# $Id: qt4.kmk 1680 2008-07-14 10:04:18Z bird $
## @file
# Qt 4 unit.
#

#
# Copyright (c) 2008 knut st. osmundsen <bird-src-spam@anduin.net>
#
# This file is part of kBuild.
#
# kBuild is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# kBuild is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with kBuild; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
#
#

UNIT_qt4 = qt4

# Add our target properties.
PROPS_SINGLE += QTTOOL MOCTOOL UICTOOL RCCTOOL LRCTOOL QT_TRANSLATIONS_INST QT_TRANSLATIONS_TEMPLATE QT_PREFIX
PROPS_ACCUMULATE_R += MOCDEFS MOCFLAGS UICFLAGS RCCFLAGS LRCFLAGS QT_TRANSLATIONS QT_MOCSRCS QT_MOCHDRS QT_MODULES


#
# The QT4 SDK.
#
# This is implemented here rather than in sdks/QT4.kmk to enforce the global USES.
# It also makes things easier to develop, with fewer files I mean.
#
## @todo the SDK might actually not be necessary as it turns out... For now it servers
# a purpose if the host differs from the target, in theory at least.
SDK_QT4 = Qt4

# SDK Specific Properties
ifndef PATH_SDK_QT4
 PATH_SDK_QT4 := $(firstword $(rsort $(wildcard $(PATH_DEVTOOLS_TRG)/qt/v4*)))
 ifeq ($(PATH_SDK_QT4),)
  # If target == host, try look for Qt in the various platform specific places.
  ifeq ($(KBUILD_TARGET),$(KBUILD_HOST))
   ifeq ($(KBUILD_TARGET),darwin)
    PATH_SDK_QT4 := $(patsubst %/Frameworks/QtCore.framework/Versions/4,%,$(firstword $(wildcard /Library/Frameworks/QtCore.framework/Versions/4)))
   else ifeq ($(KBUILD_TARGET),win)
    # No idea here yet...
   else
    # The Unices. Includes and esp. libs are tricky, so override the PATH_SDK_QT4_LIB* stuff if it doesn't work.
    PATH_SDK_QT4 := $(patsubst %/bin/qt3to4,%,$(firstword $(wildcard /usr/bin/qt3to4 /usr/local/bin/qt3to4 /usr/qt/4/bin/qt3to4)))
    ifneq ($(PATH_SDK_QT4),)
     ifeq ($(PATH_SDK_QT4_INC),)
      PATH_SDK_QT4_INC := $(patsubst %/QtCore/qglobal.h,%,$(firstword $(wildcard $(PATH_SDK_QT4)/include/QtCore/qglobal.h $(PATH_SDK_QT4)/include/qt4/QtCore/qglobal.h)))
     endif
     ifeq ($(PATH_SDK_QT4_LIB.x86),)
      PATH_SDK_QT4_LIB.x86   := $(patsubst %/libQtCore$(SUFF_DLL),%,$(firstword $(wildcard \
	$(PATH_SDK_QT4)/lib32/libQtCore$(SUFF_DLL) \
	$(PATH_SDK_QT4)/lib32/qt4/libQtCore$(SUFF_DLL) \
	$(PATH_SDK_QT4)/lib/libQtCore$(SUFF_DLL) \
	$(PATH_SDK_QT4)/lib/qt4/libQtCore$(SUFF_DLL) \
	)))
     endif
     ifeq ($(PATH_SDK_QT4_LIB.amd64),)
      PATH_SDK_QT4_LIB.amd64 := $(patsubst %/libQtCore$(SUFF_DLL),%,$(firstword $(wildcard \
	$(PATH_SDK_QT4)/lib64/libQtCore$(SUFF_DLL) \
	$(PATH_SDK_QT4)/lib64/qt4/libQtCore$(SUFF_DLL) \
	$(PATH_SDK_QT4)/lib/amd64/libQtCore$(SUFF_DLL) \
	$(PATH_SDK_QT4)/lib/libQtCore$(SUFF_DLL) \
	$(PATH_SDK_QT4)/lib/qt4/libQtCore$(SUFF_DLL) \
	)))
     endif
     ifeq ($(PATH_SDK_QT4_LIB),)
      PATH_SDK_QT4_LIB := $(PATH_SDK_QT4_LIB.$(KBUILD_TARGET))
      ifeq ($(PATH_SDK_QT4_LIB),)
       PATH_SDK_QT4_LIB := $(patsubst %/libQtCore$(SUFF_DLL),%,$(firstword $(wildcard \
	$(PATH_SDK_QT4)/lib/libQtCore$(SUFF_DLL) \
	$(PATH_SDK_QT4)/lib/qt4/libQtCore$(SUFF_DLL) \
	)))
      endif
     endif
    endif
   endif # Unices
  endif
  # Found it?
  ifeq ($(PATH_SDK_QT4),)
   $(warning kBuild: Couldn't find the Qt4 headers and libaries...)
   PATH_SDK_QT4 := $(PATH_DEVTOOLS_TRG)/qt/not-found
  endif
 endif
else
 # Resolve any fancy stuff once and for all.
 PATH_SDK_QT4 := $(PATH_SDK_QT4)
endif

