Index: trunk/kBuild/darwin-common.kmk
===================================================================
--- trunk/kBuild/darwin-common.kmk	(revision 3401)
+++ trunk/kBuild/darwin-common.kmk	(revision 3401)
@@ -0,0 +1,102 @@
+# $Id$
+## @file
+# kBuild Common Darwin (macOS) Definitions - Used by tools and SDKs.
+#
+
+#
+# Copyright (c) 2004-2020 knut st. osmundsen <bird-kBuild-spam-xx@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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+#
+# As a special exception you are granted permission to include this file, via
+# the kmk include directive, as you wish without this in itself causing the
+# resulting makefile, program or whatever to be covered by the GPL license.
+# This exception does not however invalidate any other reasons why the makefile,
+# program, whatever should not be covered the GPL.
+#
+#
+
+INCLUDED_DARWIN_COMMON_KMK := 1
+
+### @def DARWINCMN_XCODE_APP_DEVELOPER_DIRS
+# List 'Developer' directories inside 'Xcode.app' directories.
+# The idea was to use this as a basis for DARWINCMN_TOOLCHAIN_DIRS and
+# DARWINCMN_MACOSX_SDKS_DIRS, but that didn't pan out.
+#
+# Users can alter this by setting DARWINCMN_XCODE_APP_DIRS_PREFERRED,
+# DARWINCMN_XCODE_APP_DIRS_FALLBACK and DARWINCMN_XCODE_APP_DIRS_IGNORE_DEVTOOLS.
+#
+DARWINCMN_XCODE_APP_DEVELOPER_DIRS = $(DARWINCMN_XCODE_APP_DEVELOPER_DIRS_PREFERRED) \
+	$(if-expr defined(DARWINCMN_XCODE_APP_DIRS_IGNORE_DEVTOOLS),, \
+	$(rversortfiles $(qwildcard ,$(KBUILD_DEVTOOLS_HST)/xcode/v*/*.app/Contents/Developer)) \
+	$(if $(KBUILD_DEVTOOLS_HST_ALT),$(rversortfiles $(qwildcard ,$(KBUILD_DEVTOOLS_HST_ALT)/xcode/v*/*.app/Contents/Developer))) ) \
+	/Applications/Xcode.app/Contents/Developer \
+	$(DARWINCMN_XCODE_APP_DIRS_FALLBACK)
+
+## @def DARWINCMN_TOOLCHAIN_DIRS
+# List of toolchain directories containing compilers and stuff in a usr/bin subdir.
+#
+# Users can alter this by setting DARWINCMN_TOOLCHAIN_DIRS_PREFERRED and DARWINCMN_TOOLCHAIN_DIRS_FALLBACK.
+#
+# @note Would love to use DARWINCMN_XCODE_APP_DEVELOPER_DIRS here, but that doesn't really fly wrt directory priority.
+#       Also, prefer avoiding using the longer Xcode.app paths when command line tools are installed.
+DARWINCMN_TOOLCHAIN_DIRS = $(DARWINCMN_TOOLCHAIN_DIRS_PREFERRED) \
+	$(if-expr defined(DARWINCMN_TOOLCHAIN_DIRS_IGNORE_DEVTOOLS),, \
+		$(rversortfiles $(qwildcard ,$(KBUILD_DEVTOOLS_HST)/CommandLineTools/v*)) \
+		$(rversortfiles $(qwildcard ,$(KBUILD_DEVTOOLS_HST)/xcode/v*/*.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain)) \
+		$(if-expr "$(KBUILD_DEVTOOLS_HST_ALT)" != "", \
+			$(rversortfiles $(qwildcard ,$(KBUILD_DEVTOOLS_HST_ALT)/CommandLineTools/v*)) \
+			$(rversortfiles $(qwildcard ,$(KBUILD_DEVTOOLS_HST_ALT)/xcode/v*/*.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain)) ,) \
+	) \
+	/Library/Developer/CommandLineTools \
+	$(qwildcard ,/Applications/Xcode*.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain) \
+	/. \
+	$(DARWINCMN_TOOLCHAIN_DIRS_FALLBACK)
+
+
+## @def DARWINCMN_MACOSX_SDKS_DIRS
+# List of 'SDKs' directories containing MacOSX (macOS) platform SDKs.
+# Users can alter this by setting DARWINCMN_MACOSX_SDKS_DIRS_PREFERRED and DARWINCMN_MACOSX_SDKS_DIRS_FALLBACK.
+DARWINCMN_MACOSX_SDKS_DIRS = $(DARWINCMN_MACOSX_SDKS_DIRS_PREFERRED) \
+	$(if-expr defined(DARWINCMN_MACOSX_SDKS_DIRS_IGNORE_DEVTOOLS),, \
+		$(rversortfiles $(qwildcard ,$(KBUILD_DEVTOOLS_TGT)/SDKs)) \
+		$(if-expr "$(KBUILD_DEVTOOLS_TGT_ALT)" != "", \
+			$(rversortfiles $(qwildcard ,$(KBUILD_DEVTOOLS_TGT_ALT)/SDKs)) ,)\
+		$(rversortfiles $(qwildcard ,$(KBUILD_DEVTOOLS_HST)/CommandLineTools/v*/SDKs)) \
+		$(rversortfiles $(qwildcard ,$(KBUILD_DEVTOOLS_HST)/xcode/v*/*.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs)) \
+		$(if-expr "$(KBUILD_DEVTOOLS_HST_ALT)" != "", \
+			$(rversortfiles $(qwildcard ,$(KBUILD_DEVTOOLS_HST_ALT)/CommandLineTools/v*)) \
+			$(rversortfiles $(qwildcard ,$(KBUILD_DEVTOOLS_HST_ALT)/xcode/v*/*.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs)) ,) \
+	) \
+	/Library/Developer/CommandLineTools/SDKs \
+	$(qwildcard ,/Applications/Xcode*.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs) \
+	/Developer/SDKs \
+	$(DARWINCMN_MACOSX_SDKS_DIRS_FALLBACK)
+
+## @def DARWINCMN_FN_FIND_MACOSX_SDK
+# Locate a given SDK.
