[dpdk-dev] [PATCH v2 4/6] mk: prevent overlinking in applications
Thomas Monjalon
thomas.monjalon at 6wind.com
Fri Jun 10 15:19:07 CEST 2016
From: Ferruh Yigit <ferruh.yigit at intel.com>
Replace --no-as-needed linker flag with --as-needed flag, which will
only link libraries directly called by application.
It can be achieved now that the libraries dependencies are handled
properly.
Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
Signed-off-by: Thomas Monjalon <thomas.monjalon at 6wind.com>
---
v2: remove workarounds and workaround comment
---
mk/exec-env/linuxapp/rte.vars.mk | 3 ---
mk/rte.app.mk | 3 +++
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/mk/exec-env/linuxapp/rte.vars.mk b/mk/exec-env/linuxapp/rte.vars.mk
index d51bd17..a8a1ee4 100644
--- a/mk/exec-env/linuxapp/rte.vars.mk
+++ b/mk/exec-env/linuxapp/rte.vars.mk
@@ -45,9 +45,6 @@ else
EXECENV_CFLAGS = -pthread
endif
-# Workaround lack of DT_NEEDED entry
-EXECENV_LDFLAGS = --no-as-needed
-
EXECENV_LDLIBS =
EXECENV_ASFLAGS =
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index 9306b30..d01a79f 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -50,6 +50,9 @@ ifeq ($(NO_LDSCRIPT),)
LDSCRIPT = $(RTE_LDSCRIPT)
endif
+# Link only the libraries used in the application
+LDFLAGS += --as-needed
+
# default path for libs
_LDLIBS-y += -L$(RTE_SDK_BIN)/lib
--
2.7.0
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