# Libraries can be in either Frameworks or lib depending on how you
# build it on the mac. The .dmg installs into Frameworks but builds into lib.
ifeq ($(KBUILD_TARGET),darwin)
 ifndef PATH_SDK_QT4_LIB
  ifneq ($(wildcard $(PATH_SDK_QT4)/Frameworks),)
   PATH_SDK_QT4_LIB ?= $(PATH_SDK_QT4)/Frameworks
  else
   PATH_SDK_QT4_LIB ?= $(PATH_SDK_QT4)/lib
  endif
 endif
else
 PATH_SDK_QT4_LIB ?= $(PATH_SDK_QT4)/lib
 PATH_SDK_QT4_INC ?= $(PATH_SDK_QT4)/include
endif

# The bits that kBuild picks up.
#  (nothing here)


#
# The QT4 tool.
#
# This is implemented here rather than in tools/QT4.kmk to enforce the global USES.
# It also makes things easier to develop, with fewer files I mean.
#
TOOL_QT4 = Qt4

# Tool Specific Properties
ifndef PATH_TOOL_QT4
 PATH_TOOL_QT4 := $(firstword $(rsort $(wildcard $(PATH_DEVTOOLS_BLD)/qt/v4*)))
 # If not found, we'll enter the 'pathless' mode.
else
 # Resolve any fancy stuff once and for all.
 PATH_TOOL_QT4 := $(PATH_TOOL_QT4)
endif
ifneq ($(PATH_TOOL_QT4),)
 PATH_TOOL_QT4_BIN  ?= $(PATH_TOOL_QT4)/bin
 TOOL_QT4_MOC       ?= $(PATH_TOOL_QT4_BIN)/moc$(HOST_SUFF_EXE)
 TOOL_QT4_UIC       ?= $(PATH_TOOL_QT4_BIN)/uic$(HOST_SUFF_EXE)
 TOOL_QT4_RCC       ?= $(PATH_TOOL_QT4_BIN)/rcc$(HOST_SUFF_EXE)
 TOOL_QT4_LRC       ?= $(PATH_TOOL_QT4_BIN)/lrelease$(HOST_SUFF_EXE)
 TOOL_QT4_LUPDATE   ?= $(PATH_TOOL_QT4_BIN)/lupdate$(HOST_SUFF_EXE)
else
 # Pathless, relies on the environment.
 TOOL_QT4_MOC       ?= moc$(HOST_SUFF_EXE)
 TOOL_QT4_UIC       ?= uic$(HOST_SUFF_EXE)
 TOOL_QT4_RCC       ?= rcc$(HOST_SUFF_EXE)
 TOOL_QT4_LRC       ?= lrelease$(HOST_SUFF_EXE)
 TOOL_QT4_LUPDATE   ?= lupdate$(HOST_SUFF_EXE)
endif

# General Properties used by kBuild and/or units/qt.kmk
TOOL_QT4_MOCFLAGS           ?=
TOOL_QT4_MOCINCS            ?=
TOOL_QT4_MOCDEFS            ?=
TOOL_QT4_MOCDEFS.darwin     ?= __APPLE__ __GNUC__
TOOL_QT4_MOCDEFS.solaris    ?= __sun
TOOL_QT4_MOCDEFS.win.amd64  ?= WIN64
TOOL_QT4_MOCDEFS.win.x86    ?= WIN32


## MOC a C++ source file.
# @param    $(target)   Normalized main target name.
# @param    $(source)   Source filename (relative).
# @param    $(out)      Object file name. This shall be (re)created by the compilation.
# @param    $(dep)      Dependcy file. This may be (re)created by the compilation.
# @param    $(flags)    Flags.
# @param    $(defs)     Definitions.
# @param    $(incs)     Includes.
# @param    $(outbase)  Output basename (full). Use this for list files and such.
#
TOOL_QT4_MOC_CPP_DEPEND =
TOOL_QT4_MOC_CPP_DEPORD =
TOOL_QT4_MOC_CPP_OUTPUT =
TOOL_QT4_MOC_CPP_OUTPUT_MAYBE =
define TOOL_QT4_MOC_CPP_CMDS
	$(QUIET)$(TOOL_QT4_MOC)\
		$(flags)\
		$(addprefix -I, $(incs))\
		$(addprefix -D, $(defs))\
		-o $(out)\
		$(source)
endef

## MOC a C++ header file.
# @param    $(target)   Normalized main target name.
# @param    $(source)   Source filename (relative).
# @param    $(out)      Object file name. This shall be (re)created by the compilation.
# @param    $(dep)      Dependcy file. This may be (re)created by the compilation.
# @param    $(flags)    Flags.
# @param    $(defs)     Definitions.
# @param    $(incs)     Includes.
# @param    $(outbase)  Output basename (full). Use this for list files and such.
#
TOOL_QT4_MOC_HPP_DEPEND =
TOOL_QT4_MOC_HPP_DEPORD =
TOOL_QT4_MOC_HPP_OUTPUT =
TOOL_QT4_MOC_HPP_OUTPUT_MAYBE =
define TOOL_QT4_MOC_HPP_CMDS
	$(QUIET)$(TOOL_QT4_MOC)\
		$(flags)\
		$(addprefix -I, $(incs))\
		$(addprefix -D, $(defs))\
		-o $(out)\
		$(source)
endef

