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 LD ?= $(CROSS_COMPILE)ld 13 LD ?= $(CROSS_COMPILE)ld
14 AR ?= $(CROSS_COMPILE)ar 14 AR ?= $(CROSS_COMPILE)ar
15 15
16 RM = rm -f 16 RM = rm -f
17 17
18 MAKEFLAGS += --no-print-directory 18 MAKEFLAGS += --no-print-directory
19 19
20 INSTALL = install <<
21 <<
22 # Use DESTDIR for installing into a different <<
23 # This is useful for building a package. The p <<
24 # installed in this directory as if it was the <<
25 # Then the build tool can move it later. <<
26 DESTDIR ?= <<
27 DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' <<
28 <<
29 LIBFILE = $(OUTPUT)libsubcmd.a 20 LIBFILE = $(OUTPUT)libsubcmd.a
30 21
31 CFLAGS := -ggdb3 -Wall -Wextra -std=gnu99 -fPI !! 22 CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
>> 23 CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -fPIC
32 24
33 ifeq ($(DEBUG),0) 25 ifeq ($(DEBUG),0)
34 ifeq ($(feature-fortify-source), 1) 26 ifeq ($(feature-fortify-source), 1)
35 CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOU 27 CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
36 endif 28 endif
37 endif 29 endif
38 30
39 ifeq ($(DEBUG),1) 31 ifeq ($(DEBUG),1)
40 CFLAGS += -O0 32 CFLAGS += -O0
41 else !! 33 else ifeq ($(CC_NO_CLANG), 0)
42 CFLAGS += -O3 34 CFLAGS += -O3
>> 35 else
>> 36 CFLAGS += -O6
43 endif 37 endif
44 38
45 # Treat warnings as errors unless directed not 39 # Treat warnings as errors unless directed not to
46 ifneq ($(WERROR),0) 40 ifneq ($(WERROR),0)
47 CFLAGS += -Werror 41 CFLAGS += -Werror
48 endif 42 endif
49 43
50 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET 44 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
51 45
52 CFLAGS += -I$(srctree)/tools/include/ 46 CFLAGS += -I$(srctree)/tools/include/
53 47
54 CFLAGS += $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) <<
55 <<
56 SUBCMD_IN := $(OUTPUT)libsubcmd-in.o 48 SUBCMD_IN := $(OUTPUT)libsubcmd-in.o
57 49
58 ifeq ($(LP64), 1) <<
59 libdir_relative = lib64 <<
60 else <<
61 libdir_relative = lib <<
62 endif <<
63 <<
64 prefix ?= <<
65 libdir = $(prefix)/$(libdir_relative) <<
66 <<
67 # Shell quotes <<
68 libdir_SQ = $(subst ','\'',$(libdir)) <<
69 <<
70 all: 50 all:
71 51
72 export srctree OUTPUT CC LD CFLAGS V 52 export srctree OUTPUT CC LD CFLAGS V
73 include $(srctree)/tools/build/Makefile.includ 53 include $(srctree)/tools/build/Makefile.include
74 54
75 all: fixdep $(LIBFILE) 55 all: fixdep $(LIBFILE)
76 56
77 $(SUBCMD_IN): fixdep FORCE !! 57 $(SUBCMD_IN): FORCE
78 @$(MAKE) $(build)=libsubcmd 58 @$(MAKE) $(build)=libsubcmd
79 59
80 $(LIBFILE): $(SUBCMD_IN) 60 $(LIBFILE): $(SUBCMD_IN)
81 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $( 61 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(SUBCMD_IN)
82 62
83 define do_install_mkdir <<
84 if [ ! -d '$(DESTDIR_SQ)$1' ]; then <<
85 $(INSTALL) -d -m 755 '$(DESTDI <<
86 fi <<
87 endef <<
88 <<
89 define do_install <<
90 if [ ! -d '$2' ]; then \ <<
91 $(INSTALL) -d -m 755 '$2'; \ <<
92 fi; <<
93 $(INSTALL) $1 $(if $3,-m $3,) '$2' <<
94 endef <<
95 <<
96 install_lib: $(LIBFILE) <<
97 $(call QUIET_INSTALL, $(LIBFILE)) \ <<
98 $(call do_install_mkdir,$(libd <<
99 cp -fpR $(LIBFILE) $(DESTDIR)$ <<
100 <<
101 HDRS := exec-cmd.h help.h pager.h parse-option <<
102 INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/includ <<
103 INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX <<
104 <<
105 $(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h <<
106 $(call QUIET_INSTALL, $@) \ <<
107 $(call do_install,$<,$(INSTALL <<
108 <<
109 install_headers: $(INSTALL_HDRS) <<
110 $(call QUIET_INSTALL, libsubcmd_header <<
111 <<
112 install: install_lib install_headers <<
113 <<
114 clean: 63 clean:
115 $(call QUIET_CLEAN, libsubcmd) $(RM) $ 64 $(call QUIET_CLEAN, libsubcmd) $(RM) $(LIBFILE); \
116 find $(or $(OUTPUT),.) -name \*.o -or !! 65 find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
117 66
118 FORCE: 67 FORCE:
119 68
120 .PHONY: clean FORCE 69 .PHONY: clean FORCE
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