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 ifeq ($(CC_NO_CLANG), 0)
35 CFLAGS += -O3
36 else
37 CFLAGS += -O6
38 endif
39 endif
40
41 ifeq ($(DEBUG),0)
42 CFLAGS += -D_FORTIFY_SOURCE
43 endif
44
45 # Treat warnings as errors unless directed not
46 ifneq ($(WERROR),0)
47 CFLAGS += -Werror
48 endif
49
50 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET
51
52 CFLAGS += -I$(srctree)/tools/lib
53 CFLAGS += -I$(srctree)/tools/include
54
55 RM = rm -f
56
57 SYMBOL_IN := $(OUTPUT)libsymbol-in.o
58
59 ifeq ($(LP64), 1)
60 libdir_relative = lib64
61 else
62 libdir_relative = lib
63 endif
64
65 prefix ?=
66 libdir = $(prefix)/$(libdir_relative)
67
68 # Shell quotes
69 libdir_SQ = $(subst ','\'',$(libdir))
70
71 all:
72
73 export srctree OUTPUT CC LD CFLAGS V
74 include $(srctree)/tools/build/Makefile.includ
75 include $(srctree)/tools/scripts/Makefile.incl
76
77 all: fixdep $(LIBFILE)
78
79 $(SYMBOL_IN): FORCE
80 @$(MAKE) $(build)=libsymbol
81
82 $(LIBFILE): $(SYMBOL_IN)
83 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(
84
85 define do_install_mkdir
86 if [ ! -d '$(DESTDIR_SQ)$1' ]; then
87 $(INSTALL) -d -m 755 '$(DESTDI
88 fi
89 endef
90
91 define do_install
92 if [ ! -d '$2' ]; then \
93 $(INSTALL) -d -m 755 '$2'; \
94 fi; \
95 $(INSTALL) $1 $(if $3,-m $3,) '$2'
96 endef
97
98 install_lib: $(LIBFILE)
99 $(call QUIET_INSTALL, $(LIBFILE)) \
100 $(call do_install_mkdir,$(libd
101 cp -fpR $(LIBFILE) $(DESTDIR)$
102
103 HDRS := kallsyms.h
104 INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/includ
105 INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX
106
107 $(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h
108 $(call QUIET_INSTALL, $@) \
109 $(call do_install,$<,$(INSTALL
110
111 install_headers: $(INSTALL_HDRS)
112 $(call QUIET_INSTALL, libsymbol_header
113
114 install: install_lib install_headers
115
116 clean:
117 $(call QUIET_CLEAN, libsymbol) $(RM) $
118 find $(or $(OUTPUT),.) -name \*.o -or
119
120 FORCE:
121
122 .PHONY: clean FORCE
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