diff --git a/.gitignore b/.gitignore
index a6a3c1df..a24072d9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@
 # intermediate build output:
 
 *.o
+*.lo
 
 # android build output:
 
@@ -34,24 +35,30 @@ INSTALL
 NEWS
 README
 
+.deps/
+.libs/
+
 Makefile
 Makefile.in
 aclocal.m4
 autom4te.cache/
 config.*
 configure
+depcomp
 install-sh
 libtool
 ltmain.sh
 m4/
 missing
 stamp-h1
+.dirstamp
 
 # libraries
 
 docs/speak_lib.h
 
 libespeak.a
+libespeak.la
 libespeak.so*
 
 # programs
diff --git a/Makefile.am b/Makefile.am
index 631c49e1..2685576d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,15 +1,22 @@
+AUTOMAKE_OPTIONS = subdir-objects
+
 PREFIX=@prefix@
 BINDIR=@bindir@
 INCDIR=@includedir@/espeak
 LIBDIR=@libdir@
 DATADIR=$(PREFIX)/share/espeak-data
 
-PLATFORM=big_endian
+SHARED_VERSION=2:47:1 # = *.so.1.1.47
 
-.PHONY: android all clean distclean espeak-phoneme-data
+MKDIR=mkdir -p
+
+AM_CXXFLAGS = -Wall
 
 EXTRA_DIST=
 
+bin_PROGRAMS =
+lib_LTLIBRARIES =
+
 ##### ChangeLog:
 
 ChangeLog:
@@ -25,24 +32,29 @@ EXTRA_DIST += ChangeLog
 
 all: jni espeakdata apk-release
 
-install:
-	cd src && make DESTDIR=$(DESTDIR) PREFIX=$(PREFIX) BINDIR=$(BINDIR) INCDIR=$(INCDIR) LIBDIR=$(LIBDIR) install && cd ..
-	install -m 755 src/espeakedit $(DESTDIR)$(BINDIR)
+uninstall-hook:
+	rm -rf $(DESTDIR)$(DATADIR)
 
-clean:
+install-data-hook: uninstall-hook
+	$(MKDIR) $(DESTDIR)$(DATADIR)
+	cp -prf espeak-data/* $(DESTDIR)$(DATADIR)
+
+clean-local:
 	cd src && rm -f *.o *~ && cd ..
 	cd android && gradle clean
 
-distclean: clean
-	cd src && rm -f libespeak.a libespeak.so.* speak espeak espeakedit && cd ..
-	cd platforms/$(PLATFORM) && rm -f espeak-phoneme-data && cd ../..
-	rm -rf espeak-data/dictsource espeak-data/phsource espeak-data/phondata-manifest
-	cd espeak-data && rm -f *_dict && cd ..
+distclean-local:
+	rm -rf espeak-data/phondata-manifest
+	rm -f espeak-data/*_dict
 
 check: apk-check
 
 ##### build targets:
 
+libespeak_includedir = $(includedir)/espeak
+libespeak_include_HEADERS = \
+	src/speak_lib.h
+
 common_SOURCE = \
 	src/compiledict.cpp \
 	src/dictionary.cpp \
@@ -67,9 +79,6 @@ libespeak_SOURCE = \
 	src/espeak_command.cpp \
 	src/event.cpp \
 	src/fifo.cpp \
-	src/wave.cpp \
-	src/wave_pulse.cpp \
-	src/wave_sada.cpp \
 	src/debug.cpp
 
 espeakedit_SOURCE = \
@@ -87,38 +96,61 @@ espeakedit_SOURCE = \
 	src/voicedlg.cpp \
 	src/vowelchart.cpp
 
+if AUDIO_RUNTIME
+wave_SOURCE = src/wave.cpp src/wave_pulse.cpp
+wave_LIBS   = -lpulse -lpulse-simple -lportaudio
+wave_FLAGS  = -DUSE_PULSEAUDIO -DUSE_PORTAUDIO
+else
+if AUDIO_PULSEAUDIO
+wave_SOURCE = src/wave_pulse.cpp
+wave_LIBS   = -lpulse
+wave_FLAGS  = -DUSE_PULSEAUDIO
+else
+if AUDIO_PORTAUDIO
+wave_SOURCE = src/wave.cpp
+wave_LIBS   = -lportaudio
+wave_FLAGS  = -DUSE_PORTAUDIO
+else
+if AUDIO_SADA
+wave_SOURCE = wave_sada.cpp
+wave_FLAGS  = -DUSE_SADA
+else
+wave_SOURCE = src/wave.cpp
+endif
+endif
+endif
+endif
+
 docs/speak_lib.h: src/speak_lib.h
 	cp $< $@
 
