xref: /spdk/mk/spdk.common.mk (revision f6866117acb32c78d5ea7bd76ba330284655af35) 
1#  SPDX-License-Identifier: BSD-3-Clause
2#  Copyright (C) 2015 Intel Corporation.
3#  Copyright (c) 2017, IBM Corporation.
4#  Copyright (c) 2019, 2021 Mellanox Corporation.
5#  Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES
6#  All rights reserved.
7#  Copyright (c) 2022 Dell Inc, or its subsidiaries.
8#
9
10ifeq ($(wildcard $(SPDK_ROOT_DIR)/mk/config.mk),)
11$(error mk/config.mk: file not found. Please run configure before make)
12endif
13
14include $(SPDK_ROOT_DIR)/mk/config.mk
15-include $(SPDK_ROOT_DIR)/mk/cc.flags.mk
16-include $(SPDK_ROOT_DIR)/mk/cc.mk
17
18ifneq ($(V),1)
19Q ?= @
20endif
21S ?= $(notdir $(CURDIR))
22
23DESTDIR?=
24EXEEXT?=
25
26ifneq ($(prefix),)
27CONFIG_PREFIX=$(prefix)
28endif
29
30bindir?=$(CONFIG_PREFIX)/bin
31ifeq ($(CONFIG_LIBDIR),)
32libdir?=$(CONFIG_PREFIX)/lib
33else
34libdir?=$(CONFIG_LIBDIR)
35endif
36includedir?=$(CONFIG_PREFIX)/include
37
38ifeq ($(MAKECMDGOALS),)
39MAKECMDGOALS=$(.DEFAULT_GOAL)
40endif
41
42TARGET_TRIPLET := $(shell $(CC) -dumpmachine)
43TARGET_TRIPLET_WORDS := $(subst -, ,$(TARGET_TRIPLET))
44
45ifneq ($(filter linux%,$(TARGET_TRIPLET_WORDS)),)
46OS = Linux
47endif
48ifneq ($(filter freebsd%,$(TARGET_TRIPLET_WORDS)),)
49OS = FreeBSD
50endif
51ifneq ($(filter mingw% windows%,$(TARGET_TRIPLET_WORDS)),)
52OS = Windows
53endif
54
55TARGET_ARCHITECTURE ?= $(CONFIG_ARCH)
56TARGET_MACHINE := $(firstword $(TARGET_TRIPLET_WORDS))
57
58ifeq ($(OS),Windows)
59EXEEXT = .exe
60endif
61
62COMMON_CFLAGS = -g $(C_OPT) -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wmissing-declarations -fno-strict-aliasing -I$(SPDK_ROOT_DIR)/include
63
64ifneq ($(filter powerpc% ppc%,$(TARGET_MACHINE)),)
65COMMON_CFLAGS += -mcpu=$(TARGET_ARCHITECTURE)
66else ifeq ($(TARGET_MACHINE),aarch64)
67COMMON_CFLAGS += -march=$(TARGET_ARCHITECTURE)
68COMMON_CFLAGS += -DPAGE_SIZE=$(shell getconf PAGESIZE)
69else ifeq ('$(TARGET_MACHINE)|$(TARGET_ARCHITECTURE)','riscv64|native')
70# -march=native is not yet supported by GCC on RISC-V. Falling back to default.
