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|
#!/bin/bash
progname=$(basename $0)
usage() {
cat >&2 <<EOF
Usage: $progname [options] <outdir> <depends>...
options:
-a, --copy-all copy all files in module tree (not just sources
required for build)
-b, --build-type=TYPE generate build infrastructure of TYPE
(one of 'make', 'make+config', 'automake', 'waf')
EOF
}
# parse options, setting the following flags
build_type=
opts=$(getopt -o ab: --long copy-all,build-type: -n $progname -- "$@")
if [ $? != 0 ]
then
usage
exit 1
fi
eval set -- "$opts"
MODFILES_ARGS="--no-tests --no-other"
while :
do
case "$1" in
-a|--copy-all)
MODFILES_ARGS=""
shift
;;
-b|--build-type)
build_type="$2"
shift 2
;;
--)
shift
break
;;
*)
echo "Internal error!">&2
exit 1
;;
esac
done
# we need at least two non-option arguments: outdir and a list of ccan
# modules
if [ $# -lt 2 ]
then
usage
exit 1
fi
# check --build-type argument sanity
case "$build_type" in
''|'make'|'make+config'|'automake'|'waf')
;;
*)
echo "Invalid build type '$build_type'" >&2
exit 1
esac
srcdir=$(dirname $0)/../
outdir="$1"
shift
modules="$@"
if [ -e "$outdir" ]
then
echo "Output directory '$outdir' already exists" >&2
exit 1
fi
tmpdir="$(mktemp -d)"
# sanity check, we don't want to be overwriting stuff in arbitrary dirs
[ $? -eq 0 -a -d "${tmpdir}" ] || exit 1
# We'll need the ccan_depends tool, but also a clean source tree. Build
# tools/ccan_depends, and store it in $tmpdir for later use
echo "Building ccan_depends, modfiles"
ccan_depends="$tmpdir/ccan_depends"
modfiles="$tmpdir/modfiles"
make -s -C "$srcdir" tools/ccan_depends tools/modfiles
[ $? -eq 0 ] || exit 1
cp "$srcdir/tools/ccan_depends" "$ccan_depends"
cp "$srcdir/tools/modfiles" "$modfiles"
echo "Cleaning source tree"
make -s -C "$srcdir" clean
[ $? -eq 0 ] || exit 1
# clean up on error
trap 'rm -rf $tmpdir' EXIT
copy_ccan_module() {
module_dir="$1"
module_srcdir="$srcdir/$module_dir"
module_destdir="$tmpdir/$module_dir"
mkdir -p "$module_destdir"
# Copy license
license="$module_srcdir/LICENSE"
[ -e "$license" ] && cp -a "$license" "$module_destdir"
for f in $("$modfiles" $MODULES_ARGS --no-license --git-only "$module_dir"); do
mkdir -p $(dirname "$module_destdir"/"$f")
cp "$module_srcdir"/$f "$module_destdir"/$f
done
}
# generate list of directories to copy
for module in $modules
do
# ccan_depends takes a directory name
module_dir="$srcdir/ccan/$module"
# we need the module itself...
echo "ccan/$module"
# .. plus dependencies
"$ccan_depends" "$module_dir"
if [ $? -ne 0 ]
then
echo "Invalid ccan module '$module'?" >&2
exit 1
fi
done |
sort -u |
while read dir
do
echo "Adding $dir"
copy_ccan_module $dir
done
# we're done with the dependency-tracking, remove the tool from our
# temporary directory
rm "$ccan_depends" "$modfiles"
echo "Adding licenses"
license_dir="$tmpdir/licenses"
mkdir "$license_dir"
find "$tmpdir" -type l -name LICENSE |
while read license
do
license_link=$(readlink "$license")
licence_file=$(basename "$license_link")
license_src="$srcdir/licenses/$licence_file"
license_dest="$license_dir/$license_file"
cp "$license_src" "$license_dest"
done
echo "Adding build infrastructure"
# generate automake Makefile.am
automakefile="$tmpdir/Makefile.am"
if [ "$build_type" = "automake" ]
then
(
echo "noinst_LIBRARIES = libccan.a"
echo "libccan_a_SOURCES = \\"
cd "$tmpdir"
find ccan -maxdepth 2 -name '*.[ch]' |
sed -e 's,^,\t,;$!s,$, \\,'
) > "$automakefile"
fi
makefile="$tmpdir/Makefile"
if [ "$build_type" = "make" -o "$build_type" = "make+config" ]
then
# add ccan Makefile
cp "$srcdir/Makefile-ccan" "$tmpdir/"
# add top-level Makefile
cat > "$makefile" << EOF
all: libccan.a
include Makefile-ccan
EOF
fi
# optionally add configurator, and relevant parts to top-level Makefile
if [ "$build_type" = "make+config" ]
then
echo "Adding configurator"
mkdir -p "$tmpdir/tools/configurator"
cp -a "$srcdir/tools/configurator" "$tmpdir/tools/"
cat >> "$makefile" <<EOF
tools/configurator/configurator: tools/configurator/configurator.c
config.h: tools/configurator/configurator Makefile Makefile-ccan
tools/configurator/configurator \$(CC) \$(CCAN_CFLAGS) > \$@ \\
|| rm -f \$@
objs = \$(patsubst %.c, %.o, \$(wildcard ccan/*/*.c))
\$(objs): config.h
EOF
fi
if [ "$build_type" = "waf" ]
then
echo "Adding waf wscript"
cat > "$tmpdir/wscript" << EOF
def build(ctx):
ctx(features = 'c cstlib',
source = ctx.path.ant_glob('**/*.c'),
target = 'ccan',
includes = '.')
EOF
fi
mv "$tmpdir" "$outdir"
echo "Done. ccan source tree built in $outdir"
trap - EXIT
|
