Convert the build system to non-recursive make

Speeds up a no-op build from 500ms to 60ms and significantly improves dependency tracking.
2014-06-16 18:22:06 -07:00 · 2014-06-16 18:22:06 -07:00 · 68eaab0f43
commit 68eaab0f43
parent cb71a3d05d
33 changed files with 536 additions and 845 deletions
--- a/27
+++ b/27
@ -1,17 +1,4 @@
-include Makefile.inc
-
-SUBDIRS += \
-	packages/desktop \
-	vendor/luajit \
-	vendor/universalchardet \
-	vendor/luabins \
-	libaegisub \
-	tools \
-	src \
-	automation \
-	po
-
-all: ;
+include header.mk

 ifeq (yes, $(BUILD_DARWIN))
 osx-bundle:
@ -22,16 +9,4 @@ osx-dmg: osx-bundle
 	$(BIN_SHELL) tools/osx-dmg.sh "$(BUILD_VERSION_STRING)"
 endif

-DISTCLEANFILES += \
-	acconf.h \
-	configure \
-	acconf.h.in~ \
-	build/git_version.h \
-	Makefile.inc \
-	config.log \
-	acconf.h.in \
-	config.status \
-	autom4te.cache \
-	aclocal.m4 \
-
 include Makefile.target
--- a/Makefile.inc.in
+++ b/Makefile.inc.in
@ -9,13 +9,16 @@ HAVE_PORTAUDIO  = @with_portaudio@
 HAVE_FFMS2      = @with_ffms2@
 HAVE_LIBPULSE   = @with_libpulse@

+##############
+# BUILD OUTPUT
+##############
+PROGRAM := $(PROGRAM)
+LIB := $(LIB)
+
 ###################
 # PLATFORM SETTINGS
 ###################
-BUILD_BSD     = @build_bsd@
 BUILD_DARWIN  = @build_darwin@
-BUILD_DEFAULT = @build_default@
-BUILD_LINUX   = @build_linux@

 #######
 # FLAGS
@ -23,7 +26,7 @@ BUILD_LINUX   = @build_linux@
 CFLAGS              = @CFLAGS@
 CXXFLAGS            = @CXXFLAGS@
 CPPFLAGS            = @CPPFLAGS@
-CFLAGS_DEP          = -MD -MP
+CFLAGS_DEP          = -MMD -MP
 LIBS                = @LIBS@
 LDFLAGS             = @LDFLAGS@
 INSTALL_FLAGS       = -m 664
@ -36,27 +39,18 @@ LIB_SHARED_LINK_OSX = -dynamiclib -Wl,-undefined -Wl,dynamic_lookup -compatibili
 AEGISUB_COMMAND      = @AEGISUB_COMMAND@
 AEGISUB_CATALOG      = @AEGISUB_CATALOG@
 BUILD_DATE           = @BUILD_DATE@
-PACKAGE_TARNAME      = aegisub-@BUILD_GIT_VERSION_STRING@
-PACKAGE_DEBUG        = @PACKAGE_DEBUG@
 BUILD_VERSION_STRING = @BUILD_GIT_VERSION_STRING@

 #######
 # PATHS
 #######
-P_PREFIX      = @prefix@
 prefix        = ${P_PREFIX}
-P_PREFIX_EXEC = @exec_prefix@
 exec_prefix   = ${P_PREFIX_EXEC}
-P_BINDIR      = @bindir@
-P_SBINDIR     = @sbindir@
-P_LIBEXEC     = @libexecdir@
-P_DATAROOT    = @datarootdir@
 datarootdir   = ${P_DATAROOT}
-P_SYSCONF     = @sysconfdir@
-P_SHAREDSTATE = @sharedstatedir@
-P_LOCALSTATE  = @localstatedir@
-P_INCLUDE     = @includedir@
-P_LIB         = @libdir@
+P_PREFIX      = @prefix@
+P_PREFIX_EXEC = @exec_prefix@
+P_BINDIR      = @bindir@
+P_DATAROOT    = @datarootdir@
 P_LOCALE      = @localedir@

 P_DESKTOP     = @P_DESKTOP@
@ -83,14 +77,13 @@ CFLAGS_HUNSPELL    = @HUNSPELL_CFLAGS@
 CFLAGS_ICONV       = @ICONV_CFLAGS@
 CFLAGS_ICU         = @ICU_I18N_CFLAGS@
 CFLAGS_LIBASS      = @LIBASS_CFLAGS@
-CFLAGS_LIBCURL     = @LIBCURL_CFLAGS@
 CFLAGS_LIBPULSE    = @LIBPULSE_CFLAGS@
-CFLAGS_LUA         = -I../vendor/luajit/include
+CFLAGS_LUA         = -I$(TOP)vendor/luajit/include
 CFLAGS_OPENAL      = @OPENAL_CFLAGS@
 CFLAGS_OSS         = @OSS_CFLAGS@
 CFLAGS_PORTAUDIO   = @PORTAUDIO_CFLAGS@
 CFLAGS_PTHREAD     = @PTHREAD_CFLAGS@
-CFLAGS_UCHARDET    = -I../vendor/universalchardet
+CFLAGS_UCHARDET    = -I$(TOP)vendor/universalchardet

 LIBS_ALSA          = @ALSA_LIBS@
 LIBS_FFMS2         = @FFMS2_LIBS@
@ -102,23 +95,20 @@ LIBS_HUNSPELL      = @HUNSPELL_LIBS@
 LIBS_ICONV         = @ICONV_LIBS@
 LIBS_ICU           = @ICU_UC_LIBS@ @ICU_I18N_LIBS@
 LIBS_LIBASS        = @LIBASS_LIBS@
-LIBS_LIBCURL       = @LIBCURL_LIBS@
 LIBS_LIBPULSE      = @LIBPULSE_LIBS@
-LIBS_LUA           = ../vendor/luajit/src/libluajit.a
+LIBS_LUA           = $(TOP)vendor/luajit/src/libluajit.a
 LIBS_OPENAL        = @OPENAL_LIBS@
 LIBS_PORTAUDIO     = @PORTAUDIO_LIBS@
 LIBS_PTHREAD       = @PTHREAD_LIBS@
-LIBS_UCHARDET     ?= ../vendor/universalchardet/libuniversalchardet.a

 ifeq (yes, $(BUILD_DARWIN))
-LIBS_LUA           = ../vendor/luajit/src/libluajit-aegisub.so
+LIBS_LUA           = $(TOP)vendor/luajit/src/libluajit-aegisub.so
 endif

 #####################
 # DEBUG / DEVELOPMENT
 #####################
 PRECOMPILED_HEADER = @enable_gcc_prec@
-ENABLE_REPORTER    = @ENABLE_REPORTER@

 ##########
 # BINARIES
@ -141,6 +131,4 @@ BIN_MKDIR    = mkdir
 BIN_MKDIR_P  = mkdir -p
 BIN_ECHO     = echo
 BIN_TOUCH    = touch
-BIN_TAR      = tar
-BIN_GZIP     = gzip
 BIN_WX_CONFIG = @WX_CONFIG_PATH@
--- a/Makefile.target
+++ b/Makefile.target
@ -1,23 +1,9 @@
-#  *** THERE ARE NO USER-EDITABLE ITEMS HERE. ***
-#
-# TODO:
-#       * Allow variables to be overridden on the CL.
-
-.PHONY: all install clean subdirs $(SUBDIRS)
-all: subdirs $(PROGRAM)
+ifneq (yes, $(INCLUDING_CHILD_MAKEFILES))
+COMMANDS := all install clean distclean test depclean osx-bundle osx-dmg
+.PHONY: $(COMMANDS)
 .DEFAULT_GOAL := all

-ifneq (no, $(BUILD_LIB))
-all: $(LIB) $(LIB_SHARED)
-endif
-
-OBJ		= $(addsuffix .o, $(basename $(SRC)))
-DEP		= $(addsuffix .d, $(basename $(SRC)))
-
-###################
-# PLATFORM SPECIFIC
-###################
-
+# Would be nice to move this somewhere else (Makefile.inc?)
 ifeq (yes, $(BUILD_DARWIN))
 CFLAGS += -mmacosx-version-min=10.7 -gfull
 CXXFLAGS += -mmacosx-version-min=10.7 -gfull
@ -25,161 +11,111 @@ LDFLAGS += -mmacosx-version-min=10.7 -Wl,-dead_strip -pagezero_size 10000 -image
 LIB_SHARED_LINK = $(LIB_SHARED_LINK_OSX)
 endif