+# @param 1 SDK name directory (e.g. MacOSX10.15.sdk).
+DARWINCMN_FN_FIND_MACOSX_SDK = $(firstfile $(qwildcard ,$(qaddsuffix ,/$(1),$(DARWINCMN_MACOSX_SDKS_DIRS))))
+## @def DARWINCMN_FN_ERROR_MACOSX_SDK
+# Generate complaint text about SDK that DARWINCMN_FN_FIND_MACOSX_SDK failed to locate.
+# @param 1 SDK name directory (e.g. MacOSX10.15.sdk).
+define DARWINCMN_FN_ERROR_MACOSX_SDK
+Failed to locate the MacOSX SDK '$(1)' directory after checking: $(foreachfile file,$(qaddsuffix ,/$(1),$(DARWINCMN_MACOSX_SDKS_DIRS)),$(NLTAB)$(file))
+Available SDKs: $(rversortfiles $(qnotdir ,$(qwildcard ,$(qaddsuffix ,/Mac*sdk,$(DARWINCMN_MACOSX_SDKS_DIRS)))))
+endef
+
Index: trunk/kBuild/sdks/MACOSX1013.kmk
===================================================================
--- trunk/kBuild/sdks/MACOSX1013.kmk	(revision 3401)
+++ trunk/kBuild/sdks/MACOSX1013.kmk	(revision 3401)
@@ -0,0 +1,61 @@
+# $Id$
+## @file
+# kBuild SDK - Mac OS X v10.13 SDK.
+#
+
+#
+# Copyright (c) 2008-2020 knut st. osmundsen <bird-kBuild-spam-xx@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
+#
+#
+# As a special exception you are granted permission to include this file, via
+# the kmk include directive, as you wish without this in itself causing the
+# resulting makefile, program or whatever to be covered by the GPL license.
+# This exception does not however invalidate any other reasons why the makefile,
+# program, whatever should not be covered the GPL.
+#
+#
+
+ifndef INCLUDED_DARWIN_COMMON_KMK
+ include $(KBUILD_PATH)/darwin-common.kmk
+endif
+
+SDK_MACOSX1013 := Mac OS X v10.13 SDK
+
+# SDK Specific Properties
+ifndef PATH_SDK_MACOSX1013
+ PATH_SDK_MACOSX1013 := $(call DARWINCMN_FN_FIND_MACOSX_SDK,MacOSX10.13.sdk)
+else
+ # Resolve any fancy stuff once and for all.
+ PATH_SDK_MACOSX1013 := $(PATH_SDK_MACOSX1013)
+endif
+ifeq ($(PATH_SDK_MACOSX1013),)
+ $(warning $(call DARWINCMN_FN_ERROR_MACOSX_SDK,MacOSX10.13.sdk))
+endif
+
+## The MAC_OS_X_VERSION_MIN_REQUIRED and MAC_OS_X_VERSION_MAX_ALLOWED value for this SDK.
+SDK_MACOSX1013_VERSION_VALUE := 101300
+
+# General Properties (used by kBuild)
+# Note: The MAC_OS_X_VERSION_MAX_ALLOWED is left free for the SDK user to define.
+SDK_MACOSX1013_DEFS      ?= MAC_OS_X_VERSION_MIN_REQUIRED=101300
+SDK_MACOSX1013_CFLAGS    ?= -mmacosx-version-min=10.13 -isysroot $(PATH_SDK_MACOSX1013)
+SDK_MACOSX1013_CXXFLAGS  ?= -mmacosx-version-min=10.13 -isysroot $(PATH_SDK_MACOSX1013)
+SDK_MACOSX1013_OBJCFLAGS ?= -mmacosx-version-min=10.13 -isysroot $(PATH_SDK_MACOSX1013)
+SDK_MACOSX1013_LDFLAGS   ?= -mmacosx-version-min=10.13 -isysroot $(PATH_SDK_MACOSX1013)
+
Index: trunk/kBuild/sdks/MACOSX1013INCS.kmk
===================================================================
--- trunk/kBuild/sdks/MACOSX1013INCS.kmk	(revision 3401)
+++ trunk/kBuild/sdks/MACOSX1013INCS.kmk	(revision 3401)
@@ -0,0 +1,49 @@
+# $Id$
+## @file
+# kBuild SDK - Mac OS X v10.13 SDK, includes only.
+#
+
+#
+# Copyright (c) 2008-2020 knut st. osmundsen <bird-kBuild-spam-xx@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
+#
+#
+# As a special exception you are granted permission to include this file, via
+# the kmk include directive, as you wish without this in itself causing the
+# resulting makefile, program or whatever to be covered by the GPL license.
+# This exception does not however invalidate any other reasons why the makefile,
+# program, whatever should not be covered the GPL.
+#
+#
+
+ifndef SDK_MACOSX1013
+ include $(KBUILD_PATH)/sdks/MACOSX1013.kmk
+endif
+
+SDK_MACOSX1013INCS := Mac OS X v10.13 SDK, include only.
+
+# SDK Specific Properties
+ifndef PATH_SDK_MACOSX1013INCS
+ PATH_SDK_MACOSX1013INCS := $(PATH_SDK_MACOSX1013)
+else
+ PATH_SDK_MACOSX1013INCS := $(PATH_SDK_MACOSX1013INCS)
+endif
+
+# General Properties (used by kBuild)
+SDK_MACOSX1013INCS_INCS = $(PATH_SDK_MACOSX1013INCS)/usr/include
+
Index: trunk/kBuild/tools/CLANGXXMACHO.kmk
===================================================================
--- trunk/kBuild/tools/CLANGXXMACHO.kmk	(revision 3401)
+++ trunk/kBuild/tools/CLANGXXMACHO.kmk	(revision 3401)
@@ -0,0 +1,508 @@
+# $Id$
+## @file
+# kBuild Tool Config - LLVM GCC v4.2.x targeting Darwin (Mac OS X) Mach-O, for building C++ code.
