make test: don't recompile ext if not needed

Skip recompilation of test binaries from test/ext if these are
up-to-date. This speeds up repeated test runs.

Change-Id: I96dbfafc372398e3d858d8419219ef35c47bd0f3
Signed-off-by: Klement Sekera <ksekera@cisco.com>

diff --git a/test/ext/Makefile b/test/ext/Makefile
index a188427..6b3cb90 100644 (file)
--- a/test/ext/Makefile
+++ b/test/ext/Makefile
@@ -13,18 +13,18 @@ $(BINDIR):
 
 CSRC = vapi_c_test.c
 
-fake.api.vapi.h: fake.api.json $(BINDIR) $(WS_ROOT)/src/vpp-api/vapi/vapi_c_gen.py
+$(BINDIR)/fake.api.vapi.h: fake.api.json $(WS_ROOT)/src/vpp-api/vapi/vapi_c_gen.py | $(BINDIR)
        $(WS_ROOT)/src/vpp-api/vapi/vapi_c_gen.py --prefix $(BINDIR) $<
 
-fake.api.vapi.hpp: fake.api.json $(BINDIR) $(WS_ROOT)/src/vpp-api/vapi/vapi_cpp_gen.py
+$(BINDIR)/fake.api.vapi.hpp: fake.api.json $(WS_ROOT)/src/vpp-api/vapi/vapi_cpp_gen.py | $(BINDIR)
        $(WS_ROOT)/src/vpp-api/vapi/vapi_cpp_gen.py --prefix $(BINDIR) $<
 
-$(CBIN): $(CSRC) $(BINDIR) $(VPP_TEST_BUILD_DIR)/vpp/vpp-api/vapi/.libs/libvapiclient.so $(VPP_TEST_BUILD_DIR)/vpp/.libs/libvppinfra.so $(VPP_TEST_BUILD_DIR)/vpp/.libs/libvlibmemoryclient.so $(VPP_TEST_BUILD_DIR)/vpp/.libs/libsvm.so fake.api.vapi.h
+$(CBIN): $(CSRC) $(VPP_TEST_BUILD_DIR)/vpp/vpp-api/vapi/.libs/libvapiclient.so $(VPP_TEST_BUILD_DIR)/vpp/.libs/libvppinfra.so $(VPP_TEST_BUILD_DIR)/vpp/.libs/libvlibmemoryclient.so $(VPP_TEST_BUILD_DIR)/vpp/.libs/libsvm.so $(BINDIR)/fake.api.vapi.h
        $(CC) -o $@ $(CFLAGS) $(CSRC) $(LIBS)
 
 CPPSRC = vapi_cpp_test.cpp
 
-$(CPPBIN): $(CPPSRC) $(BINDIR) $(VPP_TEST_BUILD_DIR)/vpp/vpp-api/vapi/.libs/libvapiclient.so $(VPP_TEST_BUILD_DIR)/vpp/.libs/libvppinfra.so $(VPP_TEST_BUILD_DIR)/vpp/.libs/libvlibmemoryclient.so $(VPP_TEST_BUILD_DIR)/vpp/.libs/libsvm.so fake.api.vapi.hpp
+$(CPPBIN): $(CPPSRC) $(VPP_TEST_BUILD_DIR)/vpp/vpp-api/vapi/.libs/libvapiclient.so $(VPP_TEST_BUILD_DIR)/vpp/.libs/libvppinfra.so $(VPP_TEST_BUILD_DIR)/vpp/.libs/libvlibmemoryclient.so $(VPP_TEST_BUILD_DIR)/vpp/.libs/libsvm.so $(BINDIR)/fake.api.vapi.hpp
        $(CXX) -o $@ $(CPPFLAGS) $(CPPSRC) $(LIBS)
 
 clean: