diff --git a/sc2/build/unix/ansi b/sc2/build/unix/ansi
index 255f21794..a4bbf9757 100644
--- a/sc2/build/unix/ansi
+++ b/sc2/build/unix/ansi
@@ -1,4 +1,4 @@
-ESC=""
+ESC=`printf "\x1b"`
 ANSI_BOLD="${ESC}[1m"
 ANSI_NORMAL="${ESC}[0m"
 
diff --git a/sc2/build/unix/build_functions b/sc2/build/unix/build_functions
index d0e2b3232..04abaa032 100644
--- a/sc2/build/unix/build_functions
+++ b/sc2/build/unix/build_functions
@@ -37,7 +37,7 @@ usage() {
 
 # The actual recursing function
 build_recurse() {
-	local FILES SUBDIRS
+	typeset FILES SUBDIRS
 	# Perform an action for this dir
 	eval FILES="\${$BUILD_FILES_VAR}"
 	for FILE in $FILES; do
@@ -69,7 +69,7 @@ build_dependancies() {
 
 # Recursively build dependancy information
 build_rec_dependancies() {
-	local DEPEND_FILE EXTRA_OFILES
+	typeset DEPEND_FILE EXTRA_OFILES
 
 	echo "Building dependancy information..." 1>&2
 
@@ -103,7 +103,7 @@ build_collect_extra_o_files() {
 
 # Recursively collect .o-files
 build_rec_collect_o_files() {
-	local EXTRA_OFILES
+	typeset EXTRA_OFILES
 
 	BUILD_FILES_VAR=${BUILD_PROJECT}_CFILES
 	export BUILD_FILES_VAR
@@ -139,7 +139,7 @@ build_clean_dir() {
 }
 
 build_clean() {
-	local DEPEND_FILE
+	typeset DEPEND_FILE
 	eval DEPEND_FILE=".depend.\${${BUILD_PROJECT}_NAME%/}"
 	rm -f "$DEPEND_FILE" build.vars config.state src/config.h
 	BUILD_FILES_VAR=${BUILD_PROJECT}_CFILES
@@ -183,7 +183,7 @@ build_check_dependencies() {
 
 # Description: check if the program is compiled, and otherwise compile
 build_check_compile() {
-	local NAME
+	typeset NAME
 	eval NAME="\${${BUILD_PROJECT}_NAME}"
 	[ ! -e "$NAME" ] || return
 
@@ -192,7 +192,7 @@ build_check_compile() {
 
 # Install the program
 build_install() {
-	local BINS LIBS SRC DEST DESTDIR BINDIR LIBDIR
+	typeset BINS LIBS SRC DEST DESTDIR BINDIR LIBDIR
 
 	echo "Installing libraries..." 2>&1
 	eval LIBS="\${${BUILD_PROJECT}_INSTALL_LIBS}"
diff --git a/sc2/build/unix/config_functions b/sc2/build/unix/config_functions
index ab4352cec..daf7fd569 100644
--- a/sc2/build/unix/config_functions
+++ b/sc2/build/unix/config_functions
@@ -107,7 +107,7 @@ lexlt() {
 # Description: check if a program is present in the path
 # Arguments:   
 have_program() {
-	local TEMP_NAME TEMP_FILE TEMP_VERSION
+	typeset TEMP_NAME TEMP_FILE TEMP_VERSION
 
 	eval eval TEMP_NAME="\\\"\$PROG_${1}_NAME\\\""
 	if [ -z "$TEMP_NAME" ]; then
@@ -151,7 +151,7 @@ but version $2 is required!"
 # Returns:     0 - if the library is found
 #              1 - if the library is not found
 have_library() {
-	local LIB TEMP_NAME TEMP_PRESENT TEMP_LDFLAGS TEMP_CFLAGS \
+	typeset LIB TEMP_NAME TEMP_PRESENT TEMP_LDFLAGS TEMP_CFLAGS \
 			TEMP_VERSION
 
 	LIB="$1"
@@ -213,7 +213,7 @@ but version $2 is required"
 #              LIB_${1}_LDFLAGS are expected to exist. If two arguments are
 #              supplied, so is LIB_${1}_VERSION.
 use_library() {
-	local TEMP_CFLAGS TEMP_LDFLAGS
+	typeset TEMP_CFLAGS TEMP_LDFLAGS
 	have_library "$@"
 	[ $? -eq 0 ] || exit 1
 