+#
+
+#
+# Copyright (c) 2004-2017 knut st. osmundsen <bird-kBuild-spam-xviiv@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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+#
+# As a special exception you are granted permission to include this file, via
+# the kmk include directive, as you wish without this in itself causing the
+# resulting makefile, program or whatever to be covered by the GPL license.
+# This exception does not however invalidate any other reasons why the makefile,
+# program, whatever should not be covered the GPL.
+#
+#
+
+ifndef INCLUDED_DARWIN_COMMON_KMK
+ include $(KBUILD_PATH)/darwin-common.kmk
+endif
+
+TOOL_CLANGXXMACHO := LLVM Clang targeting Darwin (Mac OS X) Mach-O, for building C++ code.
+
+# Tool Specific Properties
+# PREFIX/SUFFIX: clang;   PREFIX2/SUFFIX2: cctool;
+ifndef PATH_TOOL_CLANGXXMACHO
+ PATH_TOOL_CLANGXXMACHO := $(substr $(firstfile $(foreachfile toolchaindir, $(DARWINCMN_TOOLCHAIN_DIRS) \
+ 	, $(qwildcard ,$(toolchaindir)/usr/bin/clang++))), 1, -12)
+else
+ PATH_TOOL_CLANGXXMACHO := $(PATH_TOOL_CLANGXXMACHO)
+endif
+ifndef TOOL_CLANGXXMACHO_PREFIX
+ ifdef PATH_TOOL_CLANGXXMACHO
+  TOOL_CLANGXXMACHO_PREFIX  := $(PATH_TOOL_CLANGXXMACHO)/bin/
+ else
+  TOOL_CLANGXXMACHO_PREFIX  :=
+ endif
+endif
+ifndef TOOL_CLANGXXMACHO_SUFFIX
+ TOOL_CLANGXXMACHO_SUFFIX   := $(HOSTSUFF_EXE)
+endif
+TOOL_CLANGXXMACHO_PREFIX2   ?= $(TOOL_CLANGXXMACHO_PREFIX)
+TOOL_CLANGXXMACHO_SUFFIX2   ?= $(TOOL_CLANGXXMACHO_SUFFIX)
+TOOL_CLANGXXMACHO_CC        ?= $(TOOL_CLANGXXMACHO_PREFIX)clang$(TOOL_CLANGXXMACHO_SUFFIX)
+TOOL_CLANGXXMACHO_CXX       ?= $(TOOL_CLANGXXMACHO_PREFIX)clang++$(TOOL_CLANGXXMACHO_SUFFIX)
+TOOL_CLANGXXMACHO_PCH       ?= $(TOOL_CLANGXXMACHO_CXX)
+TOOL_CLANGXXMACHO_OBJC      ?= $(TOOL_CLANGXXMACHO_PREFIX)clang$(TOOL_CLANGXXMACHO_SUFFIX)
+TOOL_CLANGXXMACHO_OBJCXX    ?= $(TOOL_CLANGXXMACHO_PREFIX)clang$(TOOL_CLANGXXMACHO_SUFFIX)
+TOOL_CLANGXXMACHO_AS        ?= $(TOOL_CLANGXXMACHO_PREFIX)clang$(TOOL_CLANGXXMACHO_SUFFIX)
+TOOL_CLANGXXMACHO_LD        ?= $(TOOL_CLANGXXMACHO_PREFIX)clang++$(TOOL_CLANGXXMACHO_SUFFIX)
+TOOL_CLANGXXMACHO_LD_SYSMOD ?= $(TOOL_CLANGXXMACHO_PREFIX)clang++$(TOOL_CLANGXXMACHO_SUFFIX)
+TOOL_CLANGXXMACHO_LDFLAGS.dll ?= -dynamiclib
+TOOL_CLANGXXMACHO_LDFLAGS.sysmod ?= -r
+#TOOL_CLANGXXMACHO_LD_SONAME = -Wl,-dylib_install_name $(firstword $($(1)_SONAME.$(KBUILD_TARGET).$(KBUILD_TYPE)) $($(1)_SONAME.$(KBUILD_TARGET)) $($(1)_SONAME.$(KBUILD_TYPE)) $($(1)_SONAME) $(notdir $(2)))
+TOOL_CLANGXXMACHO_DSYMUTIL  ?= $(TOOL_CLANGXXMACHO_PREFIX)dsymutil$(TOOL_CLANGXXMACHO_SUFFIX)
+
+TOOL_CLANGXXMACHO_AR        ?= $(TOOL_CLANGXXMACHO_PREFIX2)ar$(TOOL_CLANGXXMACHO_SUFFIX2)
+TOOL_CLANGXXMACHO_STRIP     ?= $(TOOL_CLANGXXMACHO_PREFIX2)strip$(TOOL_CLANGXXMACHO_SUFFIX2)
+TOOL_CLANGXXMACHO_STRIP_PROGRAM ?= $(TOOL_CLANGXXMACHO_STRIP) -SXxru
+TOOL_CLANGXXMACHO_STRIP_DLL     ?= $(TOOL_CLANGXXMACHO_STRIP) -Sxru
+TOOL_CLANGXXMACHO_STRIP_SYSMOD  ?= $(TOOL_CLANGXXMACHO_STRIP) -Sru
+
+ifdef SLKRUNS
+TOOL_CLANGXXMACHO_CC     += -fmessage-length=0
+TOOL_CLANGXXMACHO_CXX    += -fmessage-length=0
+TOOL_CLANGXXMACHO_OBJC   += -fmessage-length=0
+TOOL_CLANGXXMACHO_OBJCXX += -fmessage-length=0
+endif
+
+# General Properties used by kBuild
+TOOL_CLANGXXMACHO_COBJSUFF         ?= .o
+TOOL_CLANGXXMACHO_CFLAGS           ?=
+TOOL_CLANGXXMACHO_CFLAGS.debug     ?= -g
