summaryrefslogtreecommitdiffstats
path: root/Makefile
blob: 139a48314c660ef2f437bb2eb5d694522763900d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
# Copyright (c) 2022 by Alejandro Colomar <alx.manpages@gmail.com>
# SPDX-License-Identifier: GPL-2.0

SHELL := /bin/bash -Eeuo pipefail

MAKEFLAGS += --no-builtin-rules
MAKEFLAGS += --no-builtin-variables
MAKEFLAGS += --no-print-directory
MAKEFLAGS += --warn-undefined-variables


srcdir   := .
SRCDIR   := $(srcdir)/src
builddir := tmp

DESTDIR     :=
prefix      := /usr/local
exec_prefix := $(prefix)
GAMESDIR    := $(builddir)/games
gamesdir    := $(exec_prefix)/games
_gamesdir   := $(DESTDIR)$(gamesdir)
DATAROOTDIR := $(srcdir)/share
datarootdir := $(prefix)/share
INCLUDEDIR  := $(srcdir)/include
MANDIR      := $(DATAROOTDIR)/man
mandir      := $(datarootdir)/man
_mandir     := $(DESTDIR)$(mandir)
MAN6DIR     := $(MANDIR)/man6
man6dir     := $(mandir)/man6
_man6dir    := $(DESTDIR)$(man6dir)
MAN7DIR     := $(MANDIR)/man7
man7dir     := $(mandir)/man7
_man7dir    := $(DESTDIR)$(man7dir)
manext      := \.[67]


MAN       := $(sort $(shell find $(MANDIR)     -type f | grep '$(manext)$$'))
UNITS_h   := $(sort $(shell find $(INCLUDEDIR) -type f | grep '\.h$$'))
UNITS_c   := $(sort $(shell find $(SRCDIR)     -type f | grep '\.c$$'))
MAN_cks   := $(patsubst $(MANDIR)/%,$(builddir)/%.cks.touch,$(MAN))
UNITS_ckp := $(patsubst $(SRCDIR)/%.c,$(builddir)/%.ckp.touch,$(UNITS_c))
UNITS_ct  := $(patsubst $(SRCDIR)/%.c,$(builddir)/%.ct.touch,$(UNITS_c))
UNITS_cpl := $(patsubst $(SRCDIR)/%.c,$(builddir)/%.cpl.touch,$(UNITS_c))
UNITS_iwyu:= $(patsubst $(SRCDIR)/%.c,$(builddir)/%.iwyu.touch,$(UNITS_c))
UNITS_d   := $(patsubst $(SRCDIR)/%.c,$(builddir)/%.d,$(UNITS_c))
UNITS_i   := $(patsubst $(SRCDIR)/%.c,$(builddir)/%.i,$(UNITS_c))
UNITS_s   := $(patsubst $(SRCDIR)/%.c,$(builddir)/%.s,$(UNITS_c))
UNITS_o   := $(patsubst $(SRCDIR)/%.c,$(builddir)/%.o,$(UNITS_c))
LIB_h     := $(filter $(INCLUDEDIR)/lib/%,$(UNITS_h))
LIB_c     := $(filter $(SRCDIR)/lib/%,$(UNITS_c))
LIB_o     := $(filter $(builddir)/lib/%,$(UNITS_o))
GAMES_o   := $(filter $(GAMESDIR)/%,$(UNITS_o))
GAMES_cck := $(patsubst $(builddir)/%.o,$(builddir)/%.cck.touch,$(GAMES_o))
GAMES     := $(patsubst %.o,%,$(GAMES_o))
_games    := $(patsubst $(GAMESDIR)/%,$(_gamesdir)/%,$(GAMES))
_man      := $(patsubst $(MANDIR)/%,$(_mandir)/%,$(MAN))
analysis   := checkpatch clang-tidy cppcheck cpplint groff iwyu
stages     := cpp cc as ld
modules    := chessboard chess
submodules := games man
_chessboard_games := $(filter $(_gamesdir)/chessboard-%,$(_games))
_chess_games      := $(filter $(_gamesdir)/chess-%,$(_games))
_chessboard_man   := $(filter $(_man6dir)/chessboard-%,$(_man))
_chessboard_man   += $(filter $(_man7dir)/chessutils%,$(_man))
_chess_man        := $(filter $(_man6dir)/chess-%,$(_man))
_chessboard_games_rm := $(addsuffix -rm,$(wildcard $(_chessboard_games)))
_chess_games_rm      := $(addsuffix -rm,$(wildcard $(_chess_games)))
_chessboard_man_rm   := $(addsuffix -rm,$(wildcard $(_chessboard_man)))
_chess_man_rm        := $(addsuffix -rm,$(wildcard $(_chess_man)))


DEFAULT_CHECKPATCHFLAGS :=
EXTRA_CHECKPATCHFLAGS   :=
CHECKPATCHFLAGS         := $(DEFAULT_CHECKPATCHFLAGS)
CHECKPATCHFLAGS         += $(EXTRA_CHECKPATCHFLAGS)

DEFAULT_CLANG-TIDYFLAGS := --quiet
DEFAULT_CLANG-TIDYFLAGS += --use-color
EXTRA_CLANG-TIDYFLAGS   :=
CLANG-TIDYFLAGS         := $(DEFAULT_CLANG-TIDYFLAGS)
CLANG-TIDYFLAGS         += $(EXTRA_CLANG-TIDYFLAGS)

DEFAULT_CPPCHECKFLAGS := --enable=all
DEFAULT_CPPCHECKFLAGS += --error-exitcode=2
DEFAULT_CPPCHECKFLAGS += --inconclusive
DEFAULT_CPPCHECKFLAGS += --quiet
DEFAULT_CPPCHECKFLAGS += --suppressions-list=$(srcdir)/.cppcheck.suppress
EXTRA_CPPCHECKFLAGS   :=
CPPCHECKFLAGS         := $(DEFAULT_CPPCHECKFLAGS)
CPPCHECKFLAGS         += $(EXTRA_CPPCHECKFLAGS)

DEFAULT_CPPLINTFLAGS :=
EXTRA_CPPLINTFLAGS   :=
CPPLINTFLAGS         := $(DEFAULT_CPPLINTFLAGS)
CPPLINTFLAGS         += $(EXTRA_CPPLINTFLAGS)

DEFAULT_GROFFFLAGS := -man
DEFAULT_GROFFFLAGS += -rCHECKSTYLE=3
DEFAULT_GROFFFLAGS += -z
EXTRA_GROFFFLAGS   :=
GROFFFLAGS         := $(DEFAULT_GROFFFLAGS)
GROFFFLAGS         += $(EXTRA_GROFFFLAGS)

DEFAULT_IWYUFLAGS := -Xiwyu --no_fwd_decls
EXTRA_IWYUFLAGS   :=
IWYUFLAGS         := $(DEFAULT_IWYUFLAGS)
IWYUFLAGS         += $(EXTRA_IWYUFLAGS)


DEFAULT_CPPFLAGS := -I $(INCLUDEDIR)
EXTRA_CPPFLAGS   :=
CPPFLAGS         := $(DEFAULT_CPPFLAGS)
CPPFLAGS         += $(EXTRA_CPPFLAGS)

DEFAULT_CFLAGS := -O3
DEFAULT_CFLAGS += -flto
DEFAULT_CFLAGS += -Wall
DEFAULT_CFLAGS += -Wextra
DEFAULT_CFLAGS += -Winvalid-pch
DEFAULT_CFLAGS += -fno-common
DEFAULT_CFLAGS += -Werror
DEFAULT_CFLAGS += -std=gnu2x
DEFAULT_CFLAGS += -Wstrict-prototypes
EXTRA_CFLAGS   :=
CFLAGS         := $(DEFAULT_CFLAGS)
CFLAGS         += $(EXTRA_CFLAGS)

DEFAULT_ASFLAGS :=
EXTRA_ASFLAGS   :=
ASFLAGS         := $(DEFAULT_ASFLAGS)
ASFLAGS         += $(EXTRA_ASFLAGS)

DEFAULT_LDFLAGS := -fuse-linker-plugin
DEFAULT_LDFLAGS += -Wl,--as-needed
DEFAULT_LDFLAGS += -Wl,--no-allow-shlib-undefined
DEFAULT_LDFLAGS += -Wl,--no-copy-dt-needed-entries
DEFAULT_LDFLAGS += -Wl,--no-undefined
EXTRA_LDFLAGS   :=
LDFLAGS         := $(DEFAULT_LDFLAGS)
LDFLAGS         += $(EXTRA_LDFLAGS)

DEFAULT_LDLIBS := $(LIB_o)
EXTRA_LDLIBS   :=
LDLIBS         := $(DEFAULT_LDLIBS)
LDLIBS         += $(EXTRA_LDLIBS)


CHECKPATCH := checkpatch
CLANG-TIDY := clang-tidy
CPPCHECK   := cppcheck
CPPLINT    := cpplint
GROFF      := groff
IWYU       := iwyu
CC  := gcc
CPP := gcc -E $(CFLAGS)
AS  := gcc -c $(CFLAGS)
AR  := gcc-ar
LD  := gcc $(CFLAGS)
SZ  := size
INSTALL         := install
INSTALL_PROGRAM := $(INSTALL) -m 755
INSTALL_DATA    := $(INSTALL) -m 644
INSTALL_DIR     := $(INSTALL) -m 755 -d
RM    := rm
RMDIR := rmdir --ignore-fail-on-non-empty


.PHONY: all
all: analyze build

.SECONDEXPANSION:

%/.:
	$(info INSTALL_DIR	$(@D))
	$(INSTALL_DIR) $(@D)

%-rm:
	$(info RM	$*)
	$(RM) $*


$(UNITS_ckp): $(builddir)/%.ckp.touch: $(SRCDIR)/%.c Makefile \
                                       $(srcdir)/.checkpatch.conf \
                                       $(builddir)/%.d | $$(@D)/.
	$(info CHECKPATCH	$@)
	$(CHECKPATCH) $(CHECKPATCHFLAGS) -f $<
	touch $@

$(UNITS_ct): $(builddir)/%.ct.touch: $(SRCDIR)/%.c Makefile \
                                     $(srcdir)/.clang-tidy \
                                     $(builddir)/%.d | $$(@D)/.
	$(info CLANG-TIDY	$@)
	$(CLANG-TIDY) $(CLANG-TIDYFLAGS) $< -- $(CPPFLAGS) $(CFLAGS) 2>&1 \
	| sed '/generated\.$$/d'
	touch $@

$(GAMES_cck): $(builddir)/%.cck.touch: $(SRCDIR)/%.c Makefile \
                                       $(srcdir)/.cppcheck.suppress \
                                       $(LIB_c) $(LIB_h) | $$(@D)/.
	$(info CPPCHECK	$@)
	$(CPPCHECK) $(CPPCHECKFLAGS) $(CPPFLAGS) $< $(LIB_c) $(LIB_h)
	touch $@

$(UNITS_cpl): $(builddir)/%.cpl.touch: $(SRCDIR)/%.c Makefile \
                                       $(srcdir)/CPPLINT.cfg \
                                       $(builddir)/%.d | $$(@D)/.
	$(info CPPLINT		$@)
	$(CPPLINT) $(CPPLINTFLAGS) $< >/dev/null
	touch $@

$(MAN_cks): $(builddir)/%.cks.touch: $(MANDIR)/% Makefile | $$(@D)/.
	$(info GROFF CHECKSTYLE	$@)
	$(GROFF) $(GROFFFLAGS) $<
	touch $@

$(UNITS_iwyu): $(builddir)/%.iwyu.touch: $(SRCDIR)/%.c Makefile \
                                         $(builddir)/%.d | $$(@D)/.
	$(info IWYU		$@)
	$(IWYU) $(IWYUFLAGS) $(CPPFLAGS) $(CFLAGS) $< || test $$? -eq 2 && \
	touch $@


