diff --git a/Makefile b/Makefile
index 711dfd0e..495854cb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,36 +1,48 @@
-BITS:=$(shell getconf LONG_BIT)
-ifndef CPU
-    ifeq ($(BITS),64)
-        CPU:=x64
-    else
-        CPU:=x86
-    endif
-    MFLAGS:=$(MFLAGS) CPU=$(CPU)
-endif
+include compiler.mak
+include version.mak
 
-ifndef O
-    O=-O2
-    MFLAGS:=$(MFLAGS) 0=$(O)
+ifneq ($(BUILD_LIBC),0)
+  MODULES:=$(MODULES) libmaxsi
 endif
-ifndef BENCH
-    BENCH:=1
+ALLMODULES:=$(ALLMODULES) libmaxsi
+
+ifneq ($(BUILD_GAMES),0)
+  MODULES:=$(MODULES) games
 endif
-ifeq ($(BENCH),1)
-    EXTRAMODULES:=$(EXTRAMODULES) bench
+ALLMODULES:=$(ALLMODULES) games
+
+ifneq ($(BUILD_MKINITRD),0)
+  MODULES:=$(MODULES) mkinitrd
 endif
+ALLMODULES:=$(ALLMODULES) mkinitrd
+
+ifneq ($(BUILD_UTILS),0)
+  MODULES:=$(MODULES) utils
+endif
+ALLMODULES:=$(ALLMODULES) utils
+
+ifneq ($(BUILD_BENCH),0)
+  MODULES:=$(MODULES) bench
+endif
+ALLMODULES:=$(ALLMODULES) bench
+
+ifneq ($(BUILD_KERNEL),0)
+  MODULES:=$(MODULES) sortix
+endif
+ALLMODULES:=$(ALLMODULES) sortix
 
 ifndef SYSROOT
-    SYSROOT:=$(shell pwd)/sysroot
-    MFLAGS:=$(MFLAGS) SYSROOT=$(SYSROOT)
+  SYSROOT:=$(shell pwd)/sysroot
+  MFLAGS:=$(MFLAGS) SYSROOT=$(SYSROOT)
 endif
 
-REMOTE=192.168.2.6
-REMOTEUSER=sortie
-REMOTECOPYDIR:=/home/$(REMOTEUSER)/Desktop/MaxsiOS
-MODULES=libmaxsi games mkinitrd utils $(EXTRAMODULES) sortix
-ALLMODULES=libmaxsi games mkinitrd utils bench sortix
+ifndef PREFIXNAME
+  PREFIXNAME:=/
+  MFLAGS:=$(MFLAGS) PREFIXNAME=$(PREFIXNAME)
+endif
+
+include dirs.mak
 
-VERSION=0.8dev
 DEBNAME:=sortix_$(VERSION)_$(CPU)
 DEBSRCNAME:=sortix_$(VERSION)
 DEBDIR:=builds/$(DEBNAME)
@@ -39,42 +51,63 @@ DEBFILE:=builds/$(DEBNAME).deb
 PACKAGENAME:=sortix
 ISODIR:=builds/$(DEBNAME)-iso
 ISOFILE:=builds/$(DEBNAME).iso
-INITRDDIR:=initrd
-INITRD=sortix/sortix.initrd
+INITRD=$(INSTALLBOOTDIR)/$(HOST)/sortix.initrd
 
 MFLAGS:=$(MFLAGS) VERSION=$(VERSION)
 
 all: $(INITRD)
 
-suball:
-	(for D in $(MODULES); do ($(MAKE) all $(MFLAGS) --directory $$D && $(MAKE) install $(MFLAGS) --directory $$D) || exit $?; done)
+.PHONY: all suball sysroot-base-headers sysroot-fsh clean distclean \
+        everything everything-all-archs all-archs linecount install uninstall \
+        deb debfile debsource iso run-virtualbox run-virtualbox-debug \
+        clean-builds clean-sysroot
 
-sysroot-base-headers:
-	(for D in libmaxsi sortix; do ($(MAKE) install-headers $(MFLAGS) --directory $$D) || exit $?; done)
+suball: sysroot-base-headers
+	(for D in $(MODULES); do ($(MAKE) all $(MFLAGS) --directory $$D && $(MAKE) install $(MFLAGS) --directory $$D) || exit $$?; done)
+
+sysroot-base-headers: sysroot-fsh
+	(for D in libmaxsi sortix; do ($(MAKE) install-headers $(MFLAGS) --directory $$D) || exit $$?; done)
+
+sysroot-fsh:
+	mkdir -p "$(SYSROOT)"
+	for DIRNAME in bin boot lib include; do (\
+	  mkdir -p "$(SYSROOT)/$$DIRNAME" &&\
+	  mkdir -p "$(SYSROOT)/$$DIRNAME/$(HOST)" \
+	) || exit $$?; done;
+	if [ ! -e "$(SYSROOT)/usr" ]; then ln -s . "$(SYSROOT)/usr"; fi
 
 clean:
-	rm -rf $(SYSROOT)
-	rm -f $(INITRD)
-	rm -f initrd/*
-	(for D in $(ALLMODULES); do $(MAKE) clean $(MFLAGS) --directory $$D || exit $?; done)
+	rm -f "$(INITRD)"
+	rm -f sortix/sortix.initrd # Backwards compatibility, not needed for newer builds.
+	rm -f initrd/* # Backwards compatibility, not needed for newer builds.
+	(for D in $(ALLMODULES); do $(MAKE) clean $(MFLAGS) --directory $$D || exit $$?; done)
 