-src/libespeak.a: $(common_SOURCE) $(libespeak_SOURCE)
-	cd src && make libespeak.a && cd ..
+lib_LTLIBRARIES += src/libespeak.la
 
-src/libespeak.so: $(common_SOURCE) $(libespeak_SOURCE)
-	cd src && make libespeak.so && cd ..
+src_libespeak_la_LDFLAGS  = -version-info $(SHARED_VERSION) $(wave_LIBS) -lpthread
+src_libespeak_la_CXXFLAGS = $(wave_FLAGS) \
+	-fpic -fvisibility=hidden -D LIBRARY \
+	-pedantic -fno-exceptions -D PATH_ESPEAK_DATA=\"$(DATADIR)\"
+src_libespeak_la_SOURCES  = $(common_SOURCE) $(libespeak_SOURCE) $(wave_SOURCE)
 
-src/speak: $(common_SOURCE) src/speak.cpp
-	cd src && make speak && cd ..
+bin_PROGRAMS += src/speak
 
-src/espeak: src/libespeak.so src/espeak.cpp
-	cd src && make espeak && cd ..
+src_speak_LDFLAGS  = $(wave_LIBS) -lpthread
+src_speak_CXXFLAGS = $(wave_FLAGS)
+src_speak_SOURCES  = src/speak.cpp $(common_SOURCE) $(wave_SOURCE)
 
-src/espeakedit: $(common_SOURCE) $(libespeak_SOURCE) $(espeakedit_SOURCE)
-	cd src && make espeakedit && cd ..
+bin_PROGRAMS += src/espeak
 
-espeak-phoneme-data:
-	cd platforms/$(PLATFORM) && make PREFIX=$(PREFIX) && cd ../..
+src_espeak_LDADD   = src/libespeak.la
+src_espeak_SOURCES = src/espeak.cpp
 
-espeak-data/dictsource/dir.stamp: dictsource/*
-	rm -rf espeak-data/dictsource
-	./shadowdir $(PWD)/dictsource $(PWD)/espeak-data/dictsource
-	touch espeak-data/dictsource/dir.stamp
+bin_PROGRAMS += src/espeakedit
 
-espeak-data/phsource/dir.stamp: phsource/ph_* phsource/phonemes phsource/intonation
-	rm -rf espeak-data/phsource
-	./shadowdir $(PWD)/phsource $(PWD)/espeak-data/phsource
-	touch espeak-data/phsource/dir.stamp
+src_espeakedit_LDFLAGS  = $(wave_LIBS) ${WX_LIBS}
+src_espeakedit_CXXFLAGS = ${WX_CXXFLAGS} $(wave_FLAGS) \
+	-D_LARGEFILE_SOURCE=1 -DNO_GCC_PRAGMA -D_ESPEAKEDIT
+src_espeakedit_SOURCES  = $(common_SOURCE) $(libespeak_SOURCE) $(espeakedit_SOURCE) $(wave_SOURCE)
 
-espeak-data/phontab: src/espeakedit espeak-data/dictsource/dir.stamp espeak-data/phsource/dir.stamp
+espeak-data/phontab: src/espeakedit
 	ESPEAK_DATA_PATH=$(PWD) src/espeakedit --compile
 
 ##### android targets:
diff --git a/README.md b/README.md
index 1444b061..77ccd151 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,15 @@
 # Android Port of eSpeak Text-to-Speech
 
+- [Prerequisites](#prerequisites)
+- [Building with Gradle](#building-with-gradle)
+- [Building with Eclipse](#building-with-eclipse)
+- [Building with Ant](#building-with-ant)
+- [Signing the APK](#signing-the-apk)
+- [Installing the APK](#installing-the-apk)
+- [Enabling eSpeak on the Device](#enabling-espeak-on-the-device)
+
+----------
+
 This branch contains the files needed to build espeak on the android platform.
 It is derived from the eyes-free project.
 
