diff options
Diffstat (limited to 'Makeconfig')
| -rw-r--r-- | Makeconfig | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/Makeconfig b/Makeconfig new file mode 100644 index 0000000000..434f8b2d19 --- /dev/null +++ b/Makeconfig @@ -0,0 +1,358 @@ +# Copyright (C) 1991, 1992, 1993, 1994, 1995 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 + +libc.a = $(common-objpfx)libc.a + + +# Get the values defined by options to `configure'. +include $(common-objpfx)config.make + +# Force the user to configure before making. +$(common-objpfx)config.make: + @echo The GNU C library has not been configured. >&2 + @echo Run \`configure\' to configure it before building. >&2 + @exit 1 + +# 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. +#### + + +# Common prefix for machine-independent installation directories. +ifndef prefix +prefix = /usr/local +endif + +# Common prefix for machine-dependent installation directories. +ifndef exec_prefix +exec_prefix = $(prefix) +endif + +# Where to install the library and object files. +ifndef libdir +libdir = $(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. +ifndef libprefix +libprefix = +endif + +# Where to install the header files. +ifndef includedir +includedir = $(exec_prefix)/include +endif + +# Define if the library should install its own <stddef.h>. +# Do this unless you are using version 2.2 or later of GCC. +ifndef stddef.h +stddef.h = stddef.h +endif + +# Where to install machine-independent data files. +# These are the timezone database, and eventually 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 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 $(LDFLAGS) -o $@ \ + $(common-objpfx)start.o $(^:lib=$(libc.a)) $(gnulib) $(libc.a) +endif +ifndef gnulib +gnulib := -lgcc +endif + +ifndef LD +LD := ld -X +endif + +ifndef RANLIB +RANLIB = ranlib +endif + +# Extra flags to pass to GCC. ++gccwarn := -Wall -Wwrite-strings -Wno-parentheses + +# 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 %/,%,$(..))) \ + $(includes) $(+sysdep-includes) $(last-includes) + + +# These are the variables that the implicit compilation rules use. +CPPFLAGS = $(+includes) $(defines) -include $(..)libc-symbols.h \ + $(sysdep-CPPFLAGS) +override CFLAGS = $(+cflags) $(sysdep-CFLAGS) + + +# This is the macro that the implicit linking rules use. +ifneq "$(filter -g,$(+cflags))" "" # -g is in $(+cflags) +LDFLAGS := -g +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 |