Makeconfig - chromiumos/third_party/glibc - Git at Google

 # Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.

 # The GNU C Library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Library General Public License as
 # published by the Free Software Foundation; either version 2 of the
 # License, or (at your option) any later version.

 # The GNU C Library 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
 # Library General Public License for more details.

 # You should have received a copy of the GNU Library General Public
 # License along with the GNU C Library; see the file COPYING.LIB.  If
 # not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 # Cambridge, MA 02139, USA.

 #
 #	Makefile configuration options for the GNU C library.
 #
 ifneq (,)
 This makefile requires GNU Make.
 endif

 ifneq "$(origin +included-Makeconfig)" "file"

 +included-Makeconfig := yes

 ifdef subdir
 .. := ../
 endif

 # If config.make exists, the source directory was configured,
 # so don't try to be clever and find another directory to build in.
 ifneq (,$(wildcard $(..)config.make))
 ARCH =
 machine =
 else	# Not configured.
 ifndef ARCH
 ifdef machine
 ARCH = $(machine)
 endif # machine
 endif # ARCH
 endif # config.make

 # Directory for object files and libc.a.  If this is not defined, the
 # object files live in the subdirectories where their sources live, and
 # libc.a lives in the parent directory (this probably doesn't work any
 # more).
 ifdef ARCH
 ifeq ($(filter /%,$(ARCH)),)
 objdir := $(..)$(ARCH)
 else
 objdir = $(ARCH)
 endif
 endif

 # $(common-objdir) is the place to put objects and
 # such that are not specific to a single subdir.
 ifdef objdir
 objpfx = $(objdir)/
 common-objpfx = $(objpfx)
 common-objdir = $(objdir)
 else
 objpfx :=
 ifdef ..
 common-objpfx = $(..)
 common-objdir = ..
 else
 # This is a kludge.  make wizards might grok.
 common-objpfx = sysdeps/../
 common-objdir = .
 endif
 endif


 # Get the values defined by options to `configure'.
 include $(common-objpfx)config.make

 # Run config.status to update config.make and config.h.  We don't show the
 # dependence of config.h to Make, because it is only touched when it
 # changes and so config.status would be run every time; the dependence of
 # config.make should suffice to force regeneration and re-exec, and the new
 # image will notice if config.h changed.
 $(common-objpfx)config.make: $(common-objpfx)config.status $(..)config.h.in
 	cd $(<D); $(SHELL) $(<F)

 # Force the user to configure before making.
 $(common-objpfx)config.status: $(..)configure
 	@cd $(@D); if test -f $(@F); then exec $(SHELL) $(@F) --recheck; else \
 	 echo The GNU C library has not been configured. >&2; \
 	 echo Run \`configure\' to configure it before building. >&2; \
 	 echo Try \`configure --help\' for more details. >&2; \
 	 exit 1; fi

 # Get the user's configuration parameters.
 ifneq ($(wildcard $(..)configparms),)
 include $(..)configparms
 endif
 ifneq ($(objpfx),)
 ifneq ($(wildcard $(objpfx)configparms),)
 include $(objpfx)configparms
 endif
 endif

 sysdep_dir := $(..)sysdeps
 export sysdep_dir := $(sysdep_dir)

 ####
 ####	These are the configuration variables.  You can define values for
 ####	the variables below in the file `configparms'.
 ####	Do NOT edit this file.
 ####


 # Set this to either `stdio' or `libio', to compile in either GNU stdio
 # or GNU libio.
 ifndef stdio
 stdio = stdio
 endif

 # Common prefix for machine-independent installation directories.
 ifeq ($(origin prefix),undefined) # ifndef would override explicit empty value.
 prefix = /usr/local
 endif

 # Common prefix for machine-dependent installation directories.
 ifeq ($(origin exec_prefix),undefined)
 exec_prefix = $(prefix)
 endif

 # Where to install the library and object files.
 ifndef libdir
 libdir = $(exec_prefix)/lib
 endif

 # Where to install the shared library and dynamic linker.
 ifndef slibdir
 slibdir = $(exec_prefix)/lib
 endif

 # Prefix to put on files installed in $(libdir).  For libraries `libNAME.a',
 # the prefix is spliced between `lib' and the name, so the linker switch
 # `-l$(libprefix)NAME' finds the library; for other files the prefix is
 # just prepended to the whole file name.
 ifeq ($(origin libprefix),undefined)
 libprefix =
 endif

 # Where to install the header files.
 ifndef includedir
 includedir = $(exec_prefix)/include
 endif

 # Where to install machine-independent data files.
 # These are the timezone database, and the locale database.
 ifndef datadir
 datadir = $(prefix)/share
 endif

 # Where to install the timezone data files (which are machine-independent).
 ifndef zonedir
 zonedir = $(datadir)/zoneinfo
 endif

 # Where to install the locale and message catalog data files (which are
 # machine-independent).
 ifndef localedir
 localedir = $(datadir)/locale
 endif

 # Where to install the locale charmap source files.
 ifndef nlsdir
 nlsdir = $(datadir)/nls
 endif


 # Where to install programs.
 ifndef bindir
 bindir = $(exec_prefix)/bin
 endif

 # Where to install administrative programs.
 ifndef sbindir
 sbindir = $(exec_prefix)/sbin
 endif

 # Where to install the Info files.
 ifndef infodir
 infodir = $(prefix)/info
 endif

 # Where to install default configuration files.  These include the local
 # timezone specification and network data base files.
 ifndef sysconfdir
 sysconfdir = $(prefix)/etc
 endif

 # What timezone should be the installed default (e.g., US/Eastern).
 # Run `make -C time echo-zonenames' to see a list of available zone names.
 # The local timezone can be changed with `zic -l TIMEZONE' at any time.
 ifndef localtime
 localtime = Factory
 endif

 # Where to install the "localtime" timezone file; this is the file whose
 # contents $(localtime) specifies.  If this is a relative pathname, it is
 # relative to $(zonedir).  It is a good idea to put this somewhere
 # other than there, so the zoneinfo directory contains only universal data,
 # localizing the configuration data elsewhere.
 ifndef localtime-file
 localtime-file = $(sysconfdir)/localtime
 endif

 # What timezone's DST rules should be used when a POSIX-style TZ
 # environment variable doesn't specify any rules.  For 1003.1 compliance
 # this timezone must use rules that are as U.S. federal law defines DST.
 # Run `make -C time echo-zonenames' to see a list of available zone names.
 # This setting can be changed with `zic -p TIMEZONE' at any time.
 # If you want POSIX.1 compatibility, use `America/New_York'.
 ifndef posixrules
 posixrules = America/New_York
 endif

 # Where to install the "posixrules" timezone file; this is file
 # whose contents $(posixrules) specifies.  If this is a relative
 # pathname, it is relative to $(zonedir).
 ifndef posixrules-file
 posixrules-file = posixrules
 endif


 # Directory where your system's native header files live.
 # This is used on Unix systems to generate some GNU libc header files.
 ifndef sysincludedir
 sysincludedir = /usr/include
 endif


 # Commands to install files.
 ifndef INSTALL_DATA
 INSTALL_DATA = $(INSTALL) -m 644
 endif
 ifndef INSTALL_PROGRAM
 INSTALL_PROGRAM = $(INSTALL)
 endif
 ifndef INSTALL
 INSTALL = install
 endif


 # The name of the C compiler.
 # If you've got GCC, and it works, use it.
 ifeq ($(origin CC),default)
 CC := gcc
 endif

 # The name of the C compiler to use for compilations of programs to run on
 # the host that is building the library.  If you set CC to a
 # cross-compiler, you must set this to the normal compiler.
 ifndef BUILD_CC
 BUILD_CC = $(CC)
 endif

