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-rw-r--r--src/spdk/dpdk/mk/toolchain/gcc/rte.vars.mk109
1 files changed, 109 insertions, 0 deletions
diff --git a/src/spdk/dpdk/mk/toolchain/gcc/rte.vars.mk b/src/spdk/dpdk/mk/toolchain/gcc/rte.vars.mk
new file mode 100644
index 000000000..928f0e083
--- /dev/null
+++ b/src/spdk/dpdk/mk/toolchain/gcc/rte.vars.mk
@@ -0,0 +1,109 @@
+# 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
+
+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 $(GCC_VERSION) -lt 47 && echo 1), 1)
+WERROR_FLAGS += -Wno-uninitialized
+endif
+
+ifeq ($(shell test $(GCC_VERSION) -ge 100 && echo 1), 1)
+# FIXME: Bugzilla 396
+WERROR_FLAGS += -Wno-zero-length-bounds
+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