1 # SPDX-License-Identifier: GPL-2.0
2 include ../../scripts/Makefile.include
3 include ../../scripts/utilities.mak		# QUIET_CLEAN
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 LD ?= $(CROSS_COMPILE)ld
14 AR ?= $(CROSS_COMPILE)ar
15 
16 RM = rm -f
17 
18 MAKEFLAGS += --no-print-directory
19 
20 INSTALL = install
21 
22 # Use DESTDIR for installing into a different root directory.
23 # This is useful for building a package. The program will be
24 # installed in this directory as if it was the root directory.
25 # Then the build tool can move it later.
26 DESTDIR ?=
27 DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
28 
29 LIBFILE = $(OUTPUT)libsubcmd.a
30 
31 CFLAGS := -ggdb3 -Wall -Wextra -std=gnu99 -fPIC
32 
33 ifeq ($(DEBUG),0)
34   ifeq ($(feature-fortify-source), 1)
35     CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
36   endif
37 endif
38 
39 ifeq ($(DEBUG),1)
40   CFLAGS += -O0
41 else
42   CFLAGS += -O3
43 endif
44 
45 # Treat warnings as errors unless directed not to
46 ifneq ($(WERROR),0)
47   CFLAGS += -Werror
48 endif
49 
50 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
51 
52 CFLAGS += -I$(srctree)/tools/include/
53 
54 CFLAGS += $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
55 
56 SUBCMD_IN := $(OUTPUT)libsubcmd-in.o
57 
58 ifeq ($(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:
71 
72 export srctree OUTPUT CC LD CFLAGS V
73 include $(srctree)/tools/build/Makefile.include
74 
75 all: fixdep $(LIBFILE)
76 
77 $(SUBCMD_IN): fixdep FORCE
78 	@$(MAKE) $(build)=libsubcmd
79 
80 $(LIBFILE): $(SUBCMD_IN)
81 	$(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(SUBCMD_IN)
82 
83 define do_install_mkdir
84 	if [ ! -d '$(DESTDIR_SQ)$1' ]; then             \
85 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \
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 		$(call do_install_mkdir,$(libdir_SQ)); \
99 		cp -fpR $(LIBFILE) $(DESTDIR)$(libdir_SQ)
100 
101 HDRS := exec-cmd.h help.h pager.h parse-options.h run-command.h
102 INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/subcmd
103 INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(HDRS))
104 
105 $(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h
106 	$(call QUIET_INSTALL, $@) \
107 		$(call do_install,$<,$(INSTALL_HDRS_PFX)/,644)
108 
109 install_headers: $(INSTALL_HDRS)
110 	$(call QUIET_INSTALL, libsubcmd_headers)
111 
112 install: install_lib install_headers
113 
114 clean:
115 	$(call QUIET_CLEAN, libsubcmd) $(RM) $(LIBFILE); \
116 	find $(or $(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
117 
118 FORCE:
119 
120 .PHONY: clean FORCE
121