-distclean: clean cleanbuilds
-
-cleanbuilds:
+clean-builds:
 	rm -rf builds/
 	rm -f sortix.iso
 
+clean-sysroot:
+	rm -rf "$(SYSROOT)"
+
+distclean: clean clean-builds clean-sysroot
+
 everything: all deb iso
 
 everything-all-archs:
 	$(MAKE) clean $(MFLAGS)
-	$(MAKE) everything $(MFLAGS) CPU=x86
+	$(MAKE) everything $(MFLAGS) HOST=i486-sortix
 	$(MAKE) clean $(MFLAGS)
-	$(MAKE) everything $(MFLAGS) CPU=x64
+	$(MAKE) everything $(MFLAGS) HOST=x86_64-sortix
+
+all-archs:
+	$(MAKE) clean $(MFLAGS)
+	$(MAKE) all $(MFLAGS) HOST=i486-sortix
+	$(MAKE) clean $(MFLAGS)
+	$(MAKE) all $(MFLAGS) HOST=x86_64-sortix
 
 # Initializing RamDisk
 $(INITRD): suball
-	mkinitrd/mkinitrd initrd -o $(INITRD)
+	mkinitrd/mkinitrd $(SYSROOT)/bin/$(HOST) -o $(INITRD)
 
 # Statistics
 linecount:
@@ -92,18 +125,6 @@ install: all
 uninstall:
 	rm -f /boot/sortix.bin
 	rm -f /etc/grub.d/42_sortix
-	update-grub
-
-# Remote machine
-
-install-remote: all
-	scp -r ./ $(REMOTE):$(REMOTECOPYDIR)
-	scp sortix/sortix.bin root@$(REMOTE):/boot
-	scp $(INITRD) root@$(REMOTE):/boot
-	ssh root@$(REMOTE) "init 6"
-
-uninstall-remote:
-	ssh root@$(REMOTE) "rm /boot/sortix.bin"
 
 # Packaging
 
@@ -114,7 +135,7 @@ debfile: all
 	mkdir -p $(DEBDIR)
 	mkdir -p $(DEBDIR)/boot
 	cp sortix/sortix.bin $(DEBDIR)/boot
-	cp sortix/sortix.initrd $(DEBDIR)/boot
+	cp $(INITRD) $(DEBDIR)/boot
 	expr \( `stat --printf="%s" $(DEBDIR)/boot/sortix.bin` \
 	      + `stat --printf="%s" $(DEBDIR)/boot/sortix.initrd` \
 	      + 1023 \) / 1024 > $(DEBDIR)/boot/deb.size
@@ -137,14 +158,14 @@ debsource: all
 	rm -rf $(DEBSRCDIR)
 	mkdir -p $(DEBSRCDIR)
 	for D in `ls | grep -v builds | grep -v sysroot`; do cp -r $$D $(DEBSRCDIR); done
-	(cd $(DEBSRCDIR) && make distclean)
+	(cd $(DEBSRCDIR) && make distclean SYSROOT=$(shell pwd)/$(DEBSRCDIR)/sysroot)
 	rm -rf $(DEBSRCDIR)/sysroot
 	(cd builds && tar cfz $(DEBSRCNAME)-src.tar.gz $(DEBSRCNAME)-src)
 	rm -rf $(DEBSRCDIR)
 
 # Bootable images
 
-iso: all debsource
+$(ISOFILE): all debsource
 	rm -rf $(ISODIR)
 	mkdir -p builds
 	mkdir -p $(ISODIR)
@@ -155,8 +176,10 @@ iso: all debsource
 	grub-mkrescue -o $(ISOFILE) $(ISODIR)
 	rm -rf $(ISODIR)
 
+iso: $(ISOFILE)
+
 sortix.iso: iso
-	cp $(ISOFILE) sortix.iso
+	cp $(ISOFILE) $@
 
 # Virtualization
 run-virtualbox: sortix.iso
@@ -165,4 +188,3 @@ run-virtualbox: sortix.iso
 run-virtualbox-debug: sortix.iso
 	virtualbox --debug --start-running --startvm sortix
 
-
diff --git a/bench/.gitignore b/bench/.gitignore
index 5761abcf..9f31a783 100644
--- a/bench/.gitignore
+++ b/bench/.gitignore
@@ -1 +1,3 @@
 *.o
+benchctxswitch
+benchsyscall
diff --git a/bench/Makefile b/bench/Makefile
index 9f50151b..673530c2 100644
--- a/bench/Makefile
+++ b/bench/Makefile
@@ -1,29 +1,40 @@
-# Set up variables such that we can easily cross-compile.
-OSROOT=..
-include ../crosscompilemakefile.mak
+include ../compiler.mak
+include ../version.mak
+include ../dirs.mak
 
-CXXFLAGS:=$(CXXFLAGS) -Wall -Wextra
+ifndef OPTLEVEL
+  OPTLEVEL=-O2
+endif
 
-INITRDDIR:=../initrd
-LOCALBINARIES:=\
+ifndef CXXFLAGS
+  CXXFLAGS:=$(OPTLEVEL)
+endif
+
+CXXFLAGS:=$(CXXFLAGS) -Wall -Wextra -fno-exceptions -fno-rtti
+
+BINARIES:=\
 benchsyscall \
 benchctxswitch \
 
-BINARIES:=$(addprefix $(INITRDDIR)/,$(LOCALBINARIES))
+all: $(BINARIES)
 
-all: install
+.PHONY: all install uninstall clean
 
-install: $(LOCALBINARIES)
-	cp $(LOCALBINARIES) $(INITRDDIR)
-	rm -f $(LOCALBINARIES)
+install: all
+	mkdir -p $(INSTALLBINDIR)/$(HOST)
+	install $(BINARIES) $(INSTALLBINDIR)/$(HOST)
+
+uninstall:
+	for FILE in $(INSTALLBINDIR); do \
+		rm -f $(INSTALLBINDIR)/$(HOST)/$$FILE; \
+	done
 
 %: %.cpp
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -O2 -c $< -o $@.o
-	$(LD) $(LDFLAGS) $@.o -o $@ $(LIBS)
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) $< -o $@
 
 sh: mxsh
 	cp $< $@
 
 clean:
-	rm -f $(BINARIES) $(LOCALBINARIES) *.o
+	rm -f $(BINARIES) *.o
 
diff --git a/compiler.mak b/compiler.mak
new file mode 100644
index 00000000..a1dacefa
--- /dev/null
+++ b/compiler.mak
@@ -0,0 +1,65 @@
+ifndef BITS
+  BITS:=$(shell getconf LONG_BIT)
+endif
+
+ifndef HOST
+  ifeq ($(BITS),64)
+    HOST:=x86_64-sortix
+  else
+    HOST:=i486-sortix
+  endif
+  MFLAGS:=$(MFLAGS) HOST=$(HOST)
+endif
+
+ifeq ($(HOST),i486-sortix)
+    CPU:=x86
+endif
+ifeq ($(HOST),x86_64-sortix)
+    CPU:=x64
+endif
+
+ifndef BUILDCC
+  BUILDCC:=gcc
+endif
+ifndef BUILDCXX
+  BUILDCXX:=g++
+endif
+ifndef BUILDAR
+  BUILDAR:=ar
+endif
+ifndef BUILDAS
+  BUILDAS:=as
+endif
+ifndef BUILDLD
+  BUILDAS:=ld
+endif
+ifndef BUILDOBJCOPY
+  BUILDOBJCOPY:=objcopy
+endif
+
+ifndef HOSTCC
+  HOSTCC:=$(HOST)-gcc
+endif
+ifndef HOSTCXX
+  HOSTCXX:=$(HOST)-g++
+endif
+ifndef HOSTAR
+  HOSTAR:=$(HOST)-ar
+endif
+ifndef HOSTAS
+  HOSTAS:=$(HOST)-as
+endif
+ifndef HOSTLD
+  HOSTLD:=$(HOST)-ld
+endif
+ifndef HOSTOBJCOPY
+  HOSTOBJCOPY:=$(HOST)-objcopy
+endif
+
+CC:=$(HOSTCC)
+CXX:=$(HOSTCXX)
+AR=:$(HOSTAR)
+AS:=$(HOSTAS)
+LD:=$(HOSTLD)
+OBJCOPY:=$(HOSTOBJCOPY)
+
diff --git a/crosscompilemakefile.mak b/crosscompilemakefile.mak
deleted file mode 100644
index 89d4fabb..00000000
--- a/crosscompilemakefile.mak
+++ /dev/null
@@ -1,36 +0,0 @@
-ifndef CPU
-    CPU=x86
-endif
-
-ifeq ($(CPU),x86)
-	X86FAMILY=1
-    CPUDEFINES=-DPLATFORM_X86
-    CPUFLAGS=-m32
-    CPULDFLAGS=-melf_i386
-endif
-
-ifeq ($(CPU),x64)
-	X86FAMILY=1
-    CPUDEFINES=-DPLATFORM_X64
-    CPUFLAGS=-m64
-    CPULDFLAGS=-melf_x86_64
-endif
-
-LIBMAXSIROOT:=$(OSROOT)/libmaxsi
-SORTIXROOT:=$(OSROOT)/sortix
-
-LIBC:=$(LIBMAXSIROOT)/start.o $(LIBMAXSIROOT)/libc.a
-LIBS:=$(LIBC)
-
-CPPFLAGS:=$(CPUDEFINES) -U_GNU_SOURCE -Ulinux -Dsortix
-FLAGS:=-nostdinc -nostdlib -nostartfiles -nodefaultlibs
-INCLUDES:=-I $(LIBMAXSIROOT)/preproc -I $(SORTIXROOT)/include
-
-LD:=ld
-LDFLAGS:=$(CPULDFLAGS)
-CC:=gcc
-CFLAGS:=$(CPUFLAGS) $(FLAGS) $(INCLUDES)
-CXX:=g++
-CXXFLAGS:=$(CPUFLAGS) $(FLAGS) $(INCLUDES) -fno-exceptions -fno-rtti
-
-
diff --git a/dirs.mak b/dirs.mak
new file mode 100644
index 00000000..e6a1b6ef
--- /dev/null
+++ b/dirs.mak
@@ -0,0 +1,119 @@
+ifndef SYSROOT
+  SYSROOT:=/
+endif
+
+# The locations from where the program will be invoked/run on the host machine.
+# For instance, on Sortix programs are normally run from the /bin union
+# directory, even though they are actually installed somewhere else.
+ifndef RUNPREFIXNAME
+  RUNPREFIXNAME:=/
+endif
+RUNPREFIXNAME:=$(shell echo "$(RUNPREFIXNAME)" | sed 's/\/\/*/\//g')
+
+ifndef RUNPREFIX
+  RUNPREFIX:=/$(RUNPREFIXNAME)
+endif
+RUNPREFIX:=$(shell echo "$(RUNPREFIX)" | sed 's/\/\/*/\//g')
+
+ifndef RUNBINDIR
+  RUNBINDIR:=$(RUNPREFIX)/bin
+endif
