#!/bin/sh
#
# Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@openbsd.org>
# Copyright (c) 2017, 2018 Kristaps Dzonsons <kristaps@bsd.lv>
# Copyright (c) 2022, 2023 Omar Polo <op@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

set -e

RELEASE=no

usage()
{
	echo "usage: $0 [--help] [--option=value] [OPTION=VALUE]" >&2
	exit 1
}

PKG_CONFIG=
if command -v pkg-config 2>/dev/null >&2; then
	PKG_CONFIG=pkg-config
fi

while [ $# -gt 0 ]; do
	key="${1%%=*}"
	val="${1#*=}"

	if [ "$key" = --help ]; then
		usage
	fi

	if [ "$key" = "$1" ]; then
		# if no --x=y, look at the next arg
		if !shift 2>/dev/null; then
			echo "$0: missing value for $key" >&2
			exit 1
		fi
		val="$1"
	fi

	case "$key" in
	--mandir)	key=MANDIR ;;
	--perllib)	key=PERL_LIB ;;
	--prefix)	key=PREFIX ;;
	--realsysconfdir) key=REALSYSCONFDIR ;;
	--sharedir)	key=SHAREDIR ;;
	--sysconfdir)	key=SYSCONFDIR ;;
	--wwwuser)	key=WWWUSER ;;
	esac

	case "$key" in
	CC)		CC="$val" ;;
	CFLAGS)		CFLAGS="$val" ;;
	LDFLAGS)	LDFLAGS="$val" ;;
	MANDIR)		MANDIR="$val" ;;
	PERL_LIB)	PERL_LIB="$val" ;;
	PKG_CONFIG)	PKG_CONFIG="$val" ;;
	PREFIX)		PREFIX="$val" ;;
	REALSYSCONFDIR)	REALSYSCONFDIR="$val" ;;
	SHAREDIR)	SHAREDIR="$val" ;;
	SYSCONFDIR)	SYSCONFDIR="$val" ;;
	WWWUSER)	WWWUSER="$val" ;;
	esac

	shift
done

CC=${CC:-cc}
CFLAGS=${CFLAGS:--O2 -pipe}
PREFIX=${PREFIX-/usr/local}
SYSCONFDIR=${SYSCONFDIR-/etc}
WWWUSER=${WWWUSER:-www}

pkgconfig=${PKG_CONFIG}
if [ "$pkgconfig" = no ]; then
	pkgconfig=
fi

export CC CFLAGS LDFLAGS pkgconfig

mv config.log config.log.old 2>/dev/null || true

exec 3> config.log
echo "config.log: writing..."

echo >&2
echo "running configure for \`msearchd':" >&2
(cd msearchd && ./configure)
echo >&2
echo "returning to the configure for \`smarc':" >&2

exec > config.mk
echo "config.mk: writing...">&2

cat <<EOF
INSTALL =		install
INSTALL_PROGRAM =	\${INSTALL} -m 0555
INSTALL_LIB =		\${INSTALL} -m 0444
INSTALL_MAN =		\${INSTALL} -m 0444
INSTALL_DATA =		\${INSTALL} -m 0444

BINDIR =		\${PREFIX}/bin
PREFIX =		${PREFIX}
LIBEXEC =		\${PREFIX}/libexec
SBINDIR =		\${PREFIX}/sbin
SYSCONFDIR =		${SYSCONFDIR}
WWWUSER =		${WWWUSER}
EOF

if [ -n "$REALSYSCONFDIR" ]; then
	echo "REALSYSCONFDIR = ${REALSYSCONFDIR}"
else
	echo 'REALSYSCONFDIR = ${SYSCONFDIR}'
fi

if [ -n "$MANDIR" ]; then
	echo "MANDIR = ${MANDIR}"
else
	echo 'MANDIR = ${PREFIX}/man'
fi

if [ -n "$SHAREDIR" ]; then
	echo "SHAREDIR = ${SHAREDIR}"
else
	echo 'SHAREDIR = ${PREFIX}/share'
fi

if [ -n "$PERL_LIB" ]; then
	echo "PERL_LIB = ${PERL_LIB}"
else
	echo 'PERL_LIB = ${PREFIX}/libdata/perl5/site_perl'
fi

echo >&2
echo "Now run \`make' to compile." >&2
echo >&2