3 # Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
10 # * Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # * Redistributions in binary form must reproduce the above copyright
13 # notice, this list of conditions and the following disclaimer in
14 # the documentation and/or other materials provided with the
16 # * Neither the name of Intel Corporation nor the names of its
17 # contributors may be used to endorse or promote products derived
18 # from this software without specific prior written permission.
20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 # This .mk is the generic target rte.var.mk ; it includes .mk for
34 # the specified machine, architecture, toolchain (compiler) and
35 # executive environment.
41 # - can define ARCH variable (overriden by cmdline value)
42 # - can define CROSS variable (overriden by cmdline value)
43 # - define MACHINE_CFLAGS variable (overriden by cmdline value)
44 # - define MACHINE_LDFLAGS variable (overriden by cmdline value)
45 # - define MACHINE_ASFLAGS variable (overriden by cmdline value)
46 # - can define CPU_CFLAGS variable (overriden by cmdline value) that
47 # overrides the one defined in arch.
48 # - can define CPU_LDFLAGS variable (overriden by cmdline value) that
49 # overrides the one defined in arch.
50 # - can define CPU_ASFLAGS variable (overriden by cmdline value) that
51 # overrides the one defined in arch.
53 # examples for RTE_MACHINE: default, pc, bensley, tylesburg, ...
55 include $(RTE_SDK)/mk/machine/$(RTE_MACHINE)/rte.vars.mk
60 # - define ARCH variable (overriden by cmdline or by previous
61 # optional define in machine .mk)
62 # - define CROSS variable (overriden by cmdline or previous define
64 # - define CPU_CFLAGS variable (overriden by cmdline or previous
65 # define in machine .mk)
66 # - define CPU_LDFLAGS variable (overriden by cmdline or previous
67 # define in machine .mk)
68 # - define CPU_ASFLAGS variable (overriden by cmdline or previous
69 # define in machine .mk)
70 # - may override any previously defined variable
72 # examples for RTE_ARCH: i686, x86_64
74 include $(RTE_SDK)/mk/arch/$(RTE_ARCH)/rte.vars.mk
79 # - define CC, LD, AR, AS, ...
80 # - define TOOLCHAIN_CFLAGS variable (overriden by cmdline value)
81 # - define TOOLCHAIN_LDFLAGS variable (overriden by cmdline value)
82 # - define TOOLCHAIN_ASFLAGS variable (overriden by cmdline value)
83 # - may override any previously defined variable
85 # examples for RTE_TOOLCHAIN: gcc, icc
87 include $(RTE_SDK)/mk/toolchain/$(RTE_TOOLCHAIN)/rte.vars.mk
92 # - define EXECENV_CFLAGS variable (overriden by cmdline)
93 # - define EXECENV_LDFLAGS variable (overriden by cmdline)
94 # - define EXECENV_ASFLAGS variable (overriden by cmdline)
95 # - may override any previously defined variable
97 # examples for RTE_EXEC_ENV: linuxapp, bsdapp
99 include $(RTE_SDK)/mk/exec-env/$(RTE_EXEC_ENV)/rte.vars.mk
101 # Don't set CFLAGS/LDFLAGS flags for kernel module, all flags are
102 # provided by Kbuild framework.
103 ifeq ($(KERNELRELEASE),)
105 # now that the environment is mostly set up, including the machine type we will
106 # be passing to the compiler, set up the specific CPU flags based on that info.
107 include $(RTE_SDK)/mk/rte.cpuflags.mk
110 CFLAGS := $(CPU_CFLAGS) $(EXECENV_CFLAGS) $(TOOLCHAIN_CFLAGS) $(MACHINE_CFLAGS)
111 CFLAGS += $(TARGET_CFLAGS)
114 LDFLAGS := $(CPU_LDFLAGS) $(EXECENV_LDFLAGS) $(TOOLCHAIN_LDFLAGS) $(MACHINE_LDFLAGS)
115 LDFLAGS += $(TARGET_LDFLAGS)
118 ASFLAGS := $(CPU_ASFLAGS) $(EXECENV_ASFLAGS) $(TOOLCHAIN_ASFLAGS) $(MACHINE_ASFLAGS)
119 ASFLAGS += $(TARGET_ASFLAGS)
121 # add default include and lib paths
122 CFLAGS += -I$(RTE_OUTPUT)/include
123 LDFLAGS += -L$(RTE_OUTPUT)/lib
125 # always include rte_config.h: the one in $(RTE_OUTPUT)/include is
126 # the configuration of SDK when $(BUILDING_RTE_SDK) is true, or the
127 # configuration of the application if $(BUILDING_RTE_SDK) is not
129 ifeq ($(BUILDING_RTE_SDK),1)
131 CFLAGS += -include $(RTE_OUTPUT)/include/rte_config.h
132 ifeq ($(CONFIG_RTE_INSECURE_FUNCTION_WARNING),y)
133 CFLAGS += -include rte_warnings.h
136 # if we are building an external application, include SDK's lib and
138 CFLAGS += -I$(RTE_SDK_BIN)/include
139 ifneq ($(wildcard $(RTE_OUTPUT)/include/rte_config.h),)
140 CFLAGS += -include $(RTE_OUTPUT)/include/rte_config.h
142 CFLAGS += -include $(RTE_SDK_BIN)/include/rte_config.h
143 ifeq ($(CONFIG_RTE_INSECURE_FUNCTION_WARNING),y)
144 CFLAGS += -include rte_warnings.h
146 LDFLAGS += -L$(RTE_SDK_BIN)/lib