rule Libstdc++ForImage
{
	# Libstdc++ForImage
	#
	# Returns the c++-standard-library to be put onto the image.

	if $(TARGET_PACKAGING_ARCH) = x86_gcc2 {
		# the libstdc++.so for our legacy compiler (needs to be built)
		return libstdc++.r4.so ;
	}

	# libstdc++.so for other architectures comes with the gcc_syslibs
	# package, so there's no library to put onto the image directly.
	return ;
}


rule TargetLibstdc++ asPath
{
	# TargetLibstdc++ [ <asPath> ]
	#
	# Returns the c++-standard-library for the target.
	# Invoking with <asPath> = true will return the full library path.

	if $(TARGET_PLATFORM) = haiku {
		if $(TARGET_PACKAGING_ARCH) = x86_gcc2 {
			# the libstdc++.so for our legacy compiler (needs to be built)
			return libstdc++.r4.so ;
		}
		# return libstdc++.so from the gcc_syslibs build feature.
		local flags ;
		if $(asPath) = true {
			flags += path ;
		}
		return [
			BuildFeatureAttribute gcc_syslibs : libstdc++.so : $(flags)
		] ;
	} else {
		if $(TARGET_PLATFORM) = libbe_test {
			# Use the existing host library
			return stdc++.r4 ;
		}
		# TODO: return libstdc++.so for non-Haiku target platform if needed
	}
}


rule TargetLibsupc++ asPath
{
	# TargetLibsupc++ [ <asPath> ]
	#
	# Returns the c++-support-library for the target.
	# Invoking with <asPath> = true will return the full library path.

	if $(TARGET_PLATFORM) = haiku {
		if $(TARGET_PACKAGING_ARCH) = x86_gcc2 {
			# there is no libsupc++.so for the legacy compiler
			return ;
		}
		# return libstdc++.so (which includes libsupc++) from the gcc_syslibs
		# build feature.
		local flags ;
		if $(asPath) = true {
			flags += path ;
		}
		return [
			BuildFeatureAttribute gcc_syslibs : libstdc++.so : $(flags)
		] ;
	} else {
		# TODO: return libsupc++.so for non-Haiku target platform if needed
	}
}


rule TargetStaticLibsupc++ asPath
{
	# TargetStaticLibsupc++ [ <asPath> ]
	#
	# Returns the static c++-support-library for the target.
	# Invoking with <asPath> = true will return the full library path.

	if $(TARGET_PLATFORM) = haiku {
		# return libsupc++.a from the gcc_syslibs_devel build feature.
		local flags ;
		if $(asPath) = true {
			flags += path ;
		}
		return [
			BuildFeatureAttribute gcc_syslibs_devel : libsupc++.a : $(flags)
		] ;
	} else {
		# TODO: return libsupc++.a for non-Haiku target platform if needed
	}
}


rule TargetKernelLibsupc++ asPath
{
	# TargetKernelLibsupc++ [ <asPath> ]
	#
	# Returns the static kernel c++-support-library for the target.
	# Invoking with <asPath> = true will return the full library path.

	if $(TARGET_PLATFORM) = haiku {
		# return libsupc++-kernel.a from the gcc_syslibs_devel build feature.
		local flags ;
		if $(asPath) = true {
			flags += path ;
		}
		return [
			BuildFeatureAttribute gcc_syslibs_devel
				: libsupc++-kernel.a : $(flags)
		] ;
	} else {
		# There is no libsupc++-kernel.a for non-Haiku target platform
	}
}


rule TargetBootLibsupc++ asPath
{
	# TargetBootLibsupc++ [ <asPath> ]
	#
	# Returns the static bootloader c++-support-library for the target.
	# Invoking with <asPath> = true will return the full library path.

	if $(TARGET_PLATFORM) = haiku {
		if $(TARGET_PACKAGING_ARCH) = x86_64 {
			# we need to use the 32-bit libsupc++.a built by the cross-compiler
			return $(TARGET_BOOT_LIBSUPC++) ;

			# TODO: ideally, we would build this as part of gcc_syslibs_devel,
			#       but that isn't currently possible, as that would require
			#       32-bit support (libraries and glue-code) on x86_64-Haiku.
		}
		# no special boot version of libsupc++.a needed, so we return
		# libsupc++-kernel.a from the gcc_syslibs_devel build feature.
		local flags ;
		if $(asPath) = true {
			flags += path ;
		}
		return [
			BuildFeatureAttribute gcc_syslibs_devel
				: libsupc++-kernel.a : $(flags)
		] ;
	} else {
		# There is no libsupc++-boot.a for non-Haiku target platform
	}
}


rule TargetLibgcc asPath
{
	# TargetLibgcc [ <asPath> ]
	#
	# Returns the default libgcc(s) for the target. On x86_gcc2, this is the
	# static libgcc, on everything else this will return the shared libgcc_s
	# followed by the static libgcc (both are needed as they do not contain
	# the same set of symbols).
	# Invoking with <asPath> = true will return the full library path.

	if $(TARGET_PLATFORM) = haiku {
		local flags ;
		if $(asPath) = true {
			flags += path ;
		}
		if $(TARGET_PACKAGING_ARCH) = x86_gcc2 {
			# return libgcc.a from the gcc_syslibs_devel build feature.
			return [
				BuildFeatureAttribute gcc_syslibs_devel : libgcc.a : $(flags)
			] ;
		} else {
			# return libgcc_s.so from the gcc_syslibs build feature and libgcc.a
			# from the gcc_syslibs_devel build feature.
			return [
				BuildFeatureAttribute gcc_syslibs : libgcc_s.so.1 : $(flags)
			] [
				BuildFeatureAttribute gcc_syslibs_devel : libgcc.a : $(flags)
			] ;
		}
	} else {
		# TODO: return libgcc for non-Haiku target platform if needed
	}
}


rule TargetStaticLibgcc asPath
{
	# TargetStaticLibgcc [ <asPath> ]
	#
	# Returns the static libgcc for the target.
	# Invoking with <asPath> = true will return the full library path.

	if $(TARGET_PLATFORM) = haiku {
		# return libgcc.a from the gcc_syslibs_devel build feature.
		local flags ;
		if $(asPath) = true {
			flags += path ;
		}
		return [
			BuildFeatureAttribute gcc_syslibs_devel : libgcc.a : $(flags)
		] ;
	} else {
		# TODO: return libgcc.a for non-Haiku target platform if needed
	}
}


rule TargetKernelLibgcc asPath
{
	# TargetKernelLibgcc [ <asPath> ]
	#
	# Returns the static kernel libgcc for the target.
	# Invoking with <asPath> = true will return the full library path.

	if $(TARGET_PLATFORM) = haiku {
		# return libgcc-kernel.a from the gcc_syslibs_devel build feature.
		local flags ;
		if $(asPath) = true {
			flags += path ;
		}
		return [
			BuildFeatureAttribute gcc_syslibs_devel
				: libgcc-kernel.a : $(flags)
		] ;
	} else {
		# there is no libgcc-kernel.a for non-Haiku target platform
	}
}


rule TargetBootLibgcc asPath
{
	# TargetBootLibgcc [ <asPath> ]
	#
	# Returns the static bootloader libgcc for the target.
	# Invoking with <asPath> = true will return the full library path.

	if $(TARGET_PLATFORM) = haiku {
		if $(TARGET_PACKAGING_ARCH) = x86_64 {
			# we need to use the 32-bit libgcc.a built by the cross-compiler
			return $(TARGET_BOOT_LIBGCC) ;

			# TODO: ideally, we would build this as part of gcc_syslibs_devel,
			#       but that isn't currently possible, as that would require
			#       32-bit support (libraries and glue-code) on x86_64-Haiku.
		}
		# no special boot version of libgcc needed, so we return
		# libgcc-kernel.a from the gcc_syslibs_devel build feature.
		local flags ;
		if $(asPath) = true {
			flags += path ;
		}
		return [
			BuildFeatureAttribute gcc_syslibs_devel
				: libgcc-kernel.a : $(flags)
		] ;
	} else {
		# there is no libgcc-boot.a for non-Haiku target platform
	}
}


rule TargetStaticLibgcceh asPath
{
	# TargetStaticLibgcceh [ <asPath> ]
	#
	# Returns the static libgcc_eh for the target.
	# Invoking with <asPath> = true will return the full library path.

	if $(TARGET_PLATFORM) = haiku {
		# return libgcc.a from the gcc_syslibs_devel build feature.
		local flags ;
		if $(asPath) = true {
			flags += path ;
		}
		return [
			BuildFeatureAttribute gcc_syslibs_devel : libgcc_eh.a : $(flags)
		] ;
	} else {
		# TODO: return libgcc_eh.a for non-Haiku target platform if needed
	}
}


rule TargetKernelLibgcceh asPath
{
	# TargetKernelLibgcceh [ <asPath> ]
	#
	# Returns the static kernel libgcc_eh for the target.
	# Invoking with <asPath> = true will return the full library path.

	if $(TARGET_PLATFORM) = haiku {
		# return libgcc_eh-kernel.a from the gcc_syslibs_devel build feature.
		local flags ;
		if $(asPath) = true {
			flags += path ;
		}
		return [
			BuildFeatureAttribute gcc_syslibs_devel
				: libgcc_eh-kernel.a : $(flags)
		] ;
	} else {
		# there is no libgcc_eh-kernel.a for non-Haiku target platform
	}
}


rule C++HeaderDirectories architecture
{
	# C++HeaderDirectories
	#
	# Returns the c++ header directories to use for the given architecture.

	local c++HeaderDirs ;
	if $(architecture) = x86_gcc2 {
		c++HeaderDirs = [ FDirName $(HAIKU_TOP) headers cpp ] ;
	} else if $(PLATFORM) = bootstrap_stage0 {
		# Currently, no c++-headers are needed for stage0 of the boostrap.
	} else {
		local baseDir = [
			BuildFeatureAttribute gcc_syslibs_devel : c++-headers : path
		] ;
		if $(baseDir) {
			c++HeaderDirs =
				$(baseDir)
				[ FDirName $(baseDir) $(HAIKU_GCC_MACHINE_$(architecture)) ]
				[ FDirName $(baseDir) backward ]
				[ FDirName $(baseDir) ext ]
				;
		}
	}

	return $(c++HeaderDirs) ;
}

rule GccHeaderDirectories architecture
{
	# GccHeaderDirectories
	#
	# Returns the gcc header directories to use for the given architecture.

	local gccHeaderDirs ;
	if $(architecture) = x86_gcc2 {
		gccHeaderDirs = [ FDirName $(HAIKU_TOP) headers build gcc-2.95.3 ] ;
	} else if $(PLATFORM) = bootstrap_stage0 {
		gccHeaderDirs =
			[ FDirName $(HAIKU_GCC_LIB_DIR_$(architecture)) include ]
			[ FDirName $(HAIKU_GCC_LIB_DIR_$(architecture)) include-fixed ]
			;
	} else {
		local baseDir = [
			BuildFeatureAttribute gcc_syslibs_devel : gcc-headers : path
		] ;
		if $(baseDir) {
			gccHeaderDirs =
				[ FDirName $(baseDir) include ]
				[ FDirName $(baseDir) include-fixed ]
				;
		}
	}

	return $(gccHeaderDirs) ;
}