# provided with absolutely no warranty. See the COPYING and CREDITS
# files for more information.
+print_help="no"
+
+# The classic form here was to use --userinit $DEVNULL --sysinit
+# $DEVNULL, but that doesn't work on Win32 because SBCL doesn't handle
+# device names properly. We still need $DEVNULL to be NUL on Win32
+# because it's used elsewhere (such as canonicalize-whitespace), so we
+# need an alternate solution for the init file overrides. --no-foos
+# have now been available long enough that this should not stop anyone
+# from building.
+if [ "$OSTYPE" = "cygwin" -o "$OSTYPE" = "msys" ]
+then
+ SBCL_PREFIX="$PROGRAMFILES/sbcl"
+else
+ SBCL_PREFIX="/usr/local"
+fi
+SBCL_XC_HOST="sbcl --disable-debugger --no-userinit --no-sysinit"
+export SBCL_XC_HOST
+
+# Parse command-line options.
+bad_option() {
+ echo $1
+ echo "Enter \"$0 --help\" for list of valid options."
+ exit 1
+}
+
+WITH_FEATURES=""
+WITHOUT_FEATURES=""
+FANCY_FEATURES=":sb-core-compression :sb-xref-for-internals :sb-after-xc-core"
+
+fancy=false
+some_options=false
+for option
+do
+ optarg_ok=true
+ # Split --foo=bar into --foo and bar.
+ case $option in
+ *=*)
+ # For ease of scripting skip valued options with empty
+ # values.
+ optarg=`expr "X$option" : '[^=]*=\(.*\)'` || optarg_ok=false
+ option=`expr "X$option" : 'X\([^=]*=\).*'`
+ ;;
+ --with*)
+ optarg=`expr "X$option" : 'X--[^-]*-\(.*\)'` \
+ || bad_option "Malformed feature toggle: $option"
+ option=`expr "X$option" : 'X\(--[^-]*\).*'`
+ ;;
+ *)
+ optarg=""
+ ;;
+ esac
+
+ case $option in
+ --help | -help | -h)
+ print_help="yes" ;;
+ --prefix=)
+ $optarg_ok && SBCL_PREFIX=$optarg
+ ;;
+ --arch=)
+ $oparg_ok && SBCL_ARCH=$optarg
+ ;;
+ --xc-host=)
+ $optarg_ok && SBCL_XC_HOST=$optarg
+ ;;
+ --dynamic-space-size=)
+ $optarg_ok && SBCL_DYNAMIC_SPACE_SIZE=$optarg
+ ;;
+ --with)
+ WITH_FEATURES="$WITH_FEATURES :$optarg"
+ ;;
+ --without)
+ WITHOUT_FEATURES="$WITHOUT_FEATURES :$optarg"
+ ;;
+ --fancy)
+ WITH_FEATURES="$WITH_FEATURES $FANCY_FEATURES"
+ # Lower down we add :sb-thread for platforms where it can be built.
+ fancy=true
+ ;;
+ -*)
+ bad_option "Unknown command-line option to $0: \"$option\""
+ ;;
+ *)
+ if $some_options
+ then
+ bad_option "Unknown command-line option to $0: \"$option\""
+ else
+ legacy_xc_spec=$option
+ fi
+ ;;
+ esac
+ some_options=true
+done
+
+if (test -f customize-target-features.lisp && \
+ (test -n "$WITH_FEATURES" || test -n "$WITHOUT_FEATURES"))
+then
+ # Actually there's no reason why it would not work, but it would
+ # be confusing to say --with-thread only to have it turned off by
+ # customize-target-features.lisp...
+ echo "ERROR: Both customize-target-features.lisp, and feature-options"
+ echo "to make.sh present -- cannot use both at the same time."
+ exit 1
+fi
+
+# Previously XC host was provided as a positional argument.
+if test -n "$legacy_xc_spec"
+then
+ SBCL_XC_HOST="$legacy_xc_spec"
+fi
+
+if test "$print_help" = "yes"
+then
+ cat <<EOF
+\`make.sh' drives the SBCL build.
+
+Usage: $0 [OPTION]...
+
+ Important: make.sh does not currently control the entirety of the
+ build: configuration file customize-target-features.lisp and certain
+ environment variables play a role as well. see file INSTALL for
+ details.
