X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=mk%2Ftoolchain%2Fgcc%2Frte.vars.mk;h=e7008c052e7d15171f8901c3d73c608157fc9f3e;hb=6e7cbd63706f3435b9d9a2057a37db1da01db9a7;hp=ff70f3d9f6ad3ec259a2dde65523a988f7aac9e1;hpb=97f17497d162afdb82c8704bf097f0fee3724b2e;p=deb_dpdk.git

diff --git a/mk/toolchain/gcc/rte.vars.mk b/mk/toolchain/gcc/rte.vars.mk
index ff70f3d9..e7008c05 100644
--- a/mk/toolchain/gcc/rte.vars.mk
+++ b/mk/toolchain/gcc/rte.vars.mk
@@ -32,10 +32,10 @@
 #
 # toolchain:
 #
-#   - define CC, LD, AR, AS, ... (overriden by cmdline value)
-#   - define TOOLCHAIN_CFLAGS variable (overriden by cmdline value)
-#   - define TOOLCHAIN_LDFLAGS variable (overriden by cmdline value)
-#   - define TOOLCHAIN_ASFLAGS variable (overriden by cmdline value)
+#   - define CC, LD, AR, AS, ... (overridden by cmdline value)
+#   - define TOOLCHAIN_CFLAGS variable (overridden by cmdline value)
+#   - define TOOLCHAIN_LDFLAGS variable (overridden by cmdline value)
+#   - define TOOLCHAIN_ASFLAGS variable (overridden by cmdline value)
 #
 
 CC        = $(CROSS)gcc
@@ -81,9 +81,9 @@ ifeq ($(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 +99,21 @@ ifeq ($(shell test $(GCC_VERSION) -lt 47 && echo 1), 1)
 WERROR_FLAGS += -Wno-uninitialized
 endif
 
+HOST_WERROR_FLAGS := $(WERROR_FLAGS)
+
+ifeq ($(shell test $(HOST_GCC_VERSION) -gt 70 && echo 1), 1)
+# Tell GCC only to error for switch fallthroughs without a suitable comment
+HOST_WERROR_FLAGS += -Wimplicit-fallthrough=2
+# Ignore errors for snprintf truncation
+HOST_WERROR_FLAGS += -Wno-format-truncation
+endif
+
+ifeq ($(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