clang version < 3.5 doesn't support -z linker option,
and some FreeBSD box still has clang versions < 3.5 as default version.
compile error:
clang: error: unknown argument: '-z'
Fixes: fd591c4c4e35 ("mk: check shared library dependencies")
Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
---
mk/rte.lib.mk | 6 +++++-
mk/toolchain/clang/rte.toolchain-compat.mk | 4 ++++
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/mk/rte.lib.mk b/mk/rte.lib.mk
index 0187ae8..830f81a 100644
--- a/mk/rte.lib.mk
+++ b/mk/rte.lib.mk
@@ -93,8 +93,12 @@ O_TO_A_DO = @set -e; \
$(O_TO_A) && \
echo $(O_TO_A_CMD) > $(call exe2cmd,$(@))
+ifneq ($(CC_SUPPORTS_Z),false)
+NO_UNDEFINED := -z defs
+endif
+
O_TO_S = $(LD) -L$(RTE_SDK_BIN)/lib $(_CPU_LDFLAGS) $(EXTRA_LDFLAGS) \
- -shared $(OBJS-y) -z defs $(LDLIBS) -Wl,-soname,$(LIB) -o $(LIB)
+ -shared $(OBJS-y) $(NO_UNDEFINED) $(LDLIBS) -Wl,-soname,$(LIB) -o
$(LIB)
O_TO_S_STR = $(subst ','\'',$(O_TO_S)) #'# fix syntax highlight
O_TO_S_DISP = $(if $(V),"$(O_TO_S_STR)"," LD $(@)")
O_TO_S_DO = @set -e; \
diff --git a/mk/toolchain/clang/rte.toolchain-compat.mk
b/mk/toolchain/clang/rte.toolchain-compat.mk
index 03e5a97..b734413 100644
--- a/mk/toolchain/clang/rte.toolchain-compat.mk
+++ b/mk/toolchain/clang/rte.toolchain-compat.mk
@@ -43,3 +43,7 @@ CLANG_VERSION := $(shell $(CC) -v 2>&1 | grep version | sed
"s/.*version \([0-9]
CLANG_MAJOR_VERSION := $(shell echo $(CLANG_VERSION) | cut -f1 -d.)
CLANG_MINOR_VERSION := $(shell echo $(CLANG_VERSION) | cut -f2 -d.)
+
+ifeq ($(shell test $(CLANG_MAJOR_VERSION)$(CLANG_MINOR_VERSION) -lt 35 && echo
1), 1)
+ CC_SUPPORTS_Z := false
+endif
--
2.7.4
