configure

#!/bin/sh

# This chunk of code handles out-of-tree builds:
#
#     mkdir perl-build
#     cd perl-build
#     ../perl-5.x.y/configure ...
#     make
#
# It does nothing for regular builds and should be removed.
#
# Perl is not meant to be built out-of-tree. All this code
# does is a crude implementation of a git workdir using symlinks.
#
# Avoid relying on this.
# For multiple builds, just unpack the same source several times.

root=${0%/*}

if [ "$root" != "$0" -a ! -f "MANIFEST" ]; then
	echo "No MANIFEST found. Assuming out-of-source build."
	echo "Symlinking source files..."

	if [ ! -f "$root/MANIFEST" ]; then
		echo "No $root/MANIFEST either." >&2
		echo "perl-cross is not deployed properly." >&2
		exit 1
	fi

	(cd "$root" && find -type d) | while read d; do
		dir="${d#./}" # ./foo/bar -> foo/bar

		if [ "$d" = "." ]; then
			dp=""
			back="$root"
		else
			mkdir -p "$dir"
			dp="$dir/"
			up=`echo "$dir" | sed -e 's![^/]\+!..!g'`
			back="$up/$root"
		fi

		(cd "$root/$dir" && find -maxdepth 1 -type f) | while read i; do
			name="${i#./}"
			ln -s "$back/$dp$name" "$dp$name"
		done

		(cd "$root/$dir" && find -maxdepth 1 -type l) | while read i; do
			name="${i#./}"
			ln -s "$back/$dp$name" "$dp$name"
		done
	done

	echo "Symlinking done, proceeding with configure."
fi

cnf/configure "$@"