makefile.in

早期freebsd实现

# Makefile for GNU C compiler.
#   Copyright (C) 1987, 1988, 1990, 1991, 1992 Free Software Foundation, Inc.

#This file is part of GNU CC.

#GNU CC 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, or (at your option)
#any later version.

#GNU CC 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 GNU CC; see the file COPYING.  If not, write to
#the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

# The targets for external use include:
# all, doc, proto, install, install-cross, install-cross-rest,
# uninstall, TAGS, mostlyclean, clean, distclean, realclean,
# stage1, stage2, stage3, stage4.

# Suppress smart makes who think they know how to automake Yacc files
.y.c:

# Variables that exist for you to override.
# See below for how to change them for certain systems.

# Selection of languages to be made.
LANGUAGES = c c++ objective-c proto

ALLOCA =
ALLOCA_FLAGS =
ALLOCA_FINISH = true

# Various ways of specifying flags for compilations:  
# CFLAGS is for the user to override to, e.g., do a bootstrap with -O2.
# BOOT_CFLAGS is the value of CFLAGS to pass
# to the stage2 and stage3 compilations
# XCFLAGS is used for most compilations but not when using the GCC just built.
XCFLAGS =
CFLAGS = -g
BOOT_CFLAGS = -O $(CFLAGS)
# These exists to be overridden by the x-* and t-* files, respectively.
X_CFLAGS =
T_CFLAGS =

X_CPPFLAGS =
T_CPPFLAGS =

CC = cc
BISON = bison
BISONFLAGS =
AR = ar
OLDAR_FLAGS = qc
AR_FLAGS = rc
SHELL = /bin/sh
# on sysV, define this as cp.
INSTALL = install -c
# These permit overriding just for certain files.
INSTALL_PROGRAM = $(INSTALL) -m 775
INSTALL_DATA = $(INSTALL) -m 664
SYMLINK = ln -s

# Define this as & to perform parallel make on a Sequent.
# Note that this has some bugs, and it seems currently necessary 
# to compile all the gen* files first by hand to avoid erroneous results.
P =

# How to invoke ranlib.
RANLIB = ranlib
# Test to use to see whether ranlib exists on the system.
RANLIB_TEST = [ -f /usr/bin/ranlib -o -f /bin/ranlib ]

# Compiler to use for compiling libgcc1.a.
# OLDCC should not be the GNU C compiler,
# since that would compile typical libgcc1.a functions such as mulsi3
# into infinite recursions.
OLDCC = cc

# CFLAGS for use with OLDCC, for compiling libgcc1.a.
# NOTE: -O does not work on some Unix systems!
CCLIBFLAGS = -O

# Version of ar to use when compiling libgcc1.a.
OLDAR = ar

# The GCC to use for compiling libgcc2.a, enquire, and cross-test.
# Usually the one we just built.
# Don't use this as a dependency--use $(GCC_PASSES) or $(GCC_PARTS).
GCC_FOR_TARGET = ./xgcc -B./

# This is used instead of ALL_CFLAGS when compiling with GCC_FOR_TARGET.
# It omits XCFLAGS, and specifies -B./.
# It also specifies -B$(tooldir)/ to find as and ld for a cross compiler.
GCC_CFLAGS=$(INTERNAL_CFLAGS) $(X_CFLAGS) $(T_CFLAGS) $(CFLAGS) $(CROSS_GCC_CFLAGS)

# Special flags for compiling enquire.
# We disable optimization to make floating point more reliable.
ENQUIRE_CFLAGS = -DNO_MEM -DNO_STDDEF -DNO_LONG_DOUBLE_IO -O0
ENQUIRE_LDFLAGS = $(LDFLAGS)

# Tools to use when building a cross-compiler.
# These are used because `configure' appends `cross-make'
# to the makefile when making a cross-compiler.

TARGET_TOOLPREFIX = $(tooldir)/bin/
AR_FOR_TARGET = $(TARGET_TOOLPREFIX)ar
AR_FOR_TARGET_FLAGS = rc
RANLIB_FOR_TARGET = $(TARGET_TOOLPREFIX)ranlib
RANLIB_TEST_FOR_TARGET = [ -f $(TARGET_TOOLPREFIX)ranlib ]
CROSS_TOOLS =