 # Default flags to pass the C compiler.
 ifndef default_cflags
 default_cflags := -g
 endif

 # Flags to pass the C compiler when assembling preprocessed assembly code
 # (`.S' files).  On some systems the assembler doesn't understand the `#' line
 # directives the preprocessor produces.  If you have troubling compiling
 # assembly code, try using -P here to suppress these directives.
 ifndef asm-CPPFLAGS
 asm-CPPFLAGS =
 endif

 # Command for linking programs with the C library.
 ifndef +link
 +link = $(CC) -nostdlib -nostartfiles -o $@ \
 	      $(sysdep-LDFLAGS) $(config-LDFLAGS) $(LDFLAGS)  \
 	      $(addprefix $(csu-objpfx),start.o $(+preinit)) \
 	      $(filter-out $(common-objpfx)libc%,$^) $(link-libc) \
 	      $(addprefix $(csu-objpfx),$(+postinit))
 endif
 ifndef config-LDFLAGS
 ifeq (yes,$(build-shared))
 config-LDFLAGS = -Wl,-dynamic-linker=$(slibdir)/$(rtld-installed-name)
 endif
 endif
 ifndef link-libc
 ifeq (yes,$(build-shared))
 link-libc = -Wl,-rpath-link=$(common-objdir) \
 	    $(common-objpfx)libc.so$(libc.so-version) $(gnulib)
 # Choose the default search path for the dynamic linker based on
 # where we will install libraries.
 ifneq ($(libdir),$(slibdir))
 default-rpath = $(slibdir):$(libdir)
 else
 default-rpath = $(libdir)
 endif
 else
 link-libc = $(common-objpfx)libc.a $(gnulib) $(common-objpfx)libc.a
 endif
 endif
 ifndef gnulib
 gnulib := -lgcc
 endif
 ifeq ($(elf),yes)
 +preinit = crti.o
 +postinit = crtn.o
 endif
 ifdef objpfx
 csu-objpfx = $(objpfx)
 elf-objpfx = $(objpfx)
 else
 csu-objpfx = $(..)csu/
 elf-objpfx = $(..)elf/
 endif

 ifeq (yes,$(build-shared))
 ifndef rtld-installed-name
 rtld-installed-name = ld.so
 endif
 endif

 # How to run a program we just linked with our library.
 # The program binary is assumed to be $(word 2,$^).
 built-program-file = $(dir $(word 2,$^))$(notdir $(word 2,$^))
 ifneq (yes,$(build-shared))
 built-program-cmd = $(built-program-file)
 else
 comma = ,
 define built-program-cmd
 LD_LIBRARY_PATH=$(common-objdir)$(patsubst -Wl$(comma)-rpath-link=%,:%,\
 					   $(filter -Wl$(comma)-rpath-link=%,\
 						    $(sysdep-LDFLAGS))) \
 $(elf-objpfx)ld.so $(built-program-file)
 endef
 endif

 ifndef LD
 LD := ld -X
 endif

 ifndef	RANLIB
 RANLIB = ranlib
 endif

 # Extra flags to pass to GCC.
 +gccwarn := -Wall -Wwrite-strings -Wno-parentheses -Winline -Wstrict-prototypes

 # This is the program that generates makefile
 # dependencies from C source files.
 ifndef +mkdep
 +mkdep = $(CC) -M
 endif

 # The program that makes Emacs-style TAGS files.
 ETAGS	:= etags -T

 # The `m4' macro processor; this is used by sysdeps/sparc/Makefile (and
 # perhaps others) to preprocess assembly code in some cases.
 M4 = m4

 ####
 #### End of configuration variables.
 ####

 # This tells some versions of GNU make before 3.63 not to export all variables.
 .NOEXPORT:

 # We want to echo the commands we're running without
 # umpteem zillion filenames along with it (we use `...' instead)
 # but we don't want this echoing done when the user has said
 # he doesn't want to see commands echoed by using -s.
 ifneq	"$(findstring s,$(MAKEFLAGS))" ""	# if -s
 +cmdecho	:= echo >/dev/null
 else						# not -s
 +cmdecho	:= echo
 endif	   					# -s

