diff --git a/libowfat/GNUmakefile b/libowfat/GNUmakefile

index 3f3193d..99c3a2c 100644

--- a/libowfat/GNUmakefile

+++ b/libowfat/GNUmakefile

@@ -13,7 +13,7 @@ LIBS=byte.a fmt.a scan.a str.a uint.a open.a stralloc.a unix.a socket.a \

 buffer.a mmap.a taia.a tai.a dns.a case.a mult.a array.a io.a \

 textcode.a cdb.a critbit.a

-all: headers ent $(LIBS) libowfat.a libsocket t

+all: headers ent $(LIBS) libowfat.so libsocket t

 pic pie:

 	$(MAKE) CC="gcc -fPIC" LDFLAGS="-fpie"

@@ -31,13 +31,13 @@ WARN=-W -Wall -Wextra $(WERROR)

 NATIVE=

 #NATIVE=-march=native -mtune=native

-OPT_REG=-O2

-OPT_PLUS=-O3 $(NATIVE)

+OPT_REG=

+OPT_PLUS=$(NATIVE)

 DEFINE=-D_REENTRANT

-CFLAGS=-pipe $(WARN) $(DEFINE) $(OPT_REG)

-CFLAGS_OPT=-pipe $(WARN) $(DEFINE) $(OPT_PLUS)

+CFLAGS_OPT=$(CFLAGS) $(WARN) $(DEFINE) $(OPT_PLUS) -fPIC

+override CFLAGS+=$(WARN) $(DEFINE) $(OPT_REG) -fPIC

 #CFLAGS=-pipe -Os -march=pentiumpro -mcpu=pentiumpro -fomit-frame-pointer -fschedule-insns2 -Wall

@@ -168,11 +168,10 @@ $(SOCKET_OBJS) $(BUFFER_OBJS) $(MMAP_OBJS) $(TEXTCODE_OBJS) \

 $(TAIA_OBJS) $(TAI_OBJS) $(CASE_OBJS) $(ARRAY_OBJS) $(MULT_OBJS) \

 $(IO_OBJS) $(CDB_OBJS) $(CRITBIT_OBJS)

-libowfat.a: $(ALL_OBJS)

-	$(CROSS)ar cru $@ $(ALL_OBJS)

-	-$(CROSS)ranlib $@

+libowfat.so: $(ALL_OBJS)

+	$(CROSS)gcc -shared -Wl,-soname,libowfat.so.$(MAJOR) -o $@.$(VERSION) $(ALL_OBJS) -lpthread

-CFLAGS+=-I.

+override CFLAGS+=-I.

 CFLAGS_OPT+=-I.

 %.o: byte/%.c

@@ -191,8 +190,8 @@ t.o: t.c fmt.h scan.h str.h uint16.h uint32.h stralloc.h socket.h \

   iarray.h io_internal.h haveepoll.h havekqueue.h havedevpoll.h \

   havesigio.h CAS.h

-t: t.o libowfat.a libsocket

-	$(DIET) $(CCC) -g -o $@ t.o libowfat.a `cat libsocket` -lpthread

+t: t.o libowfat.so libsocket

+	$(DIET) $(CCC) -g -o $@ t.o libowfat.so.$(VERSION) `cat libsocket` -lpthread

 .PHONY: all clean tar install rename

 clean:

@@ -206,6 +205,9 @@ uint16.h uint32.h uint64.h open.h textcode.h tai.h taia.h dns.h iopause.h case.h

 openreadclose.h readclose.h ndelay.h array.h io.h safemult.h iob.h havealloca.h \

 errmsg.h cdb.h cdb_make.h rangecheck.h iarray.h va_narg.h isset.h \

 compiletimeassert.h critbit.h

+VERSION=$(shell head -n 1 CHANGES|sed 's/://')

+MAJOR=$(shell echo $(VERSION)|sed 's/\..*//')

+CURNAME=$(notdir $(shell pwd))

 libowfat:

 	-mkdir libowfat

@@ -220,9 +222,9 @@ install-inc:

 	install -d $(DESTDIR)$(INCLUDEDIR)/libowfat

 	install -m 644 $(INCLUDES) $(DESTDIR)$(INCLUDEDIR)/libowfat

-install-lib: libowfat.a

+install-lib: libowfat.so

 	install -d $(DESTDIR)$(LIBDIR)

-	install -m 644 libowfat.a $(DESTDIR)$(LIBDIR)

+	install -m 644 libowfat.so.$(VERSION) $(DESTDIR)$(LIBDIR)

 install-man:

 	install -d $(DESTDIR)$(MAN3DIR)

@@ -235,10 +237,7 @@ uninstall:

 	rm -f $(INCLUDEDIR)/libowfat/*.h

 	test -d $(INCLUDEDIR)/libowfat && rmdir $(INCLUDEDIR)/libowfat

 	rm -f $(patsubst %.3,$(MAN3DIR)/%.3,$(notdir $(wildcard */*.3)))

-	rm -f $(LIBDIR)/libowfat.a

-

-VERSION=libowfat-$(shell head -n 1 CHANGES|sed 's/://')

-CURNAME=$(notdir $(shell pwd))

+	rm -f $(LIBDIR)/libowfat.so.$(VERSION)

 tar: Makefile clean rename

 	rm -f dep libdep