9ea5194634
Modern GCC and Clang versions can generate .d files without needing the complex sequence of sed scripts that we currently use. Also adjust the .o rule so the .d file is regenerated if it gets deleted. Also make the .o depend on all of the Makefile fragments in $(MAKEFILE_LIST) so that it is rebuilt if the Makefile is changed. Change-Id: I44e186c0f34dabfa0cf35db1ffa66b84d9dae87d Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
113 lines
3.7 KiB
Makefile
113 lines
3.7 KiB
Makefile
#
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# BSD LICENSE
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#
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# Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Intel Corporation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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include $(SPDK_ROOT_DIR)/CONFIG
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C_OPT ?= -fno-omit-frame-pointer
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Q ?= @
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S ?= $(notdir $(CURDIR))
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ifeq ($(MAKECMDGOALS),)
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MAKECMDGOALS=$(.DEFAULT_GOAL)
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endif
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OS := $(shell uname)
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COMMON_CFLAGS = -g $(C_OPT) -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wmissing-declarations -Wstrict-prototypes -Werror -fno-strict-aliasing -march=native -m64 -I$(SPDK_ROOT_DIR)/include
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COMMON_CFLAGS += -Wformat -Wformat-security -Wformat-nonliteral
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COMMON_CFLAGS += -D_GNU_SOURCE
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# Always build PIC code so that objects can be used in shared libs and position-independent executables
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COMMON_CFLAGS += -fPIC
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# Enable stack buffer overflow checking
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COMMON_CFLAGS += -fstack-protector
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# Enable full RELRO - no lazy relocation (resolve everything at load time).
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# This allows the GOT to be made read-only early in the loading process.
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LDFLAGS += -Wl,-z,relro,-z,now
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# Make the stack non-executable.
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# This is the default in most environments, but it doesn't hurt to set it explicitly.
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LDFLAGS += -Wl,-z,noexecstack
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ifeq ($(OS),FreeBSD)
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LIBS += -L/usr/local/lib
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COMMON_CFLAGS += -I/usr/local/include
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endif
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ifeq ($(CONFIG_DEBUG), y)
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COMMON_CFLAGS += -DDEBUG -O0
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else
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COMMON_CFLAGS += -DNDEBUG -O2
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# Enable _FORTIFY_SOURCE checks - these only work when optimizations are enabled.
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COMMON_CFLAGS += -D_FORTIFY_SOURCE=2
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endif
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ifeq ($(CONFIG_COVERAGE), y)
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COMMON_CFLAGS += -fprofile-arcs -ftest-coverage
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LDFLAGS += -fprofile-arcs -ftest-coverage
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ifeq ($(OS),FreeBSD)
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LDFLAGS += --coverage
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endif
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endif
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CFLAGS += $(COMMON_CFLAGS) -Wno-pointer-sign -std=gnu99
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MAKEFLAGS += --no-print-directory
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DEPFLAGS = -MMD -MP -MF $*.d.tmp
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%.o: %.c %.d $(MAKEFILE_LIST)
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@echo " CC $@"
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$(Q)$(CC) $(DEPFLAGS) $(CFLAGS) -c $<
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$(Q)mv -f $*.d.tmp $*.d
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%.d: ;
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DPDK_DIR ?= $(CONFIG_DPDK_DIR)
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DPDK_INC_DIR ?= $(DPDK_DIR)/include
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DPDK_LIB_DIR ?= $(DPDK_DIR)/lib
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DPDK_INC = -I$(DPDK_INC_DIR)
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DPDK_LIB = -L$(DPDK_LIB_DIR) -lrte_eal -lrte_malloc -lrte_mempool -lrte_ring -Wl,-rpath=$(DPDK_LIB_DIR)
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# DPDK requires dl library for dlopen/dlclose on Linux.
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ifeq ($(OS),Linux)
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DPDK_LIB += -ldl
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endif
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ifeq ($(OS),FreeBSD)
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DPDK_LIB += -lexecinfo
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endif
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