X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=mk%2Ftoolchain%2Fgcc%2Frte.vars.mk;h=f19305e4951e63803af2b1ea0b3e29bd445dc780;hb=b62c5f0df54512d8fd93dd28a2b482b2d2bad540;hp=7e4531bab355a0660dd8fcccb47019ed8a300219;hpb=a6ec31597a0b1f6b6ddf21546f76bbb280f62c37;p=dpdk.git

diff --git a/mk/toolchain/gcc/rte.vars.mk b/mk/toolchain/gcc/rte.vars.mk
index 7e4531bab3..f19305e495 100644
--- a/mk/toolchain/gcc/rte.vars.mk
+++ b/mk/toolchain/gcc/rte.vars.mk
@@ -62,15 +62,34 @@ endif
 # process cpu flags
 include $(RTE_SDK)/mk/toolchain/$(RTE_TOOLCHAIN)/rte.toolchain-compat.mk
 
-# workaround GCC bug with warning "missing initializer" for "= {0}"
-ifeq ($(shell test $(GCC_VERSION) -lt 47 && echo 1), 1)
-WERROR_FLAGS += -Wno-missing-field-initializers
+ifeq ($(CONFIG_RTE_ENABLE_LTO),y)
+# 'fat-lto' is used since pmdinfogen needs to have 'this_pmd_nameX'
+# exported in symbol table and without this option only internal
+# representation is present.
+TOOLCHAIN_CFLAGS += -flto -ffat-lto-objects
+TOOLCHAIN_LDFLAGS += -flto
+# workaround for GCC bug 81440
+ifeq ($(shell test $(GCC_VERSION) -lt 80 && echo 1), 1)
+WERROR_FLAGS += -Wno-lto-type-mismatch
+endif
 endif
+
+# disable warning for non-initialised fields
+WERROR_FLAGS += -Wno-missing-field-initializers
 # workaround GCC bug with warning "may be used uninitialized"
 ifeq ($(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
@@ -78,5 +97,8 @@ WERROR_FLAGS += -Wimplicit-fallthrough=2
 WERROR_FLAGS += -Wno-format-truncation
 endif
 
+# disable packed member unalign warnings
+WERROR_FLAGS += -Wno-address-of-packed-member
+
 export CC AS AR LD OBJCOPY OBJDUMP STRIP READELF
 export TOOLCHAIN_CFLAGS TOOLCHAIN_LDFLAGS TOOLCHAIN_ASFLAGS