+LIB_TARGETS := $(addprefix $(TOP)lib/,$(LIB:%=lib%.a))

-###########
-# LIBRARIES
-###########
-$(LIB) : $(OBJ)
-	$(BIN_AR) cru $@ $(OBJ)
-	$(BIN_RANLIB) $@
+# Handle per-target flags in the form foo_CFLAGS := -w by mapping them to all
+# of the objects a target depends on. This has potentially dumb results if
+# multiple targets use a single object file, so don't do that.
+define set_target_flags
+  OBJ += $($1_OBJ)

-ifdef LIB_SHARED
-LIB_SHARED_FULL = $(LIB_SHARED).$(LIB_VERSION)
-$(LIB_SHARED) : $(OBJ)
-	$(BIN_CXX) $(LIB_SHARED_LINK) $(LDFLAGS) $(OBJ) $(LIBS) -o $(LIB_SHARED_FULL)
-	$(BIN_LN) -sf $(LIB_SHARED_FULL) $(LIB_SHARED)
+  $($1_OBJ): CPPFLAGS := $(CPPFLAGS) $($1_CPPFLAGS)
+  $($1_OBJ): CXXFLAGS := $(CXXFLAGS) $($1_CXXFLAGS)
+  $($1_OBJ): OBJCXXFLAGS := $(CXXFLAGS) $($1_CXXFLAGS)

-CLEANFILES+= $(LIB_SHARED_FULL)
+  ifeq (yes, $(PRECOMPILED_HEADER))
+    ifdef $1_PCH
+      CLEANFILES += $($1_PCH).gch
+      $($1_OBJ): CXXFLAGS += -include $($1_PCH) $(PCHFLAGS)
+      $($1_OBJ): $($1_PCH).gch
+      $($1_PCH).gch: $($1_PCH)
+      $($1_PCH).gch: CPPFLAGS := $(CPPFLAGS) $($1_CPPFLAGS)
+      $($1_PCH).gch: CXXFLAGS := $(CXXFLAGS) $($1_CXXFLAGS)
+    else
+      $($1_OBJ): CXXFLAGS += -include acconf.h
+    endif
+  else
+    $($1_OBJ): CXXFLAGS += -include acconf.h
+  endif
+endef
+$(foreach target,$(LIB),$(eval $(call set_target_flags,$(target),$(TOP)lib/lib$(target).a)))
+$(foreach target,$(PROGRAM),$(eval $(call set_target_flags,$(notdir $(target)),$(target))))
+
+# Create the build and install targets for programs
+# Not done with a pattern rule since the pattern would be just %: and doing that
+# leads to make trying to use gcc to make any nonexistent targets rather than
+# erroring
+define create_program_targets
+  ifdef $1_INSTALLNAME
+install: $(DESTDIR)$(P_BINDIR)/$($1_INSTALLNAME)
+$(DESTDIR)$(P_BINDIR)/$($1_INSTALLNAME): $(dir $2)$($1_INSTALLNAME)
+	@$(BIN_MKDIR) -p $(DESTDIR)$(P_BINDIR)
+	@$(BIN_INSTALL) $(dir $2)$($1_INSTALLNAME) $(DESTDIR)$(P_BINDIR)/$($1_INSTALLNAME)
+$(dir $2)$($1_INSTALLNAME): $($1_OBJ)
+	$(BIN_CXX) -o $(dir $2)$($1_INSTALLNAME) $(LDFLAGS) $($1_OBJ) $(LIBS) $($1_LIBS)
+all: $(dir $2)$($1_INSTALLNAME)
+  else
+$2: $($1_OBJ)
+	$(BIN_CXX) -o $2 $(LDFLAGS) $($1_OBJ) $(LIBS) $($1_LIBS)
+all: $2
+  endif
+  $(eval CLEANFILES += $(filter-out %/,$2 $(dir $2)$($1_INSTALLNAME)))
+endef
+$(foreach target,$(PROGRAM),$(eval $(call create_program_targets,$(notdir $(target)),$(target))))
+
+# The dependency files which will be automatically generated by gcc.
+# The filter is due to that libraries also appear in OBJ
+DEP := $(filter %.d,$(OBJ:%.o=%.d))
+
+# If the goal is a relative path to a file, convert it to an absolute path
+ifneq ($(filter-out $(COMMANDS),$(MAKECMDGOALS)),)
+ABSGOAL := $(abspath $(MAKECMDGOALS))
+ifneq ($(MAKECMDGOALS),$(ABSGOAL))
+$(MAKECMDGOALS): $(ABSGOAL)	;
+endif
 endif

-##########
-# PROGRAMS
-##########
-$(PROGRAM): $(OBJ)
-	$(BIN_CXX) -o $@ $(LDFLAGS) $(OBJ) $(LIBS)
+# Primary build targets
+all: $(LIB_TARGETS)

-##########
-# CLEANING
-##########
-clean: $(SUBDIRS)
-	$(BIN_RM) -f $(OBJ) $(CLEANFILES) $(LIB) $(LIB_SHARED) $(PROGRAM)
-ifdef PRECOMPILED_HEADER_NAME
-	$(BIN_RM) -f $(PRECOMPILED_HEADER_NAME).gch
-endif
-
-mostlyclean: $(SUBDIRS)
-	$(BIN_RM) -f $(OBJ) $(CLEANFILES) $(LIB) $(LIB_SHARED) $(PROGRAM)
+clean:
+	$(BIN_RM) -f $(OBJ) $(CLEANFILES) $(LIB_TARGETS)

 distclean: clean
 	$(BIN_RM) -rf $(DISTCLEANFILES) $(DEP)
-ifdef PRECOMPILED_HEADER_NAME
-	$(BIN_RM) -f $(PRECOMPILED_HEADER_NAME).gch
-endif

+depclean: clean
+	$(BIN_RM) -rf $(DEP)

-#########
-# INSTALL
-#########
-ifeq (install, $(MAKECMDGOALS))
-INSTALL_LIB=$(addprefix $(P_LIB)/, $(LIB_SHARED) $(LIB_SHARED_FULL))
-endif
+install:

-BIN_SINSTALL=$(BIN_INSTALL)
-
-install: $(SUBDIRS) install-share install-program install-lib
-
-install-strip:
-	$(MAKE) BIN_SINSTALL='$(BIN_INSTALL) -s' install
-
-install-program:
-ifdef PROGRAM_INSTALL
-	@$(BIN_MKDIR) -p $(DESTDIR)$(P_BINDIR)
-	@$(BIN_SINSTALL) $(PROGRAM) $(DESTDIR)$(P_BINDIR)/$(PROGRAM)
-endif
-
-install-lib:
-ifdef LIB_SHARED_INSTALL
-	$(BIN_MKDIR) -p $(DESTDIR)$(P_LIB)
-	$(BIN_SINSTALL) $(LIB_SHARED_FULL) $(DESTDIR)$(P_LIB)/$(LIB_SHARED_FULL)
-	$(BIN_LN) -sf $(LIB_SHARED_FULL) $(DESTDIR)$(P_LIB)/$(LIB_SHARED)
-endif
-
-install-share:
-ifdef DATA_SHARE
-	@$(BIN_MKDIR) -p $(addprefix $(DESTDIR)$(P_DATA)/, $(dir $(DATA_SHARE)))
-	@for i in $(DATA_SHARE); do \
-		$(BIN_ECHO) "$(BIN_INSTALL) $$i $(DESTDIR)$(P_DATA)/$$i"; \
-		$(BIN_INSTALL) $$i $(DESTDIR)$(P_DATA)/$$i; \
-	done
-endif
-ifdef DATA_SHARE_DOC
-	@$(BIN_MKDIR) -p $(addprefix $(DESTDIR)$(P_DOC)/, $(dir $(DATA_SHARE_DOC)))
-	@for i in $(DATA_SHARE_DOC); do \
-		$(BIN_ECHO) "$(BIN_INSTALL) $$i $(DESTDIR)$(P_DOC)/$$i"; \
-		$(BIN_INSTALL) $$i $(DESTDIR)$(P_DOC)/$$i; \
-	done
-endif
-
-########################
-# SUBDIRECTORY TRAVERSAL
-########################
-subdirs: $(SUBDIRS)
-
-$(SUBDIRS):
-	$(MAKE) -C $@ $(MAKECMDGOALS)
-
-# Set relations to ensure dependencies are built before their targets during parallel builds.
-automation: libaegisub vendor/luajit
-src: vendor/universalchardet vendor/luajit tools libaegisub
-tests: libaegisub
-tools: libaegisub
-
-$(OBJ): $(GLOBAL_DEPS)
-
-OBJCXXFLAGS := $(CXXFLAGS)
-
-####################
-# PRECOMPILED HEADER
-####################
-ifdef PRECOMPILED_HEADER_NAME
-  ifeq (yes, $(PRECOMPILED_HEADER))
-    CXXFLAGS += -include $(PRECOMPILED_HEADER_NAME) $(PCHFLAGS)
-    # This hack is required until we can use the 'private' keyword (gmake 3.82) to avoid all the
-    # per-object CXXFLAGS being triggered by the ($OBJ) line.
-    CXXFLAGS_GNU_MAKE_SUCKS := $(CXXFLAGS)
-    $(OBJ): | $(PRECOMPILED_HEADER_NAME).gch
-    $(PRECOMPILED_HEADER_NAME).gch: CXXFLAGS = $(CXXFLAGS_GNU_MAKE_SUCKS)
-    $(PRECOMPILED_HEADER_NAME).gch: $(PRECOMPILED_HEADER_NAME)
-  else
-    CXXFLAGS += -include acconf.h
-  endif
-endif
-
-
-########
-# CCACHE
-########
-ifeq (yes, $(CCACHE_ENABLE))
-CXX_ENV		= $(CCACHE_ENV)
-BIN_CC		:= ccache $(BIN_CC)
-BIN_CXX		:= ccache $(BIN_CXX)
-endif
-
-
-##################
-# TRANSFORM RULES
-##################
+# The actual build rules
 .SUFFIXES:
-.SUFFIXES: .o .c .cpp .cxx .mm

-%.o: %.c
-	$(CXX_ENV) $(BIN_CC) $(CFLAGS_DEP) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
+CXX_CMD = $(CXX_ENV) $(BIN_CXX) $(CFLAGS_DEP) $(CPPFLAGS)
+CC_CMD  = $(CXX_ENV) $(BIN_CC) $(CFLAGS_DEP) $(CPPFLAGS)
+POST_FLAGS = $($@_FLAGS) -c -o $@ $<

-%.o: %.cpp
-	$(CXX_ENV) $(BIN_CXX) $(CFLAGS_DEP) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
+%.o: %.c	; $(CC_CMD) $(CFLAGS) $(POST_FLAGS)
+%.o: %.cpp	; $(CXX_CMD) $(CXXFLAGS) $(POST_FLAGS)
+%.o: %.cxx	; $(CXX_CMD) $(CXXFLAGS) $(POST_FLAGS)
+%.o: %.cc	; $(CXX_CMD) $(CXXFLAGS) $(POST_FLAGS)
+%.o: %.mm	; $(CXX_CMD) $(OBJCXXFLAGS) $(POST_FLAGS)
+%.o: %.m	; $(CC_CMD) $(CFLAGS) -fmodules $(POST_FLAGS)

-%.o: %.cxx
-	$(CXX_ENV) $(BIN_CXX) $(CFLAGS_DEP) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
-
-%.o: %.cc
-	$(CXX_ENV) $(BIN_CXX) $(CFLAGS_DEP) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
-
-%.o: %.mm
-	$(CXX_ENV) $(BIN_CXX) $(CFLAGS_DEP) $(CPPFLAGS) $(OBJCXXFLAGS) -c -o $@ $<
-
-$(PRECOMPILED_HEADER_NAME).gch: $(PRECOMPILED_HEADER_NAME)
+%.gch: %
+	@$(BIN_RM) -f $@
 	$(CXX_ENV) $(BIN_CXX) $(CPPFLAGS) $(CXXFLAGS) -x c++-header $<

+.SECONDEXPANSION:

-include ($DEP)
-.SUFFIXES:
+# Libraries contain all object files they depend on (but they may depend on other files)
+# Not using libtool on OS X because it has an unsilenceable warning about a
+# compatibility issue with BSD 4.3 (wtf)
+lib%.a: $$($$*_OBJ)
+	@$(BIN_MKDIR_P) $(dir $@)
+	$(BIN_AR) cru $@ $(filter %.o,$^)
+	$(BIN_RANLIB) $@
+
+-include $(DEP)
+endif
--- a/automation/Makefile
+++ b/automation/Makefile
@ -1,56 +1,28 @@
-include ../Makefile.inc
+include $(dir $(lastword $(MAKEFILE_LIST)))../header.mk

-PRECOMPILED_HEADER_NAME = ../libaegisub/lagi_pre.h
+DATA_AUTOMATION := \
+	$(wildcard $(d)autoload/*) \
+	$(wildcard $(d)demos/*) \
+	$(wildcard $(d)include/*.lua) \
+	$(wildcard $(d)include/aegisub/*)

-PROGRAM = aegisub-lua
+DATA_AUTOMATION_REL := $(subst $(d),,$(DATA_AUTOMATION))
+DATA_AUTOMATION_INSTALLED = $(addprefix $(DESTDIR)$(P_DATA)/automation/, $(DATA_AUTOMATION_REL))

-CXXFLAGS += -I../libaegisub/include -I../src -I.. $(CXXFLAGS_WX)
-CPPFLAGS += $(CPPFLAGS_BOOST) $(CFLAGS_LUA)
+$(DESTDIR)$(P_DATA)/automation/%: $(d)%
+	$(MKDIR_INSTALL)

-LIBS := -L../libaegisub -laegisub $(LIBS_LUA) $(LIBS)
-LIBS += ../vendor/luabins/libluabins.a
-LIBS += $(LIBS_WX) $(LIBS_BOOST) $(LIBS_ICU)
+aegisub-lua_OBJ := $(d)tests/aegisub.o $(TOP)lib/libaegisub.a $(TOP)lib/libluabins.a $(LIBS_LUA)
+aegisub-lua_CPPFLAGS := $(CPPFLAGS_BOOST) $(CFLAGS_LUA) -I$(TOP)libaegisub/include -I$(TOP)src $(CXXFLAGS_WX)
+aegisub-lua_LIBS := $(LIBS_WX) $(LIBS_BOOST) $(LIBS_ICU)

-SRC += tests/aegisub.cpp
+PROGRAM += $(d)aegisub-lua

-test: $(PROGRAM)
-	LUA=./aegisub-lua busted -p 'moon' tests/modules
+test-automation: $(PROGRAM)
+	cd $(TOP)automation; LUA=./aegisub-lua busted -p 'moon' tests/modules

-.PHONY: test
+test: test-automation

-# share/
-DATA_AUTOMATION += \
-	autoload/cleantags-autoload.lua \
-	autoload/kara-templater.lua \
-	autoload/karaoke-auto-leadin.lua \
-	autoload/macro-1-edgeblur.lua \
-	autoload/macro-2-mkfullwitdh.lua \
-	autoload/select-overlaps.moon \
-	autoload/strip-tags.lua \
-	demos/future-windy-blur.lua \
-	demos/raytracer.lua \
-	include/aegisub/clipboard.lua \
-	include/aegisub/re.moon \
-	include/aegisub/unicode.moon \
-	include/aegisub/util.moon \
-	include/cleantags.lua \
-	include/clipboard.lua \
-	include/karaskel-auto4.lua \
-	include/karaskel.lua \
-	include/moonscript.lua \
-	include/re.lua \
-	include/unicode.lua \
-	include/utils-auto4.lua \
-	include/utils.lua
+install: $(DATA_AUTOMATION_INSTALLED)

