rework makefiles + install mount tools

Makefile

@@ -37,8 +37,7 @@ endif
 endif
 
 USE_XATTR = 1
-
-FUSE_CFLAGS = -D_FILE_OFFSET_BITS=64 -Ilibfuse/include
+UGID_USE_RWLOCK = 0
 
 ifeq ($(DEBUG),1)
 DEBUG_FLAGS := -g
@@ -58,29 +57,30 @@ else
 LTO_FLAGS :=
 endif
 
-UGID_USE_RWLOCK = 0
-
-OPTS 	    = -O2
 SRC	    = $(wildcard src/*.cpp)
 OBJS        = $(SRC:src/%.cpp=build/%.o)
 DEPS        = $(SRC:src/%.cpp=build/%.d)
 MANPAGE     = mergerfs.1
-CXXFLAGS   += \
-	      $(OPTS) \
+CXXFLAGS    = \
+              -O2 \
               $(DEBUG_FLAGS) \
               $(STATIC_FLAGS) \
               $(LTO_FLAGS) \
               -Wall \
 	      -Wno-unused-result \
-              $(FUSE_CFLAGS) \
-              -DFUSE_USE_VERSION=29 \
-              -MMD \
+              -MMD
+FUSE_FLAGS = \
+              -Ilibfuse/include \
+              -D_FILE_OFFSET_BITS=64 \
+              -DFUSE_USE_VERSION=29
+MFS_FLAGS  = \
 	      -DUSE_XATTR=$(USE_XATTR) \
 	      -DUGID_USE_RWLOCK=$(UGID_USE_RWLOCK)
-LDFLAGS    += \
+LDFLAGS    = \
 	      -pthread \
               -lrt
 
+DESTDIR       =
 PREFIX        = /usr/local
 EXEC_PREFIX   = $(PREFIX)
 DATAROOTDIR   = $(PREFIX)/share
@@ -108,7 +108,7 @@ objects: version build/stamp
 	$(MAKE) $(OBJS)
 
 build/mergerfs: libfuse objects
-	$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(OBJS) -o $@ libfuse/build/libfuse.a $(LDFLAGS)
+	$(CXX) $(CXXFLAGS) $(FUSE_FLAGS) $(MFS_FLAGS) $(CPPFLAGS) $(OBJS) -o $@ libfuse/build/libfuse.a $(LDFLAGS)
 
 mergerfs: build/mergerfs
 
@@ -128,7 +128,7 @@ build/stamp:
 	$(TOUCH) $@
 
 build/%.o: src/%.cpp
-	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $< -o $@
+	$(CXX) $(CXXFLAGS) $(FUSE_FLAGS) $(MFS_FLAGS) $(CPPFLAGS) -c $< -o $@
 
 .PHONY: clean
 clean: rpm-clean
@@ -142,15 +142,15 @@ ifeq ($(GIT_REPO),1)
 endif
 
 .PHONY: install
-install: install-base install-mount.mergerfs install-man
+install: install-base install-mount-tools install-man
 
 install-base: build/mergerfs
 	$(MKDIR) -p "$(INSTALLBINDIR)"
 	$(INSTALL) -v -m 0755 build/mergerfs "$(INSTALLBINDIR)/mergerfs"
 
-install-mount.mergerfs: install-base
+install-mount-tools: install-base
 	$(MKDIR) -p "$(INSTALLBINDIR)"
-	$(LN) -fs "mergerfs" "$(INSTALLBINDIR)/mount.mergerfs"
+	$(MAKE) -C libfuse install
 
 install-man: $(MANPAGE)
 	$(MKDIR) -p "$(INSTALLMAN1DIR)"

libfuse/Makefile

@@ -1,5 +1,4 @@
-VERSION = "2.9.7-mergerfs_2.29.0"
-OPTS = -O2
+VERSION = 2.9.7-mergerfs_2.29.0
 
 ifeq ($(DEBUG),1)
 DEBUG_FLAGS := -g
@@ -7,9 +6,20 @@ else
 DEBUG_FLAGS :=
 endif
 
-DESTDIR = "/"
-BINDIR = "/bin"
-SBINDIR = "/sbin"
+DESTDIR       =
+PREFIX        = /usr/local
+EXEC_PREFIX   = $(PREFIX)
+DATAROOTDIR   = $(PREFIX)/share
+DATADIR       = $(DATAROOTDIR)
+BINDIR        = $(EXEC_PREFIX)/bin
+SBINDIR       = $(EXEC_PREFIX)/sbin
+MANDIR        = $(DATAROOTDIR)/man
+MAN1DIR       = $(MANDIR)/man1
+
+INSTALLBINDIR  = $(DESTDIR)$(BINDIR)
+INSTALLSBINDIR = $(DESTDIR)$(SBINDIR)
+INSTALLMAN1DIR = $(DESTDIR)$(MAN1DIR)
+
 SRC   = \
 	lib/buffer.c \
 	lib/cuse_lowlevel.c \
@@ -27,24 +37,26 @@ SRC   = \
 OBJS = $(SRC:lib/%.c=build/%.o)
 DEPS = $(SRC:lib/%.c=build/%.d)
 
-CFLAGS += \
-	$(OPTS) \
+CFLAGS = \
+	-O2 \
 	$(DEBUG_FLAGS) \
 	-Wall \
 	-pipe \
-	'-D_FILE_OFFSET_BITS=64' \
-	'-D_REENTRANT' \
-	'-DFUSE_USE_VERSION=29' \
-	'-DFUSERMOUNT_DIR="/usr/local/bin"' \
-	'-DPACKAGE_VERSION=$(VERSION)' \
+	-MMD
+FUSERMOUNT_DIR = $(BINDIR)
+FUSE_FLAGS = \
 	-Iinclude \
 	-Ibuild \
-	-MMD
-LDFLAGS += \
+	-D_REENTRANT \
+	-D_FILE_OFFSET_BITS=64 \
+	-DFUSE_USE_VERSION=29 \
+	-DPACKAGE_VERSION=\"$(VERSION)\" \
+	-DFUSERMOUNT_DIR=\"$(FUSERMOUNT_DIR)\"
+LDFLAGS = \
 	-lrt \
 	-pthread
 