 # These are the flags given to the compiler to tell
 # it what sort of optimization and/or debugging output to do.
 ifndef	+cflags
 # If `CFLAGS' was defined, use that.
 ifdef		CFLAGS
 +cflags	:= $(filter-out -I%,$(CFLAGS))
 endif		# CFLAGS
 endif	# +cflags

 # If none of the above worked, default to "-g".
 ifeq	"$(strip $(+cflags))" ""
 +cflags	:= $(default_cflags)
 endif	# $(+cflags) == ""

 # If using gcc, add flags that only it will grok.
 ifneq	"$(findstring gcc,$(CC))" ""
 +cflags := $(+cflags) $(+gccwarn)
 +gcc-nowarn := -w
 else
 +gcc-nowarn :=
 endif	# gcc

 # Don't duplicate options if we inherited variables from the parent.
 +cflags	:= $(sort $(+cflags))


 # These are flags given to the C compiler to tell it to look for include
 # files (including ones given in angle brackets) in the current directory
 # and in the parent library source directory.
 # `+sysdep-includes' will be defined by Makerules.
 +includes = -I. $(filter-out -I,-I$(patsubst %/,%,$(..))) $($(stdio)-include) \
 	    $(includes) $(+sysdep-includes) $(last-includes)

 # Since libio has several internal header files, we use a -I instead
 # of many little headers in the top level source directory.
 libio-include = -I$(..)libio

 # These are the variables that the implicit compilation rules use.
 CPPFLAGS = $(+includes) $(defines) -include $(..)libc-symbols.h \
 	   $(sysdep-CPPFLAGS) $(CPPFLAGS-$(suffix $@))
 override CFLAGS	= $(+cflags) $(sysdep-CFLAGS) $(CFLAGS-$(suffix $@)) \
 		  $(CFLAGS-$(<F))


 # This is the macro that the implicit linking rules use.
 ifneq "$(filter -g,$(+cflags))" "" # -g is in $(+cflags)
 LDFLAGS	:= -g
 endif


 # Enable object files for different versions of the library.
 # Various things use $(object-suffixes) to know what all to make.
 # The compilation rules use $(CPPFLAGS-${SUFFIX}) and $(CFLAGS-${SUFFIX})
 # to pass different flags for each flavor.
 libtypes = $(foreach o,$(object-suffixes),$(libtype$o))
 object-suffixes := .o
 libtype.o := lib%.a
 ifeq (yes,$(build-shared))
 # Under --enable-shared, we will build a shared library of PIC objects.
 # The PIC object files are named foo.so.
 object-suffixes += .so
 CPPFLAGS-.so = -DPIC
 CFLAGS-.so = -fPIC
 libtype.so := lib%_pic.a
 endif
 ifeq (yes,$(build-profile))
 # Under --enable-profile, we will build a static library of profiled objects.
 # The profiled object files are named foo.po.
 object-suffixes += .po
 CPPFLAGS-.po = -DPROF
 CFLAGS-.po = -pg
 libtype.po = lib%_p.a
 endif
 ifeq (yes,$(build-omitfp))
 # Under --enable-omitfp, we build an the library optimized without
 # debugging information using -fomit-frame-pointer, and build an extra
 # library with debugging information.  The debuggable objects are named foo.go.
 object-suffixes += .go
 CFLAGS-.go = -g
 CFLAGS-.o = -g0 -O99 -fomit-frame-pointer
 CFLAGS-.so += $(CFLAGS.o)
 libtype.go = lib%_g.a
 endif


 +gnu-stabs = $(shell echo>&2 '*** BARF ON ME')

 ifneq ($(BUILD_CC),$(CC))
 cross-compiling := yes
 else
 cross-compiling := no
 endif


 endif # Makeconfig not yet included
	# Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
	# This file is part of the GNU C Library.

