Attempt to download missing submodules as workaround for githubs lack…

… of support for submodules in tarballs.

autogen.sh

@@ -1,14 +1,40 @@
 #!/bin/sh
 
+SETCOLOR_WARN="echo -en \\033[1;33m"
+SETCOLOR_FAILURE="echo -en \\033[1;31m"
+SETCOLOR_NORMAL="echo -en \\033[0;39m"
+
 echo 'Generating necessary files...'
 libtoolize --automake
 aclocal
 autoheader -Wall
 automake --gnu --add-missing -Wall
 autoconf
 
-cd lib/waveform
-./autogen.sh
+# github does not support tarballs with submodules. This is a workaround
+if [ ! -f lib/waveform/autogen.sh ]; then
+	${SETCOLOR_WARN}
+	echo "libwaveform submodule missing"
+	${SETCOLOR_NORMAL}
+	if [ ! -d .git ]; then
+		echo "attempting to download libwaveform ..."
+		dir=`pwd`
+		cd lib/waveform && git clone https://github.com/ayyi/libwaveform.git || exit 1
+		if [ ! -f libwaveform/autogen.sh ]; then
+			${SETCOLOR_FAILURE}
+			echo "failed to download libwaveform submodule"
+			${SETCOLOR_NORMAL}
+			exit 1
+		fi
+		mv libwaveform/* libwaveform/.git . && rmdir libwaveform
+		cd "$dir"
+	else
+		exit 1
+	fi
+fi
+
+cd lib/waveform &&
+./autogen.sh &&
 cd ../..
 
 #test -n "$NOCONFIGURE" || "$srcdir/configure" --enable-maintainer-mode "$@"

configure.ac

@@ -5,6 +5,7 @@ AC_CONFIG_HEADER([config.h])
 AC_CANONICAL_HOST
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE
+AM_PROG_AR
 
 # LT_REVISION=1