-all: build/libfuse.a
+all: build/libfuse.a mount.mergerfs mergerfs-fusermount
 
 build/config.h: build/stamp
 	ecfd/build | tee build/config.h
@@ -59,26 +71,34 @@ objects: build/config.h
 build/libfuse.a: objects
 	ar rcs build/libfuse.a $(OBJS)
 
-build/mergerfs-mount: build/config.h util/fusermount.c lib/mount_util.c
-	$(CC) $(CFLAGS) -Ilib -o mergerfs-mount util/fusermount.c lib/mount_util.c
+build/mergerfs-fusermount: build/config.h util/fusermount.c lib/mount_util.c
+	$(CC) $(CFLAGS) $(FUSE_FLAGS) -Ilib -o build/mergerfs-fusermount util/fusermount.c lib/mount_util.c
 
-build/mount.mergerfs: build/libfuse.a util/mount.fuse.c
-	$(CC) $(CFLAGS) -o mount.mergerfs util/mount.fuse.c build/libfuse.a $(LDFLAGS)
+mergerfs-fusermount: build/mergerfs-fusermount
+
+build/mount.mergerfs: build/libfuse.a util/mount.mergerfs.c
+	$(CC) $(CFLAGS) $(FUSE_FLAGS) -o build/mount.mergerfs util/mount.mergerfs.c build/libfuse.a $(LDFLAGS)
+
+mount.mergerfs: build/mount.mergerfs
 
 build/%.o: lib/%.c
-	$(CC) $(CFLAGS) -c $< -o $@
+	$(CC) $(CFLAGS) $(FUSE_FLAGS) -c $< -o $@
 
 clean:
 	rm -rf build
 
 distclean: clean
 
-install: build/mergerfs-mount build/mount.mergerfs
-	install -D build/mergerfs-mount "$(DESTDIR)$(BINDIR)/mergerfs-mount"
-	chown root:root "$(DESTDIR)$(BINDIR)/mergerfs-mount"
-	chmod u+s "$(DESTDIR)$(BINDIR)/mergerfs-mount"
-	install -D build/mount.mergerfs "$(DESTDIR)$(SBINDIR)/mount.mergerfs"
+strip:
+	strip --strip-all build/mount.mergerfs
+	strip --strip-all build/mergerfs-fusermount
+
+install: mergerfs-fusermount mount.mergerfs strip
+	install -D build/mergerfs-fusermount "$(INSTALLBINDIR)/mergerfs-fusermount"
+	install -D build/mount.mergerfs "$(INSTALLSBINDIR)/mount.mergerfs"
+	chown root:root "$(INSTALLBINDIR)/mergerfs-fusermount"
+	chmod u+s "$(INSTALLBINDIR)/mergerfs-fusermount"
 
-.PHONY: objects
+.PHONY: objects strip
 
 -include $(DEPS)

libfuse/lib/mount_generic.c

@@ -143,7 +143,9 @@ static void mount_help(void)
 
 static void exec_fusermount(const char *argv[])
 {
-	execv(FUSERMOUNT_DIR "/" FUSERMOUNT_PROG, (char **) argv);
+        execv(FUSERMOUNT_DIR "/mergerfs-" FUSERMOUNT_PROG, (char **) argv);
+        execvp("mergerfs-" FUSERMOUNT_PROG, (char **) argv);
+        execv(FUSERMOUNT_DIR "/" FUSERMOUNT_PROG, (char **) argv);
 	execvp(FUSERMOUNT_PROG, (char **) argv);
 }
 
@@ -407,7 +409,7 @@ static int fuse_mount_fusermount(const char *mountpoint, struct mount_opts *mo,
 	rv = receive_fd(fds[1]);
 
 	if (!mo->auto_unmount) {
-		/* with auto_unmount option fusermount will not exit until 
+		/* with auto_unmount option fusermount will not exit until
 		   this socket is closed */
 		close(fds[1]);
 		waitpid(pid, NULL, 0); /* bury zombie */

libfuse/util/fusermount.c

@@ -1293,7 +1293,7 @@ int main(int argc, char *argv[])
 		return 0;
 
 	/* Become a daemon and wait for the parent to exit or die.
-	   ie For the control socket to get closed. 
+	   ie For the control socket to get closed.
 	   btw We don't want to use daemon() function here because
 	   it forks and messes with the file descriptors. */
 	setsid();

libfuse/util/mount.fuse.c → libfuse/util/mount.mergerfs.c

@@ -93,6 +93,7 @@ int main(int argc, char *argv[])
 	else
 		basename = argv[0];
 
+        type = "mergerfs";
 	if (strncmp(basename, "mount.fuse.", 11) == 0)
 		type = basename + 11;
 	if (strncmp(basename, "mount.fuseblk.", 14) == 0)

mergerfs.spec

@@ -1,7 +1,7 @@
 Name:		mergerfs
 Version:	__VERSION__
 Release:	1%{?dist}
-Summary:	A FUSE union filesystem
+Summary:	A featureful FUSE based union filesystem
 
 Group:		Applications/System
 License:	ISC
@@ -33,6 +33,7 @@ make install PREFIX=%{_prefix} DESTDIR=%{buildroot}
 
 %files
 %{_bindir}/*
+%{_sbindir}/*
 %doc %{_mandir}/*
 
 %changelog