mk: prevent overlinking in applications

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@intel.com>
Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>

diff --git a/mk/exec-env/linuxapp/rte.vars.mk b/mk/exec-env/linuxapp/rte.vars.mk
index d51bd1703451be348c13713df9238afb8ee4b04c..a8a1ee4cbd19a55e4324059994d07c1b8185a988 100644 (file)
--- 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 9306b30f98e96bb5250bf2a9ad3c6644e9279586..d01a79fda8f503ea8511fbf692ebd500d480a136 100644 (file)
--- 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