+TOOL_CLANGXXMACHO_CFLAGS.profile   ?= -O2 #-g -pg
+TOOL_CLANGXXMACHO_CFLAGS.release   ?= -O2
+TOOL_CLANGXXMACHO_CINCS            ?=
+TOOL_CLANGXXMACHO_CDEFS            ?=
+
+TOOL_CLANGXXMACHO_CXXOBJSUFF       ?= .o
+TOOL_CLANGXXMACHO_CXXFLAGS         ?=
+TOOL_CLANGXXMACHO_CXXFLAGS.debug   ?= -g
+TOOL_CLANGXXMACHO_CXXFLAGS.profile ?= -O2 #-g -pg
+TOOL_CLANGXXMACHO_CXXFLAGS.release ?= -O2
+TOOL_CLANGXXMACHO_CXXINCS          ?=
+TOOL_CLANGXXMACHO_CXXDEFS          ?=
+
+TOOL_CLANGXXMACHO_PCHOBJSUFF       ?= .h.gch
+TOOL_CLANGXXMACHO_PCHFLAGS         ?= $(TOOL_CLANGXXMACHO_CXXFLAGS)
+TOOL_CLANGXXMACHO_PCHFLAGS.debug   ?= $(TOOL_CLANGXXMACHO_CXXFLAGS.debug)
+TOOL_CLANGXXMACHO_PCHFLAGS.profile ?= $(TOOL_CLANGXXMACHO_CXXFLAGS.profile)
+TOOL_CLANGXXMACHO_PCHFLAGS.release ?= $(TOOL_CLANGXXMACHO_CXXFLAGS.release)
+TOOL_CLANGXXMACHO_PCHINCS          ?= $(TOOL_CLANGXXMACHO_CXXINCS)
+TOOL_CLANGXXMACHO_PCHDEFS          ?= $(TOOL_CLANGXXMACHO_CXXDEFS)
+
+TOOL_CLANGXXMACHO_OBJCOBJSUFF      ?= .o
+TOOL_CLANGXXMACHO_OBJCFLAGS        ?=
+TOOL_CLANGXXMACHO_OBJCFLAGS.debug  ?= -g
+TOOL_CLANGXXMACHO_OBJCFLAGS.profile?= -O2 #-g -pg
+TOOL_CLANGXXMACHO_OBJCFLAGS.release?= -O2
+TOOL_CLANGXXMACHO_OBJCINCS         ?=
+TOOL_CLANGXXMACHO_OBJCDEFS         ?=
+
+TOOL_CLANGXXMACHO_OBJCXXOBJSUFF        ?= .o
+TOOL_CLANGXXMACHO_OBJCXXFLAGS          ?=
+TOOL_CLANGXXMACHO_OBJCXXFLAGS.debug    ?= -g
+TOOL_CLANGXXMACHO_OBJCXXFLAGS.profile  ?= -O2 #-g -pg
+TOOL_CLANGXXMACHO_OBJCXXFLAGS.release  ?= -O2
+TOOL_CLANGXXMACHO_OBJCXXINCS           ?=
+TOOL_CLANGXXMACHO_OBJCXXDEFS           ?=
+
+TOOL_CLANGXXMACHO_ASFLAGS          ?= -x assembler-with-cpp
+TOOL_CLANGXXMACHO_ASFLAGS.debug    ?= -g
+TOOL_CLANGXXMACHO_ASFLAGS.profile  ?= -g
+TOOL_CLANGXXMACHO_ASOBJSUFF        ?= .o
+
+TOOL_CLANGXXMACHO_ARFLAGS          ?= -c -rs
+TOOL_CLANGXXMACHO_ARLIBSUFF        ?= .a
+
+TOOL_CLANGXXMACHO_LDFLAGS          ?=
+TOOL_CLANGXXMACHO_LDFLAGS.debug    ?= -g
+TOOL_CLANGXXMACHO_LDFLAGS.profile  ?= -g
+
+
+
+##
+# Calculate the files in the debug bundle.
+# @param    1  The whole output filename.
+# @param    2  The output filename sans suffix.
+TOOL_CLANGXXMACHO_DEBUG_BUNDLE_FN = \
+    $(1).dSYM/Contents/Info.plist \
+    $(1).dSYM/Contents/Resources/DWARF/$(notdir $(1))
+
+##
+# Calculate the files in the debug bundle.
+# @param    1  The whole linker output filename.
+# @param    2  The linker output filename sans suffix.
+# @param    3  The desired install name (no dir slash).
+# @remarks  The Info.plist has some reference to the original name, but gdb
+#           does not care and only check for a symbol file in the DWARF
+#           directory with the same name as the debugged module.
+TOOL_CLANGXXMACHO_DEBUG_INSTALL_FN= \
+    $(3).dSYM/ \
+    $(3).dSYM/Contents/ \
+    $(3).dSYM/Contents/Resources/ \
+    $(3).dSYM/Contents/Resources/DWARF/ \
+    $(1).dSYM/Contents/Info.plist=>$(3).dSYM/Contents/Info.plist \
+    $(1).dSYM/Contents/Resources/DWARF/$(notdir $(1))=>$(3).dSYM/Contents/Resources/DWARF/$(notdir $(3))
+
+
+## Compile C source.
+# @param    $(target)   Normalized main target name.
+# @param    $(source)   Source filename (relative).
+# @param    $(obj)      Object file name. This shall be (re)created by the compilation.
+# @param    $(dep)	    Dependcy file. This shall be (re)created by the compilation.
+# @param    $(flags)    Flags.