	# The GNU C Library is free software; you can redistribute it and/or
	# modify it under the terms of the GNU Library General Public License as
	# published by the Free Software Foundation; either version 2 of the
	# License, or (at your option) any later version.

	# The GNU C Library 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
	# Library General Public License for more details.

	# You should have received a copy of the GNU Library General Public
	# License along with the GNU C Library; see the file COPYING.LIB. If
	# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
	# Cambridge, MA 02139, USA.

	#
	# Makefile configuration options for the GNU C library.
	#
	ifneq (,)
	This makefile requires GNU Make.
	endif

	ifneq "$(origin +included-Makeconfig)" "file"

	+included-Makeconfig := yes

	ifdef subdir
	.. := ../
	endif

	# If config.make exists, the source directory was configured,
	# so don't try to be clever and find another directory to build in.
	ifneq (,$(wildcard $(..)config.make))
	ARCH =
	machine =
	else # Not configured.
	ifndef ARCH
	ifdef machine
	ARCH = $(machine)
	endif # machine
	endif # ARCH
	endif # config.make

	# Directory for object files and libc.a. If this is not defined, the
	# object files live in the subdirectories where their sources live, and
	# libc.a lives in the parent directory (this probably doesn't work any
	# more).
	ifdef ARCH
	ifeq ($(filter /%,$(ARCH)),)
	objdir := $(..)$(ARCH)
	else
	objdir = $(ARCH)
	endif
	endif

	# $(common-objdir) is the place to put objects and
	# such that are not specific to a single subdir.
	ifdef objdir
	objpfx = $(objdir)/
	common-objpfx = $(objpfx)
	common-objdir = $(objdir)
	else
	objpfx :=
	ifdef ..
	common-objpfx = $(..)
	common-objdir = ..
	else
	# This is a kludge. make wizards might grok.
	common-objpfx = sysdeps/../
	common-objdir = .
	endif
	endif


	# Get the values defined by options to `configure'.
	include $(common-objpfx)config.make

	# Run config.status to update config.make and config.h. We don't show the
	# dependence of config.h to Make, because it is only touched when it
	# changes and so config.status would be run every time; the dependence of
	# config.make should suffice to force regeneration and re-exec, and the new
	# image will notice if config.h changed.
	$(common-objpfx)config.make: $(common-objpfx)config.status $(..)config.h.in
	cd $(<D); $(SHELL) $(<F)

	# Force the user to configure before making.
	$(common-objpfx)config.status: $(..)configure
	@cd $(@D); if test -f $(@F); then exec $(SHELL) $(@F) --recheck; else \
	echo The GNU C library has not been configured. >&2; \
	echo Run \`configure\' to configure it before building. >&2; \
	echo Try \`configure --help\' for more details. >&2; \
	exit 1; fi

	# Get the user's configuration parameters.
	ifneq ($(wildcard $(..)configparms),)
	include $(..)configparms
	endif
	ifneq ($(objpfx),)
	ifneq ($(wildcard $(objpfx)configparms),)
	include $(objpfx)configparms
	endif
	endif

	sysdep_dir := $(..)sysdeps
	export sysdep_dir := $(sysdep_dir)

	####
	#### These are the configuration variables. You can define values for
	#### the variables below in the file `configparms'.
	#### Do NOT edit this file.
	####


	# Set this to either `stdio' or `libio', to compile in either GNU stdio
	# or GNU libio.
	ifndef stdio
	stdio = stdio
	endif

	# Common prefix for machine-independent installation directories.
	ifeq ($(origin prefix),undefined) # ifndef would override explicit empty value.
	prefix = /usr/local
	endif

	# Common prefix for machine-dependent installation directories.
	ifeq ($(origin exec_prefix),undefined)
	exec_prefix = $(prefix)
	endif

