--- a/src/Makefile
+++ b/src/Makefile
@@ -1385,6 +1385,20 @@ CARBONGUI_BUNDLE = gui_bundle
 APPDIR = $(VIMNAME).app
 CARBONGUI_TESTARG = VIMPROG=../$(APPDIR)/Contents/MacOS/$(VIMTARGET)
 
+### Haiku GUI
+HAIKUGUI_SRC	= gui.c gui_haiku.cc
+HAIKUGUI_OBJ	= objects/gui.o objects/gui_haiku.o
+HAIKUGUI_DEFS	= -DFEAT_GUI_HAIKU
+HAIKUGUI_IPATH	=
+HAIKUGUI_LIBS_DIR =
+HAIKUGUI_LIBS1	= -lbe -lroot -ltracker -ltranslation -lsupc++ -lstdc++
+HAIKUGUI_LIBS2	=
+HAIKUGUI_INSTALL = install_normal install_haiku_extra
+HAIKUGUI_TARGETS	= installglinks_haiku
+HAIKUGUI_MAN_TARGETS =
+HAIKUGUI_TESTTARGET = gui
+HAIKUGUI_BUNDLE =
+
 # All GUI files
 ALL_GUI_SRC  = gui.c gui_gtk.c gui_gtk_f.c gui_motif.c gui_xmdlg.c gui_xmebw.c gui_athena.c gui_gtk_x11.c gui_x11.c gui_at_sb.c gui_at_fs.c
 ALL_GUI_PRO  = gui.pro gui_gtk.pro gui_motif.pro gui_xmdlg.pro gui_athena.pro gui_gtk_x11.pro gui_x11.pro gui_w32.pro gui_photon.pro
@@ -3217,6 +3231,9 @@ objects/gui_gtk_gresources.o: auto/gui_g
 objects/gui_gtk_x11.o: gui_gtk_x11.c
 	$(CCC) -o $@ gui_gtk_x11.c
 
+objects/gui_haiku.o: gui_haiku.cc
+	$(CCC) -o $@ gui_haiku.cc
+
 objects/gui_motif.o: gui_motif.c
 	$(CCC) -o $@ gui_motif.c
 
@@ -3349,6 +3366,9 @@ objects/os_beos.o: os_beos.c
 objects/os_qnx.o: os_qnx.c
 	$(CCC) -o $@ os_qnx.c
 
+objects/os_haiku.rsrc: os_haiku.rdef
+	cat $< | $(CCC) -E - | grep -v '^#' | rc -o "$@" -
+
 objects/os_macosx.o: os_macosx.m
 	$(CCC) -o $@ os_macosx.m
 
@@ -3617,6 +3637,61 @@ bundle-language: bundle-dir
 objects/gui_gtk_x11.o: version.h
 
 ###############################################################################
+#
+# Haiku installation
+#
+# This rule:
+#		- add resources to already installed vim binary to avoid
+#		  stripping them during install;
+#		- copy rgb.txt to runtime directory;
+#		- update system MIME database with info about vim application.
+#
+install_haiku_extra: $(DEST_BIN)/$(VIMTARGET) objects/os_haiku.rsrc
+	xres -o $(DEST_BIN)/$(VIMTARGET) objects/os_haiku.rsrc
+	$(INSTALL_DATA) $(SCRIPTSOURCE)/rgb.txt $(DEST_RT)
+	mimeset	$(DEST_BIN)/$(VIMTARGET)
+
+# List of g*-links that should be replaced with shell script equivalents.
+# This solves the problem of them from Tracker.
+#
+HAIKU_GLINKS = 	$(DEST_BIN)/$(GVIMTARGET) \
+				$(DEST_BIN)/$(GVIEWTARGET) \
+				$(DEST_BIN)/$(GVIMDIFFTARGET) \
+				$(DEST_BIN)/$(RGVIMTARGET) \
+				$(DEST_BIN)/$(RGVIEWTARGET)
+
+# This rule:
+#		- Replace gvim link with copy of vim binary.
+#		- Replace g*-links with shell script equivalents to solve the
+#		  problem of calling them from Tracker,
+#		- Add icon resources to mentioned g*-link shell scripts
+#		- in case gui-less vim.con executable available use it.
+#
+installglinks_haiku: $(HAIKU_GLINKS) install_haiku_extra
+	@catattr -r "BEOS:ICON" $(DEST_BIN)/$(GVIMTARGET) > ~icon.attr
+	for i in $(HAIKU_GLINKS); do \
+		rm $$i ; \
+		echo "#!/bin/sh" > $$i ; \
+		case $$i in \
+			$(DEST_BIN)/$(GVIMTARGET)) \
+				cp $(DEST_BIN)/$(VIMTARGET) $$i ; \
+				if [ -f $(VIMTARGET).con ] ; then \
+					$(STRIP) $(VIMTARGET).con ; \
+					mv $(VIMTARGET).con $(DEST_BIN)/$(VIMTARGET) ; \
+				fi ;; \
+			$(DEST_BIN)/$(GVIEWTARGET))    printf "%s -R %c%c" $(GVIMTARGET) '$$' '*' >> $$i;; \
+			$(DEST_BIN)/$(GVIMDIFFTARGET)) printf "%s -d %c%c" $(GVIMTARGET) '$$' '*' >> $$i;; \
+			$(DEST_BIN)/$(RGVIMTARGET))    printf "%s -Z %c%c" $(GVIMTARGET) '$$' '*' >> $$i;; \
+			$(DEST_BIN)/$(RGVIEWTARGET))   printf "%s -Z -R %c%c" $(GVIMTARGET) '$$' '*' >> $$i;; \
+			*) printf "%s %c%c" $(GVIMTARGET) '$$' '*' >> $$i;; \
+		esac ; \
+		chmod $(BINMOD) $$i ; \
+		addattr -f ~icon.attr  -t \'VICN\' BEOS:ICON $$i ; \
+	done
+	addattr -f ~icon.attr  -t \'VICN\' BEOS:ICON $(DEST_BIN)/$(VIMNAME)tutor
+	@rm ~icon.attr
+
+###############################################################################
 ### (automatically generated by 'make depend')
 ### Dependencies:
 objects/arabic.o: arabic.c vim.h protodef.h auto/config.h feature.h os_unix.h \