@@ -227,7 +227,7 @@ use_library() {
 # Description: check if a symbol is defined.
 # Arguments:   $1 - the name of the symbol
 have_symbol() {
-	local SYMBOL
+	typeset SYMBOL
 	SYMBOL="$1"
 
 	# TODO: I'll want the include handling to be done differently
@@ -256,7 +256,7 @@ EOF
 #              name of the symbol.
 # Arguments:   $1 - the name of the symbol
 define_have_symbol() {
-	local NAME VALUE
+	typeset NAME VALUE
 	NAME=`$TR a-z A-Z << EOF
 $1
 EOF
@@ -271,7 +271,7 @@ EOF
 # Description: check if a header is available.
 # Arguments:   $1 - the name of the header file
 have_header() {
-	local HEADER
+	typeset HEADER
 	HEADER="$1"
 
 	try_compile_c "$TEMP_CFLAGS" "$TEMP_LDFLAGS" << EOF 2>&1 > /dev/null
@@ -293,7 +293,7 @@ EOF
 #              name of the header file. "sys/time.h" becomes "SYS_TIME_H".
 # Arguments:   $1 - the name of the symbol
 define_have_header() {
-	local NAME VALUE
+	typeset NAME VALUE
 	NAME=`$TR /.a-z __A-Z << EOF
 $1
 EOF
@@ -312,7 +312,7 @@ EOF
 # Arguments:   $1 - the symbol to add
 #              $2 - the value of the symbol
 add_symbol() {
-	local NAME
+	typeset NAME
 
 	eval NAME="$1"
 	eval "$NAME"=\"\$2\"
@@ -349,7 +349,7 @@ EOF
 #                   If a filename doesn't end on .in, that filename is used
 #                   as target, and the filename with .in attached as source.
 substitute_vars() {
-	local VARS VAR VALUE FILES FILE
+	typeset VARS VAR VALUE FILES FILE
 
 	eval VARS=\"\$$1\"
 	eval FILES=\"\$$2\"
diff --git a/sc2/build/unix/menu_functions b/sc2/build/unix/menu_functions
index 8aaecba90..054cdd35b 100644
--- a/sc2/build/unix/menu_functions
+++ b/sc2/build/unix/menu_functions
@@ -57,7 +57,7 @@ EOF
 # Arguments:   $1 - the type of menu item
 #              $2 - the name of the menu item
 menu_init() {
-	local INIT_FUN
+	typeset INIT_FUN
 
 	eval INIT_FUN="\$MENU_ITEM_TYPE_$1_INIT"
 	"$INIT_FUN" "$2"
@@ -66,7 +66,7 @@ menu_init() {
 # Description: Initialise this menu
 # Arguments:   $1 - the name of the menu
 menu_init_menu() {
-	local MENU TEMP_ITEMS ITEM TEMP_TYPE
+	typeset MENU TEMP_ITEMS ITEM TEMP_TYPE
 
 	MENU="$1"
 	eval TEMP_ITEMS="\$MENU_${MENU}_ITEMS"
@@ -82,7 +82,7 @@ menu_init_menu() {
 # Returns:     0 - if the choice is available
 #              1 - if the choice is not available
 menu_have_choice() {
-	local MENU CHOICE TEMP_VALID TEMP_PRECOND
+	typeset MENU CHOICE TEMP_VALID TEMP_PRECOND
 	MENU="$1"
 	CHOICE="$2"
 	eval TEMP_VALID="\$CHOICE_${MENU}_OPTION_${CHOICE}_VALID"
@@ -101,7 +101,7 @@ menu_have_choice() {
 # Description: Initialise this choice menu
 # Arguments:   $1 - the name of the choice menu
 menu_init_choice() {
-	local MENU TEMP_VALUE TEMP_DEFAULT TEMP_OPTIONS OPTION TEMP_TITLE
+	typeset MENU TEMP_VALUE TEMP_DEFAULT TEMP_OPTIONS OPTION TEMP_TITLE
 	MENU="$1"
 	eval TEMP_VALUE="\$CHOICE_${MENU}_VALUE"
 	eval TEMP_DEFAULT="\$CHOICE_${MENU}_DEFAULT"
@@ -121,7 +121,7 @@ menu_init_choice() {
 # Description: Initialise this input menu
 # Arguments:   $1 - the name of the input menu
 menu_init_input() {
-	local MENU TEMP_VALUE TEMP_DEFAULT
+	typeset MENU TEMP_VALUE TEMP_DEFAULT
 	MENU="$1"
 	eval TEMP_VALUE="\$INPUT_${MENU}_VALUE"
 	if [ -z "$TEMP_VALUE" ]; then
@@ -136,7 +136,7 @@ menu_init_input() {
 #              $2 - the name of the menu item
 # Outputs:     The string describing the value of the menu item
 menu_print_value() {
-	local PRINT_VALUE
+	typeset PRINT_VALUE
 
