pre

# Makefile.in is generated from Makefile.tpl by 'autogen Makefile.def'.
#
# Makefile for directory with subdirs to build.
#   Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
#   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
#   Free Software Foundation
#
# This file 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 3 of the License, or
# (at your option) any later version.
# 
# This program 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 this program; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.
#

# First, test for a proper version of make, but only where one is required.

ifeq (,$(.VARIABLES)) # The variable .VARIABLES, new with 3.80, is never empty.
$(error GNU make version 3.80 or newer is required.)
endif

# -------------------------------
# Standard Autoconf-set variables
# -------------------------------
VPATH=..

build_alias=x86_64-pc-linux-gnu
build_vendor=pc
build_os=linux-gnu
build=x86_64-pc-linux-gnu
host_alias=x86_64-pc-linux-gnu
host_vendor=pc
host_os=linux-gnu
host=x86_64-pc-linux-gnu
target_alias=x86_64-pc-linux-gnu
target_vendor=pc
target_os=linux-gnu
target=x86_64-pc-linux-gnu

program_transform_name = s,y,y,

prefix = /usr/local
exec_prefix = ${prefix}

srcdir = ..

bindir = ${exec_prefix}/bin
sbindir = ${exec_prefix}/sbin
libexecdir = ${exec_prefix}/libexec
datadir = ${datarootdir}
sysconfdir = ${prefix}/etc
sharedstatedir = ${prefix}/com
localstatedir = ${prefix}/var
libdir = ${exec_prefix}/lib
includedir = ${prefix}/include
oldincludedir = /usr/include
infodir = ${datarootdir}/info
datarootdir = ${prefix}/share
docdir = ${datarootdir}/doc/${PACKAGE}
pdfdir = ${docdir}
htmldir = ${docdir}
mandir = ${datarootdir}/man
man1dir = $(mandir)/man1
man2dir = $(mandir)/man2
man3dir = $(mandir)/man3
man4dir = $(mandir)/man4
man5dir = $(mandir)/man5
man6dir = $(mandir)/man6
man7dir = $(mandir)/man7
man8dir = $(mandir)/man8
man9dir = $(mandir)/man9

INSTALL = /usr/bin/install -c
INSTALL_PROGRAM = ${INSTALL}
INSTALL_SCRIPT = ${INSTALL}
INSTALL_DATA = ${INSTALL} -m 644
LN = ln
LN_S = ln -s
MAINT = #
MAINTAINER_MODE_FALSE = 
MAINTAINER_MODE_TRUE = #

# -------------------------------------------------
# Miscellaneous non-standard autoconf-set variables
# -------------------------------------------------

# The gcc driver likes to know the arguments it was configured with.
TOPLEVEL_CONFIGURE_ARGUMENTS=../configure --disable-multilib --enable-languages=c

tooldir = ${exec_prefix}/x86_64-pc-linux-gnu
build_tooldir = ${exec_prefix}/x86_64-pc-linux-gnu

# This is the name of the environment variable used for the path to
# the libraries.
RPATH_ENVVAR = LD_LIBRARY_PATH

# On targets where RPATH_ENVVAR is PATH, a subdirectory of the GCC build path
# is used instead of the directory itself to avoid including built
# executables in PATH.
GCC_SHLIB_SUBDIR = 

# If the build should make suitable code for shared host resources.
host_shared = no

# Build programs are put under this directory.
BUILD_SUBDIR = build-x86_64-pc-linux-gnu
# This is set by the configure script to the arguments to use when configuring
# directories built for the build system.
BUILD_CONFIGARGS =  --cache-file=./config.cache '--disable-multilib' '--enable-languages=c,c++,lto' --program-transform-name='s,y,y,' --disable-option-checking --with-build-subdir="$(BUILD_SUBDIR)"

# Linker flags to use on the host, for stage1 or when not
# bootstrapping.
STAGE1_LDFLAGS = -static-libstdc++ -static-libgcc

# Libraries to use on the host, for stage1 or when not bootstrapping.
STAGE1_LIBS = 

# Linker flags to use for stage2 and later.
POSTSTAGE1_LDFLAGS = -static-libstdc++ -static-libgcc

# Libraries to use for stage2 and later.
POSTSTAGE1_LIBS = 

# This is the list of variables to export in the environment when
# configuring any subdirectory.  It must also be exported whenever
# recursing into a build directory in case that directory's Makefile
# re-runs configure.
BASE_EXPORTS = \
	FLEX="$(FLEX)"; export FLEX; \
	LEX="$(LEX)"; export LEX; \
	BISON="$(BISON)"; export BISON; \
	YACC="$(YACC)"; export YACC; \
	M4="$(M4)"; export M4; \
	SED="$(SED)"; export SED; \
	AWK="$(AWK)"; export AWK; \
	MAKEINFO="$(MAKEINFO)"; export MAKEINFO;

# This is the list of variables to export in the environment when
# configuring subdirectories for the build system.
BUILD_EXPORTS = \
	$(BASE_EXPORTS) \
	AR="$(AR_FOR_BUILD)"; export AR; \
	AS="$(AS_FOR_BUILD)"; export AS; \
	CC="$(CC_FOR_BUILD)"; export CC; \
	CFLAGS="$(CFLAGS_FOR_BUILD)"; export CFLAGS; \
	CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
	CPP="$(CPP_FOR_BUILD)"; export CPP; \
	CPPFLAGS="$(CPPFLAGS_FOR_BUILD)"; export CPPFLAGS; \
	CXX="$(CXX_FOR_BUILD)"; export CXX; \
	CXXFLAGS="$(CXXFLAGS_FOR_BUILD)"; export CXXFLAGS; \
	GFORTRAN="$(GFORTRAN_FOR_BUILD)"; export GFORTRAN; \
	GOC="$(GOC_FOR_BUILD)"; export GOC; \
	GOCFLAGS="$(GOCFLAGS_FOR_BUILD)"; export GOCFLAGS; \
	GDC="$(GDC_FOR_BUILD)"; export GDC; \
	GDCFLAGS="$(GDCFLAGS_FOR_BUILD)"; export GDCFLAGS; \
	DLLTOOL="$(DLLTOOL_FOR_BUILD)"; export DLLTOOL; \
	DSYMUTIL="$(DSYMUTIL_FOR_BUILD)"; export DSYMUTIL; \
	LD="$(LD_FOR_BUILD)"; export LD; \
	LDFLAGS="$(LDFLAGS_FOR_BUILD)"; export LDFLAGS; \
	NM="$(NM_FOR_BUILD)"; export NM; \
	RANLIB="$(RANLIB_FOR_BUILD)"; export RANLIB; \
	WINDRES="$(WINDRES_FOR_BUILD)"; export WINDRES; \
	WINDMC="$(WINDMC_FOR_BUILD)"; export WINDMC;

# These variables must be set on the make command line for directories
# built for the build system to override those in BASE_FLAGS_TO_PASS.
EXTRA_BUILD_FLAGS = \
	CFLAGS="$(CFLAGS_FOR_BUILD)" \
	LDFLAGS="$(LDFLAGS_FOR_BUILD)"

# This is the list of directories to built for the host system.
SUBDIRS =  intl libiberty zlib libbacktrace libcpp libcody libdecnumber fixincludes gcc libcc1 c++tools lto-plugin
TARGET_CONFIGDIRS =  libgcc libgomp libatomic libitm libstdc++-v3 libsanitizer libvtv libssp libquadmath
# This is set by the configure script to the arguments to use when configuring
# directories built for the host system.
HOST_CONFIGARGS =  --cache-file=./config.cache  '--disable-multilib' '--enable-languages=c,c++,lto' --program-transform-name='s,y,y,' --disable-option-checking
# Host programs are put under this directory, which is . except if building
# with srcdir=..
# This is the list of variables to export in the environment when
# configuring subdirectories for the host system.  We need to pass
# some to the GCC configure because of its hybrid host/target nature.
HOST_EXPORTS = \
	$(BASE_EXPORTS) \
	CC="$(CC)"; export CC; \
	ADA_CFLAGS="$(ADA_CFLAGS)"; export ADA_CFLAGS; \
	CFLAGS="$(CFLAGS)"; export CFLAGS; \
	CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
	CXX="$(CXX)"; export CXX; \
	CXXFLAGS="$(CXXFLAGS)"; export CXXFLAGS; \
	GFORTRAN="$(GFORTRAN)"; export GFORTRAN; \
	GOC="$(GOC)"; export GOC; \
	GDC="$(GDC)"; export GDC; \
	AR="$(AR)"; export AR; \
	AS="$(AS)"; export AS; \
	CC_FOR_BUILD="$(CC_FOR_BUILD)"; export CC_FOR_BUILD; \
	CPP_FOR_BUILD="$(CPP_FOR_BUILD)"; export CPP_FOR_BUILD; \
	CPPFLAGS_FOR_BUILD="$(CPPFLAGS_FOR_BUILD)"; export CPPFLAGS_FOR_BUILD; \
	CXX_FOR_BUILD="$(CXX_FOR_BUILD)"; export CXX_FOR_BUILD; \
	DLLTOOL="$(DLLTOOL)"; export DLLTOOL; \
	DSYMUTIL="$(DSYMUTIL)"; export DSYMUTIL; \
	LD="$(LD)"; export LD; \
	LDFLAGS="$(STAGE1_LDFLAGS) $(LDFLAGS)"; export LDFLAGS; \
	NM="$(NM)"; export NM; \
	RANLIB="$(RANLIB)"; export RANLIB; \
	WINDRES="$(WINDRES)"; export WINDRES; \
	WINDMC="$(WINDMC)"; export WINDMC; \
	OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \
	OBJDUMP="$(OBJDUMP)"; export OBJDUMP; \
	OTOOL="$(OTOOL)"; export OTOOL; \
	READELF="$(READELF)"; export READELF; \
	AR_FOR_TARGET="$(AR_FOR_TARGET)"; export AR_FOR_TARGET; \
	AS_FOR_TARGET="$(AS_FOR_TARGET)"; export AS_FOR_TARGET; \
	DSYMUTIL_FOR_TARGET="$(DSYMUTIL_FOR_TARGET)"; export DSYMUTIL_FOR_TARGET; \
	GCC_FOR_TARGET="$(GCC_FOR_TARGET) $$TFLAGS"; export GCC_FOR_TARGET; \
	LD_FOR_TARGET="$(LD_FOR_TARGET)"; export LD_FOR_TARGET; \
	NM_FOR_TARGET="$(NM_FOR_TARGET)"; export NM_FOR_TARGET; \
	OBJDUMP_FOR_TARGET="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP_FOR_TARGET; \
	OBJCOPY_FOR_TARGET="$(OBJCOPY_FOR_TARGET)"; export OBJCOPY_FOR_TARGET; \
	OTOOL_FOR_TARGET="$(OTOOL_FOR_TARGET)"; export OTOOL_FOR_TARGET; \
	RANLIB_FOR_TARGET="$(RANLIB_FOR_TARGET)"; export RANLIB_FOR_TARGET; \
	READELF_FOR_TARGET="$(READELF_FOR_TARGET)"; export READELF_FOR_TARGET; \
	TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \
	HOST_LIBS="$(STAGE1_LIBS)"; export HOST_LIBS; \
	GMPLIBS="$(HOST_GMPLIBS)"; export GMPLIBS; \
	GMPINC="$(HOST_GMPINC)"; export GMPINC; \
	ISLLIBS="$(HOST_ISLLIBS)"; export ISLLIBS; \
	ISLINC="$(HOST_ISLINC)"; export ISLINC; \
	XGCC_FLAGS_FOR_TARGET="$(XGCC_FLAGS_FOR_TARGET)"; export XGCC_FLAGS_FOR_TARGET; \
	$(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
	$(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);

POSTSTAGE1_CXX_EXPORT = \
	CXX='$(CXX)'; export CXX; \
	CXX_FOR_BUILD='$(CXX_FOR_BUILD)'; export CXX_FOR_BUILD;
# Override the above if we're bootstrapping C++.
POSTSTAGE1_CXX_EXPORT = \
	CXX="$(STAGE_CC_WRAPPER) $$r/$(HOST_SUBDIR)/prev-gcc/xg++$(exeext) \
	  -B$$r/$(HOST_SUBDIR)/prev-gcc/ -B$(build_tooldir)/bin/ -nostdinc++ \
	  -B$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/src/.libs \
	  -B$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs \
	  `if $(LEAN); then echo ' -isystem '; else echo ' -I'; fi`$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/include/$(TARGET_SUBDIR) \
	  `if $(LEAN); then echo ' -isystem '; else echo ' -I'; fi`$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/include \
	  `if $(LEAN); then echo ' -isystem '; else echo ' -I'; fi`$$s/libstdc++-v3/libsupc++ \
	  -L$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/src/.libs \
	  -L$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs"; \
	  export CXX; \
	CXX_FOR_BUILD="$$CXX"; export CXX_FOR_BUILD;

# Similar, for later GCC stages.
POSTSTAGE1_HOST_EXPORTS = \
	$(HOST_EXPORTS) \
	CC="$(STAGE_CC_WRAPPER) $$r/$(HOST_SUBDIR)/prev-gcc/xgcc$(exeext) \
	  -B$$r/$(HOST_SUBDIR)/prev-gcc/ -B$(build_tooldir)/bin/ \
	  $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CC; \
	CC_FOR_BUILD="$$CC"; export CC_FOR_BUILD; \
	$(POSTSTAGE1_CXX_EXPORT) \
	$(LTO_EXPORTS) \
	GDC="$$r/$(HOST_SUBDIR)/prev-gcc/gdc$(exeext) -B$$r/$(HOST_SUBDIR)/prev-gcc/ \
	  -B$(build_tooldir)/bin/ $(GDCFLAGS_FOR_TARGET) \
	  -B$$r/prev-$(TARGET_SUBDIR)/libphobos/libdruntime/gcc \
	  -B$$r/prev-$(TARGET_SUBDIR)/libphobos/src \
	  -B$$r/prev-$(TARGET_SUBDIR)/libphobos/src/.libs \
	  -I$$r/prev-$(TARGET_SUBDIR)/libphobos/libdruntime -I$$s/libphobos/libdruntime \
	  -L$$r/prev-$(TARGET_SUBDIR)/libphobos/src/.libs \
	  -B$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/src/.libs \
	  -L$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/src/.libs"; \
	export GDC; \
	GDC_FOR_BUILD="$$GDC"; export GDC_FOR_BUILD; \
	GNATBIND="$$r/$(HOST_SUBDIR)/prev-gcc/gnatbind"; export GNATBIND; \
	LDFLAGS="$(POSTSTAGE1_LDFLAGS) $(BOOT_LDFLAGS)"; export LDFLAGS; \
	HOST_LIBS="$(POSTSTAGE1_LIBS)"; export HOST_LIBS;

# Target libraries are put under this directory:
TARGET_SUBDIR = x86_64-pc-linux-gnu
# This is set by the configure script to the arguments to use when configuring
# directories built for the target.
TARGET_CONFIGARGS = --cache-file=./config.cache   '--disable-multilib' '--enable-languages=c,c++,lto' --program-transform-name='s,y,y,' --disable-option-checking --with-target-subdir="$(TARGET_SUBDIR)"
# This is the list of variables to export in the environment when
# configuring subdirectories for the target system.
BASE_TARGET_EXPORTS = \
	$(BASE_EXPORTS) \
	AR="$(AR_FOR_TARGET)"; export AR; \
	AS="$(COMPILER_AS_FOR_TARGET)"; export AS; \
	CC="$(CC_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CC; \
	CFLAGS="$(CFLAGS_FOR_TARGET)"; export CFLAGS; \
	CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
	CPPFLAGS="$(CPPFLAGS_FOR_TARGET)"; export CPPFLAGS; \
	CXXFLAGS="$(CXXFLAGS_FOR_TARGET)"; export CXXFLAGS; \
	GFORTRAN="$(GFORTRAN_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export GFORTRAN; \
	GOC="$(GOC_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export GOC; \
	GDC="$(GDC_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export GDC; \
	DLLTOOL="$(DLLTOOL_FOR_TARGET)"; export DLLTOOL; \
	DSYMUTIL="$(DSYMUTIL_FOR_TARGET)"; export DSYMUTIL; \
	LD="$(COMPILER_LD_FOR_TARGET)"; export LD; \
	LDFLAGS="$(LDFLAGS_FOR_TARGET)"; export LDFLAGS; \
	LIPO="$(LIPO_FOR_TARGET)"; export LIPO; \
	NM="$(COMPILER_NM_FOR_TARGET)"; export NM; \
	OBJDUMP="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP; \
	OBJCOPY="$(OBJCOPY_FOR_TARGET)"; export OBJCOPY; \
	OTOOL="$(OTOOL_FOR_TARGET)"; export OTOOL; \
	RANLIB="$(RANLIB_FOR_TARGET)"; export RANLIB; \
	READELF="$(READELF_FOR_TARGET)"; export READELF; \
	STRIP="$(STRIP_FOR_TARGET)"; export STRIP; \
	WINDRES="$(WINDRES_FOR_TARGET)"; export WINDRES; \
	WINDMC="$(WINDMC_FOR_TARGET)"; export WINDMC; \
	$(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
	$(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
	TARGET_CONFIGDIRS="$(TARGET_CONFIGDIRS)"; export TARGET_CONFIGDIRS;

RAW_CXX_TARGET_EXPORTS = \
	$(BASE_TARGET_EXPORTS) \
	CXX_FOR_TARGET="$(RAW_CXX_FOR_TARGET)"; export CXX_FOR_TARGET; \
	CXX="$(RAW_CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX;

NORMAL_TARGET_EXPORTS = \
	$(BASE_TARGET_EXPORTS) \
	CXX="$(CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX;

# Where to find GMP
HOST_GMPLIBS = -lmpc -lmpfr -lgmp
HOST_GMPINC = 

# Where to find isl
HOST_ISLLIBS = 
HOST_ISLINC = 

# ----------------------------------------------
# Programs producing files for the BUILD machine
# ----------------------------------------------

SHELL = /bin/bash

# pwd command to use.  Allow user to override default by setting PWDCMD in
# the environment to account for automounters.  The make variable must not
# be called PWDCMD, otherwise the value set here is passed to make
# subprocesses and overrides the setting from the user's environment.
# Don't use PWD since it is a common shell environment variable and we
# don't want to corrupt it.
PWD_COMMAND = pwd

# compilers to use to create programs which must be run in the build
# environment.
AR_FOR_BUILD = $(AR)
AS_FOR_BUILD = $(AS)
CC_FOR_BUILD = $(CC)
CFLAGS_FOR_BUILD = -g -O2
CPP_FOR_BUILD = 
CPPFLAGS_FOR_BUILD = 
CXXFLAGS_FOR_BUILD = -g -O2
CXX_FOR_BUILD = $(CXX)
DLLTOOL_FOR_BUILD = $(DLLTOOL)
DSYMUTIL_FOR_BUILD = $(DSYMUTIL)
GFORTRAN_FOR_BUILD = $(GFORTRAN)
GOC_FOR_BUILD = $(GOC)
GDC_FOR_BUILD = $(GDC)
LDFLAGS_FOR_BUILD = 
LD_FOR_BUILD = $(LD)
NM_FOR_BUILD = $(NM)
RANLIB_FOR_BUILD = $(RANLIB)
WINDMC_FOR_BUILD = $(WINDMC)
WINDRES_FOR_BUILD = $(WINDRES)

# Special variables passed down in EXTRA_GCC_FLAGS.  They are defined
# here so that they can be overridden by Makefile fragments.
BUILD_PREFIX = @BUILD_PREFIX@
BUILD_PREFIX_1 = @BUILD_PREFIX_1@

# Flags to pass to stage2 and later makes.  They are defined
# here so that they can be overridden by Makefile fragments.
BOOT_CFLAGS= -g -O2
BOOT_LDFLAGS=
BOOT_ADAFLAGS= -gnatpg

AWK = mawk
SED = /usr/bin/sed
BISON = bison
YACC = bison -y
FLEX = flex
LEX = flex
M4 = m4
MAKEINFO = /media/neon/32MicroSd/psp/CPP_TO_C/gcc/gcc-master/missing makeinfo
EXPECT = expect
RUNTEST = runtest

AUTO_PROFILE = gcc-auto-profile -c 10000000

# This just becomes part of the MAKEINFO definition passed down to
# sub-makes.  It lets flags be given on the command line while still
# using the makeinfo from the object tree.
# (Default to avoid splitting info files by setting the threshold high.)
MAKEINFOFLAGS = --split-size=5000000

# ---------------------------------------------
# Programs producing files for the HOST machine
# ---------------------------------------------

AS = as
AR = ar
AR_FLAGS = rc
CC = gcc
CXX = g++ -std=c++11
DLLTOOL = dlltool
DSYMUTIL = dsymutil
LD = ld
LIPO = lipo
NM = nm
OBJDUMP = objdump
OTOOL = otool
RANLIB = ranlib
READELF = readelf
STRIP = strip
WINDRES = windres
WINDMC = windmc

GDC = no
GNATBIND = no
GNATMAKE = no

CFLAGS = -g -O2
LDFLAGS = 
LIBCFLAGS = $(CFLAGS)
CXXFLAGS = -g -O2
LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
GOCFLAGS = $(CFLAGS)
GDCFLAGS = $(CFLAGS)

# Pass additional PGO and LTO compiler options to the PGO build.
BUILD_CFLAGS = $(PGO_BUILD_CFLAGS) $(PGO_BUILD_LTO_CFLAGS)
override CFLAGS += $(BUILD_CFLAGS)
override CXXFLAGS += $(BUILD_CFLAGS)

# Additional PGO and LTO compiler options to generate profiling data
# for the PGO build.
PGO_BUILD_GEN_FLAGS_TO_PASS = \
	PGO_BUILD_CFLAGS="" \
	PGO_BUILD_LTO_CFLAGS=""

# NB: Filter out any compiler options which may fail PGO training runs.
PGO_BUILD_TRAINING_CFLAGS:= \
	$(filter-out -Werror=%,$(CFLAGS))
PGO_BUILD_TRAINING_CXXFLAGS:=\
	$(filter-out -Werror=%,$(CXXFLAGS))
PGO_BUILD_TRAINING_CFLAGS:= \
	$(filter-out -Wall,$(PGO_BUILD_TRAINING_CFLAGS))
PGO_BUILD_TRAINING_CXXFLAGS:= \
	$(filter-out -Wall,$(PGO_BUILD_TRAINING_CXXFLAGS))
PGO_BUILD_TRAINING_CFLAGS:= \
	$(filter-out -specs=%,$(PGO_BUILD_TRAINING_CFLAGS))
PGO_BUILD_TRAINING_CXXFLAGS:= \
	$(filter-out -specs=%,$(PGO_BUILD_TRAINING_CXXFLAGS))
PGO_BUILD_TRAINING_FLAGS_TO_PASS = \
	PGO_BUILD_TRAINING=yes \
	CFLAGS_FOR_TARGET="$(PGO_BUILD_TRAINING_CFLAGS)" \
	CXXFLAGS_FOR_TARGET="$(PGO_BUILD_TRAINING_CXXFLAGS)"

# Ignore "make check" errors in PGO training runs.
PGO_BUILD_TRAINING_MFLAGS = -i

# Additional PGO and LTO compiler options to use profiling data for the
# PGO build.
PGO_BUILD_USE_FLAGS_TO_PASS = \
	PGO_BUILD_CFLAGS="" \
	PGO_BUILD_LTO_CFLAGS=""

# PGO training targets for the PGO build.  FIXME: Add gold tests to
# training.
PGO-TRAINING-TARGETS = binutils gas gdb ld sim
PGO_BUILD_TRAINING = $(addprefix maybe-check-,$(PGO-TRAINING-TARGETS))

CREATE_GCOV = create_gcov

TFLAGS =

# Defaults for all stages; some are overridden below.

STAGE_CFLAGS = $(BOOT_CFLAGS)
STAGE_TFLAGS = $(TFLAGS)
STAGE_CONFIGURE_FLAGS=--enable-werror-always


# Defaults for stage 1; some are overridden below.
STAGE1_CFLAGS = $(STAGE_CFLAGS)
STAGE1_CXXFLAGS = $(CXXFLAGS)
# Override the above if we're bootstrapping C++.
STAGE1_CXXFLAGS = $(STAGE1_CFLAGS)
STAGE1_TFLAGS = $(STAGE_TFLAGS)
STAGE1_CONFIGURE_FLAGS = $(STAGE_CONFIGURE_FLAGS)

# Defaults for stage 2; some are overridden below.
STAGE2_CFLAGS = $(STAGE_CFLAGS)
STAGE2_CXXFLAGS = $(CXXFLAGS)
# Override the above if we're bootstrapping C++.
STAGE2_CXXFLAGS = $(STAGE2_CFLAGS)
STAGE2_TFLAGS = $(STAGE_TFLAGS)
STAGE2_CONFIGURE_FLAGS = $(STAGE_CONFIGURE_FLAGS)

# Defaults for stage 3; some are overridden below.
STAGE3_CFLAGS = $(STAGE_CFLAGS)
STAGE3_CXXFLAGS = $(CXXFLAGS)
# Override the above if we're bootstrapping C++.
STAGE3_CXXFLAGS = $(STAGE3_CFLAGS)
STAGE3_TFLAGS = $(STAGE_TFLAGS)
STAGE3_CONFIGURE_FLAGS = $(STAGE_CONFIGURE_FLAGS)

# Defaults for stage 4; some are overridden below.
STAGE4_CFLAGS = $(STAGE_CFLAGS)
STAGE4_CXXFLAGS = $(CXXFLAGS)
# Override the above if we're bootstrapping C++.
STAGE4_CXXFLAGS = $(STAGE4_CFLAGS)
STAGE4_TFLAGS = $(STAGE_TFLAGS)
STAGE4_CONFIGURE_FLAGS = $(STAGE_CONFIGURE_FLAGS)

# Defaults for stage profile; some are overridden below.
STAGEprofile_CFLAGS = $(STAGE_CFLAGS)
STAGEprofile_CXXFLAGS = $(CXXFLAGS)
# Override the above if we're bootstrapping C++.
STAGEprofile_CXXFLAGS = $(STAGEprofile_CFLAGS)
STAGEprofile_TFLAGS = $(STAGE_TFLAGS)
STAGEprofile_CONFIGURE_FLAGS = $(STAGE_CONFIGURE_FLAGS)

# Defaults for stage train; some are overridden below.
STAGEtrain_CFLAGS = $(STAGE_CFLAGS)
STAGEtrain_CXXFLAGS = $(CXXFLAGS)
# Override the above if we're bootstrapping C++.
STAGEtrain_CXXFLAGS = $(STAGEtrain_CFLAGS)
STAGEtrain_TFLAGS = $(STAGE_TFLAGS)
STAGEtrain_CONFIGURE_FLAGS = $(STAGE_CONFIGURE_FLAGS)

# Defaults for stage feedback; some are overridden below.
STAGEfeedback_CFLAGS = $(STAGE_CFLAGS)
STAGEfeedback_CXXFLAGS = $(CXXFLAGS)
# Override the above if we're bootstrapping C++.
STAGEfeedback_CXXFLAGS = $(STAGEfeedback_CFLAGS)
STAGEfeedback_TFLAGS = $(STAGE_TFLAGS)
STAGEfeedback_CONFIGURE_FLAGS = $(STAGE_CONFIGURE_FLAGS)

# Defaults for stage autoprofile; some are overridden below.
STAGEautoprofile_CFLAGS = $(STAGE_CFLAGS)
STAGEautoprofile_CXXFLAGS = $(CXXFLAGS)
# Override the above if we're bootstrapping C++.
STAGEautoprofile_CXXFLAGS = $(STAGEautoprofile_CFLAGS)
STAGEautoprofile_TFLAGS = $(STAGE_TFLAGS)
STAGEautoprofile_CONFIGURE_FLAGS = $(STAGE_CONFIGURE_FLAGS)

# Defaults for stage autofeedback; some are overridden below.
STAGEautofeedback_CFLAGS = $(STAGE_CFLAGS)
STAGEautofeedback_CXXFLAGS = $(CXXFLAGS)
# Override the above if we're bootstrapping C++.
STAGEautofeedback_CXXFLAGS = $(STAGEautofeedback_CFLAGS)
STAGEautofeedback_TFLAGS = $(STAGE_TFLAGS)
STAGEautofeedback_CONFIGURE_FLAGS = $(STAGE_CONFIGURE_FLAGS)


# By default, C and C++ are the only stage1 languages, because they are the
# only ones we require to build with the bootstrap compiler, and also the
# only ones useful for building stage2.

STAGE1_CFLAGS = -g
STAGE1_CHECKING = --enable-checking=yes,types,extra
STAGE1_LANGUAGES = c,c++,lto
# * We force-disable intermodule optimizations, even if
#   --enable-intermodule was passed, since the installed compiler
#   probably can't handle them.  Luckily, autoconf always respects
#   the last argument when conflicting --enable arguments are passed.
# * Likewise, we force-disable coverage flags, since the installed
#   compiler probably has never heard of them.
# * We also disable -Wformat, since older GCCs don't understand newer %s.
STAGE1_CONFIGURE_FLAGS = --disable-intermodule $(STAGE1_CHECKING) \
	  --disable-coverage --enable-languages="$(STAGE1_LANGUAGES)" \
	  --disable-build-format-warnings


# When using the slow stage1 compiler disable IL verification and forcefully
# enable it when using the stage2 compiler instead.  As we later compare
# stage2 and stage3 we are merely avoid doing redundant work, plus we apply
# checking when building all target libraries for release builds.
STAGE1_TFLAGS += -fno-checking
STAGE2_CFLAGS += -fno-checking
STAGE2_TFLAGS += -fno-checking
STAGE3_CFLAGS += -fchecking=1
STAGE3_TFLAGS += -fchecking=1

STAGEprofile_CFLAGS = $(STAGE2_CFLAGS) -fprofile-generate
STAGEprofile_TFLAGS = $(STAGE2_TFLAGS)

STAGEtrain_CFLAGS = $(filter-out -fchecking=1,$(STAGE3_CFLAGS))
STAGEtrain_TFLAGS = $(filter-out -fchecking=1,$(STAGE3_TFLAGS))

STAGEfeedback_CFLAGS = $(STAGE4_CFLAGS) -fprofile-use -fprofile-reproducible=parallel-runs
STAGEfeedback_TFLAGS = $(STAGE4_TFLAGS)

STAGEautoprofile_CFLAGS = $(STAGE2_CFLAGS) -g
STAGEautoprofile_TFLAGS = $(STAGE2_TFLAGS)

STAGEautofeedback_CFLAGS = $(STAGE3_CFLAGS)
STAGEautofeedback_TFLAGS = $(STAGE3_TFLAGS)

do-compare = cmp --ignore-initial=16 $$f1 $$f2
do-compare3 = $(do-compare)

# -----------------------------------------------
# Programs producing files for the TARGET machine
# -----------------------------------------------

AR_FOR_TARGET=$(AR)
AS_FOR_TARGET=$(AS)
CC_FOR_TARGET=$(STAGE_CC_WRAPPER) $$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/

# If GCC_FOR_TARGET is not overriden on the command line, then this
# variable is passed down to the gcc Makefile, where it is used to
# build libgcc2.a.  We define it here so that it can itself be
# overridden on the command line.
GCC_FOR_TARGET=$(STAGE_CC_WRAPPER) $$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/
CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) $$r/$(HOST_SUBDIR)/gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs
RAW_CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) $$r/$(HOST_SUBDIR)/gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs
GFORTRAN_FOR_TARGET=$(STAGE_CC_WRAPPER) $(GFORTRAN)
GOC_FOR_TARGET=$(STAGE_CC_WRAPPER) $(GOC)
GDC_FOR_TARGET=$(STAGE_CC_WRAPPER) $(GDC)
DLLTOOL_FOR_TARGET=$(DLLTOOL)
DSYMUTIL_FOR_TARGET=$(DSYMUTIL)
LD_FOR_TARGET=$(LD)

LIPO_FOR_TARGET=$(LIPO)
NM_FOR_TARGET=$(NM)
OBJDUMP_FOR_TARGET=$(OBJDUMP)
OBJCOPY_FOR_TARGET=$(OBJCOPY)
OTOOL_FOR_TARGET=$(OTOOL)
RANLIB_FOR_TARGET=$(RANLIB)
READELF_FOR_TARGET=$(READELF)
STRIP_FOR_TARGET=$(STRIP)
WINDRES_FOR_TARGET=$(WINDRES)
WINDMC_FOR_TARGET=$(WINDMC)

COMPILER_AS_FOR_TARGET=$$r/$(HOST_SUBDIR)/gcc/as
COMPILER_LD_FOR_TARGET=$$r/$(HOST_SUBDIR)/gcc/collect-ld
COMPILER_NM_FOR_TARGET=$$r/$(HOST_SUBDIR)/gcc/nm

CFLAGS_FOR_TARGET = -g -O2
CXXFLAGS_FOR_TARGET = -g -O2

LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
LDFLAGS_FOR_TARGET = 
GOCFLAGS_FOR_TARGET = -O2 -g
GDCFLAGS_FOR_TARGET = -O2 -g

FLAGS_FOR_TARGET =  -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include
SYSROOT_CFLAGS_FOR_TARGET = 
DEBUG_PREFIX_CFLAGS_FOR_TARGET = 

XGCC_FLAGS_FOR_TARGET = $(FLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)

# ------------------------------------
# Miscellaneous targets and flag lists
# ------------------------------------

#### host and target specific makefile fragments come in here.
CXXFLAGS_FOR_TARGET += -D_GNU_SOURCE
###

# This is the list of directories that may be needed in RPATH_ENVVAR
# so that programs built for the target machine work.
TARGET_LIB_PATH = $(TARGET_LIB_PATH_libstdc++-v3)$(TARGET_LIB_PATH_libsanitizer)$(TARGET_LIB_PATH_libvtv)$(TARGET_LIB_PATH_liboffloadmic)$(TARGET_LIB_PATH_libssp)$(TARGET_LIB_PATH_libphobos)$(TARGET_LIB_PATH_libgomp)$(TARGET_LIB_PATH_libitm)$(TARGET_LIB_PATH_libatomic)$(HOST_LIB_PATH_gcc)

TARGET_LIB_PATH_libstdc++-v3 = $$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs:

TARGET_LIB_PATH_libsanitizer = $$r/$(TARGET_SUBDIR)/libsanitizer/.libs:

TARGET_LIB_PATH_libvtv = $$r/$(TARGET_SUBDIR)/libvtv/.libs:


TARGET_LIB_PATH_libssp = $$r/$(TARGET_SUBDIR)/libssp/.libs:


TARGET_LIB_PATH_libgomp = $$r/$(TARGET_SUBDIR)/libgomp/.libs:

TARGET_LIB_PATH_libitm = $$r/$(TARGET_SUBDIR)/libitm/.libs:

TARGET_LIB_PATH_libatomic = $$r/$(TARGET_SUBDIR)/libatomic/.libs:



# This is the list of directories that may be needed in RPATH_ENVVAR
# so that programs built for the host machine work.
HOST_LIB_PATH = $(HOST_LIB_PATH_gmp)$(HOST_LIB_PATH_mpfr)$(HOST_LIB_PATH_mpc)$(HOST_LIB_PATH_isl)

# Define HOST_LIB_PATH_gcc here, for the sake of TARGET_LIB_PATH, ouch
HOST_LIB_PATH_gcc = $$r/$(HOST_SUBDIR)/gcc$(GCC_SHLIB_SUBDIR):$$r/$(HOST_SUBDIR)/prev-gcc$(GCC_SHLIB_SUBDIR):







CXX_FOR_TARGET_FLAG_TO_PASS = \
	"CXX_FOR_TARGET=$(CXX_FOR_TARGET)"
# CXX_FOR_TARGET is tricky to get right for target libs that require a
# functional C++ compiler.  When we recurse, if we expand
# CXX_FOR_TARGET before configuring libstdc++-v3, we won't get
# libstdc++ include flags from the script.  Instead, we get an
# -funconfigured-* word, so that we'll get errors if this invalid C++
# command line is used for anything, but also so that we can use the
# word to decide whether or not to pass on this CXX_FOR_TARGET.  If we
# don't pass it on, sub-make will use the default definition, that
# re-expands it at the time of use, so we'll get it right when we need
# it.  One potential exception is the expansion of CXX_FOR_TARGET
# passed down as part of CXX within TARGET_FLAGS, but this wouldn't
# really work, for C++ host programs can't depend on the current-stage
# C++ target library.
CXX_FOR_TARGET_FLAG_TO_PASS = \
	$(shell if echo "$(CXX_FOR_TARGET)" | grep " -funconfigured-" > /dev/null; then :; else echo '"CXX_FOR_TARGET=$(CXX_FOR_TARGET)"'; fi)

# Flags to pass down to all sub-makes. STAGE*FLAGS,
# MAKEINFO and MAKEINFOFLAGS are explicitly passed here to make them
# overrideable (for a bootstrap build stage1 also builds gcc.info).
BASE_FLAGS_TO_PASS = \
	"DESTDIR=$(DESTDIR)" \
	"RPATH_ENVVAR=$(RPATH_ENVVAR)" \
	"TARGET_SUBDIR=$(TARGET_SUBDIR)" \
	"bindir=$(bindir)" \
	"datadir=$(datadir)" \
	"exec_prefix=$(exec_prefix)" \
	"includedir=$(includedir)" \
	"datarootdir=$(datarootdir)" \
	"docdir=$(docdir)" \
	"infodir=$(infodir)" \
	"pdfdir=$(pdfdir)" \
	"htmldir=$(htmldir)" \
	"libdir=$(libdir)" \
	"libexecdir=$(libexecdir)" \
	"lispdir=$(lispdir)" \
	"localstatedir=$(localstatedir)" \
	"mandir=$(mandir)" \
	"oldincludedir=$(oldincludedir)" \
	"prefix=$(prefix)" \
	"sbindir=$(sbindir)" \
	"sharedstatedir=$(sharedstatedir)" \
	"sysconfdir=$(sysconfdir)" \
	"tooldir=$(tooldir)" \
	"build_tooldir=$(build_tooldir)" \
	"target_alias=$(target_alias)" \
	"AWK=$(AWK)" \
	"BISON=$(BISON)" \
	"CC_FOR_BUILD=$(CC_FOR_BUILD)" \
	"CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" \
	"CXX_FOR_BUILD=$(CXX_FOR_BUILD)" \
	"EXPECT=$(EXPECT)" \
	"FLEX=$(FLEX)" \
	"INSTALL=$(INSTALL)" \
	"INSTALL_DATA=$(INSTALL_DATA)" \
	"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
	"INSTALL_SCRIPT=$(INSTALL_SCRIPT)" \
	"LDFLAGS_FOR_BUILD=$(LDFLAGS_FOR_BUILD)" \
	"LEX=$(LEX)" \
	"M4=$(M4)" \
	"MAKE=$(MAKE)" \
	"RUNTEST=$(RUNTEST)" \
	"RUNTESTFLAGS=$(RUNTESTFLAGS)" \
	"SED=$(SED)" \
	"SHELL=$(SHELL)" \
	"YACC=$(YACC)" \
	"`echo 'ADAFLAGS=$(ADAFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
	"ADA_CFLAGS=$(ADA_CFLAGS)" \
	"AR_FLAGS=$(AR_FLAGS)" \
	"`echo 'BOOT_ADAFLAGS=$(BOOT_ADAFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
	"BOOT_CFLAGS=$(BOOT_CFLAGS)" \
	"BOOT_LDFLAGS=$(BOOT_LDFLAGS)" \
	"CFLAGS=$(CFLAGS)" \
	"CXXFLAGS=$(CXXFLAGS)" \
	"LDFLAGS=$(LDFLAGS)" \
	"LIBCFLAGS=$(LIBCFLAGS)" \
	"LIBCXXFLAGS=$(LIBCXXFLAGS)" \
	"STAGE1_CHECKING=$(STAGE1_CHECKING)" \
	"STAGE1_LANGUAGES=$(STAGE1_LANGUAGES)" \
	"GNATBIND=$(GNATBIND)" \
	"GNATMAKE=$(GNATMAKE)" \
	"GDC=$(GDC)" \
	"GDCFLAGS=$(GDCFLAGS)" \
	"AR_FOR_TARGET=$(AR_FOR_TARGET)" \
	"AS_FOR_TARGET=$(AS_FOR_TARGET)" \
	"CC_FOR_TARGET=$(CC_FOR_TARGET)" \
	"CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" \
	"CPPFLAGS_FOR_TARGET=$(CPPFLAGS_FOR_TARGET)" \
	"CXXFLAGS_FOR_TARGET=$(CXXFLAGS_FOR_TARGET)" \
	"DLLTOOL_FOR_TARGET=$(DLLTOOL_FOR_TARGET)" \
	"DSYMUTIL_FOR_TARGET=$(DSYMUTIL_FOR_TARGET)" \
	"FLAGS_FOR_TARGET=$(FLAGS_FOR_TARGET)" \
	"GFORTRAN_FOR_TARGET=$(GFORTRAN_FOR_TARGET)" \
	"GOC_FOR_TARGET=$(GOC_FOR_TARGET)" \
	"GOCFLAGS_FOR_TARGET=$(GOCFLAGS_FOR_TARGET)" \
	"GDC_FOR_TARGET=$(GDC_FOR_TARGET)" \
	"GDCFLAGS_FOR_TARGET=$(GDCFLAGS_FOR_TARGET)" \
	"LD_FOR_TARGET=$(LD_FOR_TARGET)" \
	"LIPO_FOR_TARGET=$(LIPO_FOR_TARGET)" \
	"LDFLAGS_FOR_TARGET=$(LDFLAGS_FOR_TARGET)" \
	"LIBCFLAGS_FOR_TARGET=$(LIBCFLAGS_FOR_TARGET)" \
	"LIBCXXFLAGS_FOR_TARGET=$(LIBCXXFLAGS_FOR_TARGET)" \
	"NM_FOR_TARGET=$(NM_FOR_TARGET)" \
	"OBJDUMP_FOR_TARGET=$(OBJDUMP_FOR_TARGET)" \
	"OBJCOPY_FOR_TARGET=$(OBJCOPY_FOR_TARGET)" \
	"RANLIB_FOR_TARGET=$(RANLIB_FOR_TARGET)" \
	"READELF_FOR_TARGET=$(READELF_FOR_TARGET)" \
	"STRIP_FOR_TARGET=$(STRIP_FOR_TARGET)" \
	"WINDRES_FOR_TARGET=$(WINDRES_FOR_TARGET)" \
	"WINDMC_FOR_TARGET=$(WINDMC_FOR_TARGET)" \
	"BUILD_CONFIG=$(BUILD_CONFIG)" \
	"`echo 'LANGUAGES=$(LANGUAGES)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
	"LEAN=$(LEAN)" \
	"STAGE1_CFLAGS=$(STAGE1_CFLAGS)" \
	"STAGE1_CXXFLAGS=$(STAGE1_CXXFLAGS)" \
	"STAGE1_GENERATOR_CFLAGS=$(STAGE1_GENERATOR_CFLAGS)" \
	"STAGE1_TFLAGS=$(STAGE1_TFLAGS)" \
	"STAGE2_CFLAGS=$(STAGE2_CFLAGS)" \
	"STAGE2_CXXFLAGS=$(STAGE2_CXXFLAGS)" \
	"STAGE2_GENERATOR_CFLAGS=$(STAGE2_GENERATOR_CFLAGS)" \
	"STAGE2_TFLAGS=$(STAGE2_TFLAGS)" \
	"STAGE3_CFLAGS=$(STAGE3_CFLAGS)" \
	"STAGE3_CXXFLAGS=$(STAGE3_CXXFLAGS)" \
	"STAGE3_GENERATOR_CFLAGS=$(STAGE3_GENERATOR_CFLAGS)" \
	"STAGE3_TFLAGS=$(STAGE3_TFLAGS)" \
	"STAGE4_CFLAGS=$(STAGE4_CFLAGS)" \
	"STAGE4_CXXFLAGS=$(STAGE4_CXXFLAGS)" \
	"STAGE4_GENERATOR_CFLAGS=$(STAGE4_GENERATOR_CFLAGS)" \
	"STAGE4_TFLAGS=$(STAGE4_TFLAGS)" \
	"STAGEprofile_CFLAGS=$(STAGEprofile_CFLAGS)" \
	"STAGEprofile_CXXFLAGS=$(STAGEprofile_CXXFLAGS)" \
	"STAGEprofile_GENERATOR_CFLAGS=$(STAGEprofile_GENERATOR_CFLAGS)" \
	"STAGEprofile_TFLAGS=$(STAGEprofile_TFLAGS)" \
	"STAGEtrain_CFLAGS=$(STAGEtrain_CFLAGS)" \
	"STAGEtrain_CXXFLAGS=$(STAGEtrain_CXXFLAGS)" \
	"STAGEtrain_GENERATOR_CFLAGS=$(STAGEtrain_GENERATOR_CFLAGS)" \
	"STAGEtrain_TFLAGS=$(STAGEtrain_TFLAGS)" \
	"STAGEfeedback_CFLAGS=$(STAGEfeedback_CFLAGS)" \
	"STAGEfeedback_CXXFLAGS=$(STAGEfeedback_CXXFLAGS)" \
	"STAGEfeedback_GENERATOR_CFLAGS=$(STAGEfeedback_GENERATOR_CFLAGS)" \
	"STAGEfeedback_TFLAGS=$(STAGEfeedback_TFLAGS)" \
	"STAGEautoprofile_CFLAGS=$(STAGEautoprofile_CFLAGS)" \
	"STAGEautoprofile_CXXFLAGS=$(STAGEautoprofile_CXXFLAGS)" \
	"STAGEautoprofile_GENERATOR_CFLAGS=$(STAGEautoprofile_GENERATOR_CFLAGS)" \
	"STAGEautoprofile_TFLAGS=$(STAGEautoprofile_TFLAGS)" \
	"STAGEautofeedback_CFLAGS=$(STAGEautofeedback_CFLAGS)" \
	"STAGEautofeedback_CXXFLAGS=$(STAGEautofeedback_CXXFLAGS)" \
	"STAGEautofeedback_GENERATOR_CFLAGS=$(STAGEautofeedback_GENERATOR_CFLAGS)" \
	"STAGEautofeedback_TFLAGS=$(STAGEautofeedback_TFLAGS)" \
	$(CXX_FOR_TARGET_FLAG_TO_PASS) \
	"TFLAGS=$(TFLAGS)" \
	"CONFIG_SHELL=$(SHELL)" \
	"MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \
	$(if $(LSAN_OPTIONS),"LSAN_OPTIONS=$(LSAN_OPTIONS)")

