Add tcsh to linux MFS

Also rename old fake tcsh to tcsh.fake, and run a new script that
symlinks tcsh and csh to tcsh.fake if tcsh doesn't exist.  This way tcsh
can be removed from the build but tcsh/csh users can still log in.

mfs/linux_mfs/Makefile

@@ -14,7 +14,7 @@ INITRAMFS	=	$(BOOT_PATH)/initramfs.gz
 FAKEROOT_BIN	=	fakeroot
 
 MODULES := busybox zlib linux dropbear testbed hdparm target_template sudo \
-       	e2fsprogs openssl wget perl portmap file ethtool ncurses jove
+       	e2fsprogs openssl wget perl portmap file ethtool ncurses jove tcsh
 #MODULES := busybox zlib linux dropbear testbed hdparm target_template sudo e2fsprogs openssl wget portmap file
 INSTALL_MODULES := $(addsuffix -install,$(MODULES))
 EXTRACT_MODULES := $(addsuffix -extract,$(MODULES) toolchain)
@@ -72,18 +72,6 @@ uclibc-install: $(TARGET_PATH)/lib/libc.so.0
 $(FAKEROOT_ENVIRONMENT):
 	touch $@
 
-devices: $(FAKEROOT_ENVIRONMENT)
-	rm -rf $(TARGET_PATH)/dev
-	$(FAKEROOT_BIN) -s $(FAKEROOT_ENVIRONMENT) \
-		-i $(FAKEROOT_ENVIRONMENT) \
-		$(SCRIPTS_PATH)/makedevs.sh \
-		$(SCRIPTS_PATH)/devices $(TARGET_PATH)
-
-permissions: $(FAKEROOT_ENVIRONMENT) devices install
-	$(FAKEROOT_BIN) -s $(FAKEROOT_ENVIRONMENT) \
-		-i $(FAKEROOT_ENVIRONMENT) \
-		$(SCRIPTS_PATH)/fixperms.sh $(TARGET_PATH)
-
 initramfs: install
 	rm -rf $(INITRAMFS_PATH)
 	cp -dpR $(TARGET_PATH) $(INITRAMFS_PATH)
@@ -96,6 +84,9 @@ initramfs: install
 	$(FAKEROOT_BIN) -s $(FAKEROOT_ENVIRONMENT) \
 		-i $(FAKEROOT_ENVIRONMENT) \
 		$(SCRIPTS_PATH)/fixperms.sh $(INITRAMFS_PATH)
+	$(FAKEROOT_BIN) -s $(FAKEROOT_ENVIRONMENT) \
+		-i $(FAKEROOT_ENVIRONMENT) \
+		$(SCRIPTS_PATH)/misc_fixup.sh $(TARGET_PATH)
 	$(FAKEROOT_BIN) -i $(FAKEROOT_ENVIRONMENT) \
 		$(SCRIPTS_PATH)/gen_initramfs.sh $(INITRAMFS_PATH) $(INITRAMFS)
 	rm -f $(FAKEROOT_ENVIRONMENT)

mfs/linux_mfs/scripts/misc_fixup.sh

+#! /bin/sh
+
+target_dir="$1"
+
+if [ -z "$target_dir" ] || ! [ -d "$target_dir" ]; then
+	echo "${0##*/}: invalid target directory \"$target_dir\""
+	exit 1
+fi
+
+if ! [ -f "$target_dir/bin/tcsh" ]; then
+	ln -sf /bin/tcsh.fake "$target_dir/bin/tcsh"
+	ln -sf /bin/tcsh.fake "$target_dir/bin/csh"
+fi

