libgendep on Ubuntu 11.10

Hi,

with current SVN (r38) I get the following error:

  gcc -fPIC -Wall -pedantic -g -m64 -c /plain/krishna/src/genode/genode.git/base-foc/contrib/l4/tool/gendep/deptrack.c -o /plain/krishna/build/genode.foc_x86_32/l4/tool/gendep/deptrack.64.o
  gcc -fPIC -Wall -pedantic -g -m64 -c /plain/krishna/src/genode/genode.git/base-foc/contrib/l4/tool/gendep/syscall.c -o /plain/krishna/build/genode.foc_x86_32/l4/tool/gendep/syscall.64.o
  mkdir -p /plain/krishna/build/genode.foc_x86_32/l4/tool/gendep/64
  gcc -m64 -shared -Wl,-soname,/plain/krishna/build/genode.foc_x86_32/l4/tool/gendep/64/libgendep.so -ldl -o /plain/krishna/build/genode.foc_x86_32/l4/tool/gendep/64/libgendep.so /plain/krishna/build/genode.foc_x86_32/l4/tool/gendep/deptrack.64.o /plain/krishna/build/genode.foc_x86_32/l4/tool/gendep/syscall.64.o
  /usr/local/genode-gcc/bin/genode-x86-gcc: symbol lookup error: /plain/krishna/build/genode.foc_x86_32/l4/tool/gendep/64/libgendep.so: undefined symbol: dlsym

The attached patch fixed the issue for me and I'd like to share it
here ;-)

Greets
-- 
Christian Helmuth
Genode Labs

http://www.genode-labs.com/ · http://genode.org/ · /ˈdʒiː.nəʊd/

Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden
Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth

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Index: l4/tool/gendep/Makefile
===================================================================
--- l4/tool/gendep/Makefile	(revision 38)
+++ l4/tool/gendep/Makefile	(working copy)
@@ -23,7 +23,7 @@
 ifneq ($(filter linux freebsd,$(HOST_SYSTEM)),)
 LIB     := $(LIB32) $(LIB64)
 LIBDL-linux := -ldl
-cmd_link = $(HOST_CC) -m$(2) -shared -Wl,-soname,$(1) $(LIBDL-$(HOST_SYSTEM)) -o $(1)
+cmd_link = $(HOST_CC) -m$(2) -shared -Wl,--no-as-needed -Wl,-soname,$(1) $(LIBDL-$(HOST_SYSTEM)) -o $(1)
 else
 ifeq ($(HOST_SYSTEM),darwin)
 LIB     := $(OBJ_DIR)/libgendep.so