+RUNBINDIR:=$(shell echo "$(RUNBINDIR)" | sed 's/\/\/*/\//g')
+
+ifndef RUNLIBDIR
+  RUNLIBDIR:=$(RUNPREFIX)/lib
+endif
+RUNLIBDIR:=$(shell echo "$(RUNLIBDIR)" | sed 's/\/\/*/\//g')
+
+ifndef RUNINCLUDEDIR
+  RUNINCLUDEDIR:=$(RUNPREFIX)/include
+endif
+RUNINCLUDEDIR:=$(shell echo "$(RUNINCLUDEDIR)" | sed 's/\/\/*/\//g')
+
+ifndef RUNBOOTDIR
+  RUNBOOTDIR:=$(RUNPREFIX)/boot
+endif
+RUNBOOTDIR:=$(shell echo "$(RUNBOOTDIR)" | sed 's/\/\/*/\//g')
+
+# Where the program will be really installed on the host machine. For instance,
+# on Sortix programs are run from the /bin union directory, but they are
+# installed somewhere else, these variables tells where. Note that programs must
+# not depend on being installed here, they should detect the proper directories
+# at (preferably) runtime, or during the install configuration step when
+# installed through package management.
+ifndef PREFIXNAME
+  PREFIXNAME:=/data/local
+endif
+PREFIXNAME:=$(shell echo "$(PREFIXNAME)" | sed 's/\/\/*/\//g')
+
+ifndef PREFIX
+  PREFIX:=$(SYSROOT)/$(PREFIXNAME)
+endif
+PREFIX:=$(shell echo "$(PREFIX)" | sed 's/\/\/*/\//g')
+
+ifndef BINDIR
+  BINDIR:=$(PREFIX)/bin
+endif
+BINDIR:=$(shell echo "$(BINDIR)" | sed 's/\/\/*/\//g')
+
+ifndef LIBDIR
+  LIBDIR:=$(PREFIX)/lib
+endif
+LIBDIR:=$(shell echo "$(LIBDIR)" | sed 's/\/\/*/\//g')
+
+ifndef INCLUDEDIR
+  INCLUDEDIR:=$(PREFIX)/include
+endif
+INCLUDEDIR:=$(shell echo "$(INCLUDEDIR)" | sed 's/\/\/*/\//g')
+
+ifndef BOOTDIR
+  BOOTDIR:=$(PREFIX)/boot
+endif
+BOOTDIR:=$(shell echo "$(BOOTDIR)" | sed 's/\/\/*/\//g')
+
+# Where the program will be installed on the build machine. This is mostly
+# useful if cross compiling or producing a software distribution image. By
+# default programs will be installed in the same location as the host machine.
+ifdef INSTALLPREFIX
+  INSTALLPREFIX_WAS_SPECIFIED=1
+endif
+ifndef INSTALLPREFIX
+    INSTALLPREFIX:=$(PREFIX)
+endif
+INSTALLPREFIX:=$(shell echo "$(INSTALLPREFIX)" | sed 's/\/\/*/\//g')
+
+ifndef INSTALLBINDIR
+  ifdef INSTALLPREFIX_WAS_SPECIFIED
+    INSTALLBINDIR:=$(INSTALLPREFIX)/bin
+  else
+    INSTALLBINDIR:=$(BINDIR)
+  endif
+endif
+INSTALLBINDIR:=$(shell echo "$(INSTALLBINDIR)" | sed 's/\/\/*/\//g')
+
+ifndef INSTALLLIBDIR
+  ifdef INSTALLPREFIX_WAS_SPECIFIED
+    INSTALLLIBDIR:=$(INSTALLPREFIX)/lib
+  else
+    INSTALLLIBDIR:=$(LIBDIR)
+  endif
+endif
+INSTALLLIBDIR:=$(shell echo "$(INSTALLLIBDIR)" | sed 's/\/\/*/\//g')
+
+ifndef INSTALLINCLUDEDIR
+  ifdef INSTALLPREFIX_WAS_SPECIFIED
+    INSTALLINCLUDEDIR:=$(INSTALLPREFIX)/include
+  else
+    INSTALLINCLUDEDIR:=$(INCLUDEDIR)
+  endif
+endif
+INSTALLINCLUDEDIR:=$(shell echo "$(INSTALLINCLUDEDIR)" | sed 's/\/\/*/\//g')
+
+ifndef INSTALLBOOTDIR
+  ifdef INSTALLPREFIX_WAS_SPECIFIED
+    INSTALLBOOTDIR:=$(INSTALLPREFIX)/boot
+  else
+    INSTALLBOOTDIR:=$(BOOTDIR)
+  endif
+endif
+INSTALLBOOTDIR:=$(shell echo "$(INSTALLBOOTDIR)" | sed 's/\/\/*/\//g')
diff --git a/games/.gitignore b/games/.gitignore
index 89ecd713..d43d4580 100644
--- a/games/.gitignore
+++ b/games/.gitignore
@@ -6,3 +6,5 @@
 *.a
 pong
 conway
+snake
+asteroids
diff --git a/games/Makefile b/games/Makefile
index 2aa77c37..4808f03c 100644
--- a/games/Makefile
+++ b/games/Makefile
@@ -1,31 +1,42 @@
-# Set up variables such that we can easily cross-compile.
-OSROOT=..
-include ../crosscompilemakefile.mak
+include ../compiler.mak
+include ../version.mak
+include ../dirs.mak
 
-CXXFLAGS:=$(CXXFLAGS) -Wall -Wextra
+ifndef OPTLEVEL
+  OPTLEVEL=-O2
+endif
 
-INITRDDIR:=../initrd
-LOCALBINARIES:=\
+ifndef CXXFLAGS
+  CXXFLAGS:=$(OPTLEVEL)
+endif
+
+CXXFLAGS:=$(CXXFLAGS) -Wall -Wextra -fno-exceptions -fno-rtti
+
+BINARIES:=\
 pong \
 conway \
 snake \
 asteroids \
 
-BINARIES:=$(addprefix $(INITRDDIR)/,$(LOCALBINARIES))
+all: $(BINARIES)
 
-all: install
+.PHONY: all install uninstall clean
 
-install: $(LOCALBINARIES)
-	cp $(LOCALBINARIES) $(INITRDDIR)
-	rm -f $(LOCALBINARIES)
+install: all
+	mkdir -p $(INSTALLBINDIR)/$(HOST)
+	install $(BINARIES) $(INSTALLBINDIR)/$(HOST)
+
+uninstall:
+	for FILE in $(INSTALLBINDIR); do \
+		rm -f $(INSTALLBINDIR)/$(HOST)/$$FILE; \
+	done
 
 %: %.cpp
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -O2 -c $< -o $@.o
-	$(LD) $(LDFLAGS) $@.o -o $@ $(LIBS)
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) $< -o $@
 
 sh: mxsh
 	cp $< $@
 
 clean:
-	rm -f $(BINARIES) $(LOCALBINARIES) *.o
+	rm -f $(BINARIES) *.o
 
diff --git a/libmaxsi/Makefile b/libmaxsi/Makefile
index 2b85e1ea..dba099b7 100644
--- a/libmaxsi/Makefile
+++ b/libmaxsi/Makefile
@@ -1,29 +1,32 @@
-ifndef CPU
-    CPU=x86
+include ../compiler.mak
+include ../version.mak
+include ../dirs.mak
+
+ifndef OPTLEVEL
+    OPTLEVEL:=-O2
 endif
 
-ifeq ($(CPU),x86)
-    CPUDEFINES=-DPLATFORM_X86
-    CPUFLAGS=-m32
-    CPULDFLAGS=-melf_i386
-    CPUASFLAGS=-32
+ifeq ($(DEBUG_LIBC),1)
+    FLAGSDEBUG=-g3
+else
+    FLAGSDEBUG=$(OPTLEVEL)
 endif
 
-ifeq ($(CPU),x64)
-    CPU=x64
-    CPUDEFINES=-DPLATFORM_X64
-    CPUFLAGS=-fPIC -m64 -mno-red-zone
-    CPULDFLAGS=-melf_x86_64
-    CPUASFLAGS=-64
+CPUDIR:=$(CPU)
+
+ifeq ($(HOST),i486-sortix)
+    CPUFLAGS=
 endif
 
-CPPINCLUDES=-I preproc -I ../sortix/include
-CPPFLAGS=-DLIBMAXSI_LIBRARY -DSORTIX -U_GNU_SOURCE $(CPUDEFINES) $(CPPINCLUDES)
-FLAGS=$(CPUFLAGS) -Wall -Wextra -nostdlib -fno-builtin -nostartfiles \
-                  -nodefaultlibs -fno-stack-protector -nostdinc
+ifeq ($(HOST),x86_64-sortix)
+    CPUFLAGS=-fPIC -mno-red-zone
+endif
+
+CPPINCLUDES=-I preproc
+CPPFLAGS=-DLIBMAXSI_LIBRARY -U_GNU_SOURCE $(CPUDEFINES) $(CPPINCLUDES)
+FLAGS=$(CPUFLAGS) -Wall -Wextra -fno-stack-protector $(FLAGSDEBUG)
 CFLAGS=$(FLAGS) -std=c99
-CXXFLAGS=$(FLAGS) -std=gnu++0x -fno-exceptions -nostdinc++ -fno-rtti
-LDFLAGS=$(CPULDFLAGS)
+CXXFLAGS=$(FLAGS) -std=gnu++0x -fno-exceptions -fno-rtti
 ASFLAGS=$(CPUASFLAGS)
 
 OBJS=\
@@ -48,8 +51,8 @@ isatty.o \
 kernelinfo.o \
 init.o \
 signal.o \
-$(CPU)/signal.o \
-$(CPU)/fork.o \
+$(CPUDIR)/signal.o \
+$(CPUDIR)/fork.o \
 time.o \
 random.o \
 abs.o \
@@ -188,7 +191,7 @@ crc32.o \
 SORTIXOBJS:=$(addprefix sortix/,$(SORTIXOBJS))
 SORTIXCPPFLAGS:=-DSORTIX_KERNEL
 