 	eval PRINT_VALUE="\$MENU_ITEM_TYPE_$1_PRINT_VALUE"
 	"$PRINT_VALUE" "$2"
@@ -153,7 +153,7 @@ menu_print_value_menu() {
 # Arguments:   $1 - the name of the choice menu item
 # Outputs:     The string describing the value of this choice menu
 menu_print_value_choice() {
-	local TEMP_VALUE TEMP_TITLE
+	typeset TEMP_VALUE TEMP_TITLE
 	eval TEMP_VALUE="\$CHOICE_$1_VALUE"
 	eval TEMP_TITLE=\"\$CHOICE_$1_OPTION_${TEMP_VALUE}_TITLE\"
 	cat << EOF
@@ -165,7 +165,7 @@ EOF
 # Arguments:   $1 - the name of the input menu item
 # Outputs:     The value of the given input menu
 menu_print_value_input() {
-	local TEMP_VALUE TEMP_TITLE
+	typeset TEMP_VALUE TEMP_TITLE
 	eval TEMP_VALUE="\$INPUT_$1_VALUE"
 	cat << EOF
 $TEMP_VALUE
@@ -177,7 +177,7 @@ EOF
 #              $2 - the name of the menu item
 # Outputs:     The string describing the value of the menu item
 menu_handle() {
-	local HANDLER
+	typeset HANDLER
 
 	eval HANDLER="\$MENU_ITEM_TYPE_$1_HANDLER"
 	"$HANDLER" "$2"
@@ -186,7 +186,7 @@ menu_handle() {
 # Description: Process a menu-type menu item
 # Arguments:   $1 - The name of the menu
 menu_handle_menu() {
-	local TEMP_ITEMS I CHOICE NUM_ITEMS TEMP_TYPE MENU ITEM TEMP_TITLE
+	typeset TEMP_ITEMS I CHOICE NUM_ITEMS TEMP_TYPE MENU ITEM TEMP_TITLE
 	eval TEMP_ITEMS="\$MENU_$1_ITEMS"
 	
 	MENU="$1"
@@ -248,7 +248,7 @@ EOF
 # Description: Process a choice-type menu item
 # Arguments:   $1 - The name of the menu
 menu_handle_choice() {
-	local TEMP_OPTIONS I CHOICE NUM_OPTIONS TEMP_TYPE MENU OPTION \
+	typeset TEMP_OPTIONS I CHOICE NUM_OPTIONS TEMP_TYPE MENU OPTION \
 			TEMP_VALUE TEMP_TITLE SELECTED
 	eval TEMP_OPTIONS="\$CHOICE_$1_OPTIONS"
 	
@@ -335,7 +335,7 @@ EOF
 # Description: Process an input-type menu item
 # Arguments:   $1 - The name of the menu
 menu_handle_input() {
-	local ITEM TEMP_TITLE TEMP_VALUE TEMP_DEFAULT NEW_VALUE TEMP_VALIDATOR
+	typeset ITEM TEMP_TITLE TEMP_VALUE TEMP_DEFAULT NEW_VALUE TEMP_VALIDATOR
 
 	ITEM="$1"
 	eval TEMP_TITLE="\$INPUT_${ITEM}_TITLE"
@@ -376,7 +376,7 @@ EOF
 #              $2 - the name of the menu item
 # Outputs:     The string describing the value of the menu item
 menu_save() {
-	local SAVE_FUN
+	typeset SAVE_FUN
 	eval SAVE_FUN="\$MENU_ITEM_TYPE_$1_SAVE"
 	"$SAVE_FUN" "$2"
 }
@@ -386,7 +386,7 @@ menu_save() {
 # Arguments:   $1 - the name of the menu
 # Outputs:     The string describing the value of the menu
 menu_save_menu() {
-	local MENU TEMP_ITEMS ITEM TEMP_TYPE
+	typeset MENU TEMP_ITEMS ITEM TEMP_TYPE
 
