diff --git a/Makefile b/Makefile
index 8455205..0a70a05 100644
--- a/Makefile
+++ b/Makefile
@@ -1,64 +1,14 @@
-# Makefile for putty puttyparser parser for ADP
+linux:
+	$(MAKE) $(MFLAGS) linux-dep
+	$(MAKE) $(MFLAGS) linux-all
+	$(MAKE) $(MFLAGS) linux-install
 
-libdir=$(PREFIX)/lib
-incdir=$(PREFIX)/include
 
-CFLAGS = -O2 -Wall -g -I. -I./ -I./charset/ -I./unix -I$(incdir) -fPIC -DNO_GSSAPI
-CCFLAGS = $(CFLAGS)
-INSTALL = install
 
-TARGET=libtermcapparser.so
-HEADER_DIR=putty
-HEADERS=$(HEADER_DIR)/termcapparser.hh $(HEADER_DIR)/state.hh $(HEADER_DIR)/row.hh $(HEADER_DIR)/cell.hh $(HEADER_DIR)/palette.hh
-LDFLAGS+=-shared
+linux-%:
+	$(MAKE) $(MFLAGS) -f Makefile.linux $*
 
-CXX_OBJS = puttyparser.cc termcapparser.cc state.cc cell.cc row.cc palette.cc
+help:
+	@cat README.md
 
-C_OBJS = charset/fromucs.c ldisc.c ldiscucs.c charset/localenc.c charset/mimeenc.c minibidi.c misc.c charset/sbcs.c charset/sbcsdat.c charset/slookup.c terminal.c time.c fake_timing.c charset/toucs.c tree234.c charset/utf8.c unix/uxmisc.c unix/uxucs.c wcwidth.c charset/xenc.c
-
-OBJECTS = $(notdir $(CXX_OBJS:.cc=.o) $(C_OBJS:.c=.o))
-
-all: $(TARGET)
-
-$(TARGET): $(OBJECTS)
-	$(CXX) -fPIC $(LDFLAGS) -o $@ $(OBJECTS)
-
-$(CXX_OBJS:.cc=.o):
-	$(CXX) $(COMPAT) $(CCFLAGS) -c $<
-
-$(notdir $(C_OBJS:.c=.o)):
-	$(CC) $(COMPAT) $(CFLAGS) $(XFLAGS) -c $<
-
-
-install: $(TARGET)
-	mkdir -p $(DESTDIR)$(libdir)
-	mkdir -p $(DESTDIR)$(incdir)/$(HEADER_DIR)
-	$(INSTALL) -m 755 $(TARGET) $(DESTDIR)$(libdir)/$(TARGET)
-	$(INSTALL) -m 644 $(HEADERS) -t $(DESTDIR)$(incdir)/$(HEADER_DIR)
-
-uninstall:
-	rm -f $(DESTDIR)$(libdir)/$(TARGET)
-	rm -f $(DESTDIR)$(incdir)/$(HEADERS)
-	rmdir $(DESTDIR)$(incdir)/$(HEADER_DIR) 2>/dev/null || true
-	rmdir $(DESTDIR)$(libdir) 2>/dev/null || true
-
-install-strip:
-	$(MAKE) install INSTALL="$(INSTALL) -s"
-
-clean:
-	rm -f $(OBJECTS) $(TARGET)
-	$(MAKE) -C tests clean
-
-distclean: clean
-	rm -f Makefile.*
-
-check: install
-	$(MAKE) -C tests
-
-NODEP_TARGETS =
-
-dep: $(C_OBJS) $(CXX_OBJS)
-	$(CC) -MM $(COMPAT) $(CFLAGS) $(XFLAGS) $^ > Makefile.dep
-ifeq ($(filter $(MAKECMDGOALS),$(NODEP_TARGETS)),)
--include Makefile.dep
-endif
+.PHONY: linux win32 help
diff --git a/Makefile.head b/Makefile.head
new file mode 100644
index 0000000..7b58fd6
--- /dev/null
+++ b/Makefile.head
@@ -0,0 +1,13 @@
+libdir=$(PREFIX)/lib
+incdir=$(PREFIX)/include
+
+CFLAGS_COMMON = -O2 -Wall -g -I./ -I./charset/ -DNO_GSSAPI
+INSTALL = install
+
+HEADER_DIR=putty
+HEADERS=$(HEADER_DIR)/termcapparser.hh $(HEADER_DIR)/state.hh $(HEADER_DIR)/row.hh $(HEADER_DIR)/cell.hh $(HEADER_DIR)/palette.hh
+LDFLAGS+=-shared
+
+CXX_OBJS = puttyparser.cc termcapparser.cc state.cc cell.cc row.cc palette.cc
+
+C_OBJS_COMMON = ldisc.c ldiscucs.c minibidi.c misc.c terminal.c time.c fake_timing.c tree234.c wcwidth.c charset/utf8.c charset/sbcsdat.c charset/fromucs.c charset/localenc.c charset/mimeenc.c charset/sbcs.c charset/slookup.c charset/toucs.c charset/xenc.c
diff --git a/Makefile.linux b/Makefile.linux
new file mode 100644
index 0000000..56163fa
--- /dev/null
+++ b/Makefile.linux
@@ -0,0 +1,11 @@
+include Makefile.head
+
+TARGET_OS=linux
+
+CFLAGS = $(CFLAGS_COMMON) -I./unix -fPIC
+
+TARGET=libtermcapparser.so
+
+C_OBJS = $(C_OBJS_COMMON) unix/uxmisc.c unix/uxucs.c
+
+include Makefile.tail
diff --git a/Makefile.tail b/Makefile.tail
new file mode 100644
index 0000000..4180c9b
--- /dev/null
+++ b/Makefile.tail
@@ -0,0 +1,48 @@
+OBJECTS = $(notdir $(CXX_OBJS:.cc=.o) $(C_OBJS:.c=.o))
+CCFLAGS = $(CFLAGS)
+MAKEFILE_DEP = Makefile.$(TARGET_OS).dep
+
+all: $(TARGET)
+
+$(TARGET): $(OBJECTS)
+	$(CXX) $(LDFLAGS) -o $@ $(OBJECTS)
+
+$(CXX_OBJS:.cc=.o):
+	$(CXX) $(COMPAT) $(CCFLAGS) -c $<
+
+$(notdir $(C_OBJS:.c=.o)):
+	$(CC) $(COMPAT) $(CFLAGS) $(XFLAGS) -c $<
+
+
+install: $(TARGET)
+	mkdir -p $(DESTDIR)$(libdir)
+	mkdir -p $(DESTDIR)$(incdir)/$(HEADER_DIR)
+	$(INSTALL) -m 755 $(TARGET) $(DESTDIR)$(libdir)/$(TARGET)
+	$(INSTALL) -m 644 $(HEADERS) -t $(DESTDIR)$(incdir)/$(HEADER_DIR)
+
+uninstall:
+	rm -f $(DESTDIR)$(libdir)/$(TARGET)
+	rm -f $(DESTDIR)$(incdir)/$(HEADERS)
+	rmdir $(DESTDIR)$(incdir)/$(HEADER_DIR) 2>/dev/null || true
+	rmdir $(DESTDIR)$(libdir) 2>/dev/null || true
+
+install-strip:
+	$(MAKE) $(MFLAGS) install INSTALL="$(INSTALL) -s"
+
+check: install
+	$(MAKE) $(MFLAGS) -C tests -f Makefile.$(TARGET_OS)
+
+clean:
+	rm -f $(OBJECTS) $(TARGET)
+	$(MAKE) $(MFLAGS) -C tests -f Makefile.$(TARGET_OS) clean
+
+distclean: clean
+	rm -f $(MAKEFILE_DEP)
+
+NODEP_TARGETS =
+
+dep: $(C_OBJS) $(CXX_OBJS)
+	$(CC) -MM $(COMPAT) $(CFLAGS) $(XFLAGS) $^ >$(MAKEFILE_DEP)
+ifeq ($(filter $(MAKECMDGOALS),$(NODEP_TARGETS)),)
+-include $(MAKEFILE_DEP)
+endif
diff --git a/balabit-build b/balabit-build
index 90ca6ee..c15d170 100755
--- a/balabit-build
+++ b/balabit-build
@@ -22,10 +22,10 @@ case "$cmd" in
     # No bootstrap
     ;;
   configure)
-    make PREFIX=$ZWA_MODULE_INSTALL_DIR dep
+    make -f Makefile.linux PREFIX=$ZWA_MODULE_INSTALL_DIR dep
     ;;
   make)
-    make PREFIX=$ZWA_MODULE_INSTALL_DIR "$@"
+    make -f Makefile.linux PREFIX=$ZWA_MODULE_INSTALL_DIR "$@"
     ;;
   *)
     echo "Unknown command: '$cmd'." >&2
diff --git a/debian/rules b/debian/rules
index d461fae..4a36994 100755
--- a/debian/rules
+++ b/debian/rules
@@ -13,12 +13,12 @@ endif
 