-BINS=libc.a libg.a libmaxsi.a libmaxsi-sortix.a $(CRTOBJ)
+BINS=libc.a libg.a libm.a libstdc++.a libmaxsi.a libmaxsi-sortix.a $(CRTOBJ)
 
 all: $(BINS)
 
@@ -196,36 +199,33 @@ all: $(BINS)
         install-lib-dirs install-libs
 
 libmaxsi.a: $(OBJS)
-	ar rcs libmaxsi.a $(OBJS)
-
-libmaxsi.so: $(OBJS)
-	ld $(LDFLAGS) -shared -o $@ $(OBJS)
+	$(HOSTAR) rcs libmaxsi.a $(OBJS)
 
 libmaxsi-sortix.a: $(SORTIXOBJS)
-	ar rcs libmaxsi-sortix.a $(SORTIXOBJS)
+	$(HOSTAR) rcs libmaxsi-sortix.a $(SORTIXOBJS)
 
 libc.a: libmaxsi.a
 	ln -sf $< $@
 
-libc.so: libmaxsi.so
-	ln -sf $< $@
-
 libg.a: libc.a
 	ln -sf $< $@
 
-libg.so: libc.so
-	ln -sf $< $@
+libm.a:
+	$(HOSTAR) rcs $@
 
-start.o: $(CPU)/start.o
+libstdc++.a:
+	$(HOSTAR) rcs $@
+
+start.o: $(CPUDIR)/start.o
 	ln -f $< $@
 
-crt1.o: $(CPU)/crt1.o
+crt1.o: $(CPUDIR)/crt1.o
 	ln -f $< $@
 
-crti.o: $(CPU)/crti.o
+crti.o: $(CPUDIR)/crti.o
 	ln -f $< $@
 
-crtn.o: $(CPU)/crtn.o
+crtn.o: $(CPUDIR)/crtn.o
 	ln -f $< $@
 
 # header preprocessing
@@ -239,20 +239,20 @@ headers: $(HEADERDIRS) $(HEADERS)
 
 # standard library
 %.o: %.c headers
-	gcc -c $< -o $@ $(CPPFLAGS) $(CFLAGS)
+	$(HOSTCC) -c $< -o $@ $(CPPFLAGS) $(CFLAGS)
 
 %.o: %.cpp headers
-	g++ -c $< -o $@ $(CPPFLAGS) $(CXXFLAGS)
+	$(HOSTCXX) -c $< -o $@ $(CPPFLAGS) $(CXXFLAGS)
 
 %.o: %.s
-	as $(ASFLAGS) $< -o $@
+	$(HOSTAS) $(ASFLAGS) $< -o $@
 
 # libmaxsi-sortix
 sortix:
 	mkdir -p sortix
 
 sortix/%.o: %.cpp $(HEADERS) sortix
-	g++ -c $< -o $@ $(CPPFLAGS) $(SORTIXCPPFLAGS) $(CXXFLAGS)
+	$(HOSTCXX) -c $< -o $@ $(CPPFLAGS) $(SORTIXCPPFLAGS) $(CXXFLAGS)
 
 clean:
 	rm -f *.o sortix/*.o c/*.o x86/*.o x64/*.o *.a *.so
@@ -263,19 +263,26 @@ clean:
 install: install-headers install-libs
 
 install-include-dirs: headers
-	mkdir -p $(SYSROOT)/usr/include
-	for D in $(UNPROCHEADERDIRS); do mkdir -p $(SYSROOT)/usr/$$D || exit $?; done
+	mkdir -p $(INSTALLINCLUDEDIR)
+	DIRS=$$(echo $(UNPROCHEADERDIRS) | \
+	        tr ' ' '\n' | \
+	        sed 's/include\/*//'); \
+	for D in $$DIRS; do \
+	  mkdir -p $(INSTALLINCLUDEDIR)/$$D || exit $?; \
+	done
 
 install-headers: install-include-dirs headers
-	for SRC in $(HEADERS); do DEST=`echo $$SRC | sed 's/preproc/include/'`; cp $$SRC $(SYSROOT)/usr/$$DEST || exit $?; done
+	for SRC in $(HEADERS); do \
+	  DEST=`echo $$SRC | sed 's/preproc\///'`; \
+	  cp -P $$SRC $(INSTALLINCLUDEDIR)/$$DEST || exit $?; \
+	done
 
-install-lib-dirs: all
-	mkdir -p $(SYSROOT)/usr/lib
+install-lib-dirs:
+	mkdir -p $(INSTALLLIBDIR)
+	mkdir -p $(INSTALLLIBDIR)/$(HOST)
 
-install-libs: install-lib-dirs all
-	for F in $(BINS); do cp -P $$F $(SYSROOT)/usr/lib || exit $?; done
-	touch deleteme.cpp
-	g++ $(CPUFLAGS) -c deleteme.cpp -o deleteme.o
-	for F in libgcc.so libm.so libstdc++.so; do ld $(CPULDFLAGS) -shared deleteme.o -o $(SYSROOT)/usr/lib/$$F; done
-	rm -f deleteme.o deleteme.cpp
+install-libs: install-lib-dirs
+	for F in $(BINS); do \
+	  cp -P $$F $(INSTALLLIBDIR)/$(HOST) || exit $?; \
+	done
 
diff --git a/sortix/Makefile b/sortix/Makefile
index 6e176b1d..5d5c9de2 100644
--- a/sortix/Makefile
+++ b/sortix/Makefile
@@ -1,31 +1,27 @@
-ifndef O
-    O:=-O3
-endif
+include ../compiler.mak
+include ../version.mak
+include ../dirs.mak
 
