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)libsymbol.a
29
30 CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
31 CFLAGS += -ggdb3 -Wall -Wextra -std=gnu11 -U_F
32
33 ifeq ($(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
48 CFLAGS += -I$(srctree)/tools/lib
49 CFLAGS += -I$(srctree)/tools/include
50
51 RM = rm -f
52
53 SYMBOL_IN := $(OUTPUT)libsymbol-in.o
54
55 ifeq ($(LP64), 1)
56 libdir_relative = lib64
57 else
58 libdir_relative = lib
59 endif
60
61 prefix ?=
62 libdir = $(prefix)/$(libdir_relative)
63
64 # Shell quotes
65 libdir_SQ = $(subst ','\'',$(libdir))
66
67 all:
68
69 export srctree OUTPUT CC LD CFLAGS V
70 include $(srctree)/tools/build/Makefile.includ
71 include $(srctree)/tools/scripts/Makefile.incl
72
73 all: fixdep $(LIBFILE)
74
75 $(SYMBOL_IN): FORCE
76 @$(MAKE) $(build)=libsymbol
77
78 $(LIBFILE): $(SYMBOL_IN)
79 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(
80
81 define do_install_mkdir
82 if [ ! -d '$(DESTDIR_SQ)$1' ]; then
83 $(INSTALL) -d -m 755 '$(DESTDI
84 fi
85 endef
86
87 define do_install
88 if [ ! -d '$2' ]; then \
89 $(INSTALL) -d -m 755 '$2'; \
90 fi; \
91 $(INSTALL) $1 $(if $3,-m $3,) '$2'
92 endef
93
94 install_lib: $(LIBFILE)
95 $(call QUIET_INSTALL, $(LIBFILE)) \
96 $(call do_install_mkdir,$(libd
97 cp -fpR $(LIBFILE) $(DESTDIR)$
98
99 HDRS := kallsyms.h
100 INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/includ
101 INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX
102
103 $(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h
104 $(call QUIET_INSTALL, $@) \
105 $(call do_install,$<,$(INSTALL
106
107 install_headers: $(INSTALL_HDRS)
108 $(call QUIET_INSTALL, libsymbol_header
109
110 install: install_lib install_headers
111
112 clean:
113 $(call QUIET_CLEAN, libsymbol) $(RM) $
114 find $(or $(OUTPUT),.) -name \*.o -or
115
116 FORCE:
117
118 .PHONY: clean FORCE
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