# $Id: Makefile.kmk 78176 2019-04-17 16:28:47Z vboxsync $
## @file
# Some hacks to allow syntax and prerequisite include checking of headers.
# This makefile doesn't and shouldn't build successfully.
#

#
# Copyright (C) 2006-2019 Oracle Corporation
#
# This file is part of VirtualBox Open Source Edition (OSE), as
# available from http://www.virtualbox.org. This file is free software;
# you can redistribute it and/or modify it under the terms of the GNU
# General Public License (GPL) as published by the Free Software
# Foundation, in version 2 as it comes in the "COPYING" file of the
# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
#

SUB_DEPTH = ..
include $(KBUILD_PATH)/subheader.kmk

LIBRARIES += SyntaxVBoxIncludeR3 SyntaxVBoxIncludeR0

# Omit headers that are using C++ features and upsets gcc.
VBOX_HDRS_CPP_FEATURES := \
	VBox/vmm/hm.h \
	VBox/vmm/hm_vmx.h \
	VBox/HostServices/GuestControlSvc.h \
	VBox/HostServices/DragAndDropSvc.h \
	VBox/HostServices/Service.h \
	VBox/GuestHost/GuestControl.h \
	VBox/GuestHost/DragAndDrop.h \
	VBox/dbus.h \
	VBox/VBoxCrHgsmi.h \
	VBox/VBoxGuestLibSharedFoldersInline.h \
	VBox/VBoxPktDmp.h \
	VBox/VBoxUhgsmi.h \
	iprt/cpp/%

# Omit headers that are C++ and ring-3.
VBOX_HDRS_R3_CPP := \
	VBox/dbggui.h \
	VBox/settings.h \
	VBox/com/Guid.h \
	iprt/cpp/% \
	VBox/com/% \
	$(subst $(PATH_SUB_CURRENT)/,,$(wildcard $(PATH_SUB_CURRENT)/iprt/*_cpp.h))

# Ring-3 only headers.
VBOX_HDRS_R3_ONLY := \
	VBox/vrdpapi.h \
	VBox/vrdpusb.h \
	VBox/VBoxHDD.h \
	VBox/VBoxHDD-Plugin.h \
	VBox/VBoxCrHgsmi.h \
	VBox/VBoxUhgsmi.h \
	VBox/VBoxNetCfg-win.h \
	VBox/VBoxDrvCfg-win.h \
	VBox/dbus.h \
	$(if-expr "$(KBUILD_TARGET)" == "win",VBox/usblib.h,) \
	VBox/usblib-win.h \
	VBox/vd.h \
	VBox/vd-cache-backend.h \
	VBox/vd-ifs.h \
	VBox/vd-ifs-internal.h \
	VBox/vd-image-backend.h \
	VBox/vd-plugin.h \
	VBox/vd-filter-backend.h \
	VBox/vddbg.h \
	VBox/vmm/uvm.h \
	VBox/vscsi.h \
	VBox/ExtPack/% \
	VBox/GuestHost/SharedClipboard-win.h \
	VBox/GuestHost/DragAndDrop.h \
	VBox/HostServices/Service.h \
	iprt/win/% \
	iprt/alloca.h \
	iprt/tcp.h \
	iprt/localipc.h \
	iprt/linux/sysfs.h \
	iprt/socket.h \
	iprt/udp.h \
	iprt/fuzz.h \
       iprt/linux/symvers.h

# Ring-0 driver only headers.
VBOX_HDRS_R0DRV_ONLY := \
	VBox/VBoxGuestLibSharedFolders.h \
	VBox/VBoxGuestLibSharedFoldersInline.h

# GCC only headers.
VBOX_HDRS_GCC_ONLY := \
	iprt/nocrt/fenv.h \
	iprt/nocrt/math.h

# Headers to omit all together.
VBOX_HDRS_OMIT := \
	VBox/HostServices/glext.h \
	VBox/HostServices/glxext.h \
	VBox/HostServices/wglext.h \
	VBox/VBoxGL2D.h \
	$(if-expr "$(KBUILD_TARGET)" != "solaris", \
		VBox/usblib-solaris.h \
	,)\
	VBox/VDEPlug.h \
	VBox/VDEPlugSymDefs.h \
	VBox/VBoxNetCmn-win.h \
	$(if-expr "$(KBUILD_TARGET)" != "win", \
		VBox/com/microatl.h \
		VBox/GuestHost/SharedClipboard-win.h \
		VBox/usblib-win.h \
		VBox/VBoxDrvCfg-win.h \
		VBox/VBoxNetCfg-win.h \
	,$(VBOX_HDRS_GCC_ONLY)) \
	\
	VBox/dbus-calls.h \
	VBox/VBoxKeyboard.h \
	VBox/vmm/pdmpcidevint.h \
	iprt/runtime-loader.h \
	iprt/mangling.h \
       $(subst $(PATH_SUB_CURRENT)/,,$(wildcard $(PATH_SUB_CURRENT)/iprt/asm*watcom*.h)) \
       iprt/asn1-generator% \
       iprt/win/% \
       iprt/nt/% \
       \
	$(foreach os,$(filter-out $(KBUILD_TARGET),$(KBUILD_OSES)),iprt/$(os)/% VBox/$(os)/%) \
	$(foreach arch,$(KBUILD_ARCHES),iprt/nocrt/$(arch)/%)

# We omit a few headers which have platform specific issues or are templates.
VBOX_HDRS_ALL := $(filter-out $(VBOX_HDRS_OMIT), \
	$(subst $(PATH_SUB_CURRENT)/,,$(wildcard \
		$(PATH_SUB_CURRENT)/VBox/*.h \
		$(PATH_SUB_CURRENT)/VBox/*/*.h \
		$(PATH_SUB_CURRENT)/iprt/*.h \
		$(PATH_SUB_CURRENT)/iprt/*/*.h \
)))

# ring-3, ring-0 and raw-mode context specific exclusions.
VBOX_HDRS_ALL_R3      := $(filter-out $(VBOX_HDRS_R0DRV_ONLY), $(VBOX_HDRS_ALL))
VBOX_HDRS_ALL_R3_C    := $(filter-out $(VBOX_HDRS_CPP_FEATURES) $(VBOX_HDRS_R3_CPP), $(VBOX_HDRS_ALL_R3))
VBOX_HDRS_ALL_R0      := $(filter-out $(VBOX_HDRS_R3_CPP) $(VBOX_HDRS_R3_ONLY) $(VBOX_HDRS_R0DRV_ONLY), $(VBOX_HDRS_ALL))
VBOX_HDRS_ALL_R0_C    := $(filter-out $(VBOX_HDRS_CPP_FEATURES), $(VBOX_HDRS_ALL_R0))
VBOX_HDRS_ALL_R0DRV   := $(filter-out $(VBOX_HDRS_R3_CPP) $(VBOX_HDRS_R3_ONLY), $(VBOX_HDRS_ALL))
VBOX_HDRS_ALL_R0DRV_C := $(filter-out $(VBOX_HDRS_CPP_FEATURES), $(VBOX_HDRS_ALL_R0DRV))
VBOX_HDRS_ALL_RC      := $(filter-out \
	VBox/VBoxGuestLib.h \
	VBox/vmm/gvm.h \
	iprt/thread.h \
	iprt/mem.h \
	iprt/memsafer.h \
	iprt/alloc.h \
	iprt/vector.h \
	$(VBOX_HDRS_R3_CPP) \
	$(VBOX_HDRS_R3_ONLY) \
	$(VBOX_HDRS_R0DRV_ONLY) \
	, $(VBOX_HDRS_ALL))
VBOX_HDRS_ALL_RC_C := $(filter-out $(VBOX_HDRS_CPP_FEATURES), $(VBOX_HDRS_ALL_RC))
#$(error $(subst $(SP),$(NLTAB),$(strip $(sort $(VBOX_HDRS_ALL_RC_C)))))

SyntaxVBoxIncludeR3_TEMPLATE = VBOXMAINEXE
SyntaxVBoxIncludeR3_DEFS = VBOX_WITH_HGCM
SyntaxVBoxIncludeR3_CDEFS = IPRT_WITHOUT_NAMED_UNIONS_AND_STRUCTS
SyntaxVBoxIncludeR3_SOURCES := \
	$(addprefix $(PATH_OBJ)/include/c/,  $(addsuffix .c,  $(basename $(VBOX_HDRS_ALL_R3_C)))) \
	$(addprefix $(PATH_OBJ)/include/cpp/,$(addsuffix .cpp,$(basename $(VBOX_HDRS_ALL_R3))))
SyntaxVBoxIncludeR3_CLEAN = $(SyntaxVBoxIncludeR3_SOURCES)
#$(error $(subst $(SP),$(NLTAB),$(strip $(sort $(SyntaxVBoxIncludeR3_SOURCES)))))