-ifndef CPU
-    CPU=x86
+ifndef OPTLEVEL
+    OPTLEVEL:=-O2
 endif
 
 ifeq ($(CPU),x86)
     BUILDID=x86
     X86FAMILY=1
-    CPUDEFINES=-DPLATFORM_X86
-    CPUFLAGS=-m32
-    CPULDFLAGS=-melf_i386
-    CPUASFLAGS=-32
+    CPUFLAGS=
+    CPULDFLAGS=
     CPUNASMFLAGS=-felf32
-    CPUOBJS=$(CPU)/boot.o $(CPU)/base.o $(CPU)/x86.o
+    CPUOBJS:=$(CPU)/boot.o $(CPU)/base.o $(CPU)/x86.o
 endif
 
 ifeq ($(CPU),x64)
     BUILDID=x64
     X86FAMILY=1
-    CPUDEFINES=-DPLATFORM_X64
-    CPUFLAGS=-m64 -ffreestanding -mno-red-zone
-    CPULDFLAGS=-melf64-little -z max-page-size=0x1000
-    CPUASFLAGS=-64
+    CPUFLAGS=-ffreestanding -mno-red-zone
+    CPULDFLAGS=-z max-page-size=0x1000
     CPUNASMFLAGS=-felf64
-    CPUOBJS=$(CPU)/base.o $(CPU)/x64.o
+    CPUOBJS:=$(CPU)/base.o $(CPU)/x64.o
 endif
 
 ifdef X86FAMILY
@@ -49,11 +45,7 @@ endif
 
 DIRS=. x64 x86 x86-family fs kb kb/layout
 
-DEFINES:=-DSORTIX_KERNEL -U_GNU_SOURCE $(CPUDEFINES)
-ifeq ($(JSSORTIX),1)
-    DEFINES:=$(DEFINES) -DPLATFORM_SERIAL -DJSSORTIX
-    BUILDID:=$(BUILDID)-js
-endif
+DEFINES:=-DSORTIX_KERNEL -U_GNU_SOURCE
 ifeq ($(PANIC_SHORT),1)
     DEFINES:=$(DEFINES) -DPANIC_SHORT
 endif
@@ -71,22 +63,22 @@ ifdef VERSION
     DEFINES:=$(DEFINES) -DVERSIONSTR=\"$(VERSION)\"
 endif
 
-INCLUDES=-I. -Iinclude -I../libmaxsi/preproc
+INCLUDES=-I. -Iinclude
 CPPFLAGS=$(INCLUDES) $(DEFINES)
 ifeq ($(DEBUG_KERNEL),1)
     FLAGSDEBUG=-g3
 else
-    FLAGSDEBUG=-s $(O)
+    FLAGSDEBUG=$(OPTLEVEL)
 endif
-FLAGS=$(CPUFLAGS) -Wall  -Wall -Wextra -nostdlib -fno-builtin -nostartfiles \
+FLAGS=$(CPUFLAGS) -Wall  -Wall -Wextra -nostdlib -nostartfiles \
       -nodefaultlibs -fno-stack-protector $(FLAGSDEBUG)
 CFLAGS=$(FLAGS)
 CXXFLAGS=$(FLAGS) -std=gnu++0x -fno-exceptions -fno-rtti
-ASFLAGS=$(CPUASFLAGS)
+ASFLAGS=
 NASMFLAGS=$(CPUNASMFLAGS)
 
 STATICLIBS=\
-../libmaxsi/libmaxsi-sortix.a \
+-lmaxsi-sortix \
 
 HEADERDIRS:=$(shell find include -type d)
 HEADERS:=$(shell find include -type f)
@@ -146,10 +138,10 @@ fs/initfs.o \
 fs/ramfs.o \
 fs/videofs.o \
 ata.o \
-$(STATICLIBS) \
-end.o # Must be last, determines kernel size.
 
-JSOBJS:=$(subst .o,-js.o,$(OBJS))
+ALLOBJS=\
+$(OBJS) \
+end.o
 
 all: sortix.bin
 
@@ -157,26 +149,18 @@ all: sortix.bin
 
 headers:
 
-# jssortix compilation
-
-jssortix: jssortix.bin
-
-sortix-x86-js.tmp: $(OBJS)
-	ld -melf_i386 -Ttext 100000 -o sortix-x86-js-internal.out $(OBJS)
-	objcopy -O binary sortix-x86-js-internal.out $@
-
 # x64 compilation
 x64/boot.o: x64/boot.s
-	as -64 $< -o $@
+	$(HOSTAS) -64 $< -o $@
 
-sortix-x64.tmp: $(OBJS) x64/boot.o
-	ld -N -melf_x86_64 -Ttext 100000 -o sortix-x64-internal.out x64/boot.o $(OBJS)
-	objcopy sortix-x64-internal.out -O elf32-i386 sortix-x64.tmp
+sortix-x64.tmp: $(ALLOBJS) x64/boot.o
+	$(HOSTLD) -N -melf_x86_64_sortix -Ttext 100000 -o sortix-x64-internal.out x64/boot.o $(OBJS) $(STATICLIBS) end.o
+	$(HOSTOBJCOPY) sortix-x64-internal.out -O elf32-i386 sortix-x64.tmp
 