71else ifneq ($(filter loongarch%,$(TARGET_MACHINE)),)
72COMMON_CFLAGS += -march=$(TARGET_ARCHITECTURE)
73COMMON_CFLAGS += -DPAGE_SIZE=$(shell getconf PAGESIZE)
74else
75COMMON_CFLAGS += -march=$(TARGET_ARCHITECTURE)
76endif
77
78ifeq ($(TARGET_MACHINE),x86_64)
79ifeq ($(CC_TYPE),gcc)
80ifneq (,$(shell $(CC) --target-help 2>/dev/null | grep -e -mavx512f >/dev/null && echo 1))
81# Don't use AVX-512 instructions in SPDK code - it breaks Valgrind for
82# some cases where compiler decides to hyper-optimize a relatively
83# simple operation (like int-to-float conversion) using AVX-512
84COMMON_CFLAGS += -mno-avx512f
85endif
86endif
87ifeq ($(CC_TYPE),clang)
88LLC=llc$(shell echo $(CC) | grep -o -E  "\-[0-9]{2}")
89ifneq (,$(shell $(LLC) -march=x86-64 -mattr=help 2>&1 | grep -e avx512f >/dev/null && echo 1))
90COMMON_CFLAGS += -mno-avx512f
91endif
92endif
93endif
94
95ifeq ($(CONFIG_WERROR), y)
96COMMON_CFLAGS += -Werror
97endif
98
99ifeq ($(CONFIG_LTO),y)
100COMMON_CFLAGS += -flto
101LDFLAGS += -flto
102endif
103
104ifeq ($(CONFIG_PGO_CAPTURE),y)
105COMMON_CFLAGS += -fprofile-generate=$(SPDK_ROOT_DIR)/build/pgo
106LDFLAGS += -fprofile-generate=$(SPDK_ROOT_DIR)/build/pgo
107endif
108
109ifeq ($(CONFIG_PGO_USE),y)
110COMMON_CFLAGS += -fprofile-use=$(SPDK_ROOT_DIR)/build/pgo
111LDFLAGS += -fprofile-use=$(SPDK_ROOT_DIR)/build/pgo
112endif
113
114ifeq ($(CONFIG_CET),y)
115COMMON_CFLAGS += -fcf-protection
116LDFLAGS += -fcf-protection
117endif
118
119COMMON_CFLAGS += -Wformat -Wformat-security
120
121COMMON_CFLAGS += -D_GNU_SOURCE
122
123# Always build PIC code so that objects can be used in shared libs and position-independent executables
124COMMON_CFLAGS += -fPIC
125
126# Enable stack buffer overflow checking
127COMMON_CFLAGS += -fstack-protector
128
129ifeq ($(OS).$(CC_TYPE),Windows.gcc)
130# Workaround for gcc bug 86832 - invalid TLS usage
131COMMON_CFLAGS += -mstack-protector-guard=global
132endif
133
134# Prevent accidental multiple definitions of global variables
135COMMON_CFLAGS += -fno-common
136
137# Enable full RELRO - no lazy relocation (resolve everything at load time).
138# This allows the GOT to be made read-only early in the loading process.
139ifneq ($(OS),Windows)
140LDFLAGS += -Wl,-z,relro,-z,now
141endif
142
143# Make the stack non-executable.
144# This is the default in most environments, but it doesn't hurt to set it explicitly.
145ifneq ($(OS),Windows)
146LDFLAGS += -Wl,-z,noexecstack
147endif
148
149# Specify the linker to use
150ifneq ($(LD_TYPE),)
151LDFLAGS += -fuse-ld=$(LD_TYPE)
152endif
153
154SYS_LIBS =
155
156ifeq ($(OS),FreeBSD)
157SYS_LIBS += -L/usr/local/lib
158COMMON_CFLAGS += -I/usr/local/include
159endif
160
161ifeq ($(CONFIG_RDMA),y)
162SYS_LIBS += -libverbs -lrdmacm
163endif
164
165ifeq ($(CONFIG_URING),y)
166SYS_LIBS += -luring
167ifneq ($(strip $(CONFIG_URING_PATH)),)
168CFLAGS += -I$(CONFIG_URING_PATH)
169LDFLAGS += -L$(CONFIG_URING_PATH)
170endif
171endif
172
173ifeq ($(CONFIG_AVAHI),y)
174SYS_LIBS += -lavahi-common -lavahi-client
175endif
176
177IPSEC_MB_DIR=$(CONFIG_IPSEC_MB_DIR)
178
179ISAL_DIR=$(SPDK_ROOT_DIR)/isa-l
180ISAL_CRYPTO_DIR=$(SPDK_ROOT_DIR)/isa-l-crypto
181ifeq ($(CONFIG_ISAL), y)
182SYS_LIBS += -L$(ISAL_DIR)/.libs -lisal
183COMMON_CFLAGS += -I$(ISAL_DIR)/..
