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############################################################################
# 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 -Wstrict-prototypes -Wsign-compare
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 \
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)
|
