summaryrefslogtreecommitdiffstats
path: root/Makefile
blob: 42dd250d5a792d7ee4aa324fea4d8d059d22fa62 (plain)
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
############################################################################
# bfs                                                                      #
# Copyright (C) 2015-2020 Tavian Barnes <tavianator@tavianator.com>        #
#                                                                          #
# Permission to use, copy, modify, and/or distribute this software for any #
# purpose with or without fee is hereby granted.                           #
#                                                                          #
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES #
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF         #
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR  #
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES   #
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN    #
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF  #
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.           #
############################################################################

ifeq ($(wildcard .git),)
VERSION := 2.1
else
VERSION := $(shell git describe --always)
endif

ifndef OS
OS := $(shell uname)
endif

ifndef ARCH
ARCH := $(shell uname -m)
endif

CC ?= gcc
INSTALL ?= install
MKDIR ?= mkdir -p
RM ?= rm -f

DEFAULT_CFLAGS ?= -g -Wall -Wmissing-declarations -Wshadow -Wsign-compare -Wstrict-prototypes

CFLAGS ?= $(DEFAULT_CFLAGS)
LDFLAGS ?=
DEPFLAGS ?= -MD -MP -MF $(@:.o=.d)

DESTDIR ?=
PREFIX ?= /usr
MANDIR ?= $(PREFIX)/share/man

LOCAL_CPPFLAGS := \
    -D__EXTENSIONS__ \
    -D_ATFILE_SOURCE \
    -D_BSD_SOURCE \
    -D_DARWIN_C_SOURCE \
    -D_DEFAULT_SOURCE \
    -D_FILE_OFFSET_BITS=64 \
    -D_GNU_SOURCE \
    -DBFS_VERSION=\"$(VERSION)\"

LOCAL_CFLAGS := -std=c99
LOCAL_LDFLAGS :=
LOCAL_LDLIBS :=

ASAN_CFLAGS := -fsanitize=address
MSAN_CFLAGS := -fsanitize=memory -fsanitize-memory-track-origins
UBSAN_CFLAGS := -fsanitize=undefined

ifeq ($(OS),Linux)
LOCAL_LDFLAGS += -Wl,--as-needed
LOCAL_LDLIBS += -lacl -lcap -lattr -lrt

# These libraries are not built with msan, so disable them
MSAN_CFLAGS += -DBFS_HAS_SYS_ACL=0 -DBFS_HAS_SYS_CAPABILITY=0 -DBFS_HAS_SYS_XATTR=0

DISTCHECK_FLAGS := TEST_FLAGS="--verbose --all --sudo"
else
DISTCHECK_FLAGS := TEST_FLAGS="--verbose"
endif

ifneq ($(filter asan,$(MAKECMDGOALS)),)
LOCAL_CFLAGS += $(ASAN_CFLAGS)
SANITIZE := y
endif

ifneq ($(filter msan,$(MAKECMDGOALS)),)
LOCAL_CFLAGS += $(MSAN_CFLAGS)
SANITIZE := y
endif

ifneq ($(filter ubsan,$(MAKECMDGOALS)),)
LOCAL_CFLAGS += $(UBSAN_CFLAGS)
SANITIZE := y
endif

ifdef SANITIZE
LOCAL_CFLAGS += -fno-sanitize-recover=all
endif

ifneq ($(filter gcov,$(MAKECMDGOALS)),)
LOCAL_CFLAGS += --coverage
endif

ifneq ($(filter release,$(MAKECMDGOALS)),)
CFLAGS := $(DEFAULT_CFLAGS) -O3 -flto -DNDEBUG
endif

ALL_CPPFLAGS = $(LOCAL_CPPFLAGS) $(CPPFLAGS)
ALL_CFLAGS = $(ALL_CPPFLAGS) $(LOCAL_CFLAGS) $(CFLAGS) $(DEPFLAGS)
ALL_LDFLAGS = $(ALL_CFLAGS) $(LOCAL_LDFLAGS) $(LDFLAGS)
ALL_LDLIBS = $(LOCAL_LDLIBS) $(LDLIBS)