184ifeq ($(CONFIG_ISAL_CRYPTO), y)
185SYS_LIBS += -L$(ISAL_CRYPTO_DIR)/.libs -lisal_crypto
186COMMON_CFLAGS += -I$(ISAL_CRYPTO_DIR)/..
187endif
188endif
189
190ifeq ($(CONFIG_VFIO_USER), y)
191ifneq ($(CONFIG_VFIO_USER_DIR),)
192VFIO_USER_SRC_DIR=$(CONFIG_VFIO_USER_DIR)
193else
194VFIO_USER_SRC_DIR=$(SPDK_ROOT_DIR)/libvfio-user
195endif
196ifeq ($(CONFIG_DEBUG), y)
197VFIO_USER_BUILD_TYPE=debug
198else
199VFIO_USER_BUILD_TYPE=release
200endif
201ifeq ($(CONFIG_SHARED), y)
202VFIO_USER_BUILD_SHARED=shared
203else
204VFIO_USER_BUILD_SHARED=static
205endif
206VFIO_USER_LIB_PREFIX=/usr/local/lib
207VFIO_USER_BUILD_DIR=$(SPDK_ROOT_DIR)/build/libvfio-user/build-$(VFIO_USER_BUILD_TYPE)
208VFIO_USER_INSTALL_DIR=$(SPDK_ROOT_DIR)/build/libvfio-user
209VFIO_USER_INCLUDE_DIR=$(VFIO_USER_INSTALL_DIR)/usr/local/include
210VFIO_USER_LIBRARY_DIR=$(VFIO_USER_INSTALL_DIR)$(VFIO_USER_LIB_PREFIX)
211
212CFLAGS += -I$(VFIO_USER_INCLUDE_DIR)
213LDFLAGS += -L$(VFIO_USER_LIBRARY_DIR)
214SYS_LIBS += -lvfio-user -ljson-c
215endif
216
217ifeq ($(CONFIG_XNVME), y)
218XNVME_DIR=$(SPDK_ROOT_DIR)/xnvme
219XNVME_INSTALL_DIR=$(XNVME_DIR)/builddir/lib
220XNVME_INCLUDE_DIR=$(XNVME_DIR)/include
221
222CFLAGS += -I$(XNVME_INCLUDE_DIR)
223LDFLAGS += -L$(XNVME_INSTALL_DIR)
224SYS_LIBS += -lxnvme
225ifneq ($(CONFIG_URING), y)
226SYS_LIBS += -luring
227endif
228endif
229
230ifeq ($(CONFIG_DAOS),y)
231ifneq ($(CONFIG_DAOS_DIR),)
232CFLAGS += -I$(CONFIG_DAOS_DIR)/include
233LDFLAGS += -L$(CONFIG_DAOS_DIR)/lib64
234endif
235endif
236
237ifeq ($(CONFIG_UBLK),y)
238SYS_LIBS += -luring
239endif
240
241#Attach only if FreeBSD and RDMA is specified with configure
242ifeq ($(OS),FreeBSD)
243ifeq ($(CONFIG_RDMA),y)
244# Mellanox - MLX4 HBA Userspace Library
245ifneq ("$(wildcard /usr/lib/libmlx4.*)","")
246SYS_LIBS += -lmlx4
247endif
248# Mellanox - MLX5 HBA Userspace Library
249ifneq ("$(wildcard /usr/lib/libmlx5.*)","")
250SYS_LIBS += -lmlx5
251endif
252# Chelsio HBA Userspace Library
253ifneq ("$(wildcard /usr/lib/libcxgb4.*)","")
254SYS_LIBS += -lcxgb4
255endif
256endif
257endif
258
259ifeq ($(CONFIG_FC),y)
260ifneq ($(strip $(CONFIG_FC_PATH)),)
261SYS_LIBS += -L$(CONFIG_FC_PATH)
262endif
263SYS_LIBS += -lufc
264endif
265
266ifeq ($(CONFIG_DEBUG), y)
267COMMON_CFLAGS += -DDEBUG -O0 -fno-omit-frame-pointer
268else
269COMMON_CFLAGS += -DNDEBUG -O2
270# Enable _FORTIFY_SOURCE checks - these only work when optimizations are enabled.
