Imported Upstream version 17.05

[deb_dpdk.git] / mk / toolchain / gcc / rte.vars.mk

diff --git a/mk/toolchain/gcc/rte.vars.mk b/mk/toolchain/gcc/rte.vars.mk
index ff70f3d..3834e00 100644 (file)
--- a/mk/toolchain/gcc/rte.vars.mk
+++ b/mk/toolchain/gcc/rte.vars.mk
@@ -81,9 +81,9 @@ ifeq ($(RTE_DEVEL_BUILD),y)
 WERROR_FLAGS += -Werror
 endif
 
-# There are many issues reported for ARMv7 architecture
+# There are many issues reported for strict alignment architectures
 # which are not necessarily fatal. Report as warnings.
-ifeq ($(CONFIG_RTE_ARCH_ARMv7),y)
+ifeq ($(CONFIG_RTE_ARCH_STRICT_ALIGN),y)
 WERROR_FLAGS += -Wno-error=cast-align
 endif
 
@@ -99,5 +99,12 @@ ifeq ($(shell test $(GCC_VERSION) -lt 47 && echo 1), 1)
 WERROR_FLAGS += -Wno-uninitialized
 endif
 
+ifeq ($(shell test $(GCC_VERSION) -gt 70 && echo 1), 1)
+# Tell GCC only to error for switch fallthroughs without a suitable comment
+WERROR_FLAGS += -Wimplicit-fallthrough=2
+# Ignore errors for snprintf truncation
+WERROR_FLAGS += -Wno-format-truncation
+endif
+
 export CC AS AR LD OBJCOPY OBJDUMP STRIP READELF
 export TOOLCHAIN_CFLAGS TOOLCHAIN_LDFLAGS TOOLCHAIN_ASFLAGS