+
+Options:
+ -h, --help Display this help and exit.
+
+ --prefix=<path> Specify the install location.
+
+ Script install.sh installs SBCL under the specified prefix
+ path: runtime as prefix/bin/sbcl, additional files under
+ prefix/lib/sbcl, and documentation under prefix/share.
+
+ This option also affects the binaries: built-in default for
+ SBCL_HOME is: prefix/lib/sbcl/
+
+ Default prefix is: /usr/local
+
+ --dynamic-space-size=<size> Default dynamic-space size for target.
+
+ This specifies the default dynamic-space size for the SBCL
+ being built. If you need to control the dynamic-space size
+ of the host SBCL, use the --xc-host option.
+
+ If not provided, the default is platform-specific. <size> is
+ taken to be megabytes unless explicitly suffixed with Gb in
+ order to specify the size in gigabytes.
+
+ --with-<feature> Build with specified feature.
+ --without-<feature> Build wihout the specfied feature.
+
+ --fancy Build with several optional features:
+
+ $FANCY_FEATURES
+
+ Plus threading on platforms which support it.
+
+ --arch=<string> Specify the architecture to build for.
+
+ Mainly for doing x86 builds on x86-64.
+
+ --xc-host=<string> Specify the Common Lisp compilation host.
+
+ The string provided should be a command to invoke the
+ cross-compilation Lisp system in such a way, that it reads
+ commands from standard input, and terminates when it reaches end
+ of file on standard input.
+
+ Examples:
+
+ "sbcl --disable-debugger --no-sysinit --no-userinit"
+ Use an existing SBCL binary as a cross-compilation
+ host even though you have stuff in your
+ initialization files which makes it behave in such a
+ non-standard way that it keeps the build from
+ working. Also disable the debugger instead of
+ waiting endlessly for a programmer to help it out
+ with input on *DEBUG-IO*. (This is the default.)
+
+ "sbcl"
+ Use an existing SBCL binary as a cross-compilation
+ host, including your initialization files and
+ building with the debugger enabled. Not recommended
+ for casual users.
+
+ "lisp -noinit -batch"
+ Use an existing CMU CL binary as a cross-compilation
+ host when you have weird things in your .cmucl-init
+ file.
+EOF
+ exit 1
+fi
+
+mkdir -p output
+# Save prefix for make and install.sh.
+echo "SBCL_PREFIX='$SBCL_PREFIX'" > output/prefix.def
+echo "$SBCL_DYNAMIC_SPACE_SIZE" > output/dynamic-space-size.txt
+
+# FIXME: Tweak this script, and the rest of the system, to support
+# a second bootstrapping pass in which the cross-compilation host is
+# known to be SBCL itself, so that the cross-compiler can do some
+# optimizations (especially specializable arrays) that it doesn't
+# know how to implement how in a portable way. (Or maybe that wouldn't
+# require a second pass, just testing at build-the-cross-compiler time
+# whether the cross-compilation host returns suitable values from
+# UPGRADED-ARRAY-ELEMENT-TYPE?)
+
+if [ "$OSTYPE" = "cygwin" -o "$OSTYPE" = "msys" ] ; then
+ DEVNULL=NUL
+else
+ DEVNULL=/dev/null
+fi
+export DEVNULL
+
+. ./find-gnumake.sh
+find_gnumake
+
+. ./generate-version.sh
+generate_version
+
+# Now that we've done our option parsing and found various
+# dependencies, write them out to a file to be sourced by other
+# scripts.
+
+echo "DEVNULL=\"$DEVNULL\"; export DEVNULL" > output/build-config
+echo "GNUMAKE=\"$GNUMAKE\"; export GNUMAKE" >> output/build-config
+echo "SBCL_XC_HOST=\"$SBCL_XC_HOST\"; export SBCL_XC_HOST" >> output/build-config
+echo "legacy_xc_spec=\"$legacy_xc_spec\"; export legacy_xc_spec" >> output/build-config
+
+# And now, sorting out the per-target dependencies...
+
case `uname` in
Linux)
sbcl_os="linux"
CYGWIN* | WindowsNT | MINGW*)
sbcl_os="win32"
;;
+ HP-UX)
+ sbcl_os="hpux"
+ ;;
*)
echo unsupported OS type: `uname`
exit 1
link_or_copy() {
if [ "$sbcl_os" = "win32" ] ; then
- cp -r "$1" "$2"
+ # Use preprocessor or makefile includes instead of copying if
+ # possible, to avoid unexpected use of the original, unchanged
+ # files when re-running only make-target-1 during development.
