1 # SPDX-License-Identifier: GPL-2.0 <<
2 include ../../scripts/Makefile.include 1 include ../../scripts/Makefile.include
3 include ../../scripts/utilities.mak 2 include ../../scripts/utilities.mak # QUIET_CLEAN
4 3
5 ifeq ($(srctree),) 4 ifeq ($(srctree),)
6 srctree := $(patsubst %/,%,$(dir $(CURDIR))) 5 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
7 srctree := $(patsubst %/,%,$(dir $(srctree))) 6 srctree := $(patsubst %/,%,$(dir $(srctree)))
8 srctree := $(patsubst %/,%,$(dir $(srctree))) 7 srctree := $(patsubst %/,%,$(dir $(srctree)))
9 #$(info Determined 'srctree' to be $(srctree)) 8 #$(info Determined 'srctree' to be $(srctree))
10 endif 9 endif
11 10
12 CC ?= $(CROSS_COMPILE)gcc !! 11 CC = $(CROSS_COMPILE)gcc
13 AR ?= $(CROSS_COMPILE)ar !! 12 AR = $(CROSS_COMPILE)ar
14 LD ?= $(CROSS_COMPILE)ld !! 13 LD = $(CROSS_COMPILE)ld
15 14
16 MAKEFLAGS += --no-print-directory 15 MAKEFLAGS += --no-print-directory
17 16
18 INSTALL = install <<
19 <<
20 <<
21 # Use DESTDIR for installing into a different <<
22 # This is useful for building a package. The p <<
23 # installed in this directory as if it was the <<
24 # Then the build tool can move it later. <<
25 DESTDIR ?= <<
26 DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' <<
27 <<
28 LIBFILE = $(OUTPUT)libapi.a 17 LIBFILE = $(OUTPUT)libapi.a
29 18
30 CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) 19 CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
31 CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_F !! 20 CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
32 21
33 ifeq ($(DEBUG),0) !! 22 ifeq ($(CC), clang)
34 CFLAGS += -O3 23 CFLAGS += -O3
35 endif !! 24 else
36 !! 25 CFLAGS += -O6
37 ifeq ($(DEBUG),0) <<
38 CFLAGS += -D_FORTIFY_SOURCE <<
39 endif 26 endif
40 27
41 # Treat warnings as errors unless directed not 28 # Treat warnings as errors unless directed not to
42 ifneq ($(WERROR),0) 29 ifneq ($(WERROR),0)
43 CFLAGS += -Werror 30 CFLAGS += -Werror
44 endif 31 endif
45 32
46 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET 33 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
47 CFLAGS += -I$(srctree)/tools/lib/api 34 CFLAGS += -I$(srctree)/tools/lib/api
48 CFLAGS += -I$(srctree)/tools/include 35 CFLAGS += -I$(srctree)/tools/include
49 36
50 RM = rm -f 37 RM = rm -f
51 38
52 API_IN := $(OUTPUT)libapi-in.o 39 API_IN := $(OUTPUT)libapi-in.o
53 40
54 ifeq ($(LP64), 1) <<
55 libdir_relative = lib64 <<
56 else <<
57 libdir_relative = lib <<
58 endif <<
59 <<
60 prefix ?= <<
61 libdir = $(prefix)/$(libdir_relative) <<
62 <<
63 # Shell quotes <<
64 libdir_SQ = $(subst ','\'',$(libdir)) <<
65 <<
66 all: 41 all:
67 42
68 export srctree OUTPUT CC LD CFLAGS V 43 export srctree OUTPUT CC LD CFLAGS V
69 include $(srctree)/tools/build/Makefile.includ 44 include $(srctree)/tools/build/Makefile.include
70 include $(srctree)/tools/scripts/Makefile.incl <<
71 45
72 all: fixdep $(LIBFILE) 46 all: fixdep $(LIBFILE)
73 47
74 $(API_IN): FORCE 48 $(API_IN): FORCE
75 @$(MAKE) $(build)=libapi 49 @$(MAKE) $(build)=libapi
76 50
77 $(LIBFILE): $(API_IN) 51 $(LIBFILE): $(API_IN)
78 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $( 52 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(API_IN)
79 53
80 define do_install_mkdir <<
81 if [ ! -d '$(DESTDIR_SQ)$1' ]; then <<
82 $(INSTALL) -d -m 755 '$(DESTDI <<
83 fi <<
84 endef <<
85 <<
86 define do_install <<
87 if [ ! -d '$2' ]; then \ <<
88 $(INSTALL) -d -m 755 '$2'; \ <<
89 fi; \ <<
90 $(INSTALL) $1 $(if $3,-m $3,) '$2' <<
91 endef <<
92 <<
93 install_lib: $(LIBFILE) <<
94 $(call QUIET_INSTALL, $(LIBFILE)) \ <<
95 $(call do_install_mkdir,$(libd <<
96 cp -fpR $(LIBFILE) $(DESTDIR)$ <<
97 <<
98 HDRS := cpu.h debug.h io.h <<
99 FD_HDRS := fd/array.h <<
100 FS_HDRS := fs/fs.h fs/tracing_path.h <<
101 INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/includ <<
102 INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX <<
103 INSTALL_FD_HDRS := $(addprefix $(INSTALL_HDRS_ <<
104 INSTALL_FS_HDRS := $(addprefix $(INSTALL_HDRS_ <<
105 <<
106 $(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h <<
107 $(call QUIET_INSTALL, $@) \ <<
108 $(call do_install,$<,$(INSTALL <<
109 <<
110 $(INSTALL_FD_HDRS): $(INSTALL_HDRS_PFX)/fd/%.h <<
111 $(call QUIET_INSTALL, $@) \ <<
112 $(call do_install,$<,$(INSTALL <<
113 <<
114 $(INSTALL_FS_HDRS): $(INSTALL_HDRS_PFX)/fs/%.h <<
115 $(call QUIET_INSTALL, $@) \ <<
116 $(call do_install,$<,$(INSTALL <<
117 <<
118 install_headers: $(INSTALL_HDRS) $(INSTALL_FD_ <<
119 $(call QUIET_INSTALL, libapi_headers) <<
120 <<
121 install: install_lib install_headers <<
122 <<
123 clean: 54 clean:
124 $(call QUIET_CLEAN, libapi) $(RM) $(LI 55 $(call QUIET_CLEAN, libapi) $(RM) $(LIBFILE); \
125 find $(or $(OUTPUT),.) -name \*.o -or !! 56 find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
126 57
127 FORCE: 58 FORCE:
128 59
129 .PHONY: clean FORCE 60 .PHONY: clean FORCE
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