271COMMON_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
272endif
273
274ifeq ($(CONFIG_COVERAGE), y)
275COMMON_CFLAGS += -fprofile-arcs -ftest-coverage
276LDFLAGS += -fprofile-arcs -ftest-coverage
277ifeq ($(OS),FreeBSD)
278LDFLAGS += --coverage
279endif
280endif
281
282ifeq ($(OS),Windows)
283WPDK_DIR = $(abspath $(CONFIG_WPDK_DIR))
284COMMON_CFLAGS += -I$(WPDK_DIR)/include/wpdk -I$(WPDK_DIR)/include
285LDFLAGS += -L$(WPDK_DIR)/lib
286ifeq ($(CONFIG_SHARED),y)
287SYS_LIBS += -lwpdk
288else
289SYS_LIBS += $(WPDK_DIR)/lib/libwpdk.a
290endif
291SYS_LIBS += -ldbghelp -lkernel32 -lsetupapi -lws2_32 -lrpcrt4 -liphlpapi
292endif
293
294include $(CONFIG_ENV)/env.mk
295
296ifeq ($(CONFIG_ASAN),y)
297COMMON_CFLAGS += -fsanitize=address
298LDFLAGS += -fsanitize=address
299endif
300
301ifeq ($(CONFIG_UBSAN),y)
302COMMON_CFLAGS += -fsanitize=undefined
303LDFLAGS += -fsanitize=undefined
304endif
305
306ifeq ($(CONFIG_TSAN),y)
307COMMON_CFLAGS += -fsanitize=thread
308LDFLAGS += -fsanitize=thread
309endif
310
311ifeq ($(CONFIG_FUZZER),y)
312COMMON_CFLAGS += -fsanitize=fuzzer-no-link
313LDFLAGS += -fsanitize=fuzzer-no-link
314SYS_LIBS += $(CONFIG_FUZZER_LIB)
315endif
316
317SPDK_GIT_COMMIT := $(shell git rev-parse --short HEAD 2>/dev/null)
318ifneq (, $(SPDK_GIT_COMMIT))
319COMMON_CFLAGS += -DSPDK_GIT_COMMIT=$(SPDK_GIT_COMMIT)
320endif
321
322ifneq ($(OS),Windows)
323COMMON_CFLAGS += -pthread
324SYS_LIBS += -pthread
325endif
326
327ifeq ($(CONFIG_IDXD_KERNEL),y)
328SYS_LIBS += -laccel-config
329endif
330
331CFLAGS   += $(COMMON_CFLAGS) -Wno-pointer-sign -Wstrict-prototypes -Wold-style-definition -std=gnu99
332CXXFLAGS += $(COMMON_CFLAGS) -std=c++11
333
334SYS_LIBS += -lrt
335ifneq ($(OS),FreeBSD)
336SYS_LIBS += -luuid
337endif
338SYS_LIBS += -lssl
339SYS_LIBS += -lcrypto
340SYS_LIBS += -lm
341
342PKGCONF ?= pkg-config
343ifneq ($(strip $(CONFIG_OPENSSL_PATH)),)
344CFLAGS += -I$(CONFIG_OPENSSL_PATH)/include
345LDFLAGS += -L$(CONFIG_OPENSSL_PATH)
346else
347# `libssl11` name is unique to Centos7 via EPEL
348# So it's safe to add it here without additional check for Centos7
349ifeq ($(shell $(PKGCONF) --exists libssl11 && echo 1),1)
350CFLAGS  += $(shell $(PKGCONF) --cflags libssl11)
351LDFLAGS += $(shell $(PKGCONF) --libs libssl11)