## Compile a Qt user interface file (.ui).
# @param    $(target)   Normalized main target name.
# @param    $(source)   Source filename (relative).
# @param    $(out)      Object file name. This shall be (re)created by the compilation.
# @param    $(dep)      Dependcy file. This may be (re)created by the compilation.
# @param    $(flags)    Flags.
# @param    $(defs)     Definitions.
# @param    $(incs)     Includes.
# @param    $(outbase)  Output basename (full). Use this for list files and such.
#
TOOL_QT4_UIC_UI_DEPEND =
TOOL_QT4_UIC_UI_DEPORD =
TOOL_QT4_UIC_UI_OUTPUT =
TOOL_QT4_UIC_UI_OUTPUT_MAYBE =
define TOOL_QT4_UIC_UI_CMDS
	$(QUIET)$(TOOL_QT4_UIC)\
		$(flags)\
		-o $(out)\
		$(source)
endef

## Compile a Qt resource file (.qrc).
# @param    $(target)   Normalized main target name.
# @param    $(source)   Source filename (relative).
# @param    $(out)      Object file name. This shall be (re)created by the compilation.
# @param    $(dep)      Dependcy file. This may be (re)created by the compilation.
# @param    $(flags)    Flags.
# @param    $(defs)     Definitions.
# @param    $(incs)     Includes.
# @param    $(outbase)  Output basename (full). Use this for list files and such.
#
# @remarks  The sed script generating the dependency file is a bit naive.
TOOL_QT4_RCC_QRC_DEPEND =
TOOL_QT4_RCC_QRC_DEPORD =
TOOL_QT4_RCC_QRC_OUTPUT =
TOOL_QT4_RCC_QRC_OUTPUT_MAYBE =
define TOOL_QT4_RCC_QRC_CMDS
	$(QUIET)$(TOOL_QT4_RCC)\
		$(flags)\
		-o $(out)\
		$(source)
	$(APPEND) $(dep) '$(source): \'
	$(SED) \
		-e '/^[[:blank:]]*<file[[:blank:]][^>]*>/!d' \
		-e 's/^.*<file[[:blank:]][^>]*>\([^<]*\)<\/file>.*$$$$/\1/' \
		-e 's|^[^/]|$(abspathex $(dir $(source)),$(defpath))/&|' \
		-e 's|$$$$| \\|' \
		--append $(dep) \
		$(source)
	$(APPEND) $(dep)
	$(SED) \
		-e '/^[[:blank:]]*<file[[:blank:]][^>]*>/!d' \
		-e 's/^.*<file[[:blank:]][^>]*>\([^<]*\)<\/file>.*$$$$/\1/' \
		-e 's|^[^/]|$(abspathex $(dir $(source)),$(defpath))/&|' \
		-e 's|$$$$|:\n|' \
		--append $(dep) \
		$(source)
	$(APPEND) $(dep)
endef

## Compile a Qt translation file (.ts).
# @param    $(target)   Normalized main target name.
# @param    $(source)   Source filename (relative).
# @param    $(out)      Object file name. This shall be (re)created by the compilation.
# @param    $(dep)      Dependcy file. This may be (re)created by the compilation.
# @param    $(flags)    Flags.
# @param    $(defs)     Definitions.
# @param    $(incs)     Includes.
# @param    $(outbase)  Output basename (full). Use this for list files and such.
#
TOOL_QT4_LRC_TS_DEPEND =
TOOL_QT4_LRC_TS_DEPORD =
TOOL_QT4_LRC_TS_OUTPUT =
TOOL_QT4_LRC_TS_OUTPUT_MAYBE =
define TOOL_QT4_LRC_TS_CMDS
	$(QUIET)$(TOOL_QT4_LRC)\
		$(flags)\
		$(source)\
		-qm $(out)
endef



#
#
# Back to the Qt4 unit.
#
#


## wrapper for the lrelease (LRC) command dependencies.
ifndef NO_COMPILE_CMDS_DEPS
 _UNIT_QT_LRC_CMDS_DEP = $$(comp-cmds-ex $$($(target)_$(subst :,_,$(source))_QT_LRC_CMDS_PREV_),$$(commands $(out)),FORCE)
else
 _UNIT_QT_LRC_CMDS_DEP =
endif

##
# def_unit_qt4_target_pre_handle_translation helper that is expanded before evaluation.
#
# This is necessary to resolve reference to local variables before doing
# assignments and setting up commands. They would otherwise be resolved
# later in a different context and the result would be completely wrong.
#
define def_unit_qt4_target_pre_handle_translation_dx

$(out) + $(more_output) +| $(maybe_output): \
		$(deps) \
		$(value _UNIT_QT_LRC_CMDS_DEP) \
		| \
		$(orderdeps)
	%$$(call MSG_TOOL,lrelease,$(target),$(source),$$@)
	$(QUIET2)$(RM) -f $(out) $(more_output) $(maybe_output) $(dep)

$(cmds)

ifndef NO_COMPILE_CMDS_DEPS
	%$$(QUIET2)$$(APPEND) '$(dep)'
	%$$(QUIET2)$$(APPEND) '$(dep)' 'define $(target)_$(subst :,_,$(source))_QT_LRC_CMDS_PREV_'
	%$$(QUIET2)$$(APPEND) -c '$(dep)' '$(out)'
	%$$(QUIET2)$$(APPEND) '$(dep)' 'endef'
endif