# We leave this in just in case, but it is not needed anymore.
RECURSE_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS)

# Flags to pass down to most sub-makes, in which we're building with
# the host environment.
EXTRA_HOST_FLAGS = \
	'AR=$(AR)' \
	'AS=$(AS)' \
	'CC=$(CC)' \
	'CXX=$(CXX)' \
	'DLLTOOL=$(DLLTOOL)' \
	'DSYMUTIL=$(DSYMUTIL)' \
	'GFORTRAN=$(GFORTRAN)' \
	'GOC=$(GOC)' \
	'GDC=$(GDC)' \
	'LD=$(LD)' \
	'LIPO=$(LIPO)' \
	'NM=$(NM)' \
	'OBJDUMP=$(OBJDUMP)' \
	'OTOOL=$(OTOOL)' \
	'RANLIB=$(RANLIB)' \
	'READELF=$(READELF)' \
	'STRIP=$(STRIP)' \
	'WINDRES=$(WINDRES)' \
	'WINDMC=$(WINDMC)' \
	'CREATE_GCOV=$(CREATE_GCOV)'

FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_HOST_FLAGS)

# Flags to pass to stage1 or when not bootstrapping.

STAGE1_FLAGS_TO_PASS = \
	LDFLAGS="$${LDFLAGS}" \
	HOST_LIBS="$${HOST_LIBS}"

# Flags to pass to stage2 and later makes.

POSTSTAGE1_FLAGS_TO_PASS = \
	CC="$${CC}" CC_FOR_BUILD="$${CC_FOR_BUILD}" \
	CXX="$${CXX}" CXX_FOR_BUILD="$${CXX_FOR_BUILD}" \
	GDC="$${GDC}" GDC_FOR_BUILD="$${GDC_FOR_BUILD}" \
	GNATBIND="$${GNATBIND}" \
	LDFLAGS="$${LDFLAGS}" \
	HOST_LIBS="$${HOST_LIBS}" \
	$(LTO_FLAGS_TO_PASS) \
	"`echo 'ADAFLAGS=$(BOOT_ADAFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"

EXTRA_HOST_EXPORTS = if [ $(current_stage) != stage1 ]; then \
		       $(POSTSTAGE1_HOST_EXPORTS) \
		     fi;

EXTRA_BOOTSTRAP_FLAGS = CC="$$CC" CXX="$$CXX" LDFLAGS="$$LDFLAGS"

# Flags to pass down to makes which are built with the target environment.
# The double $ decreases the length of the command line; those variables
# are set in BASE_FLAGS_TO_PASS, and the sub-make will expand them.  The
# *_CFLAGS_FOR_TARGET variables are not passed down and most often empty,
# so we expand them here.
EXTRA_TARGET_FLAGS = \
	'AR=$$(AR_FOR_TARGET)' \
	'AS=$(COMPILER_AS_FOR_TARGET)' \
	'CC=$$(CC_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
	'CFLAGS=$$(CFLAGS_FOR_TARGET)' \
	'CXX=$$(CXX_FOR_TARGET) -B$$r/$$(TARGET_SUBDIR)/libstdc++-v3/src/.libs \
	 -B$$r/$$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs \
	 $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
	'CXXFLAGS=$$(CXXFLAGS_FOR_TARGET)' \
	'DLLTOOL=$$(DLLTOOL_FOR_TARGET)' \
	'DSYMUTIL=$$(DSYMUTIL_FOR_TARGET)' \
	'GFORTRAN=$$(GFORTRAN_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
	'GOC=$$(GOC_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
	'GOCFLAGS=$$(GOCFLAGS_FOR_TARGET)' \
	'GDC=$$(GDC_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
	'GDCFLAGS=$$(GDCFLAGS_FOR_TARGET)' \
	'LD=$(COMPILER_LD_FOR_TARGET)' \
	'LDFLAGS=$$(LDFLAGS_FOR_TARGET)' \
	'LIBCFLAGS=$$(LIBCFLAGS_FOR_TARGET)' \
	'LIBCXXFLAGS=$$(LIBCXXFLAGS_FOR_TARGET)' \
	'NM=$(COMPILER_NM_FOR_TARGET)' \
	'OBJDUMP=$$(OBJDUMP_FOR_TARGET)' \
	'OBJCOPY=$$(OBJCOPY_FOR_TARGET)' \
	'RANLIB=$$(RANLIB_FOR_TARGET)' \
	'READELF=$$(READELF_FOR_TARGET)' \
	'WINDRES=$$(WINDRES_FOR_TARGET)' \
	'WINDMC=$$(WINDMC_FOR_TARGET)' \
	'XGCC_FLAGS_FOR_TARGET=$(XGCC_FLAGS_FOR_TARGET)' \
	'STAGE1_LDFLAGS=$$(POSTSTAGE1_LDFLAGS)' \
	'STAGE1_LIBS=$$(POSTSTAGE1_LIBS)' \
	"TFLAGS=$$TFLAGS"

TARGET_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_TARGET_FLAGS)

# Flags to pass down to gcc.  gcc builds a library, libgcc.a, so it
# unfortunately needs the native compiler and the target ar and
# ranlib.
# If any variables are added here, they must be added to do-*, below.
# The BUILD_* variables are a special case, which are used for the gcc
# cross-building scheme.
EXTRA_GCC_FLAGS = \
	"GCC_FOR_TARGET=$(GCC_FOR_TARGET) $$TFLAGS" \
	"`echo 'STMP_FIXPROTO=$(STMP_FIXPROTO)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
	"`echo 'LIMITS_H_TEST=$(LIMITS_H_TEST)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"

GCC_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_HOST_FLAGS) $(EXTRA_GCC_FLAGS)