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 ($(DEBUG),0)
34 ifeq ($(CC_NO_CLANG), 0) 34 ifeq ($(CC_NO_CLANG), 0)
35 CFLAGS += -O3 35 CFLAGS += -O3
36 else 36 else
37 CFLAGS += -O6 37 CFLAGS += -O6
38 endif 38 endif
39 endif 39 endif
40 40
41 ifeq ($(DEBUG),0) 41 ifeq ($(DEBUG),0)
42 CFLAGS += -D_FORTIFY_SOURCE 42 CFLAGS += -D_FORTIFY_SOURCE
43 endif 43 endif
44 44
45 # Treat warnings as errors unless directed not 45 # Treat warnings as errors unless directed not to
46 ifneq ($(WERROR),0) 46 ifneq ($(WERROR),0)
47 CFLAGS += -Werror 47 CFLAGS += -Werror
48 endif 48 endif
49 49
50 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET 50 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
51 51
52 CFLAGS += -I$(srctree)/tools/lib 52 CFLAGS += -I$(srctree)/tools/lib
53 CFLAGS += -I$(srctree)/tools/include 53 CFLAGS += -I$(srctree)/tools/include
54 54
55 RM = rm -f 55 RM = rm -f
56 56
57 SYMBOL_IN := $(OUTPUT)libsymbol-in.o 57 SYMBOL_IN := $(OUTPUT)libsymbol-in.o
58 58
59 ifeq ($(LP64), 1) 59 ifeq ($(LP64), 1)
60 libdir_relative = lib64 60 libdir_relative = lib64
61 else 61 else
62 libdir_relative = lib 62 libdir_relative = lib
63 endif 63 endif
64 64
65 prefix ?= 65 prefix ?=
66 libdir = $(prefix)/$(libdir_relative) 66 libdir = $(prefix)/$(libdir_relative)
67 67
68 # Shell quotes 68 # Shell quotes
69 libdir_SQ = $(subst ','\'',$(libdir)) 69 libdir_SQ = $(subst ','\'',$(libdir))
70 70
71 all: 71 all:
72 72
73 export srctree OUTPUT CC LD CFLAGS V 73 export srctree OUTPUT CC LD CFLAGS V
74 include $(srctree)/tools/build/Makefile.includ 74 include $(srctree)/tools/build/Makefile.include
75 include $(srctree)/tools/scripts/Makefile.incl 75 include $(srctree)/tools/scripts/Makefile.include
76 76
77 all: fixdep $(LIBFILE) 77 all: fixdep $(LIBFILE)
78 78
79 $(SYMBOL_IN): FORCE 79 $(SYMBOL_IN): FORCE
80 @$(MAKE) $(build)=libsymbol 80 @$(MAKE) $(build)=libsymbol
81 81
82 $(LIBFILE): $(SYMBOL_IN) 82 $(LIBFILE): $(SYMBOL_IN)
83 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $( 83 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(SYMBOL_IN)
84 84
85 define do_install_mkdir 85 define do_install_mkdir
86 if [ ! -d '$(DESTDIR_SQ)$1' ]; then 86 if [ ! -d '$(DESTDIR_SQ)$1' ]; then \
87 $(INSTALL) -d -m 755 '$(DESTDI 87 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \
88 fi 88 fi
89 endef 89 endef
90 90
91 define do_install 91 define do_install
92 if [ ! -d '$2' ]; then \ 92 if [ ! -d '$2' ]; then \
93 $(INSTALL) -d -m 755 '$2'; \ 93 $(INSTALL) -d -m 755 '$2'; \
94 fi; \ 94 fi; \
95 $(INSTALL) $1 $(if $3,-m $3,) '$2' 95 $(INSTALL) $1 $(if $3,-m $3,) '$2'
96 endef 96 endef
97 97
98 install_lib: $(LIBFILE) 98 install_lib: $(LIBFILE)
99 $(call QUIET_INSTALL, $(LIBFILE)) \ 99 $(call QUIET_INSTALL, $(LIBFILE)) \
100 $(call do_install_mkdir,$(libd 100 $(call do_install_mkdir,$(libdir_SQ)); \
101 cp -fpR $(LIBFILE) $(DESTDIR)$ 101 cp -fpR $(LIBFILE) $(DESTDIR)$(libdir_SQ)
102 102
103 HDRS := kallsyms.h 103 HDRS := kallsyms.h
104 INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/includ 104 INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/symbol
105 INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX 105 INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(HDRS))
106 106
107 $(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h 107 $(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h
108 $(call QUIET_INSTALL, $@) \ 108 $(call QUIET_INSTALL, $@) \
109 $(call do_install,$<,$(INSTALL 109 $(call do_install,$<,$(INSTALL_HDRS_PFX)/,644)
110 110
111 install_headers: $(INSTALL_HDRS) 111 install_headers: $(INSTALL_HDRS)
112 $(call QUIET_INSTALL, libsymbol_header 112 $(call QUIET_INSTALL, libsymbol_headers)
113 113
114 install: install_lib install_headers 114 install: install_lib install_headers
115 115
116 clean: 116 clean:
117 $(call QUIET_CLEAN, libsymbol) $(RM) $ 117 $(call QUIET_CLEAN, libsymbol) $(RM) $(LIBFILE); \
118 find $(or $(OUTPUT),.) -name \*.o -or 118 find $(or $(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
119 119
120 FORCE: 120 FORCE:
121 121
122 .PHONY: clean FORCE 122 .PHONY: clean FORCE
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