	# Where to install the library and object files.
	ifndef libdir
	libdir = $(exec_prefix)/lib
	endif

	# Where to install the shared library and dynamic linker.
	ifndef slibdir
	slibdir = $(exec_prefix)/lib
	endif

	# Prefix to put on files installed in $(libdir). For libraries `libNAME.a',
	# the prefix is spliced between `lib' and the name, so the linker switch
	# `-l$(libprefix)NAME' finds the library; for other files the prefix is
	# just prepended to the whole file name.
	ifeq ($(origin libprefix),undefined)
	libprefix =
	endif

	# Where to install the header files.
	ifndef includedir
	includedir = $(exec_prefix)/include
	endif

	# Where to install machine-independent data files.
	# These are the timezone database, and the locale database.
	ifndef datadir
	datadir = $(prefix)/share
	endif

	# Where to install the timezone data files (which are machine-independent).
	ifndef zonedir
	zonedir = $(datadir)/zoneinfo
	endif

	# Where to install the locale and message catalog data files (which are
	# machine-independent).
	ifndef localedir
	localedir = $(datadir)/locale
	endif

	# Where to install the locale charmap source files.
	ifndef nlsdir
	nlsdir = $(datadir)/nls
	endif


	# Where to install programs.
	ifndef bindir
	bindir = $(exec_prefix)/bin
	endif

	# Where to install administrative programs.
	ifndef sbindir
	sbindir = $(exec_prefix)/sbin
	endif

	# Where to install the Info files.
	ifndef infodir
	infodir = $(prefix)/info
	endif

	# Where to install default configuration files. These include the local
	# timezone specification and network data base files.
	ifndef sysconfdir
	sysconfdir = $(prefix)/etc
	endif

	# What timezone should be the installed default (e.g., US/Eastern).
	# Run `make -C time echo-zonenames' to see a list of available zone names.
	# The local timezone can be changed with `zic -l TIMEZONE' at any time.
	ifndef localtime
	localtime = Factory
	endif

	# Where to install the "localtime" timezone file; this is the file whose
	# contents $(localtime) specifies. If this is a relative pathname, it is
	# relative to $(zonedir). It is a good idea to put this somewhere
	# other than there, so the zoneinfo directory contains only universal data,
	# localizing the configuration data elsewhere.
	ifndef localtime-file
	localtime-file = $(sysconfdir)/localtime
	endif

	# What timezone's DST rules should be used when a POSIX-style TZ
	# environment variable doesn't specify any rules. For 1003.1 compliance
	# this timezone must use rules that are as U.S. federal law defines DST.
	# Run `make -C time echo-zonenames' to see a list of available zone names.
	# This setting can be changed with `zic -p TIMEZONE' at any time.
	# If you want POSIX.1 compatibility, use `America/New_York'.
	ifndef posixrules
	posixrules = America/New_York
	endif

	# Where to install the "posixrules" timezone file; this is file
	# whose contents $(posixrules) specifies. If this is a relative
	# pathname, it is relative to $(zonedir).
	ifndef posixrules-file
	posixrules-file = posixrules
	endif


	# Directory where your system's native header files live.
	# This is used on Unix systems to generate some GNU libc header files.
	ifndef sysincludedir
	sysincludedir = /usr/include
	endif


	# Commands to install files.
	ifndef INSTALL_DATA
	INSTALL_DATA = $(INSTALL) -m 644
	endif
	ifndef INSTALL_PROGRAM
	INSTALL_PROGRAM = $(INSTALL)
	endif
	ifndef INSTALL
	INSTALL = install
	endif


	# The name of the C compiler.
	# If you've got GCC, and it works, use it.
	ifeq ($(origin CC),default)
	CC := gcc
	endif

	# The name of the C compiler to use for compilations of programs to run on
	# the host that is building the library. If you set CC to a
	# cross-compiler, you must set this to the normal compiler.
	ifndef BUILD_CC
	BUILD_CC = $(CC)
	endif

