We _must_ copy include/asm/ and include/linux/ when installing headers, since

once we build uClibc against those, they become part of uClibc's ABI and must
be included as part of the install.

Makefile

@@ -158,8 +158,7 @@ install_dev:
 	$(INSTALL) -d $(PREFIX)$(DEVEL_PREFIX)lib
 	$(INSTALL) -d $(PREFIX)$(DEVEL_PREFIX)include
 	-$(INSTALL) -m 644 lib/*.[ao] $(PREFIX)$(DEVEL_PREFIX)lib/
-	tar -chf - include \
-		--exclude .svn --exclude include/linux --exclude include/asm'*' \
+	tar -chf - include --exclude .svn --exclude CVS \
 		| tar -xf - -C $(PREFIX)$(DEVEL_PREFIX)
 ifneq ($(strip $(UCLIBC_HAS_FLOATS)),y)
 	# Remove floating point related headers since float support is disabled.