DEPTARGETS = -MT $(builddir)/$*.ckp.touch \
             -MT $(builddir)/$*.ct.touch \
             -MT $(builddir)/$*.cpl.touch \
             -MT $(builddir)/$*.i
$(UNITS_d): $(builddir)/%.d: $(SRCDIR)/%.c Makefile | $$(@D)/.
	$(CC) $(CPPFLAGS) $(CFLAGS) -M -MP $(DEPTARGETS) -MF $@ $<

$(UNITS_i): $(builddir)/%.i: $(SRCDIR)/%.c Makefile | $$(@D)/.
	$(info CPP	$@)
	$(CPP) $(CPPFLAGS) -o $@ $<

$(UNITS_s): %.s: %.i Makefile | $$(@D)/.
	$(info CC	$@)
	$(CC) -S $(CFLAGS) -o $@ $<

$(UNITS_o): %.o: %.s Makefile | $$(@D)/.
	$(info AS	$@)
	$(AS) $(ASFLAGS) -o $@ $<

$(GAMES): %: %.o $(LIB_o) Makefile | $$(@D)/.
	$(info LD	$@)
	$(LD) $(LDFLAGS) -o $@ $< $(LDLIBS)

$(_games): $(_gamesdir)/%: $(GAMESDIR)/% | $$(@D)/.
	$(info INSTALL_PROGRAM	$@)
	$(INSTALL_PROGRAM) -T $< $@

$(_man): $(_mandir)/%: $(MANDIR)/% | $$(@D)/.
	$(info INSTALL_DATA	$@)
	$(INSTALL_DATA) -T $< $@


analyze := $(foreach x,$(analysis),analyze-$(x))

.PHONY: analyze $(analyze)
analyze-checkpatch: $(UNITS_ckp)
analyze-clang-tidy: $(UNITS_ct)
analyze-cppcheck:   $(GAMES_cck)
analyze-cpplint:    $(UNITS_cpl)
analyze-groff:      $(MAN_cks)
analyze-iwyu:       $(UNITS_iwyu)
analyze: $(analyze)

build := $(foreach x,$(stages),build-$(x))

.PHONY: build $(build)
build-cpp: $(UNITS_i)
build-cc:  $(UNITS_s)
build-as:  $(UNITS_o)
build-ld:  $(GAMES)
build: build-ld

install_chessboard := $(foreach x,$(submodules),install-chessboard-$(x))
install_chess      := $(foreach x,$(submodules),install-chess-$(x))
install            := $(foreach x,$(modules),install-$(x))

.PHONY: $(install_chessboard)
.PHONY: $(install_chess)
.PHONY: $(install)
.PHONY: install
$(install_chessboard): install-chessboard-%: $$(_chessboard_%)
$(install_chess):      install-chess-%:      $$(_chess_%)
$(install):            install-%:            $$(install_%)
install: $(install)

uninstall_chessboard := $(addprefix un,$(install_chessboard))
uninstall_chess      := $(addprefix un,$(install_chess))
uninstall            := $(addprefix un,$(install))

.PHONY: $(uninstall_chessboard)
.PHONY: $(uninstall_chess)
.PHONY: $(uninstall)
.PHONY: uninstall
$(uninstall_chessboard): uninstall-chessboard-%: $$(_chessboard_%_rm)
$(uninstall_chess):      uninstall-chess-%:      $$(_chess_%_rm)
$(uninstall):            uninstall-%:            $$(uninstall_%)
uninstall: $(uninstall)


.PHONY: clean
clean:
	$(info RM -rf	$(builddir))
	$(RM) -rf $(builddir)


$(_chessboard_games_rm): FORCE
$(_chessboard_man_rm): FORCE
$(_chess_games_rm): FORCE
$(_chess_man_rm): FORCE


V :=
$(V).SILENT:
FORCE:


include $(UNITS_d)