 # x86 compilation
 
-sortix-x86.tmp: $(OBJS)
-	ld -melf_i386 -Ttext 100000 -o $@ $(OBJS)
+sortix-x86.tmp: $(ALLOBJS)
+	$(HOSTLD) -melf_i386_sortix -Ttext 100000 -o $@ $(OBJS) $(STATICLIBS) end.o
 
 # general rules
 
@@ -184,10 +168,10 @@ sortix.bin: sortix-$(BUILDID).tmp
 	cp -vu $< $@
 
 %.o: %.cpp
-	g++ -c $< -o $@ $(CPPFLAGS) $(CXXFLAGS)
+	$(HOSTCXX) -c $< -o $@ $(CPPFLAGS) $(CXXFLAGS)
 
 %.o: %.s
-	as $(ASFLAGS) $< -o $@
+	$(HOSTAS) $< -o $@ $(ASFLAGS)
 
 %.o: %.asm
 	nasm $(NASMFLAGS) $< -o $@
@@ -196,15 +180,26 @@ clean:
 	for D in $(DIRS); do rm -f $$D/*.o $$D/*.bin $$D/*.out $$D/*.tmp; done
 
 # Installation into sysroot
-install: install-headers
+install: install-headers install-kernel
 
 install-include-dirs: headers
-	for DIR in $(HEADERDIRS); do \
-		mkdir -p $(SYSROOT)/usr/$$DIR; \
+	mkdir -p $(INSTALLINCLUDEDIR)
+	DIRS=$$(echo $(HEADERDIRS) | \
+	        tr ' ' '\n' | \
+	        sed 's/include\/*//'); \
+	for D in $$DIRS; do \
+	  mkdir -p $(INSTALLINCLUDEDIR)/$$D || exit $?; \
 	done
 
 install-headers: install-include-dirs headers
-	for FILE in $(HEADERS); do \
-		cp $$FILE $(SYSROOT)/usr/$$FILE; \
+	for SRC in $(HEADERS); do \
+	  DEST=`echo $$SRC | sed 's/include\///'`; \
+	  cp -P $$SRC $(INSTALLINCLUDEDIR)/$$DEST || exit $?; \
 	done
 
+install-kernel: install-kernel-binary
+
+install-kernel-binary:
+	mkdir -p $(INSTALLBOOTDIR)/$(HOST)
+	cp -P sortix.bin $(INSTALLBOOTDIR)/$(HOST)
+
diff --git a/utils/.gitignore b/utils/.gitignore
index 5761abcf..39e2c747 100644
--- a/utils/.gitignore
+++ b/utils/.gitignore
@@ -1 +1,25 @@
 *.o
+init
+calc
+cat
+cp
+echo
+rm
+sh
+mxsh
+clear
+ls
+pwd
+help
+uptime
+memstat
+chvideomode
+uname
+kernelinfo
+editor
+kill
+column
+pager
+head
+tail
+type
diff --git a/utils/Makefile b/utils/Makefile
index 3935125b..737dc56a 100644
--- a/utils/Makefile
+++ b/utils/Makefile
@@ -1,11 +1,18 @@
-# Set up variables such that we can easily cross-compile.
-OSROOT=..
-include ../crosscompilemakefile.mak
+include ../compiler.mak
+include ../version.mak
+include ../dirs.mak
 
-CXXFLAGS:=$(CXXFLAGS) -Wall -Wextra
+ifndef OPTLEVEL
+  OPTLEVEL=-O2
+endif
 
-INITRDDIR:=../initrd
-LOCALBINARIES:=\
+ifndef CXXFLAGS
+  CXXFLAGS:=$(OPTLEVEL)
+endif
+
+CXXFLAGS:=$(CXXFLAGS) -Wall -Wextra -fno-exceptions -fno-rtti
+
+BINARIES:=\
 init \
 calc \
 cat \
@@ -31,21 +38,25 @@ head \
 tail \
 type \
 
-BINARIES:=$(addprefix $(INITRDDIR)/,$(LOCALBINARIES))
+all: $(BINARIES)
 
-all: install
+.PHONY: all install uninstall clean
 
-install: $(LOCALBINARIES)
-	cp $(LOCALBINARIES) $(INITRDDIR)
-	rm -f $(LOCALBINARIES)
+install: all
+	mkdir -p $(INSTALLBINDIR)/$(HOST)
+	install $(BINARIES) $(INSTALLBINDIR)/$(HOST)
+
+uninstall:
+	for FILE in $(INSTALLBINDIR); do \
+		rm -f $(INSTALLBINDIR)/$(HOST)/$$FILE; \
+	done
 
 %: %.cpp
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -O2 -c $< -o $@.o
-	$(LD) $(LDFLAGS) $@.o -o $@ $(LIBS)
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) $< -o $@
 
 sh: mxsh
 	cp $< $@
 
 clean:
-	rm -f $(BINARIES) $(LOCALBINARIES) *.o
+	rm -f $(BINARIES) *.o
 
diff --git a/version.mak b/version.mak
new file mode 100644
index 00000000..5ee5be1f
--- /dev/null
+++ b/version.mak
@@ -0,0 +1 @@
+VERSION=0.8dev