+# @param    $(defs)     Definitions. No -D or something.
+# @param    $(incs)     Includes. No -I or something.
+# @param    $(dirdep)   Directory creation dependency.
+# @param    $(deps)		Other dependencies.
+#
+# @param    $(outbase)  Output basename (full). Use this for list files and such.
+# @param    $(objsuff)  Object suffix.
+TOOL_CLANGXXMACHO_COMPILE_C_DEPEND =
+TOOL_CLANGXXMACHO_COMPILE_C_DEPORD =
+TOOL_CLANGXXMACHO_COMPILE_C_OUTPUT         = $(if-expr "$(use_objcache)" != "",$(outbase).i,)
+TOOL_CLANGXXMACHO_COMPILE_C_USES_KOBJCACHE = $(if-expr "$(use_objcache)" != "",1,)
+define TOOL_CLANGXXMACHO_COMPILE_C_CMDS
+if "$(use_objcache)" != ""
+	$(QUIET)$(KOBJCACHE) -f $(outbase).koc -d $(PATH_OBJCACHE) -t $(bld_trg).$(bld_trg_arch) -p\
+		--kObjCache-cpp $(outbase).i\
+		$(TOOL_CLANGXXMACHO_CC) -E -o -\
+		$(flags) $(addprefix -I, $(incs)) $(addprefix -D, $(defs))\
+		-Wp,-MD,$(dep) -Wp,-MT,$(obj) -Wp,-MP\
+		$(abspath $(source))\
+		--kObjCache-cc $(obj)\
+		$(TOOL_CLANGXXMACHO_CC) -c\
+		$(flags) -fpreprocessed -x c\
+		-o $(obj)\
+		-
+else
+	$(QUIET)$(TOOL_CLANGXXMACHO_CC) -c\
+		$(flags) $(addprefix -I, $(incs)) $(addprefix -D, $(defs))\
+		-Wp,-MD,$(dep) -Wp,-MT,$(obj) -Wp,-MP\
+		-o $(obj)\
+		$(abspath $(source))
+endif
+	$(QUIET)$(APPEND) -n "$(dep)" "" "$(source):" ""
+endef
+
+
+## Compile C++ source.
+# @param    $(target)   Normalized main target name.
+# @param    $(source)   Source filename (relative).
+# @param    $(obj)      Object file name. This shall be (re)created by the compilation.
+# @param    $(dep)      Dependcy file. This shall be (re)created by the compilation.
+# @param    $(flags)    Flags.
+# @param    $(defs)     Definitions. No -D or something.
+# @param    $(incs)     Includes. No -I or something.
+# @param    $(dirdep)   Directory creation dependency.
+# @param    $(deps)     Other dependencies.
+# @param    $(outbase)  Output basename (full). Use this for list files and such.
+# @param    $(objsuff)  Object suffix.
+TOOL_CLANGXXMACHO_COMPILE_CXX_OUTPUT         = $(if-expr "$(use_objcache)" != "",$(outbase).ii,)
+TOOL_CLANGXXMACHO_COMPILE_CXX_DEPEND         = $($(target)_1_GCC_PCH_FILE)
+TOOL_CLANGXXMACHO_COMPILE_CXX_DEPORD         =
+TOOL_CLANGXXMACHO_COMPILE_CXX_USES_KOBJCACHE = $(if-expr "$(use_objcache)" != "",1,)
+define TOOL_CLANGXXMACHO_COMPILE_CXX_CMDS
+if "$(use_objcache)" != ""
+	$(QUIET)$(KOBJCACHE) -f $(outbase).koc -d $(PATH_OBJCACHE) -t $(bld_trg).$(bld_trg_arch) -p\
+		--kObjCache-cpp $(outbase).ii\
+		$(TOOL_CLANGXXMACHO_CXX) -E -o - $(if-expr defined($(target)_PCH_HDR)\
+		,-fpch-preprocess -Winvalid-pch -I$($(target)_1_GCC_PCH_DIR) -include $(basename $($(target)_1_GCC_PCH_FILE)),)\
+		$(flags) $(addprefix -I, $(incs)) $(addprefix -D, $(defs))\
+		-Wp,-MD,$(dep) -Wp,-MT,$(obj) -Wp,-MP\
+		$(abspath $(source))\
+		--kObjCache-cc $(obj)\
+		$(TOOL_CLANGXXMACHO_CXX) -c\
+		$(flags) -fpreprocessed $(if-expr defined($(target)_PCH_HDR),-fpch-preprocess,) -x c++\
+		-o $(obj)\
+		-
+else
+	$(QUIET)$(TOOL_CLANGXXMACHO_CXX) -c\
+		$(flags) $(addprefix -I, $($(target)_1_GCC_PCH_DIR) $(incs)) $(addprefix -D, $(defs))\
+		-Wp,-MD,$(dep) -Wp,-MT,$(obj) -Wp,-MP\
+		-o $(obj) $(if-expr defined($(target)_PCH_HDR) \
+		,-Winvalid-pch -include $(basename $($(target)_1_GCC_PCH_FILE)),) \
+		$(abspath $(source))
+endif
+	$(QUIET)$(APPEND) -n "$(dep)" "" "$(source):" ""
+endef
+
+
+## Precompile C++ header.
+# @param    $(target)   Normalized main target name.
+# @param    $(source)   Source filename (relative).
+# @param    $(obj)      Object file name. This shall be (re)created by the compilation.
+# @param    $(dep)	    Dependcy file. This shall be (re)created by the compilation.
+# @param    $(flags)    Flags.
+# @param    $(defs)     Definitions. No -D or something.
+# @param    $(incs)     Includes. No -I or something.
+# @param    $(dirdep)   Directory creation dependency.
+# @param    $(deps)		Other dependencies.
+# @param    $(outbase)  Output basename (full). Use this for list files and such.
+# @param    $(objsuff)  Object suffix.
