YEM-20070519:
Patch from Bernhard Fischer <rep.dot.nop@gmail.com> on the uClibc mailing
list ( http://www.uclibc.org/lists/uclibc/2008-January/018940.html ) above
the 400-bits_sysnum_h.patch.

Index: uClibc/Makefile.in
===================================================================
--- uClibc/Makefile.in	(revision 18651)
+++ uClibc/Makefile.in	(working copy)
@@ -114,7 +116,7 @@ install: install_runtime install_dev
 RUNTIME_PREFIX_LIB_FROM_DEVEL_PREFIX_LIB=$(shell $(top_srcdir)extra/scripts/relative_path.sh $(DEVEL_PREFIX)lib $(RUNTIME_PREFIX)lib)
 
 # Installs header files.
-install_headers:
+install_headers: headers
 	$(INSTALL) -d $(PREFIX)$(DEVEL_PREFIX)include
 	printf ".svn\n.cvsignore\nCVS\n" > tar_exclude ; \
 	$(TAR) -chf - -X tar_exclude include \