$(target)_OUT_FILES += $(out) $(more_output) $(maybe_output)
$(target)-inst-nls_SOURCES += $(out)

endef # def_unit_qt4_target_pre_handle_translation_dx

##
# Handle a source file listed in QT_TRANSLATIONS.
#
# The files listed in QT_TRANSLATIONS are translation files (.ts) which needs
# to be translated into .qm files that are loadble by Qt.
#
# @remarks Invoked via $(evalvalctx ).
define def_unit_qt4_target_pre_handle_translation
local type      := LRC

# fetch the properties.
local tool      := $(kb-src-tool dummy_var)
local qtnlsdir  := $(PATH_$(target))/qtnls
local outbase   := $(qtnlsdir)/$(notdir $(basename $(source)))
local out       := $(outbase).qm
local dep       := $(out).dep
local flags     := $(kb-src-prop FLAGS,dummy_var,right-to-left)
local deps      := $(kb-src-prop DEPS,dummy_var,left-to-right)
local orderdeps := $(call DIRDEP,$(dir $(outbase))) $(kb-src-prop ORDERDEPS,dummy_var,left-to-right)

# default path + source dep.
ifneq ($(defpath),)
local deps      := $(abspathex $(deps) $(source),$($(target)_PATH))
local incs      := $(abspathex $(incs),$($(target)_PATH))
else
local deps      += $(source)
endif

# call the tool
ifndef TOOL_$(tool)_LRC_TS_CMDS
 $(error kBuild: qt lrelease tool not found: TOOL_$(tool)_LRC_TS_CMDS)
endif
local cmds         := $(TOOL_$(tool)_LRC_TS_CMDS)
local more_output  := $(TOOL_$(tool)_LRC_TS_OUTPUT)
local maybe_output := $(TOOL_$(tool)_LRC_TS_OUTPUT_MAYBE)
local deps         += $(TOOL_$(tool)_LRC_TS_DEPEND)
local orderdeps    += $(TOOL_$(tool)_LRC_TS_DEPORD)

# generate the link rule and update some source and target variables.
ifndef NO_COMPILE_CMDS_DEPS
 $(eval includedep $(dep))
endif
$(eval $(def_unit_qt4_target_pre_handle_translation_dx))

endef # def_unit_qt4_target_pre_handle_translation



## wrapper for the UIC command dependencies.
ifndef NO_COMPILE_CMDS_DEPS
 _UNIT_QT_RCC_CMDS_DEP = $$(comp-cmds-ex $$($(target)_$(subst :,_,$(source))_QT_RCC_CMDS_PREV_),$$(commands $(out)),FORCE)
else
 _UNIT_QT_RCC_CMDS_DEP =
endif

##
# def_unit_qt4_target_pre_handle_qrc helper that is expanded before evaluation.
#
# This is necessary to resolve reference to local variables before doing
# assignments and setting up commands. They would otherwise be resolved
# later in a different context and the result would be completely wrong.
#
define def_unit_qt4_target_pre_handle_rcc_dx

$(out) +| $(realout) $(more_output) $(maybe_output): \
		$(deps) \
		$(value _UNIT_QT_RCC_CMDS_DEP) \
		| \
		$(orderdeps)
	%$$(call MSG_TOOL,rcc,$(target),$(source),$$@)
	$(QUIET2)$(RM) -f $(out) $(more_output) $(maybe_output) $(dep)

$(cmds)

	$(QUIET)$(CP) --changed -f $(out) $(realout)
ifndef NO_COMPILE_CMDS_DEPS
	%$$(QUIET2)$$(APPEND) '$(dep)'
	%$$(QUIET2)$$(APPEND) '$(dep)' 'define $(target)_$(subst :,_,$(source))_QT_RCC_CMDS_PREV_'
	%$$(QUIET2)$$(APPEND) -c '$(dep)' '$(out)'
	%$$(QUIET2)$$(APPEND) '$(dep)' 'endef'
endif

$(target)_INTERMEDIATES += $(realout)
$(target)_GEN_SOURCES_ += $(realout)
$(target)_OUT_FILES += $(out) $(realout) $(more_output) $(maybe_output)

endef # def_unit_qt4_target_pre_handle_rcc_dx

##
# Source handler for .qrc sources (Qt resource files).
#
# @remarks $(evalvalctx me).
define def_unit_qt4_src_handler_qrc
local type      := RCC

# fetch the properties.
local tool      := $(kb-src-tool dummy_var)
local qtrccdir  := $(PATH_$(target))/qtrcc
local outbase   := $(qtrccdir)/$(notdir $(basename $(source)))
local out       := $(outbase).tmp.gen.cpp
local realout   := $(outbase).gen.cpp
local dep       := $(realout).dep
local flags     := $(kb-src-prop FLAGS,dummy_var,right-to-left)
local deps      := $(kb-src-prop DEPS,dummy_var,left-to-right)
local orderdeps := $(call DIRDEP,$(dir $(outbase))) $(kb-src-prop ORDERDEPS,dummy_var,left-to-right)

# default path + source dep.
ifneq ($(defpath),)
local deps      := $(abspathex $(deps) $(source),$($(target)_PATH))
local incs      := $(abspathex $(incs),$($(target)_PATH))
else
local deps      += $(source)
endif

# call the tool
ifndef TOOL_$(tool)_RCC_QRC_CMDS
 $(error kBuild: qt rcc tool not found: TOOL_$(tool)_RCC_QRC_CMDS)
endif
local cmds         := $(TOOL_$(tool)_RCC_QRC_CMDS)
local more_output  := $(TOOL_$(tool)_RCC_QRC_OUTPUT)
local maybe_output := $(TOOL_$(tool)_RCC_QRC_OUTPUT_MAYBE)
local deps         += $(TOOL_$(tool)_RCC_QRC_DEPEND)
local orderdeps    += $(TOOL_$(tool)_RCC_QRC_DEPORD)

# generate the link rule and update some source and target variables.
ifndef NO_COMPILE_CMDS_DEPS
 $(eval includedep $(dep))
endif
$(eval $(def_unit_qt4_target_pre_handle_rcc_dx))

endef # def_unit_qt4_src_handler_qrc



## wrapper for the UIC command dependencies.
ifndef NO_COMPILE_CMDS_DEPS
 _UNIT_QT_UIC_CMDS_DEP = $$(comp-cmds-ex $$($(target)_$(subst :,_,$(source))_QT_UIC_CMDS_PREV_),$$(commands $(out)),FORCE)
else
 _UNIT_QT_UIC_CMDS_DEP =
endif

##
# def_unit_qt4_src_handler_ui helper that is expanded before evaluation.
#
# This is necessary to resolve reference to local variables before doing
# assignments and setting up commands. They would otherwise be resolved
# later in a different context and the result would be completely wrong.
#
define def_unit_qt4_target_pre_handle_ui_dx

$(out) +| $(realout) $(more_output) $(maybe_output): \
		$(deps) \
		$(value _UNIT_QT_UIC_CMDS_DEP) \
		| \
		$(orderdeps)
	%$$(call MSG_TOOL,uic,$(target),$(source),$$@)
	$(QUIET2)$(RM) -f $(out) $(more_output) $(maybe_output) $(dep)

$(cmds)

	$(QUIET)$(CP) --changed -f $(out) $(realout)
ifndef NO_COMPILE_CMDS_DEPS
	%$$(QUIET2)$$(APPEND) '$(dep)'
	%$$(QUIET2)$$(APPEND) '$(dep)' 'define $(target)_$(subst :,_,$(source))_QT_UIC_CMDS_PREV_'
	%$$(QUIET2)$$(APPEND) -c '$(dep)' '$(out)'
	%$$(QUIET2)$$(APPEND) '$(dep)' 'endef'
endif

$(target)_INTERMEDIATES += $(realout)
$(target)_OUT_FILES += $(out) $(realout) $(more_output) $(maybe_output)

endef # def_unit_qt4_target_pre_handle_ui_dx

##
# Source handler for .ui sources.
#
# @remarks $(evalvalctx me).
define def_unit_qt4_src_handler_ui
local type      := UIC

# fetch the properties.
local tool      := $(kb-src-tool dummy_var)
local qtuicdir  := $(PATH_$(target))/qtuic
local outbase   := $(qtuicdir)/$(notdir $(basename $(source)))
local out       := $(outbase).tmp.gen.h
local realout   := $(outbase).gen.h
local dep       := $(realout).dep
local flags     := $(kb-src-prop FLAGS,dummy_var,right-to-left)
local deps      := $(kb-src-prop DEPS,dummy_var,left-to-right)
local orderdeps := $(call DIRDEP,$(dir $(outbase))) $(kb-src-prop ORDERDEPS,dummy_var,left-to-right)

# default path + source dep.
ifneq ($(defpath),)
local deps      := $(abspathex $(deps) $(source),$($(target)_PATH))
local incs      := $(abspathex $(incs),$($(target)_PATH))
else
local deps      += $(source)
endif

# call the tool
ifndef TOOL_$(tool)_UIC_UI_CMDS
 $(error kBuild: qt uic tool not found: TOOL_$(tool)_UIC_UI_CMDS)
endif
local cmds         := $(TOOL_$(tool)_UIC_UI_CMDS)
local more_output  := $(TOOL_$(tool)_UIC_UI_OUTPUT)
local maybe_output := $(TOOL_$(tool)_UIC_UI_OUTPUT_MAYBE)
local deps         += $(TOOL_$(tool)_UIC_UI_DEPEND)
local orderdeps    += $(TOOL_$(tool)_UIC_UI_DEPORD)

# generate the link rule and update some source and target variables.
ifndef NO_COMPILE_CMDS_DEPS
 $(eval includedep $(dep))
endif
$(eval $(def_unit_qt4_target_pre_handle_ui_dx))

endef # def_unit_qt4_src_handler_ui



## wrapper for the MOC command dependencies.
ifndef NO_COMPILE_CMDS_DEPS
 _UNIT_QT_MOC_CMDS_DEP = $$(comp-cmds-ex $$($(target)_$(subst :,_,$(source))_QT_MOC_CMDS_PREV_),$$(commands $(out)),FORCE)
else
 _UNIT_QT_MOC_CMDS_DEP =
endif