diff --git a/configure.ac b/configure.ac
index a99dc070..73c92e62 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.63])
-AC_INIT([eSpeak], [1.46], [https://github.com/rhdunn/espeak/issues], [espeak], [https://github.com/rhdunn/espeak])
+AC_INIT([eSpeak], [1.47], [https://github.com/rhdunn/espeak/issues], [espeak], [https://github.com/rhdunn/espeak])
 AM_INIT_AUTOMAKE()
 
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES])
@@ -91,6 +91,16 @@ dnl ================================================================
 dnl Audio checks.
 dnl ================================================================
 
+AC_ARG_WITH([sada],
+    [AS_HELP_STRING([--with-sada], [use the Solaris SADA audio API @<:@default=no@:>@])],
+    [])
+
+if test "$with_sada" = "yes" ; then
+	have_sada=yes
+else
+	have_sada=no
+fi
+
 if test "$have_portaudio" = 18 -o "$have_portaudio" = 19 ; then
     if test "$have_pulseaudio" = yes ; then
         PKG_CHECK_MODULES(PULSEAUDIO_SIMPLE, [libpulse-simple >= 0.9],
@@ -106,6 +116,8 @@ if test "$have_portaudio" = 18 -o "$have_portaudio" = 19 ; then
     fi
 elif test "$have_pulseaudio" = yes ; then
     AUDIO=pulseaudio
+elif test "$have_sada" = yes ; then
+    AUDIO=sada
 else
     AUDIO=disabled
 fi
@@ -115,8 +127,6 @@ AC_SUBST(AUDIO)
 AM_CONDITIONAL(AUDIO_RUNTIME,    [test x"$AUDIO" = xruntime])
 AM_CONDITIONAL(AUDIO_PULSEAUDIO, [test x"$AUDIO" = xpulseaudio])
 AM_CONDITIONAL(AUDIO_PORTAUDIO,  [test x"$AUDIO" = xportaudio])
-AM_CONDITIONAL(AUDIO_PORTAUDIO0, [test x"$AUDIO" = xportaudio0])
-AM_CONDITIONAL(AUDIO_PORTAUDIO2, [test x"$AUDIO" = xportaudio2])
 AM_CONDITIONAL(AUDIO_SADA,       [test x"$AUDIO" = xsada])
 
 dnl ================================================================
@@ -139,7 +149,7 @@ dnl ================================================================
 dnl Generate output.
 dnl ================================================================
 
-AC_CONFIG_FILES([Makefile src/Makefile])
+AC_CONFIG_FILES([Makefile])
 AC_OUTPUT
 
