diff --git a/core/Makefile.am b/core/Makefile.am
new file mode 100644
index 000000000..2d417d05c
--- /dev/null
+++ b/core/Makefile.am
@@ -0,0 +1,91 @@
+AUTOMAKE_OPTIONS = foreign
+EXTRA_DIST = res.rc $(srcdir)/*.h
+SUFFIXES = .c .cpp .rc
+
+SUBDIRS = ac bitmaps posix
+
+bin_PROGRAMS = aegisub
+
+AM_CPPFLAGS = -Iposix -include posix/defines.h
+LDADD = posix/libposix.a
+aegisub_SOURCES = about.cpp \
+	aegisublocale.cpp \
+	ass_dialogue.cpp \
+	ass_entry.cpp \
+	ass_export_filter.cpp \
+	ass_exporter.cpp \
+	ass_file.cpp \
+	ass_override.cpp \
+	ass_style.cpp \
+	ass_style_storage.cpp \
+	ass_time.cpp \
+	audio_box.cpp \
+	audio_display.cpp \
+	audio_karaoke.cpp \
+	audio_player.cpp \
+	audio_player_portaudio.cpp \
+	audio_provider.cpp \
+	audio_provider_hd.cpp \
+	audio_provider_ram.cpp \
+	automation.cpp \
+	automation_filter.cpp \
+	automation_gui.cpp \
+	avisynth_wrap.cpp \
+	base_grid.cpp \
+	colorspace.cpp \
+	dialog_colorpicker.cpp \
+	dialog_export.cpp \
+	dialog_hotkeys.cpp \
+	dialog_jumpto.cpp \
+	dialog_progress.cpp \
+	dialog_properties.cpp \
+	dialog_resample.cpp \
+	dialog_search_replace.cpp \
+	dialog_selection.cpp \
+	dialog_shift_times.cpp \
+	dialog_spellcheck.cpp \
+	dialog_style_editor.cpp \
+	dialog_style_manager.cpp \
+	dialog_styling_assistant.cpp \
+	dialog_timing_processor.cpp \
+	dialog_translation.cpp \
+	drop.cpp \
+	export_clean_info.cpp \
+	export_fixstyle.cpp \
+	export_framerate.cpp \
+	fft.cpp \
+	fonts_collector.cpp \
+	frame_main.cpp \
+	frame_main_events.cpp \
+	hilimod_textctrl.cpp \
+	hotkeys.cpp \
+	main.cpp \
+	mkv_wrap.cpp \
+	options.cpp \
+	splash.cpp \
+	static_bmp.cpp \
+	string_codec.cpp \
+	subs_edit_box.cpp \
+	subs_grid.cpp \
+	subtitle_format.cpp \
+	subtitle_format_ass.cpp \
+	subtitle_format_srt.cpp \
+	subtitle_format_txt.cpp \
+	text_file_reader.cpp \
+	text_file_writer.cpp \
+	timeedit_ctrl.cpp \
+	tip.cpp \
+	toggle_bitmap.cpp \
+	utils.cpp \
+	validators.cpp \
+	variable_data.cpp \
+	vfr.cpp \
+	video_box.cpp \
+	video_display.cpp \
+	video_provider.cpp \
+	video_provider_lavc.cpp \
+	video_slider.cpp \
+	video_zoom.cpp \
+	yatta_wrap.cpp \
+	MatroskaParser.c
+
diff --git a/core/ac/Makefile.am b/core/ac/Makefile.am
new file mode 100644
index 000000000..076b3e741
--- /dev/null
+++ b/core/ac/Makefile.am
@@ -0,0 +1 @@
+extra_DIST=compile config.guess config.sub depcomp install-sh missing mkinstalldirs
diff --git a/core/autogen.sh b/core/autogen.sh
new file mode 100644
index 000000000..36d0bda55
--- /dev/null
+++ b/core/autogen.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+aclocal && autoheader && automake -a && autoconf && echo "'configure' script created successfully."