##
# def_unit_qt4_target_pre_handle_moc_hdr helper that is expanded before evaluation.
#
# This is necessary to resolve reference to local variables before doing
# assignments and setting up commands. They would otherwise be resolved
# later in a different context and the result would be completely wrong.
#
define def_unit_qt4_target_pre_handle_moc_hdr_dx

$(out) +| $(realout) $(more_output) $(maybe_output): \
		$(deps) \
		$(value _UNIT_QT_MOC_CMDS_DEP) \
		| \
		$(orderdeps)
	%$$(call MSG_TOOL,moc,$(target),$(source),$$@)
	$(QUIET2)$(RM) -f $(out) $(more_output) $(maybe_output) $(dep)

$(cmds)

	$(QUIET)$(CP) --changed -f $(out) $(realout)
ifndef NO_COMPILE_CMDS_DEPS
	%$$(QUIET2)$$(APPEND) '$(dep)'
	%$$(QUIET2)$$(APPEND) '$(dep)' 'define $(target)_$(subst :,_,$(source))_QT_MOC_CMDS_PREV_'
	%$$(QUIET2)$$(APPEND) -c '$(dep)' '$(out)'
	%$$(QUIET2)$$(APPEND) '$(dep)' 'endef'
endif

$(target)_INTERMEDIATES += $(realout)
$(target)_GEN_SOURCES_ += $(realout)
$(target)_OUT_FILES += $(out) $(realout) $(more_output) $(maybe_output)

endef

##
# Handle a source file listed in QT_MOCHDRSS.
#
# The files listed in QT_MOCHDRS uses the Q_OBJECT macro and we will
# generate a .cpp file for each of them and add it to the generated
# sources so that it's compiled and linked. (There is an alternative
# way to do this where the .cpp file is included, this isn't currently
# supported by this unit.)
#
# @remarks Invoked via $(evalvalctx ).
define def_unit_qt4_target_pre_handle_moc_hdr
local type      := MOC

# fetch the properties.
local tool      := $(kb-src-tool dummy_var)
local outbase   := $(qtmocdir)/$(notdir $(basename $(source)))
local out       := $(outbase).tmp.cpp
local realout   := $(outbase).cpp
local dep       := $(realout).dep
local defs      := $(kb-src-prop DEFS,dummy_var,left-to-right)
local incs      := $(kb-src-prop INCS,dummy_var,right-to-left)
local flags     := $(kb-src-prop FLAGS,dummy_var,right-to-left)
local deps      := $(kb-src-prop DEPS,dummy_var,left-to-right)
local orderdeps := $(call DIRDEP,$(dir $(outbase))) $(kb-src-prop ORDERDEPS,dummy_var,left-to-right)

# default path + source dep.
ifneq ($(defpath),)
local deps      := $(abspathex $(deps) $(source),$($(target)_PATH))
local incs      := $(abspathex $(incs),$($(target)_PATH))
else
local deps      += $(source)
endif

# call the tool
ifndef TOOL_$(tool)_MOC_HPP_CMDS
 $(error kBuild: qt moc tool not found: TOOL_$(tool)_MOC_HPP_CMDS)
endif
local cmds         := $(TOOL_$(tool)_MOC_HPP_CMDS)
local more_output  := $(TOOL_$(tool)_MOC_HPP_OUTPUT)
local maybe_output := $(TOOL_$(tool)_MOC_HPP_OUTPUT_MAYBE)
local deps         += $(TOOL_$(tool)_MOC_HPP_DEPEND)
local orderdeps    += $(TOOL_$(tool)_MOC_HPP_DEPORD)

# generate the link rule and update some source and target variables.
ifndef NO_COMPILE_CMDS_DEPS
 $(eval includedep $(dep))
endif
$(eval $(def_unit_qt4_target_pre_handle_moc_hdr_dx))

endef # def_unit_qt4_target_pre_handle_moc_hdr


##
# def_unit_qt4_target_pre_handle_moc_src helper that is expanded before evaluation.
#
# This is necessary to resolve reference to local variables before doing
# assignments and setting up commands. They would otherwise be resolved
# later in a different context and the result would be completely wrong.
#
define def_unit_qt4_target_pre_handle_moc_src_dx

$(out) +| $(realout) $(more_output) $(maybe_output): \
		$(deps) \
		$(value _UNIT_QT_MOC_CMDS_DEP) \
		| \
		$(orderdeps)
	%$$(call MSG_TOOL,moc,$(target),$(source),$$@)
	$(QUIET2)$(RM) -f $(out) $(more_output) $(maybe_output) $(dep)

$(cmds)

	$(QUIET)$(CP) --changed -f $(out) $(realout)
ifndef NO_COMPILE_CMDS_DEPS
	%$$(QUIET2)$$(APPEND) '$(dep)'
	%$$(QUIET2)$$(APPEND) '$(dep)' 'define $(target)_$(subst :,_,$(source))_QT_MOC_CMDS_PREV_'
	%$$(QUIET2)$$(APPEND) -c '$(dep)' '$(out)'
	%$$(QUIET2)$$(APPEND) '$(dep)' 'endef'
endif