mfs/linux_mfs/source/target_template/template/etc/shells

 /bin/sh
+/bin/csh
 /bin/tcsh
-/bin/bash

mfs/linux_mfs/source/tcsh/Makefile

+include ../../variables.mk
+
+TCSH_VERSION	=	6.14.00
+TCSH_PATH	=	$(TARGET_BUILD_PATH)/tcsh-$(TCSH_VERSION)
+
+.PHONY: extract patch config \
+	tcsh install clean all
+
+all: tcsh
+
+extract: $(TCSH_PATH)/.extract-stamp
+
+patch: $(TCSH_PATH)/.patch-stamp
+
+config: $(TCSH_PATH)/.config-stamp
+
+tcsh: $(TCSH_PATH)/tcsh
+
+install: $(TARGET_PATH)/bin/tcsh
+
+clean:
+	PATH=$(STAGING_DIR)/usr/bin:$(PATH) $(MAKE) -C $(TCSH_PATH) clean
+	rm -f $(TCSH_PATH)/.build-stamp $(TCSH_PATH)/.config-stamp
+
+$(TCSH_PATH)/.extract-stamp:
+	mkdir -p $(TARGET_BUILD_PATH)
+	cd $(TARGET_BUILD_PATH); tar xzf $(TARBALL_PATH)/tcsh-$(TCSH_VERSION).tar.gz
+	touch $@
+
+$(TCSH_PATH)/.patch-stamp: $(TCSH_PATH)/.extract-stamp
+	$(SCRIPTS_PATH)/patch-kernel.sh $(TCSH_PATH) $(SOURCE_PATH)/tcsh '*.patch'
+	touch $@
+
+$(TCSH_PATH)/.config-stamp: $(TCSH_PATH)/.patch-stamp
+	rm -f $(TCSH_PATH)/config.cache
+	(cd $(TCSH_PATH);  \
+		PATH=$(STAGING_DIR)/usr/bin:$(PATH) \
+		$(HOST_CONFIGURE_OPTS) \
+		./configure \
+		--target=$(MFS_ARCH)-linux-uclibc \
+		--host=$(MFS_ARCH)-linux-uclibc \
+		--build=$(MFS_ARCH)-linux-gnu \
+		--prefix=/usr \
+		--exec-prefix=/usr \
+		--bindir=/usr/bin \
+		--sbindir=/usr/sbin \
+		--libdir=/lib \
+		--libexecdir=/usr/lib \
+		--sysconfdir=/etc \
+		--datadir=/usr/share \
+		--localstatedir=/var \
+		--mandir=/usr/man \
+		--infodir=/usr/info \
+	)
+	touch $@
+
+#--enable-elf-shlibs --enable-dynamic-e2fsck --disable-swapfs \
+
+#--enable-elf-shlibs \
+
+$(TCSH_PATH)/tcsh: $(TCSH_PATH)/.config-stamp
+	PATH=$(STAGING_DIR)/usr/bin:$(PATH) \
+	        CC=$(TARGET_CC) \
+	        $(MAKE) -C $(TCSH_PATH) \
+		$(TARGET_CONFIGURE_OPTS) LD=$(MFS_ARCH)-linux-uclibc-gcc
+	touch $@
+
+$(TARGET_PATH)/bin/tcsh: $(TCSH_PATH)/tcsh
+	install -d -m 755 $(TARGET_PATH)/bin
+	rm -f $(TARGET_PATH)/bin/tcsh
+	rm -f $(TARGET_PATH)/bin/csh
+	install -m 755 $< $@
+	$(STRIPCMD) --strip-unneeded $@
+	ln -sf /bin/tcsh $(TARGET_PATH)/bin/csh
+	touch -c $@
+

mfs/linux_mfs/source/tcsh/configure_cross_compile.patch

+diff -ur tcsh-6.14.00.orig/config.sub tcsh-6.14.00/config.sub
+--- tcsh-6.14.00.orig/config.sub	2002-07-12 07:14:20.000000000 -0600
++++ tcsh-6.14.00/config.sub	2010-07-21 12:51:55.000000000 -0600
+@@ -1216,6 +1216,9 @@
+ 		;;
+ 	-none)
+ 		;;
++	-uclibc)
++		os=-linux-gnu
++		;;
+ 	*)
+ 		# Get rid of the `-' at the beginning of $os.
+ 		os=`echo $os | sed 's/[^-]*-//'`
+diff -ur tcsh-6.14.00.orig/configure tcsh-6.14.00/configure
+--- tcsh-6.14.00.orig/configure	2005-03-23 06:20:30.000000000 -0700
++++ tcsh-6.14.00/configure	2010-07-21 13:33:28.000000000 -0600
+@@ -7110,72 +7110,75 @@
+ 
+ fi
+ 
+-echo "$as_me:$LINENO: checking whether setpgrp takes no argument" >&5
+-echo $ECHO_N "checking whether setpgrp takes no argument... $ECHO_C" >&6
+-if test "${ac_cv_func_setpgrp_void+set}" = set; then
+-  echo $ECHO_N "(cached) $ECHO_C" >&6
+-else
+-  if test "$cross_compiling" = yes; then
+-  { { echo "$as_me:$LINENO: error: cannot check setpgrp when cross compiling" >&5
+-echo "$as_me: error: cannot check setpgrp when cross compiling" >&2;}
+-   { (exit 1); exit 1; }; }
+-else
+-  cat >conftest.$ac_ext <<_ACEOF
+-/* confdefs.h.  */
+-_ACEOF
+-cat confdefs.h >>conftest.$ac_ext
+-cat >>conftest.$ac_ext <<_ACEOF
+-/* end confdefs.h.  */
+-#if HAVE_UNISTD_H
+-# include <unistd.h>
+-#endif
+-
+-int
+-main ()
+-{
+-/* If this system has a BSD-style setpgrp which takes arguments,
+-  setpgrp(1, 1) will fail with ESRCH and return -1, in that case
+-  exit successfully. */
+-  exit (setpgrp (1,1) == -1 ? 0 : 1);
+-  ;
+-  return 0;
+-}
+-_ACEOF
+-rm -f conftest$ac_exeext
+-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+-  (eval $ac_link) 2>&5
+-  ac_status=$?
+-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+-  (eval $ac_try) 2>&5
+-  ac_status=$?
+-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+-  (exit $ac_status); }; }; then
+-  ac_cv_func_setpgrp_void=no
+-else
+-  echo "$as_me: program exited with status $ac_status" >&5
+-echo "$as_me: failed program was:" >&5
+-sed 's/^/| /' conftest.$ac_ext >&5
++#echo "$as_me:$LINENO: checking whether setpgrp takes no argument" >&5
++#echo $ECHO_N "checking whether setpgrp takes no argument... $ECHO_C" >&6
++#if test "${ac_cv_func_setpgrp_void+set}" = set; then
++#  echo $ECHO_N "(cached) $ECHO_C" >&6
++#else
++#  if test "$cross_compiling" = yes; then
++#  { { echo "$as_me:$LINENO: error: cannot check setpgrp when cross compiling" >&5
++#echo "$as_me: error: cannot check setpgrp when cross compiling" >&2;}
++#   { (exit 1); exit 1; }; }
++#else
++#  cat >conftest.$ac_ext <<_ACEOF
++#/* confdefs.h.  */
++#_ACEOF
++#cat confdefs.h >>conftest.$ac_ext
++#cat >>conftest.$ac_ext <<_ACEOF
++#/* end confdefs.h.  */
++##if HAVE_UNISTD_H
++## include <unistd.h>
++##endif
++
++#int
++#main ()
++#{
++#/* If this system has a BSD-style setpgrp which takes arguments,
++#  setpgrp(1, 1) will fail with ESRCH and return -1, in that case
++#  exit successfully. */
++#  exit (setpgrp (1,1) == -1 ? 0 : 1);
++#  ;
++#  return 0;
++#}
++#_ACEOF
++#rm -f conftest$ac_exeext
++#if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
++#  (eval $ac_link) 2>&5
++#  ac_status=$?
++#  echo "$as_me:$LINENO: \$? = $ac_status" >&5
++#  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
++#  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
++#  (eval $ac_try) 2>&5
++#  ac_status=$?
++#  echo "$as_me:$LINENO: \$? = $ac_status" >&5
++#  (exit $ac_status); }; }; then
++#  ac_cv_func_setpgrp_void=no
++#else
++#  echo "$as_me: program exited with status $ac_status" >&5
++#echo "$as_me: failed program was:" >&5
++#sed 's/^/| /' conftest.$ac_ext >&5
++
++#( exit $ac_status )
++#ac_cv_func_setpgrp_void=yes
++#fi
++#rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
++#fi
++#fi
++#echo "$as_me:$LINENO: result: $ac_cv_func_setpgrp_void" >&5
++#echo "${ECHO_T}$ac_cv_func_setpgrp_void" >&6
++#if test $ac_cv_func_setpgrp_void = yes; then
++
++#cat >>confdefs.h <<\_ACEOF
++##define SETPGRP_VOID 1
++#_ACEOF
+ 
+-( exit $ac_status )
+-ac_cv_func_setpgrp_void=yes
+-fi
+-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+-fi
+-fi
+-echo "$as_me:$LINENO: result: $ac_cv_func_setpgrp_void" >&5
+-echo "${ECHO_T}$ac_cv_func_setpgrp_void" >&6
+-if test $ac_cv_func_setpgrp_void = yes; then
++#fi
+ 
++# XXX hack
+ cat >>confdefs.h <<\_ACEOF
+ #define SETPGRP_VOID 1
+ _ACEOF
+ 
+-fi
+-
+-
+-