 AC_MSG_NOTICE([
@@ -154,5 +164,6 @@ AC_MSG_NOTICE([
         wxWidgets:                     ${WX_VERSION}
 	pulseaudio:                    ${have_pulseaudio}
 	portaudio:                     ${have_portaudio}
+	sada:                          ${have_sada}
 	audio configuration:           ${AUDIO}
 ])
diff --git a/shadowdir b/shadowdir
deleted file mode 100755
index 4620b675..00000000
--- a/shadowdir
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/usr/bin/python
-#
-# Copyright (C) 2011 Reece H. Dunn
-# Licence: GPLv3
-#
-# A script for shadowing a directory tree to another (equivalent to lndir).
-
-import sys
-import os
-
-def shadow(src, dst):
-	if not os.path.exists(dst):
-		os.makedirs(dst)
-	for fn in os.listdir(src):
-		srcpath = os.path.join(src, fn)
-		dstpath = os.path.join(dst, fn)
-		if os.path.isdir(srcpath):
-			shadow(srcpath, dstpath)
-		else:
-			os.symlink(srcpath, dstpath)
-
-shadow(sys.argv[1], sys.argv[2])
diff --git a/src/Makefile.am b/src/Makefile.am
deleted file mode 100644
index 5d725e11..00000000
--- a/src/Makefile.am
+++ /dev/null
@@ -1,150 +0,0 @@
-PREFIX=@prefix@
-BINDIR=@bindir@
-INCDIR=@includedir@/espeak
-LIBDIR=@libdir@
-DATADIR=${PREFIX}/share/espeak-data
-
-# remove -fno-exceptions  if it causes problems with stdio library on some platforms (ARM)
-
-RELEASE = 1.47
-SPEAK = speak
-ESPEAK = espeak
-ESPEAKEDIT = espeakedit
-LIBESPEAK = libespeak.so
-STATIC_LIBESPEAK = libespeak.a
-LIB_VERSION = 1
-LIBTAG = $(LIB_VERSION).$(RELEASE)
-
-# Use SONAME_OPT=-Wl,h, on Solaris
-SONAME_OPT=-Wl,-soname,
-
-# Use EXTRA_LIBS=-lm on Solaris
-EXTRA_LIBS =
-
-INSTALL = install
-LN_SF = /bin/ln -sf
-MKDIR = mkdir -p
-
-# AUDIO='runtime' uses pulseaudio if it is running, else uses portaudio
-
-if AUDIO_RUNTIME
-WAVE=wave.cpp wave_pulse.cpp
-LIB_AUDIO=-lpulse -lpulse-simple -lportaudio
-USE_AUDIO=-DUSE_PULSEAUDIO -DUSE_PORTAUDIO
-else
-if AUDIO_PULSEAUDIO
-WAVE=wave_pulse.cpp
-LIB_AUDIO=-lpulse
-USE_AUDIO=-DUSE_PULSEAUDIO
-else
-if AUDIO_PORTAUDIO
-WAVE=wave.cpp
-LIB_AUDIO=-lportaudio
-USE_AUDIO=-DUSE_PORTAUDIO
-else
-if AUDIO_PORTAUDIO0
-WAVE=wave.cpp
-LIB_AUDIO=/usr/lib/libportaudio.so.0
-USE_AUDIO=-DUSE_PORTAUDIO
-else
-if AUDIO_PORTAUDIO2
-WAVE=wave.cpp
-LIB_AUDIO=/usr/lib/libportaudio.so.2
-USE_AUDIO=-DUSE_PORTAUDIO
-else
-if AUDIO_SADA
-WAVE=wave_sada.cpp
-USE_AUDIO=-DUSE_SADA
-else
-WAVE=wave.cpp
-endif
-endif
-endif
-endif
-endif
-endif
-
-CXXFLAGS ?= -O2 -Wall
-CPPFLAGS  = -pedantic -fno-exceptions -D PATH_ESPEAK_DATA=\"$(DATADIR)\"
-
-.cpp.o:
-	$(CXX) -c $(CXXFLAGS) $(USE_AUDIO) -I. $(CPPFLAGS) $<
-
-e_%.o: %.cpp
-	$(CXX) -c $(CXXFLAGS) $(espeakedit_CXXFLAGS) $(USE_AUDIO) $(CPPFLAGS) -I. $< -o e_$*.o
-
-x_%.o: %.cpp
-	$(CXX) -c $(CXXFLAGS) $(USE_AUDIO) -fpic -fvisibility=hidden \
-	-I. -D LIBRARY $(CPPFLAGS) $< -o x_$*.o
-
-all: $(SPEAK) $(LIBESPEAK) $(STATIC_LIBESPEAK) $(ESPEAK) $(ESPEAKEDIT)
-
-common_SOURCE = compiledict.cpp dictionary.cpp intonation.cpp \
-	klatt.cpp mbrowrap.cpp numbers.cpp readclause.cpp \
-	phonemelist.cpp setlengths.cpp sonic.cpp \
-	synthdata.cpp synthesize.cpp synth_mbrola.cpp \
-	translate.cpp tr_languages.cpp voices.cpp wavegen.cpp 
-
-speak_SOURCE = speak.cpp $(common_SOURCE)