+
diff --git a/core/bitmaps/Makefile.am b/core/bitmaps/Makefile.am
new file mode 100644
index 000000000..12184412b
--- /dev/null
+++ b/core/bitmaps/Makefile.am
@@ -0,0 +1,14 @@
+EXTRA_DIST = genxpm.sh $(srcdir)/*.bmp $(srcdir)/*.ico
+CLEANFILES = Makefile.bitmaps *.xpm
+
+.PHONY: all-bitmaps
+
+Makefile.bitmaps: $(srcdir)/genxpm.sh $(top_srcdir)/res.rc
+	/bin/sh $^ $(srcdir) >$@
+
+all: all-bitmaps
+
+all-bitmaps: Makefile.bitmaps
+	make -f Makefile.bitmaps all
+
+
diff --git a/core/bitmaps/genxpm.sh b/core/bitmaps/genxpm.sh
new file mode 100644
index 000000000..dbba0d4b3
--- /dev/null
+++ b/core/bitmaps/genxpm.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+
+RESFILE="$1"
+SRCDIR="$2"
+
+cd "$SRCDIR"
+
+cat <<EOF
+all: bmp2xpm wxicon_xpm.xpm
+
+.PHONY: all bmp2xpm
+
+srcdir=${SRCDIR}
+
+wxicon_xpm.xpm: \$(srcdir)/icon.ico
+	convert \$(srcdir)/'icon.ico[2]' wxicon_xpm.xpm
+
+EOF
+
+XPMNAMES=""
+
+for I in *.bmp
+do
+	DNAME="`grep "bitmaps/$I" $RESFILE | cut -d ' ' -f 1`"
+	echo -e "${DNAME}_xpm.xpm: \$(srcdir)/$I
+\tconvert \$(srcdir)/$I ${DNAME}_xpm.xpm
+"
+	XPMNAMES="${XPMNAMES} ${DNAME}_xpm.xpm"
+done
+
+echo "bmp2xpm: $XPMNAMES"
+
diff --git a/core/configure.ac b/core/configure.ac
new file mode 100644
index 000000000..abc384aff
--- /dev/null
+++ b/core/configure.ac
@@ -0,0 +1,123 @@
+AC_PREREQ(2.57)
+AC_INIT(aegisub, 1.10)
+AC_CONFIG_AUX_DIR(ac)
+AM_INIT_AUTOMAKE
+AC_CONFIG_HEADER([posix/acconf.h])
+
+AC_CANONICAL_HOST
+
+AC_DEFUN([AC_C_FLAG], [{
+	AC_LANG_PUSH(C)
+	ac_c_flag_save="$CFLAGS"
+	CFLAGS="$CFLAGS $1"
+	AC_MSG_CHECKING([[whether $CC supports $1]])
+	AC_COMPILE_IFELSE(
+		[AC_LANG_PROGRAM([[]])],
+		[AC_MSG_RESULT([yes])],
+		[
+			CFLAGS="$ac_c_flag_save"
+			AC_MSG_RESULT([no])
+			$2
+		])
+	AC_LANG_POP(C)
+	}])
+AC_DEFUN([AC_CXX_FLAG], [{
+	AC_LANG_PUSH(C++)
+	ac_cxx_flag_save="$CXXFLAGS"
+	CXXFLAGS="$CXXFLAGS $1"
+	AC_MSG_CHECKING([[whether $CXX supports $1]])
+	AC_COMPILE_IFELSE(
+		[AC_LANG_PROGRAM([[]])],
+		[AC_MSG_RESULT([yes])],
+		[
+			CXXFLAGS="$ac_cxx_flag_save"
+			AC_MSG_RESULT([no])
+			$2
+		])
+	AC_LANG_POP(C++)
+	}])
+
+
+# Checks for programs.
+AC_PROG_CC
+AC_PROG_CXX
+AC_PROG_RANLIB
+
+AC_C_FLAG([-pthread])
+AC_CXX_FLAG([-pthread])
+AC_CHECK_LIB([pthread], [pthread_join])
+
+AC_CHECK_HEADERS([wchar.h],,[
+	AC_MSG_FAILURE([aegisub needs wide character support, find a wchar.h])
+])
+PKG_CHECK_MODULES([FREETYPE], freetype2 >= 9.8.3,, [
+	AC_MSG_FAILURE([aegisub needs FreeType2, go install it])
+])
+
+WXCONFIG=wx-config
+AC_ARG_WITH(wx-config,
+	AC_HELP_STRING([--with-wx-config=FILE], [Use specific wx-config script to determine wxWidgets configuration. [[wx-config]]]),
+[
+    if test "$withval" != "yes" -a "$withval" != ""; then
+        WXCONFIG=$withval
+    fi
+])
+AC_MSG_CHECKING([wxWidgets version])
+if wxversion=`$WXCONFIG --version`; then
+    AC_MSG_RESULT([$wxversion])
+else
+    AC_MSG_RESULT([not found])
+    AC_MSG_ERROR([wxWidgets is required. Try --with-wx-config.])
