#
# 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 = $(CROSS)gcc
endif
endif
-WERROR_FLAGS := -W -Wall -Werror -Wstrict-prototypes -Wmissing-prototypes
+WERROR_FLAGS := -W -Wall -Wstrict-prototypes -Wmissing-prototypes
WERROR_FLAGS += -Wmissing-declarations -Wold-style-definition -Wpointer-arith
WERROR_FLAGS += -Wcast-align -Wnested-externs -Wcast-qual
WERROR_FLAGS += -Wformat-nonliteral -Wformat-security
WERROR_FLAGS += -Wundef -Wwrite-strings
-# There are many issues reported for ARMv7 architecture
+ifeq ($(RTE_DEVEL_BUILD),y)
+WERROR_FLAGS += -Werror
+endif
+
+# 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
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