Add in a stub libnsl library to make stupid configure scripts

(i.e. openssh) do the right thing when used with uClibc's gcc
wrapper (which does not currently prevent system libraries from
leaking into the link).
 -Erik

Makefile

@@ -32,7 +32,7 @@ noconfig_targets := menuconfig config oldconfig randconfig \
 TOPDIR=./
 include Rules.mak
 
-DIRS = extra ldso libc libcrypt libresolv libutil libm libpthread
+DIRS = extra ldso libc libcrypt libresolv libnsl libutil libm libpthread
 
 ifdef include_config
 
@@ -47,6 +47,7 @@ ifeq ($(strip $(HAVE_SHARED)),y)
 	@$(MAKE) -C ldso shared
 	@$(MAKE) -C libcrypt shared
 	@$(MAKE) -C libresolv shared
+	@$(MAKE) -C libnsl shared
 	@$(MAKE) -C libutil shared
 	@$(MAKE) -C libm shared
 	@$(MAKE) -C libpthread shared

libnsl/.cvsignore

@@ -0,0 +1 @@
+libnsl.so*

libnsl/Makefile

@@ -0,0 +1,58 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2002 Erik Andersen <andersen@uclibc.org>
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU Library General Public License as published by the Free
+# Software Foundation; either version 2 of the License, or (at your option) any
+# later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Library General Public License
+# along with this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+TOPDIR=../
+include $(TOPDIR)Rules.mak
+
+LIBRESOLV=libnsl.a
+LIBRESOLV_SHARED=libnsl.so
+LIBRESOLV_SHARED_FULLNAME=libnsl-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
+
+CSRC = nsl.c
+OBJS=$(patsubst %.c,%.o, $(CSRC))
+
+all: $(OBJS) $(LIBRESOLV)
+
+$(LIBRESOLV): ar-target
+
+ar-target: $(OBJS)
+	$(AR) $(ARFLAGS) $(LIBRESOLV) $(OBJS)
+	install -d $(TOPDIR)lib
+	rm -f $(TOPDIR)lib/$(LIBRESOLV)
+	install -m 644 $(LIBRESOLV) $(TOPDIR)lib
+
+$(OBJS): %.o : %.c
+	$(CC) $(CFLAGS) -c $< -o $@
+	$(STRIPTOOL) -x -R .note -R .comment $*.o
+
+$(OBJ): Makefile
+
+shared: all
+	$(LD) $(LDFLAGS) -soname=$(LIBRESOLV_SHARED).$(MAJOR_VERSION) \
+		-o $(LIBRESOLV_SHARED_FULLNAME) --whole-archive $(LIBRESOLV) \
+		--no-whole-archive $(TOPDIR)/libc/misc/internals/interp.o \
+		-L$(TOPDIR)/lib -lc;
+	install -d $(TOPDIR)lib
+	rm -f $(TOPDIR)lib/$(LIBRESOLV_SHARED_FULLNAME) $(TOPDIR)lib/$(LIBRESOLV_SHARED).$(MAJOR_VERSION)
+	install -m 644 $(LIBRESOLV_SHARED_FULLNAME) $(TOPDIR)lib;
+	(cd $(TOPDIR)lib && ln -sf $(LIBRESOLV_SHARED_FULLNAME) $(LIBRESOLV_SHARED)); 
+	(cd $(TOPDIR)lib && ln -sf $(LIBRESOLV_SHARED_FULLNAME) $(LIBRESOLV_SHARED).$(MAJOR_VERSION)); 
+
+clean: 
+	rm -f *.[oa] *~ core $(LIBRESOLV_SHARED)* $(LIBRESOLV_SHARED_FULLNAME)*
+

libnsl/nsl.c

@@ -0,0 +1,30 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * libnsl for uClibc
+ *
+ * Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Library General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <features.h>
+
+void __stub2(void)
+{
+	return;
+}
+link_warning (__stub2, "the `libnsl' library is a stub.  Do you really need it?")
+