-speak_OBJS = ${speak_SOURCE:%.cpp=%.o}
-speak_LIBS = -lstdc++ $(LIB_AUDIO) -lpthread $(EXTRA_LIBS)
-$(SPEAK): $(speak_OBJS)
-	$(CXX) $(LDFLAGS) -o $@ $(speak_OBJS) $(speak_LIBS)
-
-espeak_SOURCE = espeak.cpp
-espeak_OBJS = ${espeak_SOURCE:%.cpp=%.o}
-espeak_LIBS = -lstdc++ -L . -lespeak
-$(ESPEAK): $(espeak_OBJS) $(LIB_NAME)
-	$(CXX) $(LDFLAGS) -o $@ $(espeak_OBJS) $(espeak_LIBS)
-
-libespeak_SOURCE = speak_lib.cpp $(common_SOURCE) \
-	espeak_command.cpp event.cpp fifo.cpp $(WAVE) debug.cpp
-libespeak_OBJS = ${libespeak_SOURCE:%.cpp=x_%.o}
-libespeak_LIBS = -lstdc++ $(LIB_AUDIO) -lpthread
-$(LIBESPEAK): $(libespeak_OBJS)
-	$(CXX) $(LDFLAGS) -shared $(SONAME_OPT)$(LIBESPEAK).$(LIB_VERSION) -o $@ \
-	$(libespeak_OBJS) $(libespeak_LIBS)
-	mv $(LIBESPEAK) $(LIBESPEAK).$(LIBTAG)
-	$(LN_SF) $(LIBESPEAK).$(LIBTAG) $(LIBESPEAK).$(LIB_VERSION)
-	$(LN_SF) $(LIBESPEAK).$(LIB_VERSION) $(LIBESPEAK)
-
-$(STATIC_LIBESPEAK): $(libespeak_OBJS)
-	$(AR) cqs $(STATIC_LIBESPEAK) $(libespeak_OBJS)
-
-
-espeakedit_SOURCE = $(common_SOURCE) compiledata.cpp debug.cpp espeakedit.cpp \
-	event.cpp extras.cpp fifo.cpp formantdlg.cpp \
-	menus.cpp options.cpp prosodydisplay.cpp \
-	espeak_command.cpp speak_lib.cpp spect.cpp \
-	spectdisplay.cpp spectseq.cpp \
-	transldlg.cpp voicedlg.cpp vowelchart.cpp $(WAVE)
-espeakedit_OBJS=${espeakedit_SOURCE:%.cpp=e_%.o}
-espeakedit_LIBS=-lstdc++ $(LIB_AUDIO)
-espeakedit_CXXFLAGS = ${WX_CXXFLAGS} -D_LARGEFILE_SOURCE=1 -DNO_GCC_PRAGMA -D_ESPEAKEDIT
-$(ESPEAKEDIT): $(espeakedit_OBJS)
-	$(CXX) $(LDFLAGS) -o $@ $(espeakedit_OBJS) $(espeakedit_LIBS) ${WX_LIBS}
-
-clean:
-	rm -f *.o *.a *~
-
-distclean: clean
-	rm -f $(SPEAK)
-	rm -f $(ESPEAK)
-	rm -f $(LIBESPEAK)*
-	rm -f $(STATIC_LIBESPEAK)
-	rm -f $(ESPEAKEDIT)
-
-install:
-	rm -rf $(DESTDIR)$(DATADIR)
-	$(MKDIR) $(DESTDIR)$(BINDIR)
-	$(MKDIR) $(DESTDIR)$(LIBDIR)
-	$(MKDIR) $(DESTDIR)$(INCDIR)
-	$(MKDIR) $(DESTDIR)$(DATADIR)
-	$(INSTALL) -m 755 $(ESPEAK) $(DESTDIR)$(BINDIR)
-	$(INSTALL) -m 755 $(LIBESPEAK).$(LIBTAG) $(DESTDIR)$(LIBDIR)
-	$(INSTALL) -m 755 $(STATIC_LIBESPEAK) $(DESTDIR)$(LIBDIR)
-	$(LN_SF) $(LIBESPEAK).$(LIBTAG) $(DESTDIR)$(LIBDIR)/$(LIBESPEAK).$(LIB_VERSION)
-	$(LN_SF) $(LIBESPEAK).$(LIB_VERSION) $(DESTDIR)$(LIBDIR)/$(LIBESPEAK)
-	$(INSTALL) -pm 644 speak_lib.h $(DESTDIR)$(INCDIR)
-	cp -prf ../espeak-data/* $(DESTDIR)$(DATADIR)
-
diff --git a/src/options.cpp b/src/options.cpp
index 5e3fe32a..2aa0e5ed 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -167,12 +167,12 @@ void ConfigInit(bool use_defaults)
 	basedir = wxString(path_base,wxConvLocal);  // this is only used to set defaults for other paths if they are not in the config file
 	if (use_defaults)
 	{
-		path_spectload = basedir + _T("/phsource");
-		path_spectload2 = basedir + _T("/phsource");
+		path_spectload = basedir + _T("/../phsource");
+		path_spectload2 = basedir + _T("/../phsource");
 		path_pitches = basedir + _T("/pitch");
-		path_phsource = basedir + _T("/phsource");
+		path_phsource = basedir + _T("/../phsource");
 		path_phfile = path_phsource + _T("/phonemes");
-		path_dictsource = basedir + _T("/dictsource");
+		path_dictsource = basedir + _T("/../dictsource");
 		path_modifiervoice = basedir;
 		path_dir1 = basedir;
 	}