numam-spdk/mk/spdk.common.mk
Daniel Verkamp 7ab7984885 build: undefine _FORTIFY_SOURCE before setting it
Some compilers automatically define _FORTIFY_SOURCE to a different
value, so undefine it before setting it on the compiler command line.

Change-Id: Id662953bd4466b99d0fe9bd5bb96f9fc335ff9a8
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2015-12-22 10:15:06 -07:00

140 lines
4.4 KiB
Makefile

#
# BSD LICENSE
#
# Copyright(c) 2010-2015 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.
#
include $(SPDK_ROOT_DIR)/CONFIG
C_OPT ?= -fno-omit-frame-pointer
Q ?= @
S ?= $(notdir $(CURDIR))
ifeq ($(MAKECMDGOALS),)
MAKECMDGOALS=$(.DEFAULT_GOAL)
endif
OS := $(shell uname)
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
COMMON_CFLAGS += -Wformat -Wformat-security -Wformat-nonliteral
COMMON_CFLAGS += -D_GNU_SOURCE
# Always build PIC code so that objects can be used in shared libs and position-independent executables
COMMON_CFLAGS += -fPIC
# Enable stack buffer overflow checking
COMMON_CFLAGS += -fstack-protector
# Enable full RELRO - no lazy relocation (resolve everything at load time).
# This allows the GOT to be made read-only early in the loading process.
LDFLAGS += -Wl,-z,relro,-z,now
# Make the stack non-executable.
# This is the default in most environments, but it doesn't hurt to set it explicitly.
LDFLAGS += -Wl,-z,noexecstack
ifeq ($(OS),FreeBSD)
LIBS += -L/usr/local/lib
COMMON_CFLAGS += -I/usr/local/include
endif
ifeq ($(CONFIG_DEBUG), y)
COMMON_CFLAGS += -DDEBUG -O0
else
COMMON_CFLAGS += -DNDEBUG -O2
# Enable _FORTIFY_SOURCE checks - these only work when optimizations are enabled.
COMMON_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
endif
ifeq ($(CONFIG_COVERAGE), y)
COMMON_CFLAGS += -fprofile-arcs -ftest-coverage
LDFLAGS += -fprofile-arcs -ftest-coverage
ifeq ($(OS),FreeBSD)
LDFLAGS += --coverage
endif
endif
CFLAGS += $(COMMON_CFLAGS) -Wno-pointer-sign -std=gnu99
MAKEFLAGS += --no-print-directory
OBJS = $(C_SRCS:.c=.o)
DEPFLAGS = -MMD -MP -MF $*.d.tmp
# Compile first input $< (.c) into $@ (.o)
COMPILE_C=\
$(Q)echo " CC $@"; \
$(CC) -o $@ $(DEPFLAGS) $(CFLAGS) -c $< && \
mv -f $*.d.tmp $*.d
# Link $(OBJS) and $(LIBS) into $@ (app)
LINK_C=\
$(Q)echo " LINK $@"; \
$(CC) -o $@ $(CPPFLAGS) $(LDFLAGS) $(OBJS) $(LIBS)
# Archive $(OBJS) into $@ (.a)
LIB_C=\
$(Q)echo " LIB $@"; \
ar crDs $@ $(OBJS)
# Clean up generated files listed as arguments plus a default list
CLEAN_C=\
$(Q)rm -f *.a *.o *.d *.d.tmp *.gcno *.gcda
%.o: %.c %.d $(MAKEFILE_LIST)
$(COMPILE_C)
%.d: ;
DPDK_DIR ?= $(CONFIG_DPDK_DIR)
export DPDK_DIR_ABS = $(abspath $(DPDK_DIR))
DPDK_INC_DIR ?= $(DPDK_DIR_ABS)/include
DPDK_LIB_DIR ?= $(DPDK_DIR_ABS)/lib
DPDK_INC = -I$(DPDK_INC_DIR)
DPDK_LIB = -L$(DPDK_LIB_DIR) -lrte_eal -lrte_mempool -lrte_ring -Wl,-rpath=$(DPDK_LIB_DIR)
# librte_malloc was removed after DPDK 2.1. Link this library conditionally based on its
# existence to maintain backward compatibility.
ifneq ($(wildcard $(DPDK_DIR_ABS)/lib/librte_malloc.*),)
DPDK_LIB += -lrte_malloc
endif
# DPDK requires dl library for dlopen/dlclose on Linux.
ifeq ($(OS),Linux)
DPDK_LIB += -ldl
endif
ifeq ($(OS),FreeBSD)
DPDK_LIB += -lexecinfo
endif