# Save the full set of flags to rebuild everything when they change
ALL_FLAGS := $(CC) : $(ALL_CFLAGS) : $(ALL_LDFLAGS) : $(ALL_LDLIBS)
$(shell ./flags.sh $(ALL_FLAGS))

# Goals that make binaries
BIN_GOALS := bfs tests/mksock tests/trie tests/xtimegm

# Goals that are treated like flags by this Makefile
FLAG_GOALS := asan msan ubsan gcov release

# These are the remaining non-flag goals
GOALS := $(filter-out $(FLAG_GOALS),$(MAKECMDGOALS))

# Build the default goal if only flag goals are specified
FLAG_PREREQS :=
ifndef GOALS
FLAG_PREREQS += default
endif

# The different search strategies that we test
STRATEGIES := bfs dfs ids eds
STRATEGY_CHECKS := $(STRATEGIES:%=check-%)

# All the different checks we run
CHECKS := $(STRATEGY_CHECKS) check-trie check-xtimegm

default: bfs

all: $(BIN_GOALS)

bfs: \
    bar.o \
    bftw.o \
    color.o \
    ctx.o \
    darray.o \
    diag.o \
    dir.o \
    dstring.o \
    eval.o \
    exec.o \
    fsade.o \
    main.o \
    mtab.o \
    opt.o \
    parse.o \
    printf.o \
    pwcache.o \
    spawn.o \
    stat.o \
    time.o \
    trie.o \
    typo.o \
    util.o

tests/mksock: tests/mksock.o
tests/trie: trie.o tests/trie.o
tests/xtimegm: time.o tests/xtimegm.o

$(BIN_GOALS):
	+$(CC) $(ALL_LDFLAGS) $^ $(ALL_LDLIBS) -o $@

%.o: %.c .flags
	$(CC) $(ALL_CFLAGS) -c $< -o $@

# Need a rule for .flags to convince make to apply the above pattern rule if
# .flags didn't exist when make was run
.flags:

# Make sure that "make release" builds everything, but "make release main.o" doesn't
$(FLAG_GOALS): $(FLAG_PREREQS)
	@:

check: $(CHECKS)

$(STRATEGY_CHECKS): check-%: bfs tests/mksock
	./tests.sh --bfs="$(CURDIR)/bfs -S $*" $(TEST_FLAGS)

check-trie check-xtimegm: check-%: tests/%
	$<

distcheck:
	+$(MAKE) -B asan ubsan check $(DISTCHECK_FLAGS)
ifneq ($(OS),Darwin)
	+$(MAKE) -B msan check CC=clang $(DISTCHECK_FLAGS)
ifeq ($(ARCH),x86_64)
	+$(MAKE) -B check CFLAGS="-m32" $(DISTCHECK_FLAGS)
endif
endif
	+$(MAKE) -B release check $(DISTCHECK_FLAGS)
	+$(MAKE) -B check $(DISTCHECK_FLAGS)

clean:
	$(RM) $(BIN_GOALS) .flags *.[od] *.gcda *.gcno tests/*.[od] tests/*.gcda tests/*.gcno

install:
	$(MKDIR) $(DESTDIR)$(PREFIX)/bin
	$(INSTALL) -m755 bfs $(DESTDIR)$(PREFIX)/bin/bfs
	$(MKDIR) $(DESTDIR)$(MANDIR)/man1
	$(INSTALL) -m644 bfs.1 $(DESTDIR)$(MANDIR)/man1/bfs.1
	$(MKDIR) $(DESTDIR)$(PREFIX)/share/bash-completion/completions
	$(INSTALL) -m644 completions/bfs.bash $(DESTDIR)$(PREFIX)/share/bash-completion/completions/bfs

uninstall:
	$(RM) $(DESTDIR)$(PREFIX)/share/bash-completion/completions/bfs
	$(RM) $(DESTDIR)$(MANDIR)/man1/bfs.1
	$(RM) $(DESTDIR)$(PREFIX)/bin/bfs

.PHONY: default all $(FLAG_GOALS) check $(CHECKS) distcheck clean install uninstall

.SUFFIXES:

-include $(wildcard *.d)