$(target)_INTERMEDIATES += $(realout)
$(target)_OUT_FILES += $(out) $(realout) $(more_output) $(maybe_output)

endef

##
# Handle a source file listed in QT_MOCSRCS.
#
# The files listed in QT_MOCSRCS uses the Q_OBJECT macro and will include
# a .moc file that we're expected to generate here.
#
# @remarks Invoked via $(evalvalctx ).
define def_unit_qt4_target_pre_handle_moc_src
local type      := MOC

# fetch the properties.
local tool      := $(kb-src-tool dummy_var)
local outbase   := $(qtmocdir)/$(notdir $(basename $(source)))
local out       := $(outbase).tmp.moc
local realout   := $(outbase).moc
local dep       := $(realout).dep
local defs      := $(kb-src-prop DEFS,dummy_var,left-to-right)
local incs      := $(kb-src-prop INCS,dummy_var,right-to-left)
local flags     := $(kb-src-prop FLAGS,dummy_var,right-to-left)
local deps      := $(kb-src-prop DEPS,dummy_var,left-to-right)
local orderdeps := $(call DIRDEP,$(dir $(outbase))) $(kb-src-prop ORDERDEPS,dummy_var,left-to-right)

# default path + source dep.
ifneq ($(defpath),)
local deps      := $(abspathex $(deps) $(source),$($(target)_PATH))
local incs      := $(abspathex $(incs),$($(target)_PATH))
else
local deps      += $(source)
endif

# call the tool
ifndef TOOL_$(tool)_MOC_CPP_CMDS
 $(error kBuild: qt moc tool not found: TOOL_$(tool)_MOC_CPP_CMDS)
endif
local cmds         := $(TOOL_$(tool)_MOC_CPP_CMDS)
local more_output  := $(TOOL_$(tool)_MOC_CPP_OUTPUT)
local maybe_output := $(TOOL_$(tool)_MOC_CPP_OUTPUT_MAYBE)
local deps         += $(TOOL_$(tool)_MOC_CPP_DEPEND)
local orderdeps    += $(TOOL_$(tool)_MOC_CPP_DEPORD)

# generate the link rule and update some source and target variables.
ifndef NO_COMPILE_CMDS_DEPS
 $(eval includedep $(dep))
endif
$(eval $(def_unit_qt4_target_pre_handle_moc_src_dx))

endef # def_unit_qt4_target_pre_handle_moc_src


##
# Adds sources containing Q_OBJECT to QT_MOCSRCS.
define def_unit_qt4_target_pre_cpp_source
ifneq ($(file-size $(source)),-1)
 ifneq ($(strip $(shell $(SED) -f $(KBUILD_PATH)/units/qt-Q_OBJECT.sed $(source))),)
  $(eval $(target)_QT_MOCSRCS += $(source))
 endif
endif
endef # def_unit_qt4_target_pre_cpp_source

##
# Invoked early in the processing of a target that uses	the Qt unit.
#
# It will append the qt source handlers to the target (.h, .ui, .ts,
# .png, .bmp, .gif).
#
# It will then check all the C++ sources and check which needs
# a .moc files and generate rules and dependencies fofor these
#
define def_unit_qt4_target_pre

# Make QTTOOL the default for the specific Qt tools instead of TOOL.
ifneq ($($(target)_QTTOOL),)
 ifeq ($($(target)_MOCTOOL),)
  $($(target)_MOCTOOL := $($(target)_QTTOOL)
 endif
 ifeq ($($(target)_UICTOOL),)
  $($(target)_UICTOOL := $($(target)_QTTOOL)
 endif
 ifeq ($($(target)_RCCTOOL),)
  $($(target)_RCCTOOL := $($(target)_QTTOOL)
 endif
 ifeq ($($(target)_LRCTOOL),)
  $($(target)_LRCTOOL := $($(target)_QTTOOL)
 endif
endif

# Deal with QT_MODULES and QT_PREFIX.
local qt_modules := \
	$($(target)_QT_MODULES.$(_bld_trg)) \
 	$($(target)_QT_MODULES.$(_bld_trg_arch)) \
 	$($(target)_QT_MODULES.$(_bld_trg).$(_bld_trg_arch)) \
 	$($(target)_QT_MODULES.$(_bld_trg_cpu)) \
 	$($(target)_QT_MODULES.$(_bld_type)) \
 	$($(target)_QT_MODULES)
local qt_prefix := $(firstword \
	$($(target)_QT_PREFIX.$(_bld_trg)) \
 	$($(target)_QT_PREFIX.$(_bld_trg_arch)) \
 	$($(target)_QT_PREFIX.$(_bld_trg).$(_bld_trg_arch)) \
 	$($(target)_QT_PREFIX.$(_bld_trg_cpu)) \
 	$($(target)_QT_PREFIX.$(_bld_type)) \
 	$($(target)_QT_PREFIX))
ifeq ($(bld_trg),darwin)
 $(eval $(target)_LDFLAGS += -F$(PATH_SDK_QT4_LIB) $(addprefix -framework Qt$(qt_prefix),$(qt_modules)))
 $(eval $(target)_INCS    += $(foreach module,$(qt_modules), $(PATH_SDK_QT4_LIB)/$(qt_prefix)Qt$(module).framework/Versions/4/Headers))
else
 ifeq ($(bld_trg),win)
  $(eval $(target)_LIBS   += $(foreach module,$(qt_modules), $(PATH_SDK_QT4_LIB)/$(qt_prefix)Qt$(module)4$(SUFF_LIB)))
 else
  $(eval $(target)_LIBS   += $(foreach module,$(qt_modules), $(PATH_SDK_QT4_LIB)/lib$(qt_prefix)Qt$(module)$(SUFF_DLL)))
 endif
 $(eval $(target)_INCS    += $(addprefix $(PATH_SDK_QT4_INC)/Qt,$(qt_modules)))
endif
$(eval $(target)_DEFS     += $(foreach module,$(toupper $(qt_modules)), QT_$(module)_LIB))