352endif
353endif
354
355ifneq ($(CONFIG_NVME_CUSE)$(CONFIG_FUSE),nn)
356SYS_LIBS += -lfuse3
357endif
358
359ifeq ($(OS).$(CC_TYPE),Windows.gcc)
360# Include libssp.a for stack-protector and _FORTIFY_SOURCE
361SYS_LIBS += -l:libssp.a
362endif
363
364MAKEFLAGS += --no-print-directory
365
366C_SRCS += $(C_SRCS-y)
367CXX_SRCS += $(CXX_SRCS-y)
368
369OBJS = $(C_SRCS:.c=.o) $(CXX_SRCS:.cpp=.o)
370
371DEPFLAGS = -MMD -MP -MF $*.d.tmp
372
373# Compile first input $< (.c) into $@ (.o)
374COMPILE_C=\
375	$(Q)echo "  CC $S/$@"; \
376	$(CC) -o $@ $(DEPFLAGS) $(CFLAGS) -c $< && \
377	mv -f $*.d.tmp $*.d && touch -c $@
378
379COMPILE_CXX=\
380	$(Q)echo "  CXX $S/$@"; \
381	$(CXX) -o $@ $(DEPFLAGS) $(CXXFLAGS) -c $< && \
382	mv -f $*.d.tmp $*.d && touch -c $@
383
384ENV_LDFLAGS = $(if $(SPDK_NO_LINK_ENV),,$(ENV_LINKER_ARGS))
385
386# Link $(OBJS) and $(LIBS) into $@ (app)
387LINK_C=\
388	$(Q)echo "  LINK $(notdir $@)"; \
389	$(CC) -o $@ $(CPPFLAGS) $(LDFLAGS) $(OBJS) $(LIBS) $(ENV_LDFLAGS) $(SYS_LIBS)
390
391LINK_CXX=\
392	$(Q)echo "  LINK $(notdir $@)"; \
393	$(CXX) -o $@ $(CPPFLAGS) $(LDFLAGS) $(OBJS) $(LIBS) $(ENV_LDFLAGS) $(SYS_LIBS)
394
395# Provide function to ease build of a shared lib
396define spdk_build_realname_shared_lib
397	$(1) -o $@ -shared $(CPPFLAGS) $(LDFLAGS) \
398	    -Wl,-rpath=$(DESTDIR)/$(libdir) \
399	    -Wl,--soname,$(notdir $@) \
400	    -Wl,--whole-archive $(2) -Wl,--no-whole-archive \
401	    -Wl,--version-script=$(3) \
402	    $(4) -Wl,--no-as-needed $(5) -Wl,--as-needed
403endef
404
405BUILD_LINKERNAME_LIB=\
406	ln -sf $(notdir $<) $@
407
408# Archive $(OBJS) into $@ (.a)
409LIB_C=\
410	$(Q)echo "  LIB $(notdir $@)"; \
411	rm -f $@; \
412	mkdir -p $(dir $@); \
413	$(CCAR) crDs $@ $(OBJS)
414
415# Clean up generated files listed as arguments plus a default list
416CLEAN_C=\
417	$(Q)rm -f *.a *.lib *.o *.obj *.d *.d.tmp *.pdb *.gcno *.gcda
418
419# Install a library
420INSTALL_LIB=\
421	$(Q)echo "  INSTALL $(DESTDIR)$(libdir)/$(notdir $(LIB))"; \
422	install -d -m 755 "$(DESTDIR)$(libdir)"; \
423	install -m 644 "$(LIB)" "$(DESTDIR)$(libdir)/"
424
425# Uninstall a library
426UNINSTALL_LIB=\
427	$(Q)echo "  UNINSTALL $(DESTDIR)$(libdir)/$(notdir $(LIB))";\