-all: ;
-
-install: install-share
-	@$(BIN_MKDIR) -p $(addprefix $(DESTDIR)$(P_DATA)/automation/, $(dir $(DATA_AUTOMATION)))
-	@for i in $(DATA_AUTOMATION); do \
-		$(BIN_ECHO) "$(BIN_INSTALL) -m644 $$i $(DESTDIR)$(P_DATA)/automation/$$i"; \
-		$(BIN_INSTALL) -m644 $$i $(DESTDIR)$(P_DATA)/automation/$$i; \
-	done
-
-include ../Makefile.target
-include tests/*.d
+include $(TOP)Makefile.target
--- a/configure.ac
+++ b/configure.ac
@ -13,7 +13,6 @@ m4_define([hunspell_required_version], [1.2.0])
 m4_define([icu_required_version], [4.8.1.1])
 m4_define([libass_required_version], [0.9.7])
 m4_define([libpulse_required_version], [0.5])
-m4_define([lua_auto4_required_version], [5.1])
 m4_define([pkgconfig_required_version], [0.20])
 m4_define([portaudio_required_version], [19])
 m4_define([wx_required_version], [3.0.0])
@ -34,22 +33,15 @@ AC_CANONICAL_HOST
 ###########################
 build_darwin="no"
 build_linux="no"
-build_bsd="no"
-build_default="no"

 AS_CASE([$host],
        [*-*-darwin*], [build_darwin="yes"],
-        [*-*-linux*],  [build_linux="yes"],
-        [*-*-*bsd*],   [build_bsd="yes"],
-        [build_default="yes"])
+        [*-*-linux*],  [build_linux="yes"])

 # Used for universalchardet.
 AC_AGI_MDCPUCFG($host)

-AC_SUBST(build_bsd)
-AC_SUBST(build_linux)
 AC_SUBST(build_darwin)
-AC_SUBST(build_default)

 ########################
 # Configurable variables
@ -431,10 +423,7 @@ AS_IF([test x$with_agi_cv_wxstc = xno], AC_MSG_FAILURE([wxWidgets StyledTextCtrl
 # This turns on some internal (to aegisub) debugging features.
 # A debug version of wxWidgets is required.
 AS_IF([test x$enable_debug = xyes],
-      [PACKAGE_DEBUG="-debug"
-       AS_IF([$WX_CONFIG_PATH --debug],[AC_CXX_FLAG([-D_DEBUG])])])
-
-AC_SUBST(PACKAGE_DEBUG)
+      [AS_IF([$WX_CONFIG_PATH --debug],[AC_CXX_FLAG([-D_DEBUG])])])

 ############################
 # Precompiled Header Support
--- a/header.mk
+++ b/header.mk
@ -0,0 +1,44 @@
+d := $(abspath $(dir $(lastword $(filter-out $(lastword $(MAKEFILE_LIST)),$(MAKEFILE_LIST)))))/
+
+ifndef TOP
+TOP := $(abspath $(dir $(lastword $(MAKEFILE_LIST))))/
+include $(TOP)Makefile.inc
+
+subdirs := \
+	automation \
+	libaegisub \
+	packages/desktop \
+	po \
+	src \
+	tests \
+	tools \
+	vendor/luabins \
+	vendor/luajit \
+	vendor/universalchardet
+
+subdirs := $(addprefix $(TOP),$(addsuffix /Makefile,$(subdirs)))
+
+INCLUDING_CHILD_MAKEFILES=yes
+d_save := $d
+$(foreach dir,$(filter-out $(abspath $(MAKEFILE_LIST)),$(subdirs)), $(eval include $(dir)))
+d := $(d_save)
+INCLUDING_CHILD_MAKEFILES=no
+
+DISTCLEANFILES += \
+	$(TOP)acconf.h \
+	$(TOP)configure \
+	$(TOP)acconf.h.in~ \
+	$(TOP)build/git_version.h \
+	$(TOP)Makefile.inc \
+	$(TOP)config.log \
+	$(TOP)acconf.h.in \
+	$(TOP)config.status \
+	$(TOP)autom4te.cache \
+	$(TOP)aclocal.m4 \
+
+define MKDIR_INSTALL
+@$(BIN_MKDIR_P) $(dir $@)
+$(BIN_INSTALL) -m644 $< $@
+endef
+
+endif
--- a/libaegisub/Makefile
+++ b/libaegisub/Makefile
@ -1,67 +1,51 @@
-include ../Makefile.inc
+include $(dir $(lastword $(MAKEFILE_LIST)))../header.mk

-LIB = libaegisub.a
-
-CXXFLAGS += -Iinclude -I../src -I.. -fPIC
-CPPFLAGS += $(CPPFLAGS_BOOST) $(CFLAGS_LUA)
-
-PRECOMPILED_HEADER_NAME = lagi_pre.h
-lagi_pre.h.gch: CXXFLAGS := $(CXXFLAGS)
-
-common/charset_conv.o: CXXFLAGS += $(CFLAGS_ICONV)
-common/parser.o: CXXFLAGS += -ftemplate-depth=256
-unix/path.o: CXXFLAGS += -DP_DATA=\"$(P_DATA)\"
-
-SRC += \
-	common/parser.cpp \
-	ass/dialogue_parser.cpp \
-	common/cajun/elements.cpp \
-	common/cajun/reader.cpp \
-	common/cajun/writer.cpp \
-	common/calltip_provider.cpp \
-	common/character_count.cpp \
-	common/charset.cpp \
-	common/charset_6937.cpp \
-	common/charset_conv.cpp \
-	common/color.cpp \
-	common/file_mapping.cpp \
-	common/format.cpp \
-	common/fs.cpp \
-	common/hotkey.cpp \
-	common/io.cpp \
-	common/json.cpp \
-	common/kana_table.cpp \
-	common/karaoke_matcher.cpp \
-	common/keyframe.cpp \
-	common/log.cpp \
-	common/mru.cpp \
-	common/option.cpp \
-	common/option_visit.cpp \
-	common/path.cpp \
-	common/thesaurus.cpp \
-	common/util.cpp \
-	common/vfr.cpp \
-	common/ycbcr_conv.cpp \
-	lua/modules.cpp \
-	lua/modules/lfs.cpp \
-	lua/modules/lpeg.c \
-	lua/modules/re.cpp \
-	lua/modules/unicode.cpp \
-	lua/script_reader.cpp \
-	lua/utils.cpp \
-	unix/access.cpp \
-	unix/fs.cpp \
-	unix/log.cpp \
-	unix/path.cpp \
-	unix/util.cpp
+aegisub_OBJ := \
+	$(d)common/parser.o \
+	$(d)ass/dialogue_parser.o \
+	$(subst .cpp,.o,$(wildcard $(d)common/cajun/*.cpp)) \
+	$(subst .cpp,.o,$(wildcard $(d)lua/modules/*.cpp)) \
+	$(subst .c,.o,$(wildcard $(d)lua/modules/*.c)) \
+	$(subst .cpp,.o,$(wildcard $(d)lua/*.cpp)) \
+	$(subst .cpp,.o,$(wildcard $(d)unix/*.cpp)) \
+	$(d)common/calltip_provider.o \
+	$(d)common/character_count.o \
+	$(d)common/charset.o \
+	$(d)common/charset_6937.o \
+	$(d)common/charset_conv.o \
+	$(d)common/color.o \
+	$(d)common/file_mapping.o \
+	$(d)common/format.o \
+	$(d)common/fs.o \
+	$(d)common/hotkey.o \
+	$(d)common/io.o \
+	$(d)common/json.o \
+	$(d)common/kana_table.o \
+	$(d)common/karaoke_matcher.o \
+	$(d)common/keyframe.o \
+	$(d)common/log.o \
+	$(d)common/mru.o \
+	$(d)common/option.o \
+	$(d)common/option_visit.o \
+	$(d)common/path.o \
+	$(d)common/thesaurus.o \
+	$(d)common/util.o \
+	$(d)common/vfr.o \
+	$(d)common/ycbcr_conv.o

 ifeq (yes, $(BUILD_DARWIN))
-SRC += osx/util.mm osx/dispatch.mm osx/spellchecker.mm
+aegisub_OBJ += $(subst .mm,.o,$(wildcard $(d)osx/*.mm))
 else
-SRC += common/dispatch.cpp
+aegisub_OBJ += $(d)common/dispatch.o
 endif

