1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 include ../../scripts/Makefile.include 2 include ../../scripts/Makefile.include
3 include ../../scripts/utilities.mak 3 include ../../scripts/utilities.mak # QUIET_CLEAN
4 4
5 ifeq ($(srctree),) 5 ifeq ($(srctree),)
6 srctree := $(patsubst %/,%,$(dir $(CURDIR))) 6 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
7 srctree := $(patsubst %/,%,$(dir $(srctree))) 7 srctree := $(patsubst %/,%,$(dir $(srctree)))
8 srctree := $(patsubst %/,%,$(dir $(srctree))) 8 srctree := $(patsubst %/,%,$(dir $(srctree)))
9 #$(info Determined 'srctree' to be $(srctree)) 9 #$(info Determined 'srctree' to be $(srctree))
10 endif 10 endif
11 11
12 CC ?= $(CROSS_COMPILE)gcc 12 CC ?= $(CROSS_COMPILE)gcc
13 AR ?= $(CROSS_COMPILE)ar 13 AR ?= $(CROSS_COMPILE)ar
14 LD ?= $(CROSS_COMPILE)ld 14 LD ?= $(CROSS_COMPILE)ld
15 15
16 MAKEFLAGS += --no-print-directory 16 MAKEFLAGS += --no-print-directory
17 17
18 INSTALL = install 18 INSTALL = install
19 19
20 20
21 # Use DESTDIR for installing into a different 21 # Use DESTDIR for installing into a different root directory.
22 # This is useful for building a package. The p 22 # This is useful for building a package. The program will be
23 # installed in this directory as if it was the 23 # installed in this directory as if it was the root directory.
24 # Then the build tool can move it later. 24 # Then the build tool can move it later.
25 DESTDIR ?= 25 DESTDIR ?=
26 DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' 26 DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
27 27
28 LIBFILE = $(OUTPUT)libsymbol.a 28 LIBFILE = $(OUTPUT)libsymbol.a
29 29
30 CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) 30 CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
31 CFLAGS += -ggdb3 -Wall -Wextra -std=gnu11 -U_F 31 CFLAGS += -ggdb3 -Wall -Wextra -std=gnu11 -U_FORTIFY_SOURCE -fPIC
32 32
33 ifeq ($(DEBUG),0) 33 ifeq ($(DEBUG),0)
34 CFLAGS += -O3 34 CFLAGS += -O3
35 endif 35 endif
36 36
37 ifeq ($(DEBUG),0) 37 ifeq ($(DEBUG),0)
38 CFLAGS += -D_FORTIFY_SOURCE 38 CFLAGS += -D_FORTIFY_SOURCE
39 endif 39 endif
40 40
41 # Treat warnings as errors unless directed not 41 # Treat warnings as errors unless directed not to
42 ifneq ($(WERROR),0) 42 ifneq ($(WERROR),0)
43 CFLAGS += -Werror 43 CFLAGS += -Werror
44 endif 44 endif
45 45
46 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET 46 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
47 47
48 CFLAGS += -I$(srctree)/tools/lib 48 CFLAGS += -I$(srctree)/tools/lib
49 CFLAGS += -I$(srctree)/tools/include 49 CFLAGS += -I$(srctree)/tools/include
50 50
51 RM = rm -f 51 RM = rm -f
52 52
53 SYMBOL_IN := $(OUTPUT)libsymbol-in.o 53 SYMBOL_IN := $(OUTPUT)libsymbol-in.o
54 54
55 ifeq ($(LP64), 1) 55 ifeq ($(LP64), 1)
56 libdir_relative = lib64 56 libdir_relative = lib64
57 else 57 else
58 libdir_relative = lib 58 libdir_relative = lib
59 endif 59 endif
60 60
61 prefix ?= 61 prefix ?=
62 libdir = $(prefix)/$(libdir_relative) 62 libdir = $(prefix)/$(libdir_relative)
63 63
64 # Shell quotes 64 # Shell quotes
65 libdir_SQ = $(subst ','\'',$(libdir)) 65 libdir_SQ = $(subst ','\'',$(libdir))
66 66
67 all: 67 all:
68 68
69 export srctree OUTPUT CC LD CFLAGS V 69 export srctree OUTPUT CC LD CFLAGS V
70 include $(srctree)/tools/build/Makefile.includ 70 include $(srctree)/tools/build/Makefile.include
71 include $(srctree)/tools/scripts/Makefile.incl 71 include $(srctree)/tools/scripts/Makefile.include
72 72
73 all: fixdep $(LIBFILE) 73 all: fixdep $(LIBFILE)
74 74
75 $(SYMBOL_IN): FORCE 75 $(SYMBOL_IN): FORCE
76 @$(MAKE) $(build)=libsymbol 76 @$(MAKE) $(build)=libsymbol
77 77
78 $(LIBFILE): $(SYMBOL_IN) 78 $(LIBFILE): $(SYMBOL_IN)
79 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $( 79 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(SYMBOL_IN)
80 80
81 define do_install_mkdir 81 define do_install_mkdir
82 if [ ! -d '$(DESTDIR_SQ)$1' ]; then 82 if [ ! -d '$(DESTDIR_SQ)$1' ]; then \
83 $(INSTALL) -d -m 755 '$(DESTDI 83 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \
84 fi 84 fi
85 endef 85 endef
86 86
87 define do_install 87 define do_install
88 if [ ! -d '$2' ]; then \ 88 if [ ! -d '$2' ]; then \
89 $(INSTALL) -d -m 755 '$2'; \ 89 $(INSTALL) -d -m 755 '$2'; \
90 fi; \ 90 fi; \
91 $(INSTALL) $1 $(if $3,-m $3,) '$2' 91 $(INSTALL) $1 $(if $3,-m $3,) '$2'
92 endef 92 endef
93 93
94 install_lib: $(LIBFILE) 94 install_lib: $(LIBFILE)
95 $(call QUIET_INSTALL, $(LIBFILE)) \ 95 $(call QUIET_INSTALL, $(LIBFILE)) \
96 $(call do_install_mkdir,$(libd 96 $(call do_install_mkdir,$(libdir_SQ)); \
97 cp -fpR $(LIBFILE) $(DESTDIR)$ 97 cp -fpR $(LIBFILE) $(DESTDIR)$(libdir_SQ)
98 98
99 HDRS := kallsyms.h 99 HDRS := kallsyms.h
100 INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/includ 100 INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/symbol
101 INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX 101 INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(HDRS))
102 102
103 $(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h 103 $(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h
104 $(call QUIET_INSTALL, $@) \ 104 $(call QUIET_INSTALL, $@) \
105 $(call do_install,$<,$(INSTALL 105 $(call do_install,$<,$(INSTALL_HDRS_PFX)/,644)
106 106
107 install_headers: $(INSTALL_HDRS) 107 install_headers: $(INSTALL_HDRS)
108 $(call QUIET_INSTALL, libsymbol_header 108 $(call QUIET_INSTALL, libsymbol_headers)
109 109
110 install: install_lib install_headers 110 install: install_lib install_headers
111 111
112 clean: 112 clean:
113 $(call QUIET_CLEAN, libsymbol) $(RM) $ 113 $(call QUIET_CLEAN, libsymbol) $(RM) $(LIBFILE); \
114 find $(or $(OUTPUT),.) -name \*.o -or 114 find $(or $(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
115 115
116 FORCE: 116 FORCE:
117 117
118 .PHONY: clean FORCE 118 .PHONY: clean FORCE
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