	# Default flags to pass the C compiler.
	ifndef default_cflags
	default_cflags := -g
	endif

	# Flags to pass the C compiler when assembling preprocessed assembly code
	# (`.S' files). On some systems the assembler doesn't understand the `#' line
	# directives the preprocessor produces. If you have troubling compiling
	# assembly code, try using -P here to suppress these directives.
	ifndef asm-CPPFLAGS
	asm-CPPFLAGS =
	endif

	# Command for linking programs with the C library.
	ifndef +link
	+link = $(CC) -nostdlib -nostartfiles -o $@ \
	$(sysdep-LDFLAGS) $(config-LDFLAGS) $(LDFLAGS) \
	$(addprefix $(csu-objpfx),start.o $(+preinit)) \
	$(filter-out $(common-objpfx)libc%,$^) $(link-libc) \
	$(addprefix $(csu-objpfx),$(+postinit))
	endif
	ifndef config-LDFLAGS
	ifeq (yes,$(build-shared))
	config-LDFLAGS = -Wl,-dynamic-linker=$(slibdir)/$(rtld-installed-name)
	endif
	endif
	ifndef link-libc
	ifeq (yes,$(build-shared))
	link-libc = -Wl,-rpath-link=$(common-objdir) \
	$(common-objpfx)libc.so$(libc.so-version) $(gnulib)
	# Choose the default search path for the dynamic linker based on
	# where we will install libraries.
	ifneq ($(libdir),$(slibdir))
	default-rpath = $(slibdir):$(libdir)
	else
	default-rpath = $(libdir)
	endif
	else
	link-libc = $(common-objpfx)libc.a $(gnulib) $(common-objpfx)libc.a
	endif
	endif
	ifndef gnulib
	gnulib := -lgcc
	endif
	ifeq ($(elf),yes)
	+preinit = crti.o
	+postinit = crtn.o
	endif
	ifdef objpfx
	csu-objpfx = $(objpfx)
	elf-objpfx = $(objpfx)
	else
	csu-objpfx = $(..)csu/
	elf-objpfx = $(..)elf/
	endif

	ifeq (yes,$(build-shared))
	ifndef rtld-installed-name
	rtld-installed-name = ld.so
	endif
	endif

	# How to run a program we just linked with our library.
	# The program binary is assumed to be $(word 2,$^).
	built-program-file = $(dir $(word 2,$^))$(notdir $(word 2,$^))
	ifneq (yes,$(build-shared))
	built-program-cmd = $(built-program-file)
	else
	comma = ,
	define built-program-cmd
	LD_LIBRARY_PATH=$(common-objdir)$(patsubst -Wl$(comma)-rpath-link=%,:%,\
	$(filter -Wl$(comma)-rpath-link=%,\
	$(sysdep-LDFLAGS))) \
	$(elf-objpfx)ld.so $(built-program-file)
	endef
	endif

	ifndef LD
	LD := ld -X
	endif

	ifndef RANLIB
	RANLIB = ranlib
	endif

	# Extra flags to pass to GCC.
	+gccwarn := -Wall -Wwrite-strings -Wno-parentheses -Winline -Wstrict-prototypes

	# This is the program that generates makefile
	# dependencies from C source files.
	ifndef +mkdep
	+mkdep = $(CC) -M
	endif

	# The program that makes Emacs-style TAGS files.
	ETAGS := etags -T

	# The `m4' macro processor; this is used by sysdeps/sparc/Makefile (and
	# perhaps others) to preprocess assembly code in some cases.
	M4 = m4

	####
	#### End of configuration variables.
	####

	# This tells some versions of GNU make before 3.63 not to export all variables.
	.NOEXPORT:

	# We want to echo the commands we're running without
	# umpteem zillion filenames along with it (we use `...' instead)
	# but we don't want this echoing done when the user has said
	# he doesn't want to see commands echoed by using -s.
	ifneq "$(findstring s,$(MAKEFLAGS))" "" # if -s
	+cmdecho := echo >/dev/null
	else # not -s
	+cmdecho := echo
	endif # -s