-include ../Makefile.target
-include */*.d
-include lua/*/*.d
-include common/*/*.d
+aegisub_PCH := $(d)lagi_pre.h
+aegisub_CPPFLAGS := -I$(d)include -I$(TOP) -fPIC $(CPPFLAGS_BOOST) $(CFLAGS_LUA)
+
+$(d)common/charset_conv.o_FLAGS := $(CFLAGS_ICONV)
+$(d)common/parser.o_FLAGS := -ftemplate-depth=256
+$(d)unix/path.o_FLAGS := -DP_DATA=\"$(P_DATA)\"
+
+LIB += aegisub
+
+include $(TOP)Makefile.target
--- a/packages/desktop/16x16/apps/aegisub.png
+++ b/packages/desktop/16x16/apps/aegisub.png
--- a/packages/desktop/22x22/apps/aegisub.png
+++ b/packages/desktop/22x22/apps/aegisub.png
--- a/packages/desktop/24x24/apps/aegisub.png
+++ b/packages/desktop/24x24/apps/aegisub.png
--- a/packages/desktop/32x32/apps/aegisub.png
+++ b/packages/desktop/32x32/apps/aegisub.png
--- a/packages/desktop/48x48/apps/aegisub.png
+++ b/packages/desktop/48x48/apps/aegisub.png
--- a/packages/desktop/64x64/apps/aegisub.png
+++ b/packages/desktop/64x64/apps/aegisub.png
--- a/packages/desktop/Makefile
+++ b/packages/desktop/Makefile
@ -1,47 +1,26 @@
-include ../../Makefile.inc
+include $(dir $(lastword $(MAKEFILE_LIST)))../../header.mk
+DESKTOP_SRC := $(d)

-applicationsdir = $(DESKTOP_DATADIR)/applications
-applications_DATA = aegisub.desktop
+ICONS = $(wildcard $(d)*.png) $(wildcard $(d)*.svg)
+ICONS_INSTALLED = $(DESTDIR)$(P_ICON)/hicolor/%/aegisub.

-iconsscalabledir = $(DESKTOP_DATADIR)/icons/hicolor/scalable/apps
-iconsscalable_DATA = scalable/aegisub.svg
+DESKTOP_FILE := $(d)aegisub.desktop
+DESKTOP_FILE_PO := $(d)../../po
+DESKTOP_FILE_INSTALLED = $(DESTDIR)$(P_DESKTOP)/$(notdir $(DESKTOP_FILE))

-aegisub.desktop: aegisub.desktop.template ../../po
-	intltool-merge --quiet --desktop-style ../../po aegisub.desktop.template aegisub.desktop
+DISTCLEANFILES += $(DESKTOP_FILE)

-all: ;
+%.desktop: %.desktop.template $(DESKTOP_FILE_PO)
+	intltool-merge --quiet --desktop-style $(DESKTOP_FILE_PO) $< $@

-ICON_HICOLOR = \
-	16x16/apps/aegisub.png \
-	22x22/apps/aegisub.png \
-	24x24/apps/aegisub.png \
-	32x32/apps/aegisub.png \
-	48x48/apps/aegisub.png \
-	64x64/apps/aegisub.png
+$(ICONS_INSTALLED)png: $(d)%.png	; $(MKDIR_INSTALL)
+$(ICONS_INSTALLED)svg: $(d)%.svg	; $(MKDIR_INSTALL)
+$(DESKTOP_FILE_INSTALLED): $(DESKTOP_FILE)	; $(MKDIR_INSTALL)

-ICON_SCALABLE = \
-	scalable/apps/aegisub.svg
+ifneq (yes, $(BUILD_DARWIN))
+install: \
+	$(DESKTOP_FILE_INSTALLED) \
+	$(patsubst %.png, $(ICONS_INSTALLED)png, $(patsubst %.svg, $(ICONS_INSTALLED)svg, $(notdir $(ICONS))))
+endif

-DESKTOP_FILE = aegisub.desktop
-
-install: install-desktop install-icons
-
-install-desktop: $(DESKTOP_FILE)
-	@$(BIN_MKDIR) -p $(DESTDIR)$(P_DESKTOP)
-	$(BIN_INSTALL) $(DESKTOP_FILE) $(DESTDIR)$(P_DESKTOP)/$(DESKTOP_FILE)
-
-
-install-icons:
-	@$(BIN_MKDIR) -p $(addprefix $(DESTDIR)$(P_ICON)/hicolor/, $(dir $(ICON_HICOLOR)))
-	@for i in $(ICON_HICOLOR); do \
-		$(BIN_ECHO) "$(BIN_INSTALL) -m644 $$i $(DESTDIR)$(P_ICON)/hicolor/$$i"; \
-		$(BIN_INSTALL) -m644 $$i $(DESTDIR)$(P_ICON)/hicolor/$$i; \
-	done
-	$(BIN_TOUCH) $(DESTDIR)$(P_ICON)/hicolor
-	$(BIN_MKDIR) -p $(DESTDIR)$(P_ICON)/hicolor/scalable/apps
-	$(BIN_CP) $(ICON_SCALABLE) $(DESTDIR)$(P_ICON)/hicolor/$(ICON_SCALABLE)
-
-
-DISTCLEANFILES = aegisub.desktop
-
-include ../../Makefile.target
+include $(TOP)Makefile.target
--- a/packages/desktop/scalable/apps/aegisub.svg
+++ b/packages/desktop/scalable/apps/aegisub.svg
--- a/po/Makefile
+++ b/po/Makefile
@ -1,52 +1,24 @@
-include ../Makefile.inc
+include $(dir $(lastword $(MAKEFILE_LIST)))../header.mk

 .SUFFIXES: .po .mo

-PO = \
-	ar.po \
-	bg.po \
-	ca.po \
-	cs.po \
-	da.po \
-	de.po \
-	el.po \
-	es.po \
-	eu.po \
-	fa.po \
-	fi.po \
-	fr_FR.po \
-	gl.po \
-	hu.po \
-	id.po \
-	it.po \
-	ja.po \
-	ko.po \
-	nl.po \
-	pl.po \
-	pt_BR.po \
-	pt_PT.po \
-	ru.po \
-	sr_RS.po \
-	sr_RS@latin.po \
-	vi.po \
-	zh_CN.po \
-	zh_TW.po
+PO := $(wildcard $(d)*.po)
+MO := $(PO:po=mo)

-MO = $(addsuffix .mo, $(basename $(PO)))
-
-all: $(MO)
+ifeq (yes, $(BUILD_DARWIN))
+MO_INSTALLED = $(DESTDIR)$(P_LOCALE)/%.lproj/$(AEGISUB_CATALOG).mo
+else
+MO_INSTALLED = $(DESTDIR)$(P_LOCALE)/%/LC_MESSAGES/$(AEGISUB_CATALOG).mo
+endif

 %.mo: %.po
 	$(BIN_MSGFMT) -o $@ $<

-install:
-	@$(BIN_MKDIR) -p $(addsuffix /LC_MESSAGES/, $(addprefix $(DESTDIR)$(P_LOCALE)/, $(basename $(PO))))
-	@for i in $(basename $(PO)); do \
-		$(BIN_ECHO) "$(BIN_INSTALL) -m644 $$i.mo $(DESTDIR)$(P_LOCALE)/$$i/LC_MESSAGES/$(AEGISUB_CATALOG).mo"; \
-		$(BIN_INSTALL) -m644 $$i.mo $(DESTDIR)$(P_LOCALE)/$$i/LC_MESSAGES/$(AEGISUB_CATALOG).mo; \
-	done
+$(MO_INSTALLED): $(d)%.mo	; $(MKDIR_INSTALL)

+all: $(MO)
+install: $(patsubst %.mo, $(MO_INSTALLED), $(notdir $(MO)))

-CLEANFILES = $(MO)
+CLEANFILES += $(MO)

-include ../Makefile.target
+include $(TOP)Makefile.target
--- a/src/Makefile
+++ b/src/Makefile
@ -1,271 +1,207 @@
-include ../Makefile.inc
+include $(dir $(lastword $(MAKEFILE_LIST)))../header.mk