 build:
 	dh_testdir
-	$(MAKE) dep
-	$(MAKE) libtermcapparser.so
+	$(MAKE) linux-dep
+	$(MAKE) linux-libtermcapparser.so
 
 clean:
 	dh_testdir
-	-$(MAKE) clean
+	-$(MAKE) linux-clean
 	dh_clean
 
 
diff --git a/tests/Makefile b/tests/Makefile.linux
similarity index 68%
rename from tests/Makefile
rename to tests/Makefile.linux
index 0ea2658..d9e899d 100644
--- a/tests/Makefile
+++ b/tests/Makefile.linux
@@ -1,12 +1,12 @@
 CXXFLAGS= -I$(PREFIX)/include -O0 -g -Wall -I..
-LDFLAGS = -L$(PREFIX)/lib -lpthread -ltermcapparser -L.. -L/usr/lib -lgmock -lgtest -lpthread
+LDFLAGS = -L$(PREFIX)/lib -ltermcapparser -L/usr/lib -lgmock -lgtest -lpthread
 OBJECTS = test.o cell.o row.o state.o palette.o termcapparser.o
 
 all: test runtest
 
 .PHONY:
 runtest: test
-	./test
+	LD_LIBRARY_PATH=$(PREFIX)/lib:${LD_LIBRARY_PATH} ./test
 
 .PHONY:
 clean: