Fix shared library versions.

Index: Makefile
--- Makefile.orig
+++ Makefile
@@ -22,8 +22,8 @@ ASSUME_MASK ?= 0
 
 CPPFLAGS = -I libfdt -I . -DFDT_ASSUME_MASK=$(ASSUME_MASK)
 WARNINGS = -Wall -Wpointer-arith -Wcast-qual -Wnested-externs \
-	-Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wshadow
-CFLAGS = -g -Os $(SHAREDLIB_CFLAGS) -Werror $(WARNINGS) $(EXTRA_CFLAGS)
+	-Wstrict-prototypes -Wmissing-prototypes -Wshadow
+CFLAGS += $(SHAREDLIB_CFLAGS) -Werror $(WARNINGS) $(EXTRA_CFLAGS)
 
 BISON = bison
 LEX = flex
@@ -73,7 +73,7 @@ SHAREDLIB_LDFLAGS = -shared -Wl,--version-script=$(LIB
 else
 SHAREDLIB_EXT     = so
 SHAREDLIB_CFLAGS  = -fPIC
-SHAREDLIB_LDFLAGS = -fPIC -shared -Wl,--version-script=$(LIBFDT_version) -Wl,-soname,
+SHAREDLIB_LDFLAGS = -fPIC -shared -Wl,--version-script=$(LIBFDT_version)
 endif
 
 #
@@ -158,7 +158,7 @@ all: $(BIN) libfdt
 check_python_deps = \
 	if $(PKG_CONFIG) --cflags $(PYTHON) >/dev/null 2>&1; then \
 		if which swig >/dev/null 2>&1; then \
-			can_build=yes; \
+			can_build=no; \
 		fi; \
 	fi; \
 	if [ "$${can_build}" = "yes" ]; then \
@@ -207,9 +207,8 @@ $(LIBFDT_archive): $(addprefix $(LIBFDT_dir)/,$(LIBFDT
 
 $(LIBFDT_lib): $(addprefix $(LIBFDT_dir)/,$(LIBFDT_OBJS)) $(LIBFDT_version)
 	@$(VECHO) LD $@
-	$(CC) $(LDFLAGS) $(SHAREDLIB_LDFLAGS)$(LIBFDT_soname) -o $(LIBFDT_lib) \
+	$(CC) $(LDFLAGS) $(SHAREDLIB_LDFLAGS) -o $(LIBFDT_lib) \
 		$(addprefix $(LIBFDT_dir)/,$(LIBFDT_OBJS))
-	ln -sf $(LIBFDT_LIB) $(LIBFDT_dir)/$(LIBFDT_soname)
 
 ifneq ($(DEPTARGETS),)
 -include $(LIBFDT_OBJS:%.o=$(LIBFDT_dir)/%.d)
@@ -230,8 +229,6 @@ install-lib: all
 	@$(VECHO) INSTALL-LIB
 	$(INSTALL) -d $(DESTDIR)$(LIBDIR)
 	$(INSTALL_LIB) $(LIBFDT_lib) $(DESTDIR)$(LIBDIR)
-	ln -sf $(notdir $(LIBFDT_lib)) $(DESTDIR)$(LIBDIR)/$(LIBFDT_soname)
-	ln -sf $(LIBFDT_soname) $(DESTDIR)$(LIBDIR)/libfdt.$(SHAREDLIB_EXT)
 	$(INSTALL_DATA) $(LIBFDT_archive) $(DESTDIR)$(LIBDIR)
 
 install-includes: