From d7f6b63f0a026494152f15822271521d8eec7393 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Mon, 15 Oct 2007 14:44:06 +1000
Subject: [PATCH] only link to -lipq if needed (This used to be ctdb commit
 7c378d881e37db0f14e07ccba19fde1f9f4f0831)

---
 ctdb/Makefile.in  | 4 +++-
 ctdb/configure.ac | 6 ++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/ctdb/Makefile.in b/ctdb/Makefile.in
index bf06a92a891..0dce3aa8187 100644
--- a/ctdb/Makefile.in
+++ b/ctdb/Makefile.in
@@ -23,6 +23,8 @@ POPT_LIBS = @POPT_LIBS@
 POPT_CFLAGS = @POPT_CFLAGS@
 POPT_OBJ = @POPT_OBJ@
 
+IPQ_LIBS = @IPQ_LIBS@
+
 CFLAGS=-g -I$(srcdir)/include -Iinclude -Ilib -Ilib/util -I$(srcdir) \
        -I@tallocdir@ -I@tdbdir@/include -I@libreplacedir@ \
 	-DVARDIR=\"$(localstatedir)\" -DETCDIR=\"$(etcdir)\" \
@@ -86,7 +88,7 @@ bin/scsi_io: $(CTDB_CLIENT_OBJ) utils/scsi_io/scsi_io.o
 
 bin/ctdb_ipmux: $(CTDB_CLIENT_OBJ) utils/ipmux/ipmux.o 
 	@echo Linking $@
-	@$(CC) $(CFLAGS) -o $@ utils/ipmux/ipmux.o $(CTDB_CLIENT_OBJ) $(LIB_FLAGS) -lipq
+	@$(CC) $(CFLAGS) -o $@ utils/ipmux/ipmux.o $(CTDB_CLIENT_OBJ) $(LIB_FLAGS) $(IPQ_LIBS)
 
 bin/ctdb: $(CTDB_CLIENT_OBJ) tools/ctdb.o 
 	@echo Linking $@
diff --git a/ctdb/configure.ac b/ctdb/configure.ac
index b782c70f056..d552eed00b4 100644
--- a/ctdb/configure.ac
+++ b/ctdb/configure.ac
@@ -49,6 +49,12 @@ m4_include(ib/config.m4)
 
 AC_CHECK_HEADERS(libipq.h linux/netfilter.h)
 
+IPQ_LIBS=""
+if test x"$ac_cv_header_libipq_h" = x"yes"; then
+   IPQ_LIBS="-lipq"
+fi
+AC_SUBST(IPQ_LIBS)
+
 AC_CHECK_HEADERS(sched.h)
 AC_CHECK_FUNCS(sched_setscheduler)