+fi
+
+CXXFLAGS="$CXXFLAGS `$WXCONFIG --cxxflags | sed -e 's/-fno-exceptions//'`"
+LIBS="$LIBS `$WXCONFIG --libs`"
+
+AC_CHECK_LIB([m], [main])
+AC_CHECK_LIB([dl], [dlopen])
+
+AC_CHECK_LIB([lua], [lua_call],, [AC_MSG_ERROR([lua not found.])])
+AC_CHECK_LIB([lualib], [lua_tostring],, [AC_MSG_ERROR([lualib not found.])])
+AC_CHECK_LIB([portaudio], [Pa_Initialize],, [AC_MSG_ERROR([portaudio not found.])])
+AC_CHECK_LIB([avcodec], [avcodec_init],, [AC_MSG_ERROR([libavcodec (ffmpeg) not found.])])
+AC_CHECK_LIB([avformat], [av_frac_init],, [AC_MSG_ERROR([libavformat (ffmpeg) not found or too old.])])
+
+AC_C_CONST
+AC_C_INLINE
+AC_C_VOLATILE
+
+AC_PROG_INSTALL
+
+AC_MSG_CHECKING([[whether preprocessor supports #pragma once]])
+AC_PREPROC_IFELSE(
+	[AC_LANG_PROGRAM([[#pragma once]])],
+	[
+		AC_MSG_RESULT([yes])
+		AC_DEFINE([HAVE_PRAGMA_ONCE], [1], [Preprocessor support for #pragma once])
+	],
+	[AC_MSG_RESULT([no])])
+
+AC_C_FLAG([-Wall])
+AC_C_FLAG([-Wextra],[AC_C_FLAG([-W])])
+AC_C_FLAG([-Wno-unused-parameter])
+AC_C_FLAG([-std=gnu99])
+AC_CXX_FLAG([-Wall])
+AC_CXX_FLAG([-Wextra],[AC_CXX_FLAG([-W])])
+AC_CXX_FLAG([-Wno-unused-parameter])
+AC_CXX_FLAG([-Wno-long-long])
+AC_CXX_FLAG([-std=c++98])
+
+
+AC_PATH_XTRA
+
+AC_HEADER_STDC
+AC_HEADER_STDBOOL
+
+
+AC_OUTPUT([
+	Makefile
+	ac/Makefile
+	posix/Makefile
+	bitmaps/Makefile
+])
+
diff --git a/core/posix/Makefile.am b/core/posix/Makefile.am
new file mode 100644
index 000000000..31986501b
--- /dev/null
+++ b/core/posix/Makefile.am
@@ -0,0 +1,9 @@
+noinst_LIBRARIES = libposix.a
+nodist_libposix_a_SOURCES = res.cpp
+CLEANFILES = res.cpp res.h
+EXTRA_DIST = genres.sh defines.h
+
+res.h: $(srcdir)/genres.sh $(top_srcdir)/res.rc 
+	/bin/sh $^
+res.cpp: res.h
+
diff --git a/core/posix/defines.h b/core/posix/defines.h
new file mode 100644
index 000000000..739422250
--- /dev/null
+++ b/core/posix/defines.h
@@ -0,0 +1,22 @@
+#pragma once
+
+#ifndef _DEFINES_H
+#define _DEFINES_H
+
+#define __AVISYNTH_H__
+#define WX_PRECOMP
+
+#include <stdint.h>
+
+typedef int64_t __int64;
+typedef uint64_t __uint64;
+#define abs64 llabs
+
+#define NO_SPELLCHECKER
+#define NO_FEX
+#define USE_LAVC
+
+#include "res.h"
+
+#endif /* _DEFINES_H */
+
diff --git a/core/posix/genres.sh b/core/posix/genres.sh
new file mode 100644
index 000000000..34a551118
--- /dev/null
+++ b/core/posix/genres.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+RESFILE="$1"
+
+egrep -v "^(#|/|.$)" $RESFILE | cut -d ' ' -f 1 | (
+	echo "#define static" >&4
+	
+	echo "#ifndef _RES_H" >&5
+	echo "#define _RES_H" >&5
+	while read NAME
+	do	echo "extern char *${NAME}_xpm[];" >&5
+		echo "#include \"../bitmaps/${NAME}_xpm.xpm\"" >&4
+	done
+	echo "#endif /* _RES_H */" >&5
+) 4>res.cpp 5>res.h
+