428	rm -f "$(DESTDIR)$(libdir)/$(notdir $(LIB))"; \
429	if [ -d "$(DESTDIR)$(libdir)" ] && [ $$(ls -A "$(DESTDIR)$(libdir)" | wc -l) -eq 0 ]; then rm -rf "$(DESTDIR)$(libdir)"; fi
430
431define pkgconfig_install
432	echo "  INSTALL $(DESTDIR)$(libdir)/pkgconfig/$(notdir $(1))";
433	install -d -m 755 "$(DESTDIR)$(libdir)/pkgconfig";
434	install -m 644 "$(1)" "$(DESTDIR)$(libdir)/pkgconfig";
435endef
436
437define pkgconfig_uninstall
438	echo "  UNINSTALL $(DESTDIR)$(libdir)/pkgconfig/$(notdir $(1))";
439	rm -f "$(DESTDIR)$(libdir)/pkgconfig/$(notdir $(1))";
440	if [ -d "$(DESTDIR)$(libdir)/pkgconfig" ] && [ $$(ls -A "$(DESTDIR)$(libdir)/pkgconfig" | wc -l) -eq 0 ]; then rm -rf "$(DESTDIR)$(libdir)/pkgconfig"; fi;
441endef
442
443ifeq ($(OS),FreeBSD)
444INSTALL_REL_SYMLINK := install -l rs
445else
446INSTALL_REL_SYMLINK := ln -sf -r
447endif
448
449define spdk_install_lib_symlink
450	$(INSTALL_REL_SYMLINK) $(DESTDIR)$(libdir)/$(1) $(DESTDIR)$(libdir)/$(2)
451endef
452
453INSTALL_SHARED_LIB=\
454	$(Q)echo "  INSTALL $(DESTDIR)$(libdir)/$(notdir $(SHARED_LINKED_LIB))"; \
455	install -d -m 755 "$(DESTDIR)$(libdir)"; \
456	if file $(SHARED_REALNAME_LIB) | grep -q 'LSB shared object'; then \
457		perm_mode=755; \
458	else \
459		perm_mode=644; \
460	fi; \
461	install -m $$perm_mode "$(SHARED_REALNAME_LIB)" "$(DESTDIR)$(libdir)/"; \
462	$(call spdk_install_lib_symlink,$(notdir $(SHARED_REALNAME_LIB)),$(notdir $(SHARED_LINKED_LIB)));
463
464# Uninstall an shared library
465UNINSTALL_SHARED_LIB=\
466	$(Q)echo "  UNINSTALL $(DESTDIR)$(libdir)/$(notdir $(SHARED_LINKED_LIB))"; \
467	rm -f "$(DESTDIR)$(libdir)/$(notdir $(SHARED_LINKED_LIB))"; \
468	rm -f "$(DESTDIR)$(libdir)/$(notdir $(SHARED_REALNAME_LIB))"; \
469	if [ -d "$(DESTDIR)$(libdir)" ] && [ $$(ls -A "$(DESTDIR)$(libdir)" | wc -l) -eq 0 ]; then rm -rf "$(DESTDIR)$(libdir)"; fi
470
471
472# Install an app binary
473INSTALL_APP=\
474	$(Q)echo "  INSTALL $(DESTDIR)$(bindir)/$(notdir $<)"; \
475	install -d -m 755 "$(DESTDIR)$(bindir)"; \
476	install -m 755 "$<" "$(DESTDIR)$(bindir)/"
477
478# Uninstall an app binary
479UNINSTALL_APP=\
480        $(Q)echo "  UNINSTALL $(DESTDIR)$(bindir)/$(notdir $(APP))"; \
481	rm -f "$(DESTDIR)$(bindir)/$(notdir $(APP))"; \