-PROGRAM = $(AEGISUB_COMMAND)
-PROGRAM_INSTALL = yes
+PROGRAM += $(d)src

-PRECOMPILED_HEADER_NAME=agi_pre.h
+src_CPPFLAGS := -I$(d) -I.. -I$(d)include -I$(TOP)libaegisub/include -I$(TOP)build \
+	$(CFLAGS_PTHREAD) $(CFLAGS_FFTW3) $(CFLAGS_ICU)
+src_CXXFLAGS := -D__STDC_FORMAT_MACROS $(CXXFLAGS_WX)
+src_LIBS := $(LIBS_GL) $(LIBS_PTHREAD) $(LIBS_WX) $(LIBS_FREETYPE) \
+	$(LIBS_LIBASS) $(LIBS_FONTCONFIG) $(LIBS_FFTW3)  $(LIBS_BOOST) $(LIBS_ICU)
+src_PCH := $(d)agi_pre.h
+src_INSTALLNAME := $(AEGISUB_COMMAND)

-AEGISUB_CFLAGS = -I. -I.. -Iinclude -I../libaegisub/include -I../build -DAEGISUB $(CFLAGS_PTHREAD) $(CFLAGS_FFTW3) $(CFLAGS_ICU)
-
-CFLAGS += $(AEGISUB_CFLAGS)
-CXXFLAGS += $(AEGISUB_CFLAGS) -D__STDC_FORMAT_MACROS $(CXXFLAGS_WX)
-
-LIBS := -L../libaegisub -laegisub $(LIBS_LUA) $(LIBS)
-LIBS += $(LIBS_GL) $(LIBS_PTHREAD) $(LIBS_WX) $(LIBS_FREETYPE)
-LIBS += $(LIBS_FONTCONFIG) $(LIBS_FFTW3) $(LIBS_UCHARDET) $(LIBS_BOOST)
-LIBS += $(LIBS_ICU) ../vendor/luabins/libluabins.a
+src_OBJ := \
+	$(subst .cpp,.o,$(wildcard $(d)command/*.cpp)) \
+	$(subst .cpp,.o,$(wildcard $(d)dialog_*.cpp)) \
+	$(subst .cpp,.o,$(wildcard $(d)subtitle_format*.cpp)) \
+	$(subst .cpp,.o,$(wildcard $(d)visual_tool*.cpp)) \
+	$(d)MatroskaParser.o \
+	$(d)aegisublocale.o \
+	$(d)ass_attachment.o \
+	$(d)ass_dialogue.o \
+	$(d)ass_entry.o \
+	$(d)ass_export_filter.o \
+	$(d)ass_exporter.o \
+	$(d)ass_file.o \
+	$(d)ass_karaoke.o \
+	$(d)ass_override.o \
+	$(d)ass_parser.o \
+	$(d)ass_style.o \
+	$(d)ass_style_storage.o \
+	$(d)ass_time.o \
+	$(d)async_video_provider.o \
+	$(d)audio_box.o \
+	$(d)audio_colorscheme.o \
+	$(d)audio_controller.o \
+	$(d)audio_display.o \
+	$(d)audio_karaoke.o \
+	$(d)audio_marker.o \
+	$(d)audio_player.o \
+	$(d)audio_provider.o \
+	$(d)audio_provider_convert.o \
+	$(d)audio_provider_dummy.o \
+	$(d)audio_provider_hd.o \
+	$(d)audio_provider_lock.o \
+	$(d)audio_provider_pcm.o \
+	$(d)audio_provider_ram.o \
+	$(d)audio_renderer.o \
+	$(d)audio_renderer_spectrum.o \
+	$(d)audio_renderer_waveform.o \
+	$(d)audio_timing_dialogue.o \
+	$(d)audio_timing_karaoke.o \
+	$(d)auto4_base.o \
+	$(d)auto4_lua.o \
+	$(d)auto4_lua_assfile.o \
+	$(d)auto4_lua_dialog.o \
+	$(d)auto4_lua_progresssink.o \
+	$(d)avisynth_wrap.o \
+	$(d)base_grid.o \
+	$(d)charset_detect.o \
+	$(d)colorspace.o \
+	$(d)colour_button.o \
+	$(d)compat.o \
+	$(d)context.o \
+	$(d)crash_writer.o \
+	$(d)export_fixstyle.o \
+	$(d)export_framerate.o \
+	$(d)fft.o \
+	$(d)font_file_lister.o \
+	$(d)font_file_lister_fontconfig.o \
+	$(d)frame_main.o \
+	$(d)gl_text.o \
+	$(d)gl_wrap.o \
+	$(d)grid_column.o \
+	$(d)help_button.o \
+	$(d)hotkey.o \
+	$(d)hotkey_data_view_model.o \
+	$(d)initial_line_state.o \
+	$(d)main.o \
+	$(d)menu.o \
+	$(d)mkv_wrap.o \
+	$(d)pen.o \
+	$(d)persist_location.o \
+	$(d)preferences.o \
+	$(d)preferences_base.o \
+	$(d)project.o \
+	$(d)resolution_resampler.o \
+	$(d)search_replace_engine.o \
+	$(d)selection_controller.o \
+	$(d)spellchecker.o \
+	$(d)spline.o \
+	$(d)spline_curve.o \
+	$(d)string_codec.o \
+	$(d)subs_controller.o \
+	$(d)subs_edit_box.o \
+	$(d)subs_edit_ctrl.o \
+	$(d)subs_preview.o \
+	$(d)subtitles_provider.o \
+	$(d)subtitles_provider_libass.o \
+	$(d)text_file_reader.o \
+	$(d)text_file_writer.o \
+	$(d)text_selection_controller.o \
+	$(d)thesaurus.o \
+	$(d)timeedit_ctrl.o \
+	$(d)toggle_bitmap.o \
+	$(d)toolbar.o \
+	$(d)tooltip_manager.o \
+	$(d)utils.o \
+	$(d)validators.o \
+	$(d)vector2d.o \
+	$(d)version.o \
+	$(d)video_box.o \
+	$(d)video_controller.o \
+	$(d)video_display.o \
+	$(d)video_frame.o \
+	$(d)video_out_gl.o \
+	$(d)video_provider_cache.o \
+	$(d)video_provider_dummy.o \
+	$(d)video_provider_manager.o \
+	$(d)video_provider_yuv4mpeg.o \
+	$(d)video_slider.o \
+	$(d)visual_feature.o \
+	$(LIBS_LUA) \
+	$(TOP)lib/libaegisub.a \
+	$(TOP)lib/libluabins.a \
+	$(TOP)lib/libresrc.a \
+	$(TOP)lib/libuniversalchardet.a \

 ifeq (yes, $(BUILD_DARWIN))
-SRC += osx/osx_utils.mm osx/retina_helper.mm osx/scintilla_ime.mm
+src_OBJ += $(subst .mm,.o,$(wildcard $(d)osx/*.mm))
 endif

