Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 94 insertions, 0 deletions

diff --git a/src/seastar/dpdk/mk/toolchain/gcc/rte.vars.mk b/src/seastar/dpdk/mk/toolchain/gcc/rte.vars.mk
new file mode 100644
index 000000000..b852fcfd7
--- /dev/null
+++ b/src/seastar/dpdk/mk/toolchain/gcc/rte.vars.mk
@@ -0,0 +1,94 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2010-2014 Intel Corporation
+
+#
+# toolchain:
+#
+#   - 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
+KERNELCC  = $(CROSS)gcc
+CPP       = $(CROSS)cpp
+# for now, we don't use as but nasm.
+# AS      = $(CROSS)as
+AS        = nasm
+AR        = $(CROSS)ar
+LD        = $(CROSS)ld
+OBJCOPY   = $(CROSS)objcopy
+OBJDUMP   = $(CROSS)objdump
+STRIP     = $(CROSS)strip
+READELF   = $(CROSS)readelf
+GCOV      = $(CROSS)gcov
+
+ifeq ("$(origin CC)", "command line")
+HOSTCC    = $(CC)
+else
+HOSTCC    = gcc
+endif
+HOSTAS    = as
+
+TOOLCHAIN_ASFLAGS =
+TOOLCHAIN_CFLAGS =
+TOOLCHAIN_LDFLAGS =
+
+ifeq ($(CONFIG_RTE_LIBRTE_GCOV),y)
+TOOLCHAIN_CFLAGS += --coverage
+TOOLCHAIN_LDFLAGS += --coverage
+ifeq (,$(findstring -O0,$(EXTRA_CFLAGS)))
+  $(warning "EXTRA_CFLAGS doesn't contains -O0, coverage will be inaccurate with optimizations enabled")
+endif
+endif
+
+WERROR_FLAGS := -W -Wall -Wstrict-prototypes -Wmissing-prototypes
+WERROR_FLAGS += -Wmissing-declarations -Wold-style-definition -Wpointer-arith
+WERROR_FLAGS += -Wcast-align -Wnested-externs -Wcast-qual
+WERROR_FLAGS += -Wformat-nonliteral -Wformat-security
+WERROR_FLAGS += -Wundef -Wwrite-strings -Wdeprecated
+
+ifeq ($(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_STRICT_ALIGN),y)
+WERROR_FLAGS += -Wno-error=cast-align
+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 $(GCC_VERSION) -lt 47 && echo 1), 1)
+WERROR_FLAGS += -Wno-missing-field-initializers
+endif
+# workaround GCC bug with warning "may be used uninitialized"
+ifeq ($(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
+# Ignore errors for snprintf truncation
+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