482	if [ -d "$(DESTDIR)$(bindir)" ] && [ $$(ls -A "$(DESTDIR)$(bindir)" | wc -l) -eq 0 ]; then rm -rf "$(DESTDIR)$(bindir)"; fi
483
484INSTALL_EXAMPLE=\
485	$(Q)echo "  INSTALL $(DESTDIR)$(bindir)/spdk_$(strip $(subst /,_,$(subst $(SPDK_ROOT_DIR)/examples/, ,$(CURDIR))))"; \
486	install -d -m 755 "$(DESTDIR)$(bindir)"; \
487	install -m 755 "$<" "$(DESTDIR)$(bindir)/spdk_$(strip $(subst /,_,$(subst $(SPDK_ROOT_DIR)/examples/, ,$(CURDIR))))"
488
489# Uninstall an example binary
490UNINSTALL_EXAMPLE=\
491	$(Q)echo "  UNINSTALL $(DESTDIR)$(bindir)/spdk_$(strip $(subst /,_,$(subst $(SPDK_ROOT_DIR)/examples/, ,$(CURDIR))))"; \
492	rm -f "$(DESTDIR)$(bindir)/spdk_$(strip $(subst /,_,$(subst $(SPDK_ROOT_DIR)/examples/, ,$(CURDIR))))"; \
493	if [ -d "$(DESTDIR)$(bindir)" ] && [ $$(ls -A "$(DESTDIR)$(bindir)" | wc -l) -eq 0 ]; then rm -rf "$(DESTDIR)$(bindir)"; fi
494
495# Install a header
496INSTALL_HEADER=\
497	$(Q)echo "  INSTALL $@"; \
498	install -d -m 755 "$(DESTDIR)$(includedir)/$(dir $(patsubst $(DESTDIR)$(includedir)/%,%,$@))"; \
499	install -m 644 "$(patsubst $(DESTDIR)$(includedir)/%,%,$@)" "$(DESTDIR)$(includedir)/$(dir $(patsubst $(DESTDIR)$(includedir)/%,%,$@))";
500
501# Uninstall a header
502UNINSTALL_HEADER=\
503	$(Q)echo "  UNINSTALL $@"; \
504	rm -rf "$(DESTDIR)$(includedir)/$(dir $(patsubst $(DESTDIR)$(includedir)/%,%,$@))$(notdir $@)"; \
505	if [ -d "$(DESTDIR)$(includedir)/$(dir $(patsubst $(DESTDIR)$(includedir)/%,%,$@))" ] \
506	&& [ $$(ls -A "$(DESTDIR)$(includedir)/$(dir $(patsubst $(DESTDIR)$(includedir)/%,%,$@))" | wc -l) -eq 0 ]; \
507	then rm -rf "$(DESTDIR)$(includedir)/$(dir $(patsubst $(DESTDIR)$(includedir)/%,%,$@))"; fi
508
509%.o: %.c %.d $(MAKEFILE_LIST)
510	$(COMPILE_C)
511
512%.o: %.cpp %.d $(MAKEFILE_LIST)
513	$(COMPILE_CXX)
514
515%.d: ;
516
517define spdk_lib_list_to_static_libs
518$(1:%=$(SPDK_ROOT_DIR)/build/lib/libspdk_%.a)
519endef
520
521define spdk_lib_list_to_shared_libs
522$(1:%=$(SPDK_ROOT_DIR)/build/lib/libspdk_%.so)
523endef
524
525define add_no_as_needed
526-Wl,--no-as-needed $(1) -Wl,-as-needed
527endef
528
529define add_whole_archive
530-Wl,--whole-archive $(1) -Wl,--no-whole-archive
531endef
532
533define pkgconfig_filename
534$(SPDK_ROOT_DIR)/build/lib/pkgconfig/$(1).pc
535endef
536