examples/performance-thread/pthread_shim/Makefile

   1 # SPDX-License-Identifier: BSD-3-Clause
   2 # Copyright(c) 2010-2020 Intel Corporation
   3
   4 # binary name
   5 APP = lthread_pthread_shim
   6
   7 # all source are stored in SRCS-y
   8 SRCS-y := main.c pthread_shim.c
   9
  10 include ../common/common.mk
  11
  12 ifeq ($(MAKECMDGOALS),static)
  13 # check for broken pkg-config
  14 ifeq ($(shell echo $(LDFLAGS_STATIC) | grep 'whole-archive.*l:lib.*no-whole-archive'),)
  15 $(warning "pkg-config output list does not contain drivers between 'whole-archive'/'no-whole-archive' flags.")
  16 $(error "Cannot generate statically-linked binaries with this version of pkg-config")
  17 endif
  18 endif
  19
  20 CFLAGS += -DALLOW_EXPERIMENTAL_API
  21 CFLAGS += -D_GNU_SOURCE
  22 LDFLAGS += "-Wl,--copy-dt-needed-entries"
  23
  24 # Build using pkg-config variables if possible
  25 ifneq ($(shell pkg-config --exists libdpdk && echo 0),0)
  26 $(error "no installation of DPDK found")
  27 endif
  28
  29 all: shared
  30 .PHONY: shared static
  31 shared: build/$(APP)-shared
  32         ln -sf $(APP)-shared build/$(APP)
  33 static: build/$(APP)-static
  34         ln -sf $(APP)-static build/$(APP)
  35
  36 LDFLAGS += -lpthread
  37
  38 PKGCONF ?= pkg-config
  39
  40 PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null)
  41 CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
  42 LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
  43 LDFLAGS_STATIC = $(shell $(PKGCONF) --static --libs libdpdk)
  44
  45 build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build
  46         $(CC) $(CFLAGS) $(filter %.c,$^) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)
  47
  48 build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build
  49         $(CC) $(CFLAGS) $(filter %.c,$^) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)
  50
  51 # workaround for a gcc bug with noreturn attribute
  52 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12603
  53 ifeq ($(shell gcc -dumpversion),-gt 0)
  54 CFLAGS_main.o += -Wno-return-type
  55 endif
  56
  57 build:
  58         @mkdir -p $@
  59
  60 .PHONY: clean
  61 clean:
  62         rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared
  63         test -d build && rmdir -p build || true