+ if echo "$1" | egrep '[.][ch]$'; then
+ echo "#include \"$1\"" >"$2"
+ elif echo "$1" | egrep '^Config[.]'; then
+ echo "include $1" >"$2"
+ else
+ cp -r "$1" "$2"
+ fi
else
- ln -s "$1" "$2"
+ ln -s "$1" "$2"
fi
}
echo //ensuring the existence of output/ directory
if [ ! -d output ] ; then mkdir output; fi
-ltf=`pwd`/local-target-features.lisp-expr
-echo //initializing $ltf
-echo ';;;; This is a machine-generated file.' > $ltf
-echo ';;;; Please do not edit it by hand.' >> $ltf
-echo ';;;; See make-config.sh.' >> $ltf
-printf '(' >> $ltf
-
echo //guessing default target CPU architecture from host architecture
case `uname -m` in
*86) guessed_sbcl_arch=x86 ;;
i86pc) guessed_sbcl_arch=x86 ;;
*x86_64) guessed_sbcl_arch=x86-64 ;;
+ amd64) guessed_sbcl_arch=x86-64 ;;
[Aa]lpha) guessed_sbcl_arch=alpha ;;
sparc*) guessed_sbcl_arch=sparc ;;
sun*) guessed_sbcl_arch=sparc ;;
- ppc) guessed_sbcl_arch=ppc ;;
+ *ppc) guessed_sbcl_arch=ppc ;;
ppc64) guessed_sbcl_arch=ppc ;;
Power*Macintosh) guessed_sbcl_arch=ppc ;;
parisc) guessed_sbcl_arch=hppa ;;
+ 9000/800) guessed_sbcl_arch=hppa ;;
mips*) guessed_sbcl_arch=mips ;;
*)
# If we're not building on a supported target architecture, we
;;
esac
+# Under Solaris, uname -m returns "i86pc" even if CPU is amd64.
+if [ "$sbcl_os" = "sunos" ] && [ `isainfo -k` = "amd64" ]; then
+ guessed_sbcl_arch=x86-64
+fi
+
+# Under Darwin, uname -m returns "i386" even if CPU is x86_64.
+if [ "$sbcl_os" = "darwin" ] && [ "`/usr/sbin/sysctl -n hw.optional.x86_64`" = "1" ]; then
+ guessed_sbcl_arch=x86-64
+fi
+
echo //setting up CPU-architecture-dependent information
+if test -n "$SBCL_ARCH"
+then
+ # Normalize it.
+ SBCL_ARCH=`echo $SBCL_ARCH | tr '[A-Z]' '[a-z]' | tr _ -`
+fi
sbcl_arch=${SBCL_ARCH:-$guessed_sbcl_arch}
echo sbcl_arch=\"$sbcl_arch\"
if [ "$sbcl_arch" = "" ] ; then
- echo "can't guess target SBCL architecture, need SBCL_ARCH environment var"
+ echo "can't guess target SBCL architecture, please specify --arch=<name>"
exit 1
fi
-printf ":%s" "$sbcl_arch" >> $ltf
+if $fancy
+then
+ # If --fancy, enable threads on platforms where they can be built.
+ case $sbcl_arch in
+ x86|x86-64|ppc)
+ if [ "$sbcl_os" = "sunos" ] && [ "$sbcl_arch" = "x86-64" ]
+ then
+ echo "No threads on this platform."
+ else
+ WITH_FEATURES="$WITH_FEATURES :sb-thread"
+ echo "Enabling threads due to --fancy."
+ fi
+ ;;
+ *)
+ echo "No threads on this platform."
