Backport to current build system

Makefile

@@ -393,7 +393,7 @@ clean:
 	-find . \( -name \*.o -o -name \*.os \) -exec $(RM) {} \;
 
 distclean: clean
-	-find . \( -name core -o -name \*.orig -o -name \*~ -o -name .\#\* \) -exec $(RM) {} \;
+	-find . \( -name core -o -name \*.orig -o -name \*~ \) -exec $(RM) {} \;
 	$(RM) .config .config.old .config.cmd
 	$(RM) extra/locale/*.txt
 	$(MAKE) -C extra clean

libpthread/linuxthreads/Makefile

@@ -42,7 +42,7 @@ SO_FULL_NAME = $(LIB_NAME)-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
 
 ARCH_CSRC := $(wildcard sysdeps/$(TARGET_ARCH)/*.c)
 ARCH_OBJS := $(patsubst %.c,%.o, $(ARCH_CSRC))
--include sysdeps/$(TARGET_ARCH)/Makefile.in
+-include sysdeps/$(TARGET_ARCH)/Makefile.arch
 
 CSRC = $(wildcard *.c)
 ifneq ($(UCLIBC_HAS_XLOCALE),y)