configure

#!/bin/sh
#
# PLEASE NOTE: You probably want to look at src/build/bin/configure
#              instead of this file.
#
# This file does not handle options, it merely passes them on.
#

DEBUG=0
log()
{
    if [ "$DEBUG" = 1 ]; then
        echo "$@"
    fi
}

# the build tree is here
BUILD="$(/bin/pwd)"

# locate the source tree
SOURCE="$(dirname "$0")"
# it could be relative... resolve to absolute
cd "$SOURCE"
SOURCE="$(/bin/pwd)"

# capture the commandline options
userargs=
for word in "$@"; do
    [ -n "$userargs" ] && userargs="${userargs} "
    userargs="${userargs}'$word'"
done

_which()
{
(
# copied from $SOURCE/qtopiacore/qt/config.tests/unix/which.test
HOME=/dev/null
export HOME

unset which

WHICH=`which which 2>/dev/null`
if echo $WHICH | grep 'shell built-in command' >/dev/null 2>&1; then
    WHICH=which
elif [ -z "$WHICH" ]; then
    if which which >/dev/null 2>&1; then
	WHICH=which
    else
	for a in /usr/ucb /usr/bin /bin /usr/local/bin; do
	    if [ -x $a/which ]; then
		WHICH=$a/which
		break;
	    fi
	done
    fi
fi

if [ -z "$WHICH" ]; then
    IFS=:
    for a in $PATH; do
	if [ -x $a/$1 ]; then
	    echo "$a/$1"
	    exit 0
	fi
    done
else
    a=`"$WHICH" "$1" 2>/dev/null`
    if [ ! -z "$a" -a -x "$a" ]; then
	echo "$a"
	exit 0
    fi
fi
exit 1
)
}

# find a make command (export MAKE to override)
if [ -z "$MAKE" ]; then
    MAKE=
    for mk in gmake make; do
        if "_which" $mk >/dev/null 2>&1; then
            MAKE=`_which $mk`
            break
        fi
    done
    if [ -z "$MAKE" ]; then
        echo >&2 "You don't seem to have 'make' or 'gmake' in your PATH."
        echo >&2 "Cannot proceed."
        exit 1
    fi
fi

# write out a new args file (if the user arguments are different to the last run)
mkdir -p "$BUILD/src/build/mkconf"
argsfile="$BUILD/src/build/mkconf/userargs"
writeargs=1
if [ -f "$argsfile" ]; then
    prevargs="$(cat "$argsfile")"
    if [ "$prevargs" = "$userargs" ]; then
        writeargs=0
    fi
fi
if [ "$writeargs" = 1 ]; then
    log "Writing arguments $userargs"
    rm -f "$argsfile"
    echo "$userargs" > "$argsfile"
else
    log "Using the same arguments as last time ($userargs)"
fi

# FIXME should escape all shell/make special characters
escape()
{
    echo "$1" | sed 's/ /\\ /g'
}
SOURCE="$(escape "$SOURCE")"

DEPOT=0
if grep depot "$SOURCE/.configureoptions" >/dev/null 2>&1; then
    DEPOT=1
fi

# start the mkconf process
MAKEARGS="--no-print-directory"
[ "$DEBUG" = 1 ] || MAKEARGS="$MAKEARGS -s"
exec $MAKE $MAKEARGS -C "$BUILD" -f "$SOURCE/src/build/mkconf/configure.mk" "SOURCE=$SOURCE" "DEPOT=$DEPOT"