# Autodetect source files with Q_OBJECT references if QT_MOCSRCS is undefined. (slow)
# Tip: Use target_QT_MOCSRCS = $(NO_SUCH_VARIABLE) to avoid this.
ifndef $(target)_QT_MOCSRCS
 $(foreach source, $(filter %.cxx %.CXX %.cpp %.CPP %.cc %.CC,\
 	$($(target)_SOURCES.$(_bld_trg)) \
 	$($(target)_SOURCES.$(_bld_trg_arch)) \
 	$($(target)_SOURCES.$(_bld_trg).$(_bld_trg_arch)) \
 	$($(target)_SOURCES.$(_bld_trg_cpu)) \
 	$($(target)_SOURCES.$(_bld_type)) \
 	$($(target)_SOURCES) \
 	), $(evalval def_unit_qt4_target_pre_cpp_source))
endif

# Install source handlers for .ui files.
$(target)_SRC_HANDLERS += \
	 .ui:def_unit_qt4_src_handler_ui \
	 .UI:def_unit_qt4_src_handler_ui \
	.qrc:def_unit_qt4_src_handler_qrc \
	.qrc:def_unit_qt4_src_handler_qrc

# Calc the MOC and UI output directories and add them to BLDDIRS and INCS.
local qtmocdir := $(PATH_$(target))/qtmoc
local qtuicdir := $(PATH_$(target))/qtuic
local qtrccdir := $(PATH_$(target))/qtrcc
local qtnlsdir := $(PATH_$(target))/qtnls
$(eval $(target)_BLDDIRS += $(qtmocdir) $(qtuicdir) $(qtrccdir) $(qtnlsdir))
$(eval $(target)_INCS    += $(qtmocdir) $(qtuicdir))

# Deal with QT_MOCSRCS.
$(foreach source, \
	$($(target)_QT_MOCSRCS.$(_bld_trg)) \
 	$($(target)_QT_MOCSRCS.$(_bld_trg_arch)) \
 	$($(target)_QT_MOCSRCS.$(_bld_trg).$(_bld_trg_arch)) \
 	$($(target)_QT_MOCSRCS.$(_bld_trg_cpu)) \
 	$($(target)_QT_MOCSRCS.$(_bld_type)) \
 	$($(target)_QT_MOCSRCS) \
	, $(evalvalctx def_unit_qt4_target_pre_handle_moc_src))

# Deal with QT_MOCHDRS.
$(foreach source, \
	$($(target)_QT_MOCHDRS.$(_bld_trg)) \
 	$($(target)_QT_MOCHDRS.$(_bld_trg_arch)) \
 	$($(target)_QT_MOCHDRS.$(_bld_trg).$(_bld_trg_arch)) \
 	$($(target)_QT_MOCHDRS.$(_bld_trg_cpu)) \
 	$($(target)_QT_MOCHDRS.$(_bld_type)) \
 	$($(target)_QT_MOCHDRS) \
	, $(evalvalctx def_unit_qt4_target_pre_handle_moc_hdr))

# Deal with QT_TRANSLATIONS.
# ASSUMES (_ALL_)INSTALLS is processed after the targets using this unit.
local translations := \
	$($(target)_QT_TRANSLATIONS.$(_bld_trg)) \
 	$($(target)_QT_TRANSLATIONS.$(_bld_trg_arch)) \
 	$($(target)_QT_TRANSLATIONS.$(_bld_trg).$(_bld_trg_arch)) \
 	$($(target)_QT_TRANSLATIONS.$(_bld_trg_cpu)) \
 	$($(target)_QT_TRANSLATIONS.$(_bld_type)) \
 	$($(target)_QT_TRANSLATIONS)
ifneq ($(strip $(translations)),)
 local expr := _ALL_INSTALLS += $(target)-inst-nls
 $(eval $(expr))
 ifdef $(target)_QT_TRANSLATIONS_TEMPLATE
  $(target)-inst-nls_TEMPLATE := $($(target)_QT_TRANSLATIONS_TEMPLATE)
 endif
 ifdef $(target)_QT_TRANSLATIONS_INST
  $(target)-inst-nls_INST := $($(target)_QT_TRANSLATIONS_INST)
 endif
 $(target)-inst-nls_SOURCES :=
 $(foreach source, $(translations)\
	, $(evalvalctx def_unit_qt4_target_pre_handle_translation))
endif

endef # def_unit_qt4_target_pre