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#!/bin/sh -e
version=dev
die() {
printf '%s: %s\n' "${0##*/}" "$*" >&2
exit 1
}
out() { printf '%s\n' "$@" ;}
_check() {
for arg; do
printf 'checking for %s... ' "$arg"
command -v "$arg" || { out no; die "'$arg' not found" ;}
done
}
_check_multi() {
c=$1; shift
printf 'checking for %s... ' "$c"
for arg; do command -v "$arg" && return 0; done
out no; die "no $c was found"
}
usage() {
out "usage: $0 [options]" \
"Options:" \
" --prefix=dir Set prefix directory" \
" --bindir=dir User executables [PREFIX/bin]" \
" --datarootdir=dir Data root directory [PREFIX/share]" \
" --mandir=dir Manual pages [DATAROOTDIR/man]" \
" --infodir=dir info documentation [DATAROOTDIR/info]" \
" --docdir=dir Documentation directory [DATAROOTDIR/doc/cpt]" \
" --with-docs=opt Whether to build the texinfo documentation [auto]" "" \
" MAKEINFO Name of the 'makeinfo' executable" \
" EMACS Name of the 'emacs' executable" "" \
"Use these variables to override the behaviour of '$0'."
exit 1
}
prefix=/usr/local
# We don't want expansion
# shellcheck disable=2016
{
bindir='$(PREFIX)/bin'
datarootdir='$(PREFIX)/share'
mandir='$(DATAROOTDIR)/man'
infodir='$(DATAROOTDIR)/info'
docdir='$(DATAROOTDIR)/doc/cpt'
}
docs=auto
for arg; do
case $arg in
-h|--help) usage ;;
--prefix=*) prefix=${arg#*=} ;;
--bindir=*) bindir=${arg#*=} ;;
--mandir=*) mandir=${arg#*=} ;;
--infodir=*) infodir=${arg#*=} ;;
--docdir=*) docdir=${arg#*=} ;;
--without-docs) docs=no ;;
--with-docs) docs=yes ;;
--with-docs=*) docs=${arg#*=} ;;
*-*) die "Unknown option: '$arg'" ;;
*=*) export "${arg:?}" ;;
*) die "Unknown argument: '$arg'"
esac
done
trap 'rm -f config.mk' EXIT
trap 'rm -f config.mk; exit 1' INT
: "${EMACS:=emacs}" "${MAKEINFO:=makeinfo}"
out "starting configuration..."
cat <<EOF > config.mk
PREFIX = $prefix
BINDIR = $bindir
DATAROOTDIR = $datarootdir
MANDIR = $mandir
INFODIR = $infodir
DOCDIR = $docdir
MAN1 = \$(MANDIR)/man1
VERSION = $version
EMACS = $EMACS
EOF
case $docs in
auto|yes)
printf 'checking for makeinfo... '
if makeinfo=$(command -v "$MAKEINFO"); then
out "$makeinfo"
docs=yes
out "MAKEINFO = $makeinfo" >>config.mk
else
out no
[ "$docs" = yes ] && die "'$MAKEINFO' not found"
docs=no
fi
esac
[ "$docs" = no ] && out "not building documentation"
out "DOCS = $docs" >>config.mk
out "checking runtime dependencies"
_check pax rsync sed awk grep b3sum
_check_multi "sha256 provider" sha256sum sha256 openssl
trap - EXIT INT
out "written config.mk" "Run 'make' to build cpt"
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