1 # SPDX-License-Identifier: GPL-2.0
2 include ../../scripts/Makefile.include
3 include ../../scripts/utilities.mak
4
5 ifeq ($(srctree),)
6 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
7 srctree := $(patsubst %/,%,$(dir $(srctree)))
8 srctree := $(patsubst %/,%,$(dir $(srctree)))
9 #$(info Determined 'srctree' to be $(srctree))
10 endif
11
12 CC ?= $(CROSS_COMPILE)gcc
13 AR ?= $(CROSS_COMPILE)ar
14 LD ?= $(CROSS_COMPILE)ld
15
16 MAKEFLAGS += --no-print-directory
17
18 INSTALL = install
19
20
21 # Use DESTDIR for installing into a different
22 # This is useful for building a package. The p
23 # installed in this directory as if it was the
24 # Then the build tool can move it later.
25 DESTDIR ?=
26 DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
27
28 LIBFILE = $(OUTPUT)libapi.a
29
30 CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
31 CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_F
32
33 ifeq ($(DEBUG),0)
34 CFLAGS += -O3
35 endif
36
37 ifeq ($(DEBUG),0)
38 CFLAGS += -D_FORTIFY_SOURCE
39 endif
40
41 # Treat warnings as errors unless directed not
42 ifneq ($(WERROR),0)
43 CFLAGS += -Werror
44 endif
45
46 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET
47 CFLAGS += -I$(srctree)/tools/lib/api
48 CFLAGS += -I$(srctree)/tools/include
49
50 RM = rm -f
51
52 API_IN := $(OUTPUT)libapi-in.o
53
54 ifeq ($(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:
67
68 export srctree OUTPUT CC LD CFLAGS V
69 include $(srctree)/tools/build/Makefile.includ
70 include $(srctree)/tools/scripts/Makefile.incl
71
72 all: fixdep $(LIBFILE)
73
74 $(API_IN): FORCE
75 @$(MAKE) $(build)=libapi
76
77 $(LIBFILE): $(API_IN)
78 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(
79
80 define do_install_mkdir
81 if [ ! -d '$(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:
124 $(call QUIET_CLEAN, libapi) $(RM) $(LI
125 find $(or $(OUTPUT),.) -name \*.o -or
126
127 FORCE:
128
129 .PHONY: clean FORCE
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