# output directory, will be created if it doesn't exist
O = build
CFLAGS = -std=c99 -pedantic -Wall -O3
UNAME := $(shell uname -s)
MANDATORY_CFLAGS := \
-D_LARGEFILE_SOURCE=1 $(shell getconf LFS_CFLAGS 2>/dev/null) \
-D_XOPEN_SOURCE=600
MANDATORY_LDFLAGS := $(shell getconf LFS_LIBS 2>/dev/null)
ifeq ($(UNAME),Darwin)
LIB_EXT = dylib
LIB_DEST_OPT = -install_name
else
LIB_EXT = so
LIB_DEST_OPT = -soname
endif
ALL_CFLAGS += $(CFLAGS) $(MANDATORY_CFLAGS) -fPIC
ALL_LDFLAGS += $(LDFLAGS) $(MANDATORY_LDFLAGS) -fPIC
# some platforms do not have librt, we only use it if available
NEED_LIBRT := $(shell ld -o rtcheck.$(LIB_EXT) -shared -lrt 2>/dev/null && echo -lrt; \
rm -f rtcheck.$(LIB_EXT))
LIBS = -lpthread $(NEED_LIBRT)
# shorthands for common build variants
ifdef DEBUG
ALL_CFLAGS += -g
ALL_LDFLAGS += -g
endif
ifdef PROFILE
ALL_CFLAGS += -g -pg -fprofile-arcs -ftest-coverage
ALL_LDFLAGS += -g -pg -fprofile-arcs -ftest-coverage -lgcov
endif
ifdef FI
ALL_CFLAGS += -DFIU_ENABLE=1
LIBS += -lfiu
endif
# prefix for installing the binaries
PREFIX = /usr/local
# prefix for eventual location of binaries
DESTDIR=$(PREFIX)
# install utility, we assume it's GNU/BSD compatible
INSTALL=install
# nicer output
ifneq ($(V), 1)
N_CC = @echo " CC $(subst $O/,,$@)"; $(CC)
N_AR = @echo " AR $(subst $O/,,$@)"; $(AR)
else
N_CC = $(CC)
N_AR = $(AR)
endif
# library version, used for soname and generated documentation
LIB_VER=1.02
LIB_OBJ_VER=1
OBJS = $(addprefix $O/,autosync.o checksum.o common.o compat.o trans.o \
check.o journal.o unix.o ansi.o)
# targets
default: all
all: $O/libjio.$(LIB_EXT) $O/libjio.a $O/libjio.pc $O/jiofsck
# used to rebuild everything when the build flags have changed
BF = $(CC) ~ $(ALL_CFLAGS) ~ $(PREFIX)
$O/build-flags: .force-build-flags
@mkdir -p $O
@if [ x"$(BF)" != x"`cat $O/build-flags 2>/dev/null`" ]; then \
if [ -f $O/build-flags ]; then \
echo "build flags changed, rebuilding"; \
fi; \
echo "$(BF)" > $O/build-flags; \
fi
$(OBJS): $O/build-flags
$O/%.o: %.c
@mkdir -p $O
$(N_CC) $(ALL_CFLAGS) -MMD -MF $@.mak -MP -MT $@ -c $< -o $@
sinclude $(OBJS:.o=.o.mak)
$O/libjio.$(LIB_EXT): $O/build-flags $(OBJS)
$(N_CC) -shared $(ALL_LDFLAGS) \
-Wl,$(LIB_DEST_OPT),libjio.$(LIB_EXT).$(LIB_OBJ_VER) \
$(OBJS) $(LIBS) -o $O/libjio.$(LIB_EXT).$(LIB_VER)
@echo " LN libjio.$(LIB_EXT).$(LIB_VER)"
@ln -fs libjio.$(LIB_EXT).$(LIB_VER) $O/libjio.$(LIB_EXT)
@ln -fs libjio.$(LIB_EXT).$(LIB_VER) $O/libjio.$(LIB_EXT).$(LIB_OBJ_VER)
$O/libjio.a: $O/build-flags $(OBJS)
$(N_AR) cr $@ $(OBJS)
$O/libjio.pc: $O/build-flags libjio.pc.in
@echo " GEN libjio.pc"
@cat libjio.pc.in | \
sed 's@++PREFIX++@$(DESTDIR)@g' | \
sed 's@++VERSION++@$(LIB_VER)@g' | \
sed 's@++CFLAGS++@$(MANDATORY_CFLAGS)@g' \
> $O/libjio.pc
$O/jiofsck: $O/build-flags $O/jiofsck.o $O/libjio.a
$(N_CC) $(ALL_LDFLAGS) $O/jiofsck.o $O/libjio.a $(LIBS) -o $@
install: all
$(INSTALL) -d $(PREFIX)/lib
$(INSTALL) -m 0755 $O/libjio.$(LIB_EXT).$(LIB_VER) $(PREFIX)/lib
ln -fs libjio.$(LIB_EXT).$(LIB_VER) $(PREFIX)/lib/libjio.$(LIB_EXT)
ln -fs libjio.$(LIB_EXT).$(LIB_VER) $(PREFIX)/lib/libjio.$(LIB_EXT).$(LIB_OBJ_VER)
$(INSTALL) -m 0644 $O/libjio.a $(PREFIX)/lib
$(INSTALL) -d $(PREFIX)/include
$(INSTALL) -m 0644 libjio.h $(PREFIX)/include
$(INSTALL) -d $(PREFIX)/lib/pkgconfig
$(INSTALL) -m 644 $O/libjio.pc $(PREFIX)/lib/pkgconfig
$(INSTALL) -d $(PREFIX)/bin
$(INSTALL) -m 0775 $O/jiofsck $(PREFIX)/bin
$(INSTALL) -d $(PREFIX)/share/man/man3
$(INSTALL) -m 0644 libjio.3 $(PREFIX)/share/man/man3/
@echo
@echo "Please run ldconfig to update your library cache"
@echo
doxygen:
$(MAKE) LIB_VER=$(LIB_VER) -C doxygen
clean:
rm -f $O/libjio.a $O/libjio.$(LIB_EXT) $O/libjio.$(LIB_EXT).$(LIB_VER) $O/libjio.pc
rm -f $O/libjio.$(LIB_EXT).$(LIB_OBJ_VER)
rm -f $(OBJS) $O/jiofsck.o $O/jiofsck
rm -f $O/*.bb $O/*.bbg $O/*.da $O/*.gcov $O/*.gcno $O/*.gcda $O/gmon.out
rm -f $O/build-flags $O/*.o.mak
$(MAKE) -C doxygen $@
.PHONY: default all install clean doxygen .force-build-flags