-PREFIX=/usr
+PREFIX=/usr/local
INSTALL=install
-CFLAGS+=-std=gnu99 -O2 -Wall -g -MMD -D_FILE_OFFSET_BITS=64 -I.
-LDFLAGS+=-static
+CFLAGS+=-std=gnu89 -O2 -g -MMD -Wall \
+ -Wno-pointer-sign \
+ -fno-strict-aliasing \
+ -I. -Iinclude -Iraid \
+ -D_FILE_OFFSET_BITS=64 \
+ -D_GNU_SOURCE \
+ -D_LGPL_SOURCE \
+ -DRCU_MEMBARRIER \
+ -DZSTD_STATIC_LINKING_ONLY \
+ -DNO_BCACHEFS_CHARDEV \
+ -DNO_BCACHEFS_FS \
+ -DNO_BCACHEFS_SYSFS \
+ -DVERSION_STRING='"$(VERSION)"' \
+ $(EXTRA_CFLAGS)
+LDFLAGS+=$(CFLAGS) $(EXTRA_LDFLAGS)
-PKGCONFIG_LIBS="blkid uuid"
-CFLAGS+=`pkg-config --cflags ${PKGCONFIG_LIBS}`
-LDLIBS+=`pkg-config --libs ${PKGCONFIG_LIBS}` -lscrypt -lsodium -lkeyutils -lm
+VERSION?=$(shell git describe --dirty=+ 2>/dev/null || echo v0.1-nogit)
+
+CC_VERSION=$(shell $(CC) -v 2>&1|grep -E '(gcc|clang) version')
+
+ifneq (,$(findstring gcc,$(CC_VERSION)))
+ CFLAGS+=-Wno-unused-but-set-variable
+endif
+
+ifneq (,$(findstring clang,$(CC_VERSION)))
+ CFLAGS+=-Wno-missing-braces
+endif
+
+ifdef D
+ CFLAGS+=-Werror
+ CFLAGS+=-DCONFIG_BCACHEFS_DEBUG=y
+endif
+
+PKGCONFIG_LIBS="blkid uuid liburcu libsodium zlib liblz4 libzstd"
+
+PKGCONFIG_CFLAGS:=$(shell pkg-config --cflags $(PKGCONFIG_LIBS))
+PKGCONFIG_LDLIBS:=$(shell pkg-config --libs $(PKGCONFIG_LIBS))
+
+CFLAGS+=$(PKGCONFIG_CFLAGS)
+LDLIBS+=$(PKGCONFIG_LDLIBS)
+
+LDLIBS+=-lm -lpthread -lrt -lscrypt -lkeyutils -laio
+LDLIBS+=$(EXTRA_LDLIBS)
ifeq ($(PREFIX),/usr)
ROOT_SBINDIR=/sbin
+ INITRAMFS_DIR=$(PREFIX)/share/initramfs-tools
else
ROOT_SBINDIR=$(PREFIX)/sbin
+ INITRAMFS_DIR=/etc/initramfs-tools
endif
.PHONY: all
-all: bcache
-
-CCANSRCS=$(wildcard ccan/*/*.c)
-CCANOBJS=$(patsubst %.c,%.o,$(CCANSRCS))
+all: bcachefs
-libccan.a: $(CCANOBJS)
- $(AR) r $@ $(CCANOBJS)
+SRCS=$(shell find . -type f -iname '*.c')
+DEPS=$(SRCS:.c=.d)
+-include $(DEPS)
-bcache-objs = bcache.o bcache-assemble.o bcache-device.o bcache-format.o\
- bcache-fs.o bcache-run.o bcache-key.o libbcache.o crypto.o util.o
+OBJS=$(SRCS:.c=.o)
+bcachefs: $(OBJS)
--include $(bcache-objs:.o=.d)
+# If the version string differs from the last build, update the last version
+ifneq ($(VERSION),$(shell cat .version 2>/dev/null))
+.PHONY: .version
+endif
+.version:
+ echo '$(VERSION)' > $@
-bcache: $(bcache-objs) libccan.a
+# Rebuild the 'version' command any time the version string changes
+cmd_version.o : .version
.PHONY: install
-install: bcache
- mkdir -p $(DESTDIR)$(ROOT_SBINDIR)
- mkdir -p $(DESTDIR)$(PREFIX)/share/man/man8/
- $(INSTALL) -m0755 bcache $(DESTDIR)$(ROOT_SBINDIR)
- $(INSTALL) -m0755 mkfs.bcache $(DESTDIR)$(ROOT_SBINDIR)
- $(INSTALL) -m0644 bcache.8 $(DESTDIR)$(PREFIX)/share/man/man8/
+install: INITRAMFS_HOOK=$(INITRAMFS_DIR)/hooks/bcachefs
+install: INITRAMFS_SCRIPT=$(INITRAMFS_DIR)/scripts/local-premount/bcachefs
+install: bcachefs
+ $(INSTALL) -m0755 -D bcachefs -t $(DESTDIR)$(ROOT_SBINDIR)
+ $(INSTALL) -m0755 fsck.bcachefs $(DESTDIR)$(ROOT_SBINDIR)
+ $(INSTALL) -m0755 mkfs.bcachefs $(DESTDIR)$(ROOT_SBINDIR)
+ $(INSTALL) -m0644 -D bcachefs.8 -t $(DESTDIR)$(PREFIX)/share/man/man8/
+ $(INSTALL) -m0755 -D initramfs/script $(DESTDIR)$(INITRAMFS_SCRIPT)
+ $(INSTALL) -m0755 -D initramfs/hook $(DESTDIR)$(INITRAMFS_HOOK)
+ sed -i '/^# Note: make install replaces/,$$d' $(DESTDIR)$(INITRAMFS_HOOK)
+ echo "copy_exec $(ROOT_SBINDIR)/bcachefs /sbin/bcachefs" >> $(DESTDIR)$(INITRAMFS_HOOK)
.PHONY: clean
clean:
- $(RM) bcache *.o *.d *.a
+ $(RM) bcachefs .version $(OBJS) $(DEPS)
.PHONY: deb
deb: all
- debuild -nc -us -uc -i -I
+# --unsigned-source --unsigned-changes --no-pre-clean --build=binary
+# --diff-ignore --tar-ignore
+ debuild -us -uc -nc -b -i -I
+
+.PHONE: update-bcachefs-sources
+update-bcachefs-sources:
+ git rm -rf --ignore-unmatch libbcachefs
+ test -d libbcachefs || mkdir libbcachefs
+ cp $(LINUX_DIR)/fs/bcachefs/*.[ch] libbcachefs/
+ cp $(LINUX_DIR)/include/trace/events/bcachefs.h include/trace/events/
+ $(RM) libbcachefs/*.mod.c
+ git -C $(LINUX_DIR) rev-parse HEAD | tee .bcachefs_revision
+ git add libbcachefs/*.[ch] include/trace/events/bcachefs.h .bcachefs_revision
+
+.PHONE: update-commit-bcachefs-sources
+update-commit-bcachefs-sources: update-bcachefs-sources
+ git commit -m "Update bcachefs sources to $(shell git -C $(LINUX_DIR) show --oneline --no-patch)"