+TOOL_CLANGXXMACHO_COMPILE_PCH_OUTPUT = $($(target)_1_GCC_PCH_FILE)
+TOOL_CLANGXXMACHO_COMPILE_PCH_DEPEND =
+TOOL_CLANGXXMACHO_COMPILE_PCH_DEPORD = $($(target)_1_GCC_PCH_DIR)
+define TOOL_CLANGXXMACHO_COMPILE_PCH_CMDS
+	$(QUIET)$(TOOL_CLANGXXMACHO_PCH) -c\
+		$(flags) $(addprefix -I, $($(target)_1_GCC_PCH_DIR) $(incs)) $(addprefix -D, $(defs))\
+		-Wp,-MD,$(dep) -Wp,-MT,$(obj) -Wp,-MP\
+		-o $(obj)\
+		$(abspath $(source))
+	$(INSTALL) --hard-link-files-when-possible -m 0644 -- "$(obj)" "$($(target)_1_GCC_PCH_FILE)"
+	$(QUIET)$(APPEND) -n "$(dep)" "" "$(source):" ""
+endef
+
+
+## Compile Objective-C source.
+# @param    $(target)   Normalized main target name.
+# @param    $(source)   Source filename (relative).
+# @param    $(obj)      Object file name. This shall be (re)created by the compilation.
+# @param    $(dep)	    Dependcy file. This shall be (re)created by the compilation.
+# @param    $(flags)    Flags.
+# @param    $(defs)     Definitions. No -D or something.
+# @param    $(incs)     Includes. No -I or something.
+# @param    $(dirdep)   Directory creation dependency.
+# @param    $(deps)		Other dependencies.
+# @param    $(outbase)  Output basename (full). Use this for list files and such.
+# @param    $(objsuff)  Object suffix.
+TOOL_CLANGXXMACHO_COMPILE_OBJC_DEPEND =
+TOOL_CLANGXXMACHO_COMPILE_OBJC_DEPORD =
+ifdef KBUILD_USE_KOBJCACHE
+TOOL_CLANGXXMACHO_COMPILE_OBJC_USES_KOBJCACHE = 1
+TOOL_CLANGXXMACHO_COMPILE_OBJC_OUTPUT = $(outbase).mi
+define TOOL_CLANGXXMACHO_COMPILE_OBJC_CMDS
+	$(QUIET)$(KOBJCACHE) -f $(outbase).koc -d $(PATH_OBJCACHE) -t $(bld_trg).$(bld_trg_arch) -p\
+		--kObjCache-cpp $(outbase).ii\
+		$(TOOL_CLANGXXMACHO_OBJC) -E -o -\
+		$(flags) $(addprefix -I, $(incs)) $(addprefix -D, $(defs))\
+		-Wp,-MD,$(dep) -Wp,-MT,$(obj) -Wp,-MP\
+		$(abspath $(source))\
+		--kObjCache-cc $(obj)\
+		$(TOOL_CLANGXXMACHO_OBJC) -c\
+		$(flags) -fpreprocessed -x objective-c \
+		-o $(obj)\
+		-
+	$(QUIET)$(APPEND) -n "$(dep)" "" "$(source):" ""
+endef
+else  # !KBUILD_USE_KOBJCACHE
+TOOL_CLANGXXMACHO_COMPILE_OBJC_OUTPUT =
+define TOOL_CLANGXXMACHO_COMPILE_OBJC_CMDS
+	$(QUIET)$(TOOL_CLANGXXMACHO_OBJC) -c\
+		$(flags) $(addprefix -I, $(incs)) $(addprefix -D, $(defs))\
+		-Wp,-MD,$(dep) -Wp,-MT,$(obj) -Wp,-MP\
+		-o $(obj)\
+		$(abspath $(source))
+	$(QUIET)$(APPEND) -n "$(dep)" "" "$(source):" ""
+endef
+endif # !KBUILD_USE_KOBJCACHE
+
+
+## Compile Objective-C++ source.
+# @param    $(target)   Normalized main target name.
+# @param    $(source)   Source filename (relative).
+# @param    $(obj)      Object file name. This shall be (re)created by the compilation.
+# @param    $(dep)	    Dependcy file. This shall be (re)created by the compilation.
+# @param    $(flags)    Flags.
+# @param    $(defs)     Definitions. No -D or something.
+# @param    $(incs)     Includes. No -I or something.
+# @param    $(dirdep)   Directory creation dependency.
+# @param    $(deps)		Other dependencies.
+# @param    $(outbase)  Output basename (full). Use this for list files and such.
+# @param    $(objsuff)  Object suffix.
+TOOL_CLANGXXMACHO_COMPILE_OBJCXX_DEPEND =
+TOOL_CLANGXXMACHO_COMPILE_OBJCXX_DEPORD =
+ifdef KBUILD_USE_KOBJCACHE
+TOOL_CLANGXXMACHO_COMPILE_OBJCXX_USES_KOBJCACHE = 1
+TOOL_CLANGXXMACHO_COMPILE_OBJCXX_OUTPUT = $(outbase).mii
+define TOOL_CLANGXXMACHO_COMPILE_OBJCXX_CMDS
+	$(QUIET)$(KOBJCACHE) -f $(outbase).koc -d $(PATH_OBJCACHE) -t $(bld_trg).$(bld_trg_arch) -p\
+		--kObjCache-cpp $(outbase).mii\
+		$(TOOL_CLANGXXMACHO_OBJCXX) -E -o -\
+		$(flags) $(addprefix -I, $(incs)) $(addprefix -D, $(defs))\
+		-Wp,-MD,$(dep) -Wp,-MT,$(obj) -Wp,-MP\
+		$(abspath $(source))\
+		--kObjCache-cc $(obj)\
+		$(TOOL_CLANGXXMACHO_OBJCXX) -c\
+		$(flags) -fpreprocessed -x objective-c++ \
+		-o $(obj)\
+		-
+	$(QUIET)$(APPEND) -n "$(dep)" "" "$(source):" ""
+endef
+else  # !KBUILD_USE_KOBJCACHE
+TOOL_CLANGXXMACHO_COMPILE_OBJCXX_OUTPUT =
+define TOOL_CLANGXXMACHO_COMPILE_OBJCXX_CMDS
+	$(QUIET)$(TOOL_CLANGXXMACHO_OBJCXX) -c\
+		$(flags) $(addprefix -I, $(incs)) $(addprefix -D, $(defs))\
+		-Wp,-MD,$(dep) -Wp,-MT,$(obj) -Wp,-MP\
+		-o $(obj)\
+		$(abspath $(source))
+	$(QUIET)$(APPEND) -n "$(dep)" "" "$(source):" ""
+endef
+endif # !KBUILD_USE_KOBJCACHE
+
+
+## Compile Assembly source.