SyntaxVBoxIncludeR0_TEMPLATE = VBoxR0
SyntaxVBoxIncludeR0_DEFS = VBOX_WITH_HGCM
SyntaxVBoxIncludeR0_CDEFS = IPRT_WITHOUT_NAMED_UNIONS_AND_STRUCTS
SyntaxVBoxIncludeR0_SOURCES := \
	$(addprefix $(PATH_OBJ)/include/c/,  $(addsuffix .c,  $(basename $(VBOX_HDRS_ALL_R0_C)))) \
	$(addprefix $(PATH_OBJ)/include/cpp/,$(addsuffix .cpp,$(basename $(VBOX_HDRS_ALL_R0))))
SyntaxVBoxIncludeR0_CLEAN = $(SyntaxVBoxIncludeR0_SOURCES)

if1of ($(KBUILD_TARGET), darwin os2 solaris win)
LIBRARIES += SyntaxVBoxIncludeR0Drv
SyntaxVBoxIncludeR0Drv_TEMPLATE = VBoxR0DrvLib
SyntaxVBoxIncludeR0Drv_SDKS.win = ReorderCompilerIncs $(VBOX_WINDDK) $(VBOX_WINPSDK)INCS
SyntaxVBoxIncludeR0Drv_DEFS = VBOX_WITH_HGCM
SyntaxVBoxIncludeR0Drv_CDEFS = IPRT_WITHOUT_NAMED_UNIONS_AND_STRUCTS
SyntaxVBoxIncludeR0Drv_SOURCES := \
	$(addprefix $(PATH_OBJ)/include/c/,  $(addsuffix .c,  $(basename $(VBOX_HDRS_ALL_R0DRV_C)))) \
	$(addprefix $(PATH_OBJ)/include/cpp/,$(addsuffix .cpp,$(basename $(VBOX_HDRS_ALL_R0DRV))))
SyntaxVBoxIncludeR0Drv_CLEAN = $(SyntaxVBoxIncludeR0Drv_SOURCES)
endif

ifdef VBOX_WITH_RAW_MODE
LIBRARIES += SyntaxVBoxIncludeRC
SyntaxVBoxIncludeRC_TEMPLATE = VBoxRc
SyntaxVBoxIncludeRC_DEFS = VBOX_WITH_HGCM
SyntaxVBoxIncludeRC_CDEFS = IPRT_WITHOUT_NAMED_UNIONS_AND_STRUCTS
SyntaxVBoxIncludeRC_SOURCES := \
	$(addprefix $(PATH_OBJ)/include/c/,  $(addsuffix .c,  $(basename $(VBOX_HDRS_ALL_RC_C)))) \
	$(addprefix $(PATH_OBJ)/include/cpp/,$(addsuffix .cpp,$(basename $(VBOX_HDRS_ALL_RC))))
SyntaxVBoxIncludeRC_CLEAN = $(SyntaxVBoxIncludeRC_SOURCES)
endif


# Headers that must only be included once.
VBOX_HDRS_ONLY_ONCE := \
	iprt/bldprog-strtab-template.cpp.h


# Generate the files we compile.
define def_hdr
 $(eval functioname := $(translate $(basename $(hdr)),-./,___))

 $$(PATH_OBJ)/include/c/$(basename $(hdr)).c: | $$$$(dir $$$$@)
	$(QUIET)$$(APPEND) -t -n $$@ \
		'#include <$(hdr)>' \
		$(if-expr $(intersects $(hdr),$(VBOX_HDRS_ONLY_ONCE)),, '#include <$(hdr)>') \
		'extern int $(functioname)_c(void);' \
		'int $(functioname)_c(void) { return 0;}'

 $$(PATH_OBJ)/include/cpp/$(basename $(hdr)).cpp: | $$$$(dir $$$$@)
	$(QUIET)$$(APPEND) -t -n $$@ \
		'#include <$(hdr)>' \
		$(if-expr $(intersects $(hdr),$(VBOX_HDRS_ONLY_ONCE)),, '#include <$(hdr)>') \
		'extern int $(functioname)_cpp(void);' \
		'int $(functioname)_cpp(void) { return 0;}'

endef

$(foreach hdr,$(VBOX_HDRS_ALL), $(eval $(def_hdr)))

# Tell kBuild to generate rules for making the directories for the generated files.
VBOX_HDR_DIRS := $(sort $(dir $(VBOX_HDRS_ALL)))
BLDDIRS += $(addprefix $(PATH_OBJ)/include/c/,$(VBOX_HDR_DIRS)) $(addprefix $(PATH_OBJ)/include/cpp/,$(VBOX_HDR_DIRS))


include $(FILE_KBUILD_SUB_FOOTER)