-lpeg.o: CXXFLAGS += -Wno-unused-function
-MatroskaParser.o: CFLAGS += -Wno-sometimes-uninitialized
-
 ###############
 # AUDIO PLAYERS
 ###############
+$(d)audio_player_alsa.o_FLAGS      := $(CFLAGS_ALSA)
+$(d)audio_player_portaudio.o_FLAGS := $(CFLAGS_PORTAUDIO)
+$(d)audio_player_pulse.o_FLAGS     := $(CFLAGS_LIBPULSE)
+$(d)audio_player_openal.o_FLAGS    := $(CFLAGS_OPENAL)
+$(d)audio_player_oss.o_FLAGS       := $(CFLAGS_OSS)
+
 ifeq (yes, $(HAVE_ALSA))
-audio_player_alsa.o: CXXFLAGS += $(CFLAGS_ALSA)
-LIBS += $(LIBS_ALSA)
-SRC += audio_player_alsa.cpp
+src_LIBS += $(LIBS_ALSA)
+src_OBJ += $(d)audio_player_alsa.o
 endif

 ifeq (yes, $(HAVE_PORTAUDIO))
-audio_player_portaudio.o: CXXFLAGS += $(CFLAGS_PORTAUDIO)
-LIBS += $(LIBS_PORTAUDIO)
-SRC += audio_player_portaudio.cpp
+src_LIBS += $(LIBS_PORTAUDIO)
+src_OBJ += $(d)audio_player_portaudio.o
 endif

 ifeq (yes, $(HAVE_LIBPULSE))
-audio_player_pulse.o: CXXFLAGS += $(CFLAGS_LIBPULSE)
-LIBS += $(LIBS_LIBPULSE)
-SRC += audio_player_pulse.cpp
+src_LIBS += $(LIBS_LIBPULSE)
+src_OBJ += $(d)audio_player_pulse.o
 endif

 ifeq (yes, $(HAVE_OPENAL))
-audio_player_openal.o: CXXFLAGS += $(CFLAGS_OPENAL)
-LIBS += $(LIBS_OPENAL)
-SRC += audio_player_openal.cpp
+src_LIBS += $(LIBS_OPENAL)
+src_OBJ += $(d)audio_player_openal.o
 endif

 ifeq (yes, $(HAVE_OSS))
-audio_player_oss.o: CXXFLAGS += $(CFLAGS_OSS)
-SRC += audio_player_oss.cpp
+src_OBJ += $(d)audio_player_oss.o
 endif

 #######################
 # AUDIO / VIDEO SUPPORT
 #######################
 ifeq (yes, $(HAVE_FFMS2))
-audio_provider_ffmpegsource.o video_provider_ffmpegsource.o ffmpegsource_common.o preferences.o: \
-	CXXFLAGS += $(CFLAGS_FFMS2)
-LIBS += $(LIBS_FFMS2)
-SRC += audio_provider_ffmpegsource.cpp video_provider_ffmpegsource.cpp ffmpegsource_common.cpp
+$(d)audio_provider_ffmpegsource.o_FLAGS := $(CFLAGS_FFMS2)
+$(d)video_provider_ffmpegsource.o_FLAGS := $(CFLAGS_FFMS2)
+$(d)ffmpegsource_common.o_FLAGS         := $(CFLAGS_FFMS2)
+$(d)preferences.o_FLAGS                 := $(CFLAGS_FFMS2)
+src_LIBS += $(LIBS_FFMS2)
+src_OBJ += \
+	$(d)audio_provider_ffmpegsource.o \
+	$(d)video_provider_ffmpegsource.o \
+	$(d)ffmpegsource_common.o
 endif

-###########
-# SUBTITLES
-###########
-subtitles_provider_libass.o: CXXFLAGS += $(CFLAGS_LIBASS) -Wno-c++11-narrowing
-subtitles_provider.o: CXXFLAGS += $(CFLAGS_LIBASS)
-LIBS += $(LIBS_LIBASS)
-SRC += subtitles_provider_libass.cpp
-
 ##############
 # MISCELLANOUS
 ##############
 ifeq (yes, $(HAVE_HUNSPELL))
-spellchecker_hunspell.o: CXXFLAGS += $(CFLAGS_HUNSPELL)
-LIBS += $(LIBS_HUNSPELL)
-SRC += spellchecker_hunspell.cpp
+$(d)spellchecker_hunspell.o_FLAGS := $(CFLAGS_HUNSPELL)
+src_LIBS += $(LIBS_HUNSPELL)
+src_OBJ += $(d)spellchecker_hunspell.o
 endif

 #####################
 # SOURCE-LEVEL CFLAGS
 #####################
-audio_player.o:                CXXFLAGS += $(CFLAGS_ALSA) $(CFLAGS_PORTAUDIO) $(CFLAGS_LIBPULSE) $(CFLAGS_OPENAL)
-audio_provider.o:              CXXFLAGS += $(CFLAGS_FFMS2)
-auto4_base.o:                  CXXFLAGS += $(CFLAGS_FREETYPE)
-charset_detect.o:              CXXFLAGS += -D_X86_
-font_file_lister_fontconfig.o: CXXFLAGS += $(CFLAGS_FONTCONFIG)
-text_file_reader.o:            CXXFLAGS += -D_X86_
-video_provider_manager.o:      CXXFLAGS += $(CFLAGS_FFMS2)
-auto4_lua.o auto4_lua_assfile.o auto4_lua_dialog.o  auto4_lua_progresssink.o: CPPFLAGS += -I../vendor/luajit/include
+$(d)MatroskaParser.o_FLAGS              := -Wno-sometimes-uninitialized
+$(d)audio_player.o_FLAGS                := $(CFLAGS_ALSA) $(CFLAGS_PORTAUDIO) $(CFLAGS_LIBPULSE) $(CFLAGS_OPENAL)
+$(d)audio_provider.o_FLAGS              := $(CFLAGS_FFMS2)
+$(d)auto4_base.o_FLAGS                  := $(CFLAGS_FREETYPE)
+$(d)charset_detect.o_FLAGS              := -D_X86_
+$(d)font_file_lister_fontconfig.o_FLAGS := $(CFLAGS_FONTCONFIG)
+$(d)subtitles_provider.o_FLAGS          := $(CFLAGS_LIBASS)
+$(d)subtitles_provider_libass.o_FLAGS   := $(CFLAGS_LIBASS) -Wno-c++11-narrowing
+$(d)text_file_reader.o_FLAGS            := -D_X86_
+$(d)video_provider_manager.o_FLAGS      := $(CFLAGS_FFMS2)
+$(d)auto4_lua.o_FLAGS                   := -I$(TOP)vendor/luajit/include
+$(d)auto4_lua_assfile.o_FLAGS           := -I$(TOP)vendor/luajit/include
+$(d)auto4_lua_dialog.o_FLAGS            := -I$(TOP)vendor/luajit/include
+$(d)auto4_lua_progresssink.o_FLAGS      := -I$(TOP)vendor/luajit/include

-SRC += \
-	MatroskaParser.c \
-	aegisublocale.cpp \
-	ass_attachment.cpp \
-	ass_dialogue.cpp \
-	ass_entry.cpp \
-	ass_export_filter.cpp \
-	ass_exporter.cpp \
-	ass_file.cpp \
-	ass_karaoke.cpp \
-	ass_override.cpp \
-	ass_parser.cpp \
-	ass_style.cpp \
-	ass_style_storage.cpp \
-	ass_time.cpp \
-	async_video_provider.cpp \
-	audio_box.cpp \
-	audio_colorscheme.cpp \
-	audio_controller.cpp \
-	audio_display.cpp \
-	audio_karaoke.cpp \
-	audio_marker.cpp \
-	audio_player.cpp \
-	audio_provider.cpp \
-	audio_provider_convert.cpp \
-	audio_provider_dummy.cpp \
-	audio_provider_hd.cpp \
-	audio_provider_lock.cpp \
-	audio_provider_pcm.cpp \
-	audio_provider_ram.cpp \
-	audio_renderer.cpp \
-	audio_renderer_spectrum.cpp \
-	audio_renderer_waveform.cpp \
-	audio_timing_dialogue.cpp \
-	audio_timing_karaoke.cpp \
-	auto4_base.cpp \
-	auto4_lua.cpp \
-	auto4_lua_assfile.cpp \
-	auto4_lua_dialog.cpp \
-	auto4_lua_progresssink.cpp \
-	avisynth_wrap.cpp \
-	base_grid.cpp \
-	charset_detect.cpp \
-	colorspace.cpp \
-	colour_button.cpp \
-	command/app.cpp \
-	command/audio.cpp \
-	command/automation.cpp \
-	command/command.cpp \
-	command/edit.cpp \
-	command/grid.cpp \
-	command/help.cpp \
-	command/keyframe.cpp \
-	command/recent.cpp \
-	command/subtitle.cpp \
-	command/time.cpp \
-	command/timecode.cpp \
-	command/tool.cpp \
-	command/video.cpp \
-	command/vis_tool.cpp \
-	compat.cpp \
-	context.cpp \
-	crash_writer.cpp \
-	dialog_about.cpp \
-	dialog_attachments.cpp \
-	dialog_automation.cpp \
-	dialog_autosave.cpp \
-	dialog_colorpicker.cpp \
-	dialog_detached_video.cpp \
-	dialog_dummy_video.cpp \
-	dialog_export.cpp \
-	dialog_export_ebu3264.cpp \
-	dialog_fonts_collector.cpp \
-	dialog_jumpto.cpp \
-	dialog_kara_timing_copy.cpp \
-	dialog_log.cpp \
-	dialog_paste_over.cpp \
-	dialog_progress.cpp \
-	dialog_properties.cpp \
-	dialog_resample.cpp \
-	dialog_search_replace.cpp \
-	dialog_selected_choices.cpp \
-	dialog_selection.cpp \
-	dialog_shift_times.cpp \
-	dialog_spellchecker.cpp \
-	dialog_style_editor.cpp \
-	dialog_style_manager.cpp \
-	dialog_styling_assistant.cpp \
-	dialog_text_import.cpp \
-	dialog_timing_processor.cpp \
-	dialog_translation.cpp \
-	dialog_version_check.cpp \
-	dialog_video_details.cpp \
-	dialog_video_properties.cpp \
-	export_fixstyle.cpp \
-	export_framerate.cpp \
-	fft.cpp \
-	font_file_lister.cpp \
-	font_file_lister_fontconfig.cpp \
-	frame_main.cpp \
-	gl_text.cpp \
-	gl_wrap.cpp \
-	grid_column.cpp \
-	help_button.cpp \
-	hotkey.cpp \
-	hotkey_data_view_model.cpp \
-	initial_line_state.cpp \
-	main.cpp \
-	menu.cpp \
-	mkv_wrap.cpp \
-	pen.cpp \
-	persist_location.cpp \
-	preferences.cpp \
-	preferences_base.cpp \
-	project.cpp \
-	resolution_resampler.cpp \
-	search_replace_engine.cpp \
-	selection_controller.cpp \
-	spellchecker.cpp \
-	spline.cpp \
-	spline_curve.cpp \
-	string_codec.cpp \
-	subs_controller.cpp \
-	subs_edit_box.cpp \
-	subs_edit_ctrl.cpp \
-	subs_preview.cpp \
-	subtitle_format.cpp \
-	subtitle_format_ass.cpp \
-	subtitle_format_ebu3264.cpp \
-	subtitle_format_encore.cpp \
-	subtitle_format_microdvd.cpp \
-	subtitle_format_mkv.cpp \
-	subtitle_format_srt.cpp \
-	subtitle_format_ssa.cpp \
-	subtitle_format_transtation.cpp \
-	subtitle_format_ttxt.cpp \
-	subtitle_format_txt.cpp \
-	subtitles_provider.cpp \
-	text_file_reader.cpp \
-	text_file_writer.cpp \
-	text_selection_controller.cpp \
-	thesaurus.cpp \
-	timeedit_ctrl.cpp \
-	toggle_bitmap.cpp \
-	toolbar.cpp \
-	tooltip_manager.cpp \
-	utils.cpp \
-	validators.cpp \
-	vector2d.cpp \
-	version.cpp \
-	video_box.cpp \
-	video_controller.cpp \
-	video_display.cpp \
-	video_frame.cpp \
-	video_out_gl.cpp \
-	video_provider_cache.cpp \
-	video_provider_dummy.cpp \
-	video_provider_manager.cpp \
-	video_provider_yuv4mpeg.cpp \
-	video_slider.cpp \
-	visual_feature.cpp \
-	visual_tool.cpp \
-	visual_tool_clip.cpp \
-	visual_tool_cross.cpp \
-	visual_tool_drag.cpp \
-	visual_tool_rotatexy.cpp \
-	visual_tool_rotatez.cpp \
-	visual_tool_scale.cpp \
-	visual_tool_vector_clip.cpp
-
-include libresrc/Makefile.inc
-
-include ../Makefile.target
-include *.d
-include command/*.d
-include libresrc/*.d
+include $(d)libresrc/Makefile
--- a/src/dialog_export_ebu3264.h
+++ b/src/dialog_export_ebu3264.h
@ -23,6 +23,7 @@

 #include <memory>

+class wxWindow;
 namespace agi { namespace charset { class IconvWrapper; } }

 #pragma pack(push, 1)
--- a/src/libresrc/Makefile
+++ b/src/libresrc/Makefile
@ -0,0 +1,34 @@
+include $(dir $(lastword $(MAKEFILE_LIST)))../../header.mk
+
+LIB += resrc
+
+resrc_CPPFLAGS := -I$(TOP) -I$(d) $(CPPFLAGS_WX)
+resrc_OBJ := \
+	$(d)bitmap.o \
+	$(d)default_config.o \
+	$(d)libresrc.o
+
+$(resrc_OBJ): $(d)default_config.h $(d)bitmap.h
+
+RESPACK := cd $(TOP)src/libresrc; $(TOP)vendor/luajit/src/host/minilua $(TOP)tools/respack.lua
+
+$(d)bitmap.cpp $(d)bitmap.h: $(TOP)tools/respack.lua $(d)../bitmaps/button
+	$(RESPACK) ../bitmaps/manifest.respack bitmap.cpp bitmap.h
+
+ifeq (yes, $(BUILD_DARWIN))
+$(d)default_config.cpp $(d)default_config.h: $(TOP)tools/respack.lua $(d)*.json $(d)osx/*.json
+	$(RESPACK) manifest_osx.respack default_config.cpp default_config.h
+else
+$(d)default_config.cpp $(d)default_config.h: $(TOP)tools/respack.lua $(d)*.json
+	$(RESPACK) manifest.respack default_config.cpp default_config.h
+endif
+
+CLEANFILES += \
+	$(d)bitmap.cpp \
+	$(d)bitmap.h \
+	$(d)default_config.cpp \
+	$(d)default_config.h
+
+DISTCLEANFILES += $(d)default_config_platform.json
+
+include $(TOP)Makefile.target
--- a/src/libresrc/Makefile.inc
+++ b/src/libresrc/Makefile.inc
@ -1,26 +0,0 @@
-SRC += \
-	libresrc/bitmap.cpp \
-	libresrc/default_config.cpp \
-	libresrc/libresrc.cpp
-
-libresrc/bitmap.cpp libresrc/bitmap.h: ../tools/respack.lua bitmaps/button/*
-	../tools/respack.lua bitmaps/manifest.respack libresrc/bitmap.cpp libresrc/bitmap.h
-
-ifeq (yes, $(BUILD_DARWIN))
-libresrc/default_config.cpp libresrc/default_config.h: ../tools/respack.lua libresrc/*.json libresrc/osx/*.json
-	../tools/respack.lua libresrc/manifest_osx.respack libresrc/default_config.cpp libresrc/default_config.h
-else
-libresrc/default_config.cpp libresrc/default_config.h: ../tools/respack.lua libresrc/*.json
-	../tools/respack.lua libresrc/manifest.respack libresrc/default_config.cpp libresrc/default_config.h
-endif
-
-CLEANFILES += \
-	libresrc/bitmap.cpp \
-	libresrc/bitmap.h \
-	libresrc/default_config.cpp \
-	libresrc/default_config.h
-
-DISTCLEANFILES += default_config_platform.json
-
-GLOBAL_DEPS += libresrc/bitmap.h libresrc/default_config.h
-
--- a/src/libresrc/libresrc.h
+++ b/src/libresrc/libresrc.h
@ -12,6 +12,7 @@
 // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

+#include <cstdlib>
 #include <utility>

 #include "bitmap.h"
--- a/src/menu.cpp
+++ b/src/menu.cpp
@ -44,6 +44,10 @@
 #include <wx/menu.h>
 #include <wx/menuitem.h>

+#ifdef __WXMAC__
+#include <wx/app.h>
+#endif
+
 namespace {
 /// Window ID of first menu item
 static const int MENU_ID_BASE = 10000;
--- a/src/subtitle_format_ebu3264.cpp
+++ b/src/subtitle_format_ebu3264.cpp
@ -38,6 +38,7 @@
 #include <libaegisub/line_wrap.h>

 #include <boost/algorithm/string/replace.hpp>
+#include <wx/utils.h>

 namespace
 {
--- a/tests/Makefile
+++ b/tests/Makefile