = yes; then
+   	AC_DEFINE(HAVE_XATTR)
+fi
+AC_SUBST(XATTR_LIBS)
+
 # libpanelapplet check
 DOLDA_PKG([HAS_LIBPANELAPPLET], [PKG_CHECK_MODULES(PANELAPPLET, libpanelapplet-2.0, [], [HAS_LIBPANELAPPLET=no])])
 
diff --git a/daemon/Makefile.am b/daemon/Makefile.am
index 532b4da..a80ad94 100644
--- a/daemon/Makefile.am
+++ b/daemon/Makefile.am
@@ -32,5 +32,5 @@ endif
 
 EXTRA_DIST=emacs-local
 doldacond_LDADD=$(top_srcdir)/common/libcommon.a \
-		@KRB5_LIBS@ -lbz2 -lz -lgdbm @PAM_LIBS@ @KEYUTILS_LIBS@
+		@KRB5_LIBS@ -lbz2 -lz -lgdbm @PAM_LIBS@ @KEYUTILS_LIBS@ @XATTR_LIBS@
 doldacond_CPPFLAGS=-I$(top_srcdir)/include -DDAEMON @KRB5_CFLAGS@ -D_ISOC99_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64
diff --git a/daemon/reqstat.c b/daemon/reqstat.c
index 34b7ce3..d3d849f 100644
--- a/daemon/reqstat.c
+++ b/daemon/reqstat.c
@@ -22,7 +22,6 @@
 #include <unistd.h>
 #include <errno.h>
 #include <time.h>
-#include <attr/xattr.h>
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
@@ -31,6 +30,10 @@
 #include "module.h"
 #include "log.h"
 
+#ifdef HAVE_XATTR
+#include <attr/xattr.h>
+#endif
+
 struct trdata {
     size_t startpos;
 };
@@ -62,6 +65,7 @@ void filelog(char *format, ...)
     fclose(out);
 }
 
+#ifdef HAVE_XATTR
 void xainc(wchar_t *file, char *an, off_t inc)
 {
     char buf[32];
@@ -88,26 +92,33 @@ void xainc(wchar_t *file, char *an, off_t inc)
     if(setxattr(fn, an, buf, al, 0) < 0)
 	flog(LOG_WARNING, "could not set xattr %s on %s: %s", an, fn, strerror(errno));
 }
+#endif
 
 void request(struct transfer *transfer, struct trdata *data)
 {
     filelog("request %ls", transfer->path);
+#ifdef HAVE_XATTR
     if(confgetint("reqstat", "xa"))
 	xainc(transfer->path, "user.dc-req", 1);
+#endif
 }
 
 void start(struct transfer *transfer, struct trdata *data)
 {
     filelog("start %ls at %zi", transfer->path, data->startpos);
+#ifdef HAVE_XATTR
     if(confgetint("reqstat", "xa"))
 	xainc(transfer->path, "user.dc-started", 1);
+#endif
 }
 
 void finish(struct transfer *transfer, struct trdata *data)
 {
     filelog("finish %ls at %zi, total %zi", transfer->path, transfer->curpos, transfer->curpos - data->startpos);
+#ifdef HAVE_XATTR
     if(confgetint("reqstat", "xa"))
 	xainc(transfer->path, "user.dc-bytes", transfer->curpos - data->startpos);
+#endif
 }
 
 static int chattr(struct transfer *transfer, wchar_t *attrib, struct trdata *data)
-- 
2.11.0