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############################################################################
# bfs #
# Copyright (C) 2015-2021 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 := 2.5
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 \
-Wimplicit-fallthrough
CFLAGS ?= $(DEFAULT_CFLAGS)
LDFLAGS ?=
DEPFLAGS ?= -MD -MP -MF $(@:.o=.d)
DESTDIR ?=
PREFIX ?= /usr
MANDIR ?= $(PREFIX)/share/man
LOCAL_CPPFLAGS := \
-D__EXTENSIONS__ \
-D_ATFILE_SOURCE \
-D_BSD_SOURCE \
-D_DARWIN_C_SOURCE \
-D_DEFAULT_SOURCE \
-D_FILE_OFFSET_BITS=64 \
-D_TIME_BITS=64 \
-D_GNU_SOURCE \
-DBFS_VERSION=\"$(VERSION)\"
LOCAL_CFLAGS := -std=c11
LOCAL_LDFLAGS :=
LOCAL_LDLIBS :=
ASAN := $(filter asan,$(MAKECMDGOALS))
LSAN := $(filter lsan,$(MAKECMDGOALS))
MSAN := $(filter msan,$(MAKECMDGOALS))
TSAN := $(filter tsan,$(MAKECMDGOALS))
UBSAN := $(filter ubsan,$(MAKECMDGOALS))
ifndef MSAN
WITH_ONIGURUMA := y
endif
ifdef WITH_ONIGURUMA
LOCAL_CPPFLAGS += -DBFS_WITH_ONIGURUMA=1
ONIG_CONFIG := $(shell command -v onig-config 2>/dev/null)
ifdef ONIG_CONFIG
ONIG_CFLAGS := $(shell $(ONIG_CONFIG) --cflags)
ONIG_LDLIBS := $(shell $(ONIG_CONFIG) --libs)
else
ONIG_LDLIBS := -lonig
endif
LOCAL_CFLAGS += $(ONIG_CFLAGS)
LOCAL_LDLIBS += $(ONIG_LDLIBS)
endif
ifeq ($(OS),Linux)
ifndef MSAN # These libraries are not built with msan
WITH_ACL := y
WITH_ATTR := y
WITH_LIBCAP := y
endif
ifdef WITH_ACL
LOCAL_LDLIBS += -lacl
else
LOCAL_CPPFLAGS += -DBFS_HAS_SYS_ACL=0
endif
ifdef WITH_ATTR
LOCAL_LDLIBS += -lattr
else
LOCAL_CPPFLAGS += -DBFS_HAS_SYS_XATTR=0
endif
ifdef WITH_LIBCAP
LOCAL_LDLIBS += -lcap
else
LOCAL_CPPFLAGS += -DBFS_HAS_SYS_CAPABILITY=0
endif
LOCAL_LDFLAGS += -Wl,--as-needed
LOCAL_LDLIBS += -lrt
DISTCHECK_FLAGS := TEST_FLAGS="--verbose --all --sudo"
else # Linux
DISTCHECK_FLAGS := TEST_FLAGS="--verbose"
endif
ifeq ($(OS),NetBSD)
LOCAL_LDLIBS += -lutil
endif
ifdef ASAN
LOCAL_CFLAGS += -fsanitize=address
SANITIZE := y
endif
ifdef LSAN
LOCAL_CFLAGS += -fsanitize=leak
SANITIZE := y
endif
ifdef MSAN
LOCAL_CFLAGS += -fsanitize=memory -fsanitize-memory-track-origins
SANITIZE := y
endif
ifdef TSAN
LOCAL_CFLAGS += -fsanitize=thread
SANITIZE := y
endif
ifdef UBSAN
LOCAL_CFLAGS += -fsanitize=undefined
SANITIZE := y
endif
ifdef SANITIZE
LOCAL_CFLAGS += -fno-sanitize-recover=all
endif
ifneq ($(filter gcov,$(MAKECMDGOALS)),)
LOCAL_CFLAGS += --coverage
endif
ifneq ($(filter release,$(MAKECMDGOALS)),)
CFLAGS := $(DEFAULT_CFLAGS) -O3 -flto -DNDEBUG
endif
ALL_CPPFLAGS = $(LOCAL_CPPFLAGS) $(CPPFLAGS) $(EXTRA_CPPFLAGS)
ALL_CFLAGS = $(ALL_CPPFLAGS) $(LOCAL_CFLAGS) $(CFLAGS) $(EXTRA_CFLAGS) $(DEPFLAGS)
ALL_LDFLAGS = $(ALL_CFLAGS) $(LOCAL_LDFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS)
ALL_LDLIBS = $(LOCAL_LDLIBS) $(LDLIBS) $(EXTRA_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 lsan msan tsan 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 \
stat.o \
trie.o \
typo.o \
util.o \
xregex.o \
xspawn.o \
xtime.o
tests/mksock: tests/mksock.o
tests/trie: trie.o tests/trie.o
tests/xtimegm: xtime.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="./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 $(DISTCHECK_FLAGS)
endif
ifeq ($(OS) $(ARCH),Linux x86_64)
+$(MAKE) -B check EXTRA_CFLAGS="-m32" ONIG_CONFIG= $(DISTCHECK_FLAGS)
endif
+$(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)
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