 	MENU="$1"
 	eval TEMP_ITEMS="\$MENU_${MENU}_ITEMS"
@@ -401,7 +401,7 @@ menu_save_menu() {
 # Arguments:   $1 - the name of the choice menu
 # Outputs:     The string describing the value of the choice menu
 menu_save_choice() {
-	local MENU TEMP_VALUE
+	typeset MENU TEMP_VALUE
 	MENU="$1"
 	eval TEMP_VALUE="\$CHOICE_${MENU}_VALUE"
 	cat << EOF
@@ -414,7 +414,7 @@ EOF
 # Arguments:   $1 - the name of the input menu
 # Outputs:     The string describing the value of the input menu
 menu_save_input() {
-	local MENU TEMP_VALUE
+	typeset MENU TEMP_VALUE
 	MENU="$1"
 	eval TEMP_VALUE="\$INPUT_${MENU}_VALUE"
 	cat << EOF
@@ -427,7 +427,7 @@ EOF
 # Arguments:   $1 - the type of menu item
 #              $2 - the name of the menu item
 menu_process() {
-	local PROCESS_FUN
+	typeset PROCESS_FUN
 	eval PROCESS_FUN="\$MENU_ITEM_TYPE_$1_PROCESS"
 	"$PROCESS_FUN" "$2"
 }
@@ -436,7 +436,7 @@ menu_process() {
 #              for a menu.
 # Arguments:   $1 - the name of the menu
 menu_process_menu() {
-	local MENU TEMP_ITEMS ITEM TEMP_TYPE
+	typeset MENU TEMP_ITEMS ITEM TEMP_TYPE
 
 	MENU="$1"
 	eval TEMP_ITEMS="\$MENU_${MENU}_ITEMS"
@@ -450,7 +450,7 @@ menu_process_menu() {
 #              a choice menu.
 # Arguments:   $1 - the name of the choice menu
 menu_process_choice() {
-	local MENU TEMP_VALUE TEMP_ACTION
+	typeset MENU TEMP_VALUE TEMP_ACTION
 	MENU="$1"
 	eval TEMP_VALUE="\$CHOICE_${MENU}_VALUE"
 	eval TEMP_ACTION="\$CHOICE_${MENU}_OPTION_${TEMP_VALUE}_ACTION"
diff --git a/sc2/build/unix_installer/buildinstaller.sh b/sc2/build/unix_installer/buildinstaller.sh
index 730cd4fcf..2661fcd7c 100755
--- a/sc2/build/unix_installer/buildinstaller.sh
+++ b/sc2/build/unix_installer/buildinstaller.sh
@@ -47,8 +47,7 @@ chmod -R go+rX "${TEMPDIR}/lib"
 
 echo "Making tar.gz file for everything except from the content."
 echo "Using maximum compression; this may take a moment."
-tar -cf "${TEMPDIR}/libpkg.tar" -C "${TEMPDIR}/lib/" uqm
-gzip -9 "${TEMPDIR}/libpkg.tar"
+tar -c -C "${TEMPDIR}/lib/" uqm | gzip -9 > "${TEMPDIR}/libpkg.tar.gz"
 
 echo "Making final executable."
 sh build/unix_installer/mkinstall "$DESTFILE" "${TEMPDIR}/libpkg.tar.gz" \
diff --git a/sc2/build/unix_installer/install.sh.in b/sc2/build/unix_installer/install.sh.in
index d8d8361f9..733495f72 100644
--- a/sc2/build/unix_installer/install.sh.in
+++ b/sc2/build/unix_installer/install.sh.in
@@ -194,7 +194,7 @@ mkdir -p -- "$INSTALL_BASE"/lib/uqm 2> /dev/null
 mkdir -p -- "$INSTALL_BASE"/bin 2> /dev/null
 
 echo "Unpacking content..."
-tar -xzf "$CONTENT_FILE" -C "$INSTALL_BASE"lib/uqm
+gzip -dc "$CONTENT_FILE" | tar -xzf - -C "$INSTALL_BASE"lib/uqm
 
 echo "Unpacking other stuff..."
 tail -c @ATTACHLEN@ < "$0" | tar -xzf - -C "$INSTALL_BASE"lib/