+# @param    $(target)   Normalized main target name.
+# @param    $(source)   Source filename (relative).
+# @param    $(obj)      Object file name. This shall be (re)created by the compilation.
+# @param    $(dep)      Dependcy file. This shall be (re)created by the compilation.
+# @param    $(flags)    Flags.
+# @param    $(defs)     Definitions. No -D or something.
+# @param    $(incs)     Includes. No -I or something.
+# @param    $(dirdep)   Directory creation dependency.
+# @param    $(deps)     Other dependencies.
+# @param    $(outbase)  Output basename (full). Use this for list files and such.
+# @param    $(objsuff)  Object suffix.
+#
+TOOL_CLANGXXMACHO_COMPILE_AS_OUTPUT =
+TOOL_CLANGXXMACHO_COMPILE_AS_DEPEND =
+TOOL_CLANGXXMACHO_COMPILE_AS_DEPORD =
+define TOOL_CLANGXXMACHO_COMPILE_AS_CMDS
+	$(QUIET)$(TOOL_CLANGXXMACHO_AS) -c\
+		$(flags) $(addprefix -I, $(incs)) $(addprefix -D, $(defs))\
+		-Wp,-MD,$(dep) -Wp,-MT,$(obj) -Wp,-MP\
+		-o $(obj)\
+		$(abspath $(source))
+	$(QUIET)$(APPEND) -n "$(dep)" "" "$(source):" ""
+endef
+
+
+## Link library
+# @param    $(target)   Normalized main target name.
+# @param    $(out)      Library name.
+# @param    $(objs)     Object files to put in the library.
+# @param    $(flags)    Flags.
+# @param    $(dirdep)   Directory creation dependency.
+# @param    $(deps)     Other dependencies.
+# @param    $(othersrc) Unhandled sources.
+# @param    $(outbase)  Output basename (full). Use this for list files and such.
+TOOL_CLANGXXMACHO_LINK_LIBRARY_OUTPUT =
+TOOL_CLANGXXMACHO_LINK_LIBRARY_DEPEND = $(othersrc)
+TOOL_CLANGXXMACHO_LINK_LIBRARY_DEPORD =
+define TOOL_CLANGXXMACHO_LINK_LIBRARY_CMDS
+	$(if $(strip $(filter-out %.h.gch,$(objs))),$(call xargs,$(QUIET)$(TOOL_CLANGXXMACHO_AR) $(flags) $(out),$(filter-out %.h.gch,$(objs))))
+	$(foreach lib,$(othersrc)\
+		,$(NL)$(TAB)$(call MSG_AR_MERGE,$(target),$(out),$(lib)) \
+		$(NL)$(TAB)$(QUIET)$(RM_EXT) -f $(dir $(outbase))ar.tmp.dir/* \
+		$(NL)$(TAB)$(QUIET)$(MKDIR) -p $(dir $(outbase))/ar.tmp.dir/ \
+		$(NL)$(TAB)$(QUIET)(cd $(dir $(outbase))ar.tmp.dir/ \
+			&& $(TOOL_CLANGXXMACHO_AR) -x $(abspath $(lib)) \
+		    && $(RM_EXT) -f ./__.SYMDEF* \
+			&& $(TOOL_CLANGXXMACHO_AR) $(flags) $(out) *) \
+		$(NL)$(TAB)$(QUIET)$(RM_EXT) -f $(dir $(outbase))/ar.tmp.dir/* \
+		$(NL)$(TAB)$(QUIET)$(RMDIR) $(dir $(outbase))ar.tmp.dir/)
+endef
+
+
+## Link program
+# @param    $(target)   Normalized main target name.
+# @param    $(out)      Program name.
+# @param    $(objs)     Object files to link together.
+# @param    $(libs)     Libraries to search.
+# @param    $(libpath)  Library search paths.
+# @param    $(flags)    Flags.
+# @param    $(dirdep)   Directory creation dependency.
+# @param    $(deps)     Other dependencies.
+# @param    $(othersrc) Unhandled sources.
+# @param    $(custom_pre)   Custom step invoked before linking.
+# @param    $(custom_post)  Custom step invoked after linking.
+# @param    $(outbase)  Output basename (full). Use this for list files and such.