+ ;;
+ esac
+fi
-for d in src/compiler src/assembly; do
- echo //setting up symlink $d/target
- original_dir=`pwd`
- remove_dir_safely "$d/target"
- cd ./$d
- if [ -d $sbcl_arch ] ; then
- link_or_copy $sbcl_arch target
- else
- echo "missing sbcl_arch directory $PWD/$sbcl_arch"
- exit 1
- fi
- cd $original_dir
-done
+ltf=`pwd`/local-target-features.lisp-expr
+echo //initializing $ltf
+echo ';;;; This is a machine-generated file.' > $ltf
+echo ';;;; Please do not edit it by hand.' >> $ltf
+echo ';;;; See make-config.sh.' >> $ltf
+echo "((lambda (features) (set-difference features (list$WITHOUT_FEATURES)))" >> $ltf
+printf " (union (list$WITH_FEATURES) (list " >> $ltf
-echo //setting up symlink src/compiler/assembly
-remove_dir_safely src/compiler/assembly
-original_dir=`pwd`
-cd src/compiler
-link_or_copy ../assembly assembly
-cd $original_dir
+printf ":%s" "$sbcl_arch" >> $ltf
echo //setting up OS-dependent information
+# Under Darwin x86-64, guess whether Darwin 9+ or below.
+if [ "$sbcl_os" = "darwin" ] && [ "$sbcl_arch" = "x86-64" ]; then
+ darwin_version=`uname -r`
+ darwin_version_major=${DARWIN_VERSION_MAJOR:-${darwin_version%%.*}}
+ if (( 8 < $darwin_version_major )); then
+ printf ' :inode64 :darwin9-or-better' >> $ltf
+ fi
+fi
+
original_dir=`pwd`
cd ./src/runtime/
rm -f Config target-arch-os.h target-arch.h target-os.h target-lispregs.h
link_or_copy $sbcl_arch-lispregs.h target-lispregs.h
case "$sbcl_os" in
linux)
+ printf ' :unix' >> $ltf
printf ' :elf' >> $ltf
printf ' :linux' >> $ltf
+
+ # If you add other platforms here, don't forget to edit
+ # src/runtime/Config.foo-linux too.
+ case "$sbcl_arch" in
+ mips)
+ printf ' :largefile' >> $ltf
+ ;;
+ x86 | x86-64)
+ printf ' :sb-thread :sb-futex :largefile' >> $ltf
+ ;;
+ ppc)
+ printf ' :sb-futex' >> $ltf
+ ;;
+ esac
+
if [ $sbcl_arch = "x86-64" ]; then
link_or_copy Config.x86_64-linux Config
else
link_or_copy linux-os.h target-os.h
;;
osf1)
+ printf ' :unix' >> $ltf
printf ' :elf' >> $ltf
printf ' :osf1' >> $ltf
link_or_copy Config.$sbcl_arch-osf1 Config
link_or_copy $sbcl_arch-osf1-os.h target-arch-os.h
link_or_copy osf1-os.h target-os.h
;;
+ hpux)
+ printf ' :unix' >> $ltf
+ printf ' :elf' >> $ltf
+ printf ' :hpux' >> $ltf
+ link_or_copy Config.$sbcl_arch-hpux Config
+ link_or_copy $sbcl_arch-hpux-os.h target-arch-os.h
+ link_or_copy hpux-os.h target-os.h
+ ;;
*bsd)
+ printf ' :unix' >> $ltf
printf ' :bsd' >> $ltf
link_or_copy $sbcl_arch-bsd-os.h target-arch-os.h
link_or_copy bsd-os.h target-os.h
freebsd)
printf ' :elf' >> $ltf
printf ' :freebsd' >> $ltf
+ printf ' :gcc-tls' >> $ltf
+ if [ $sbcl_arch = "x86" ]; then
+ printf ' :restore-tls-segment-register-from-context' >> $ltf
+ fi
link_or_copy Config.$sbcl_arch-freebsd Config
;;
openbsd)
esac
;;
darwin)
+ printf ' :unix' >> $ltf
printf ' :mach-o' >> $ltf
printf ' :bsd' >> $ltf
+ printf ' :darwin' >> $ltf
+ if [ $sbcl_arch = "x86" ]; then
+ printf ' :mach-exception-handler :restore-fs-segment-register-from-tls :ud2-breakpoints' >> $ltf
+ fi
+ if [ $sbcl_arch = "x86-64" ]; then
+ printf ' :mach-exception-handler :ud2-breakpoints' >> $ltf
+ fi
link_or_copy $sbcl_arch-darwin-os.h target-arch-os.h
link_or_copy bsd-os.h target-os.h
- printf ' :darwin' >> $ltf
link_or_copy Config.$sbcl_arch-darwin Config
;;
sunos)
+ printf ' :unix' >> $ltf
printf ' :elf' >> $ltf
printf ' :sunos' >> $ltf
+ if [ $sbcl_arch = "x86-64" ]; then
+ printf ' :largefile' >> $ltf
+ fi
link_or_copy Config.$sbcl_arch-sunos Config
link_or_copy $sbcl_arch-sunos-os.h target-arch-os.h
link_or_copy sunos-os.h target-os.h
;;
win32)
printf ' :win32' >> $ltf
+ printf ' :sb-qshow' >> $ltf
link_or_copy Config.$sbcl_arch-win32 Config
link_or_copy $sbcl_arch-win32-os.h target-arch-os.h
link_or_copy win32-os.h target-os.h
exit 1
;;
esac
-cd $original_dir
+cd "$original_dir"
# FIXME: Things like :c-stack-grows-..., etc, should be
# *derived-target-features* or equivalent, so that there was a nicer
# similar with :STACK-GROWS-FOOWARD, too. -- WHN 2002-03-03
if [ "$sbcl_arch" = "x86" ]; then
printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack' >> $ltf
- printf ' :stack-allocatable-closures :alien-callbacks' >> $ltf
- if [ "$sbcl_os" = "linux" ] || [ "$sbcl_os" = "freebsd" ] || [ "$sbcl_os" = "netbsd" ] || [ "$sbcl_os" = "sunos" ]; then
+ printf ' :compare-and-swap-vops :unwind-to-frame-and-call-vop :raw-instance-init-vops' >> $ltf
+ printf ' :stack-allocatable-closures :stack-allocatable-vectors' >> $ltf
+ printf ' :stack-allocatable-lists :stack-allocatable-fixed-objects' >> $ltf
+ printf ' :alien-callbacks :cycle-counter :inline-constants ' >> $ltf
+ printf ' :memory-barrier-vops :multiply-high-vops' >> $ltf
+ case "$sbcl_os" in
+ linux | freebsd | netbsd | openbsd | sunos | darwin | win32)
printf ' :linkage-table' >> $ltf
- fi
+ esac
if [ "$sbcl_os" = "win32" ]; then
# of course it doesn't provide dlopen, but there is
# roughly-equivalent magic nevertheless.
printf ' :os-provides-dlopen' >> $ltf
fi
+ if [ "$sbcl_os" = "openbsd" ]; then
+ rm -f src/runtime/openbsd-sigcontext.h
+ sh tools-for-build/openbsd-sigcontext.sh > src/runtime/openbsd-sigcontext.h
+ fi
elif [ "$sbcl_arch" = "x86-64" ]; then
printf ' :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack :linkage-table' >> $ltf
- printf ' :stack-allocatable-closures :alien-callbacks' >> $ltf
+ printf ' :compare-and-swap-vops :unwind-to-frame-and-call-vop :raw-instance-init-vops' >> $ltf
+ printf ' :stack-allocatable-closures :stack-allocatable-vectors' >> $ltf
+ printf ' :stack-allocatable-lists :stack-allocatable-fixed-objects' >> $ltf
+ printf ' :alien-callbacks :cycle-counter :complex-float-vops' >> $ltf
+ printf ' :float-eql-vops :inline-constants :memory-barrier-vops' >> $ltf
+ printf ' :multiply-high-vops' >> $ltf
elif [ "$sbcl_arch" = "mips" ]; then
- printf ' :linkage-table' >> $ltf
- printf ' :stack-allocatable-closures' >> $ltf
- # Use a little C program to try to guess the endianness. Ware
- # cross-compilers!
- #
- # FIXME: integrate to grovel-features, mayhaps
- $GNUMAKE -C tools-for-build determine-endianness -I src/runtime
- tools-for-build/determine-endianness >> $ltf
-elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "linux" ]; then
- # Use a C program to detect which kind of glibc we're building on,
- # to bandage across the break in source compatibility between
- # versions 2.3.1 and 2.3.2
- #
- # FIXME: integrate to grovel-features., maypahps
- printf ' :gencgc :stack-allocatable-closures :linkage-table' >> $ltf
- $GNUMAKE -C tools-for-build where-is-mcontext -I src/runtime
- tools-for-build/where-is-mcontext > src/runtime/ppc-linux-mcontext.h
-elif [ "$sbcl_arch" = "ppc" -a "$sbcl_os" = "darwin" ]; then
- printf ' :gencgc :stack-allocatable-closures' >> $ltf
- # We provide a dlopen shim, so a little lie won't hurt
- printf " :os-provides-dlopen :linkage-table :alien-callbacks" >> $ltf
- # The default stack ulimit under darwin is too small to run PURIFY.
- # Best we can do is complain and exit at this stage
- if [ "`ulimit -s`" = "512" ]; then
- echo "Your stack size limit is too small to build SBCL."
- echo "See the limit(1) or ulimit(1) commands and the README file."
- exit 1
+ printf ' :cheneygc :linkage-table' >> $ltf
+ printf ' :stack-allocatable-closures :stack-allocatable-vectors' >> $ltf
+ printf ' :stack-allocatable-lists :stack-allocatable-fixed-objects' >> $ltf
+ printf ' :alien-callbacks' >> $ltf
+elif [ "$sbcl_arch" = "ppc" ]; then
+ printf ' :gencgc :stack-allocatable-closures :stack-allocatable-lists' >> $ltf
+ printf ' :linkage-table :raw-instance-init-vops :memory-barrier-vops' >> $ltf
+ printf ' :compare-and-swap-vops :multiply-high-vops' >> $ltf
+ if [ "$sbcl_os" = "linux" ]; then
+ # Use a C program to detect which kind of glibc we're building on,
+ # to bandage across the break in source compatibility between
+ # versions 2.3.1 and 2.3.2
+ #
+ # FIXME: integrate to grovel-features, mayhaps
+ $GNUMAKE -C tools-for-build where-is-mcontext -I ../src/runtime
+ tools-for-build/where-is-mcontext > src/runtime/ppc-linux-mcontext.h || (echo "error running where-is-mcontext"; exit 1)
+ elif [ "$sbcl_os" = "darwin" ]; then
+ # We provide a dlopen shim, so a little lie won't hurt
+ printf " :os-provides-dlopen :alien-callbacks" >> $ltf
+ # The default stack ulimit under darwin is too small to run PURIFY.
+ # Best we can do is complain and exit at this stage
+ if [ "`ulimit -s`" = "512" ]; then
+ echo "Your stack size limit is too small to build SBCL."
+ echo "See the limit(1) or ulimit(1) commands and the README file."
+ exit 1
+ fi
fi
elif [ "$sbcl_arch" = "sparc" ]; then
# Test the compiler in order to see if we are building on Sun
# FUNCDEF macro for assembler. No harm in running this on sparc-linux
# as well.
sh tools-for-build/sparc-funcdef.sh > src/runtime/sparc-funcdef.h
+ printf ' :cheneygc' >> $ltf
if [ "$sbcl_os" = "sunos" ] || [ "$sbcl_os" = "linux" ]; then
printf ' :linkage-table' >> $ltf
fi
- printf ' :stack-allocatable-closures' >> $ltf
+ printf ' :stack-allocatable-closures :stack-allocatable-lists' >> $ltf
elif [ "$sbcl_arch" = "alpha" ]; then
- printf ' :stack-allocatable-closures' >> $ltf
+ printf ' :cheneygc' >> $ltf
+ printf ' :stack-allocatable-closures :stack-allocatable-lists' >> $ltf
+elif [ "$sbcl_arch" = "hppa" ]; then
+ printf ' :cheneygc' >> $ltf
+ printf ' :stack-allocatable-vectors :stack-allocatable-fixed-objects' >> $ltf
+ printf ' :stack-allocatable-lists' >> $ltf
else
# Nothing need be done in this case, but sh syntax wants a placeholder.
echo > /dev/null
fi
+# Use a little C program to try to guess the endianness. Ware
+# cross-compilers!
+#
+# FIXME: integrate to grovel-features, mayhaps
+$GNUMAKE -C tools-for-build determine-endianness -I ../src/runtime
+tools-for-build/determine-endianness >> $ltf
+
export sbcl_os sbcl_arch
sh tools-for-build/grovel-features.sh >> $ltf
echo //finishing $ltf
-echo ')' >> $ltf
+echo ')))' >> $ltf
# FIXME: The version system should probably be redone along these lines:
#