	# These are the flags given to the compiler to tell
	# it what sort of optimization and/or debugging output to do.
	ifndef +cflags
	# If `CFLAGS' was defined, use that.
	ifdef CFLAGS
	+cflags := $(filter-out -I%,$(CFLAGS))
	endif # CFLAGS
	endif # +cflags

	# If none of the above worked, default to "-g".
	ifeq "$(strip $(+cflags))" ""
	+cflags := $(default_cflags)
	endif # $(+cflags) == ""

	# If using gcc, add flags that only it will grok.
	ifneq "$(findstring gcc,$(CC))" ""
	+cflags := $(+cflags) $(+gccwarn)
	+gcc-nowarn := -w
	else
	+gcc-nowarn :=
	endif # gcc

	# Don't duplicate options if we inherited variables from the parent.
	+cflags := $(sort $(+cflags))


	# These are flags given to the C compiler to tell it to look for include
	# files (including ones given in angle brackets) in the current directory
	# and in the parent library source directory.
	# `+sysdep-includes' will be defined by Makerules.
	+includes = -I. $(filter-out -I,-I$(patsubst %/,%,$(..))) $($(stdio)-include) \
	$(includes) $(+sysdep-includes) $(last-includes)

	# Since libio has several internal header files, we use a -I instead
	# of many little headers in the top level source directory.
	libio-include = -I$(..)libio

	# These are the variables that the implicit compilation rules use.
	CPPFLAGS = $(+includes) $(defines) -include $(..)libc-symbols.h \
	$(sysdep-CPPFLAGS) $(CPPFLAGS-$(suffix $@))
	override CFLAGS = $(+cflags) $(sysdep-CFLAGS) $(CFLAGS-$(suffix $@)) \
	$(CFLAGS-$(<F))


	# This is the macro that the implicit linking rules use.
	ifneq "$(filter -g,$(+cflags))" "" # -g is in $(+cflags)
	LDFLAGS := -g
	endif


	# Enable object files for different versions of the library.
	# Various things use $(object-suffixes) to know what all to make.
	# The compilation rules use $(CPPFLAGS-${SUFFIX}) and $(CFLAGS-${SUFFIX})
	# to pass different flags for each flavor.
	libtypes = $(foreach o,$(object-suffixes),$(libtype$o))
	object-suffixes := .o
	libtype.o := lib%.a
	ifeq (yes,$(build-shared))
	# Under --enable-shared, we will build a shared library of PIC objects.
	# The PIC object files are named foo.so.
	object-suffixes += .so
	CPPFLAGS-.so = -DPIC
	CFLAGS-.so = -fPIC
	libtype.so := lib%_pic.a
	endif
	ifeq (yes,$(build-profile))
	# Under --enable-profile, we will build a static library of profiled objects.
	# The profiled object files are named foo.po.
	object-suffixes += .po
	CPPFLAGS-.po = -DPROF
	CFLAGS-.po = -pg
	libtype.po = lib%_p.a
	endif
	ifeq (yes,$(build-omitfp))
	# Under --enable-omitfp, we build an the library optimized without
	# debugging information using -fomit-frame-pointer, and build an extra
	# library with debugging information. The debuggable objects are named foo.go.
	object-suffixes += .go
	CFLAGS-.go = -g
	CFLAGS-.o = -g0 -O99 -fomit-frame-pointer
	CFLAGS-.so += $(CFLAGS.o)
	libtype.go = lib%_g.a
	endif


	+gnu-stabs = $(shell echo>&2 '*** BARF ON ME')

	ifneq ($(BUILD_CC),$(CC))
	cross-compiling := yes
	else
	cross-compiling := no
	endif


	endif # Makeconfig not yet included