+TOOL_CLANGXXMACHO_LINK_PROGRAM_OUTPUT = $(outbase).rsp
+TOOL_CLANGXXMACHO_LINK_PROGRAM_OUTPUT_DEBUG = $(call TOOL_CLANGXXMACHO_DEBUG_BUNDLE_FN,$(out))
+TOOL_CLANGXXMACHO_LINK_PROGRAM_DEBUG_INSTALL_FN = $(TOOL_CLANGXXMACHO_DEBUG_INSTALL_FN)
+TOOL_CLANGXXMACHO_LINK_PROGRAM_DEPEND = $(foreach lib,$(libs),$(if $(findstring $(lib),$(subst /,x,$(lib))),, $(lib)))
+TOOL_CLANGXXMACHO_LINK_PROGRAM_DEPORD =
+define TOOL_CLANGXXMACHO_LINK_PROGRAM_CMDS
+	$(QUIET)$(APPEND) -n $(outbase).rsp $(filter-out %.h.gch,$(objs))
+	$(QUIET)$(TOOL_CLANGXXMACHO_LD) $(flags) -o $(out)\
+		-filelist $(outbase).rsp\
+		$(foreach p,$(libpath), -L$(p))\
+		$(foreach lib,$(libs), $(if $(findstring $(lib),$(subst /,x,$(lib))), -l$(patsubst lib%,%,$(lib)), $(lib)))
+ ifeq ($(ld_debug),split)
+	$(QUIET)$(TOOL_CLANGXXMACHO_DSYMUTIL) -o $(out).dSYM/ $(out)
+	$(QUIET)$(TOOL_CLANGXXMACHO_STRIP_PROGRAM) $(out)
+ endif
+endef
+
+
+## Link DLL
+# @param    $(target)   Normalized main target name.
+# @param    $(out)      Program name.
+# @param    $(objs)     Object files to link together.
+# @param    $(libs)     Libraries to search.
+# @param    $(libpath)  Library search paths.
+# @param    $(flags)    Flags.
+# @param    $(dirdep)   Directory creation dependency.
+# @param    $(deps)     Other dependencies.
+# @param    $(othersrc) Unhandled sources.
+# @param    $(custom_pre)   Custom step invoked before linking.
+# @param    $(custom_post)  Custom step invoked after linking.
+# @param    $(outbase)  Output basename (full). Use this for list files and such.
+TOOL_CLANGXXMACHO_LINK_DLL_OUTPUT = $(outbase).rsp
+TOOL_CLANGXXMACHO_LINK_DLL_OUTPUT_DEBUG = $(call TOOL_CLANGXXMACHO_DEBUG_BUNDLE_FN,$(out))
+TOOL_CLANGXXMACHO_LINK_DLL_DEBUG_INSTALL_FN = $(TOOL_CLANGXXMACHO_DEBUG_INSTALL_FN)
+TOOL_CLANGXXMACHO_LINK_DLL_DEPEND = $(foreach lib,$(libs),$(if $(findstring $(lib),$(subst /,x,$(lib))),, $(lib)))
+TOOL_CLANGXXMACHO_LINK_DLL_DEPORD =
+define TOOL_CLANGXXMACHO_LINK_DLL_CMDS
+	$(QUIET)$(APPEND) -n $(outbase).rsp $(filter-out %.h.gch,$(objs))
+	$(QUIET)$(TOOL_CLANGXXMACHO_LD) $(TOOL_CLANGXXMACHO_LDFLAGS.dll) $(flags) -o $(out)\
+		$(call TOOL_CLANGXXMACHO_LD_SONAME,$(target),$(out))\
+		-filelist $(outbase).rsp\
+		$(foreach p,$(libpath), -L$(p))\
+		$(foreach lib,$(libs), $(if $(findstring $(lib),$(subst /,x,$(lib))), -l$(patsubst lib%,%,$(lib)), $(lib)))
+ ifeq ($(ld_debug),split)
+	$(QUIET)$(TOOL_CLANGXXMACHO_DSYMUTIL) -o $(out).dSYM/ $(out)
+	$(QUIET)$(TOOL_CLANGXXMACHO_STRIP_DLL) $(out)
+ endif
+endef
+
+
+## Link system module (windows aka driver, linux aka kernel module)
+# @param    $(target)   Normalized main target name.
+# @param    $(out)      System module name.
+# @param    $(objs)     Object files to link together.
+# @param    $(libs)     Libraries to search.
+# @param    $(libpath)  Library search paths.
+# @param    $(flags)    Flags.
+# @param    $(dirdep)   Directory creation dependency.
+# @param    $(deps)     Other dependencies.
+# @param    $(othersrc) Unhandled sources.
+# @param    $(custom_pre)   Custom step invoked before linking.
+# @param    $(custom_post)  Custom step invoked after linking.
+# @param    $(outbase)  Output basename (full). Use this for list files and such.
+TOOL_CLANGXXMACHO_LINK_SYSMOD_OUTPUT = $(outbase).rsp
+TOOL_CLANGXXMACHO_LINK_SYSMOD_OUTPUT_DEBUG = $(call TOOL_CLANGXXMACHO_DEBUG_BUNDLE_FN,$(out))
+TOOL_CLANGXXMACHO_LINK_SYSMOD_DEBUG_INSTALL_FN = $(TOOL_CLANGXXMACHO_DEBUG_INSTALL_FN)
+TOOL_CLANGXXMACHO_LINK_SYSMOD_DEPEND = $(foreach lib,$(libs),$(if $(findstring $(lib),$(subst /,x,$(lib))),, $(lib)))
+TOOL_CLANGXXMACHO_LINK_SYSMOD_DEPORD =
+define TOOL_CLANGXXMACHO_LINK_SYSMOD_CMDS
+	$(QUIET)$(APPEND) -n $(outbase).rsp $(filter-out %.h.gch,$(objs))
+	$(QUIET)$(TOOL_CLANGXXMACHO_LD_SYSMOD) $(TOOL_CLANGXXMACHO_LDFLAGS.sysmod) $(flags) -o $(out)\
+		-filelist $(outbase).rsp\
+		$(foreach p,$(libpath), -L$(p))\
+		$(foreach lib,$(libs), $(if $(findstring $(lib),$(subst /,x,$(lib))), -l$(patsubst lib%,%,$(lib)), $(lib)))
+ ifeq ($(ld_debug),split)
+	$(QUIET)$(TOOL_CLANGXXMACHO_DSYMUTIL) -o $(out).dSYM/ $(out)
+	$(QUIET)$(TOOL_CLANGXXMACHO_STRIP_SYSMOD) $(out)
+ endif
+endef
+
