From b549f4113c8ba742b5e2bdd0fb75381203a60f58 Mon Sep 17 00:00:00 2001
From: Jim Harris <james.r.harris@intel.com>
Date: Mon, 10 May 2021 15:30:26 +0000
Subject: [PATCH] build: relink apps when vfio-user library is updated

Look for 'vfio_user' in SPDK_LIB_FILES to determine
whether the target application actually needs to be
rebuilt.

Fixes issue #1930.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: If3f699c91972e20dc4520e25c655ed11f6843be0
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7826
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: <dongx.yi@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
---
 mk/spdk.app.mk | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/mk/spdk.app.mk b/mk/spdk.app.mk
index 61a23d5e7..5020a20ab 100644
--- a/mk/spdk.app.mk
+++ b/mk/spdk.app.mk
@@ -52,6 +52,10 @@ LIBS += $(SPDK_LIB_LINKER_ARGS)
 
 CLEAN_FILES = $(APP)
 
+ifeq ($(findstring vfio_user,$(SPDK_LIB_FILES)),vfio_user)
+VFIO_USER_LIB_FILE=$(VFIO_USER_LIBRARY_DIR)/libvfio-user.a
+endif
+
 all : $(APP)
 	@:
 
@@ -63,7 +67,7 @@ uninstall: empty_rule
 empty_rule:
 	@:
 
-$(APP) : $(OBJS) $(SPDK_LIB_FILES) $(ENV_LIBS)
+$(APP) : $(OBJS) $(SPDK_LIB_FILES) $(ENV_LIBS) $(VFIO_USER_LIB_FILE)
 	$(LINK_C)
 
 clean :