Revamp the build system.

This achieves several goals:

 * Less reliance on scripts so we have better portability to Windows
   (though we still have a ways to go for proper Windows support).
   Luajit, luarocks, moonscript, and busted are all installed via CMake
   now.
 * Trying to make use of pkg-config to get the correct libraries.  The
   latest libuv is still broken in this regard, but we'll at least be in
   a position to use it.
 * Allow the use of Ninja or make.  The former runs faster in many
   environments, and automatically makes use of parallel builds.

This also allows for system installed dependencies--though not through
the Makefile just yet--and adds support for FreeBSD.

This also make us build libuv and luajit as static libraries only, since
we're only concerned about having static libraries for our bundled
dependencies.

scripts/common.sh

@@ -1,65 +0,0 @@
-platform='unknown'
-unameval=`uname`
-if [ "$unameval" = 'Linux' ]; then
-	platform='linux'
-elif [ "$unameval" = 'FreeBSD' ]; then
-	platform='freebsd'
-elif [ "$unameval" = 'Darwin' ]; then
-	platform='darwin'
-fi
-
-sha1sumcmd='sha1sum'
-if [ "$platform" = 'freebsd' ]; then
-	sha1sumcmd='shasum'
-elif [ "$platform" = 'darwin' ]; then
-	sha1sumcmd='shasum'
-fi
-
-pkgroot="$(pwd)"
-deps="$pkgroot/.deps"
-prefix="$deps/usr"
-export PATH="$prefix/bin:$PATH"
-
-download() {
-	local url=$1
-	local tgt=$2
-	local sha1=$3
-
-	if [ ! -d "$tgt" ]; then
-		mkdir -p "$tgt"
-		local download_command=""
-		if which wget > /dev/null 2>&1; then
-			# -O - to send output to stdout
-			download_command="wget --no-verbose $url -O -"
-		elif which curl >/dev/null 2>&1; then
-			# -L to follow the redirects that github will send us
-			# -sS to supress the progress bar, but show errors
-			# curl sends output to stdout by default
-			download_command="curl -L -sS $url"
-		else
-			echo "Missing wget utility and curl utility"
-			exit 1
-		fi
-		local tmp_dir=$(mktemp -d "/tmp/download_sha1check_XXXXXXX")
-		local fifo="$tmp_dir/fifo"
-		mkfifo "$fifo"
-		echo "Downloading $url..."
-		# download, untar and calculate sha1 sum in one pass
-		($download_command | tee "$fifo" | \
-			(cd "$tgt";  tar --strip-components=1 -xzf -)) &
-		local sum=$("$sha1sumcmd" < "$fifo" | cut -d ' ' -f1)
-		rm -rf "$tmp_dir"
-		if [ "$sum" != "$sha1" ]; then
-			echo "SHA1 sum doesn't match, expected '$sha1' got '$sum'"
-			exit 1
-		else
-			echo "Download complete."
-		fi
-	fi
-}
-
-github_download() {
-	local repo=$1
-	local ver=$2
-	download "https://github.com/${repo}/archive/${ver}.tar.gz" "$3" "$4"
-}

scripts/compile-libuv.sh

@@ -1,10 +0,0 @@
-. scripts/common.sh
-
-uv_dir="third-party/libuv"
-
-cd "$uv_dir"
-sh autogen.sh
-./configure --prefix="$prefix" --with-pic
-make
-make install
-rm "$prefix/lib/"libuv*.{so,dylib} "$prefix/lib/"libuv*.{so,dylib}.* || true

scripts/compile-lua.sh

@@ -1,6 +0,0 @@
-. scripts/common.sh
-
-lua_dir="$pkgroot/third-party/luajit"
-
-cd "$lua_dir"
-make PREFIX="$prefix" install

scripts/setup-test-tools.sh

@@ -1,26 +0,0 @@
-. scripts/common.sh
-
-luarocks_ver=v2.1.2
-luarocks_repo=keplerproject/luarocks
-luarocks_sha1=69ea9b641a5066b1f316847494d8c63a4693977d
-luarocks_dir="$pkgroot/third-party/luarocks"
-
-github_download "$luarocks_repo" "$luarocks_ver" "$luarocks_dir" \
-	"$luarocks_sha1"
-
-cd "$luarocks_dir"
-
-./configure --prefix="$prefix" --force-config --with-lua="$prefix" \
-	--with-lua-include="$prefix/include/luajit-2.0" \
-	--lua-suffix="jit"
-
-make bootstrap
-
-echo 'rocks_servers = {
-   "http://luarocks.giga.puc-rio.br/";
-}' >> "$prefix/etc/luarocks/config-5.1.lua"
-
-# install tools for testing
-luarocks install moonrocks --server=http://rocks.moonscript.org
-moonrocks install moonscript
-moonrocks install busted

scripts/travis.sh

@@ -17,6 +17,14 @@ check_and_report() {
 	)
 }
 
+# Travis reports back that it has 32-cores via /proc/cpuinfo, but it's not
+# what we really have available.  According to their documentation, it only has
+# 1.5 virtual cores.
+# See:
+#   http://docs.travis-ci.com/user/speeding-up-the-build/#Paralellizing-your-build-on-one-VM
+# for more information.
+alias make="make -j2"
+
 if [ "$CC" = "clang" ]; then
 	# force using the version installed by 'travis-setup.sh'
 	export CC=/usr/bin/clang
@@ -46,9 +54,8 @@ if [ "$CC" = "clang" ]; then
 	check_and_report
 	make install
 else
-	export BUSTED_OUTPUT_TYPE="TAP"
 	export SKIP_EXEC=1
+	make CMAKE_EXTRA_FLAGS="-DBUSTED_OUTPUT_TYPE=TAP"
 	make cmake
 	make unittest
 fi
-

scripts/unittest.sh

@@ -1,10 +0,0 @@
-. scripts/common.sh
-
-(cd "$pkgroot/build" && make) || exit 1
-eval "$(luarocks path)"
-
-if [ -z "$BUSTED_OUTPUT_TYPE" ]; then
-    export BUSTED_OUTPUT_TYPE="utf_terminal"
-fi
-make -C ./test/includes
-busted --pattern=.moon -o $BUSTED_OUTPUT_TYPE ./test