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Diffstat (limited to 'mk/target/generic/rte.vars.mk')
| -rw-r--r-- | mk/target/generic/rte.vars.mk | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/mk/target/generic/rte.vars.mk b/mk/target/generic/rte.vars.mk new file mode 100644 index 00000000..75a616ab --- /dev/null +++ b/mk/target/generic/rte.vars.mk @@ -0,0 +1,144 @@ +# BSD LICENSE +# +# Copyright(c) 2010-2014 Intel Corporation. All rights reserved. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Intel Corporation nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +# +# This .mk is the generic target rte.var.mk ; it includes .mk for +# the specified machine, architecture, toolchain (compiler) and +# executive environment. +# + +# +# machine: +# +# - can define ARCH variable (overriden by cmdline value) +# - can define CROSS variable (overriden by cmdline value) +# - define MACHINE_CFLAGS variable (overriden by cmdline value) +# - define MACHINE_LDFLAGS variable (overriden by cmdline value) +# - define MACHINE_ASFLAGS variable (overriden by cmdline value) +# - can define CPU_CFLAGS variable (overriden by cmdline value) that +# overrides the one defined in arch. +# - can define CPU_LDFLAGS variable (overriden by cmdline value) that +# overrides the one defined in arch. +# - can define CPU_ASFLAGS variable (overriden by cmdline value) that +# overrides the one defined in arch. +# +include $(RTE_SDK)/mk/machine/$(RTE_MACHINE)/rte.vars.mk + +# +# arch: +# +# - define ARCH variable (overriden by cmdline or by previous +# optional define in machine .mk) +# - define CROSS variable (overriden by cmdline or previous define +# in machine .mk) +# - define CPU_CFLAGS variable (overriden by cmdline or previous +# define in machine .mk) +# - define CPU_LDFLAGS variable (overriden by cmdline or previous +# define in machine .mk) +# - define CPU_ASFLAGS variable (overriden by cmdline or previous +# define in machine .mk) +# - may override any previously defined variable +# +include $(RTE_SDK)/mk/arch/$(RTE_ARCH)/rte.vars.mk + +# +# toolchain: +# +# - define CC, LD, AR, AS, ... +# - define TOOLCHAIN_CFLAGS variable (overriden by cmdline value) +# - define TOOLCHAIN_LDFLAGS variable (overriden by cmdline value) +# - define TOOLCHAIN_ASFLAGS variable (overriden by cmdline value) +# - may override any previously defined variable +# +include $(RTE_SDK)/mk/toolchain/$(RTE_TOOLCHAIN)/rte.vars.mk + +# +# exec-env: +# +# - define EXECENV_CFLAGS variable (overriden by cmdline) +# - define EXECENV_LDFLAGS variable (overriden by cmdline) +# - define EXECENV_ASFLAGS variable (overriden by cmdline) +# - may override any previously defined variable +# +include $(RTE_SDK)/mk/exec-env/$(RTE_EXEC_ENV)/rte.vars.mk + +# Don't set CFLAGS/LDFLAGS flags for kernel module, all flags are +# provided by Kbuild framework. +ifeq ($(KERNELRELEASE),) + +# now that the environment is mostly set up, including the machine type we will +# be passing to the compiler, set up the specific CPU flags based on that info. +include $(RTE_SDK)/mk/rte.cpuflags.mk + +# merge all CFLAGS +CFLAGS := $(CPU_CFLAGS) $(EXECENV_CFLAGS) $(TOOLCHAIN_CFLAGS) $(MACHINE_CFLAGS) +CFLAGS += $(TARGET_CFLAGS) + +# merge all LDFLAGS +LDFLAGS := $(CPU_LDFLAGS) $(EXECENV_LDFLAGS) $(TOOLCHAIN_LDFLAGS) $(MACHINE_LDFLAGS) +LDFLAGS += $(TARGET_LDFLAGS) + +# merge all ASFLAGS +ASFLAGS := $(CPU_ASFLAGS) $(EXECENV_ASFLAGS) $(TOOLCHAIN_ASFLAGS) $(MACHINE_ASFLAGS) +ASFLAGS += $(TARGET_ASFLAGS) + +# add default include and lib paths +CFLAGS += -I$(RTE_OUTPUT)/include +LDFLAGS += -L$(RTE_OUTPUT)/lib + +# always include rte_config.h: the one in $(RTE_OUTPUT)/include is +# the configuration of SDK when $(BUILDING_RTE_SDK) is true, or the +# configuration of the application if $(BUILDING_RTE_SDK) is not +# defined. +ifeq ($(BUILDING_RTE_SDK),1) +# building sdk +CFLAGS += -include $(RTE_OUTPUT)/include/rte_config.h +ifeq ($(CONFIG_RTE_INSECURE_FUNCTION_WARNING),y) +CFLAGS += -include rte_warnings.h +endif +else +# if we are building an external application, include SDK's lib and +# includes too +CFLAGS += -I$(RTE_SDK_BIN)/include +ifneq ($(wildcard $(RTE_OUTPUT)/include/rte_config.h),) +CFLAGS += -include $(RTE_OUTPUT)/include/rte_config.h +endif +CFLAGS += -include $(RTE_SDK_BIN)/include/rte_config.h +ifeq ($(CONFIG_RTE_INSECURE_FUNCTION_WARNING),y) +CFLAGS += -include rte_warnings.h +endif +LDFLAGS += -L$(RTE_SDK_BIN)/lib +endif + +export CFLAGS +export LDFLAGS + +endif |