# Dir to search for system headers.  Overridden by cross-make.
SYSTEM_HEADER_DIR = /usr/include

# There may be a premade insn-attrtab.c for this machine.
# (You could rebuild it with genattrtab as usual, but it takes a long time.)
# PREMADE_ATTRTAB is the file name of the file to use.
# PREMADE_ATTRTAB_MD is the md file it corresponds to.
PREMADE_ATTRTAB_MD = Makefile  # Guaranteed not to cmp equal to md.
PREMADE_ATTRTAB = 

target= ... `configure' substitutes actual target name here.
xmake_file= ... `configure' substitutes actual x- file name here.
tmake_file= ... `configure' substitutes actual t- file name here.
version=`sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/' < $(srcdir)/version.c`

# Directory where sources are, from where we are.
srcdir = .
# Common prefix for installation directories.
# NOTE: This directory must exist when you start installation.
prefix = /usr/libexec
# Directory in which to put host dependent programs and libraries
exec_prefix = $(prefix)/gcc2
# Directory in which to put the executable for the command `gcc'
bindir = $(exec_prefix)
# Directory in which to put the directories used by the compiler.
libdir = $(exec_prefix)
# Directory in which the compiler finds executables, libraries, etc.
libsubdir = $(exec_prefix)
# Directory for header file assert.h.
#includedir =
# assertdir is overridden in cross-make.
assertdir = $(includedir)
# Extension (if any) to put in installed man-page filename.
manext = .0
# Directory in which to put man pages.
mandir = /usr/contrib/man/cat1
# Directory in which to find other cross-compilation tools and headers.
# Used in install-cross.
tooldir = $(prefix)/$(target)
# Dir for temp files.
tmpdir = /tmp

GROFF=nroff -man

# Additional system libraries to link with.
CLIB=

# Change this to a null string if obstacks are installed in the
# system library.
OBSTACK= obstack.o

# Specify the rule for actually making libgcc1.a.
# The value may be empty; that means to do absolutely nothing
# with or for libgcc1.a.
LIBGCC1 = libgcc1.a

# Specify the rule for actually making libgcc2.a.
LIBGCC2 = libgcc2.a

# Options to use when compiling libgcc2.a.
# -g1 causes output of debug info only for file-scope entities.
# we use this here because that should be enough, and also
# so that -g1 will be tested.
LIBGCC2_CFLAGS = -O2 $(GCC_CFLAGS) -g1

# List of extra executables that should be compiled for this target machine
# that are used for compiling from source code to object code.
# The rules for compiling them should be in the t-* file for the machine.
EXTRA_PASSES =

# Like EXTRA_PASSES, but these are used when linking.
EXTRA_PROGRAMS = 

# List of extra object files that should be compiled for this target machine.
# The rules for compiling them should be in the t-* file for the machine.
EXTRA_PARTS =

# List of extra object files that should be compiled and linked with
# compiler proper (cc1, cc1obj, cc1plus).
EXTRA_OBJS =

# List of additional header files to install.
# Often this is edited directly by `configure'.
EXTRA_HEADERS =

# Set this to `ld' to enable use of collect2.
# USE_COLLECT2 =
# It is convenient for configure to add the assignment at the beginning,
# so don't override it here.

# List of extra C and assembler files to add to libgcc1.a.
# Assembler files should have names ending in `.asm'.
LIB1FUNCS_EXTRA = 

# List of extra C and assembler files to add to libgcc2.a.
# Assembler files should have names ending in `.asm'.
LIB2FUNCS_EXTRA = 

# Program to convert libraries.
LIBCONVERT = 

# Control whether header files are installed.
# We will change this to install-fixincludes eventually.
# It would be useful for people to try this now.
#INSTALL_HEADERS=install-headers

# Select which version of fixincludes to use (I.E. regular versus SVR4)
FIXINCLUDES=fixincludes

# Additional directories of header files to run fixincludes on.
# On most systems, this is empty.
OTHER_FIXINCLUDES_DIRS=

# List of things which should already be built whenever we try to use xgcc
# to compile anything (without linking).
GCC_PASSES=xgcc cc1 cpp $(EXTRA_PASSES)

# List of things which should already be built whenever we try to use xgcc
# to link anything.
GCC_PARTS=$(GCC_PASSES) libgcc.a $(EXTRA_PROGRAMS) $(USE_COLLECT2) $(EXTRA_PARTS)

# Directory to link to, when using the target `maketest'.
DIR = ../gcc

# Flags to use when cross-building GCC.
# Prefix to apply to names of object files when using them
# to run on the machine we are compiling on.
HOST_PREFIX=
# Prefix to apply to names of object files when compiling them
# to run on the machine we are compiling on.
# The default for this variable is chosen to keep these rules 
# out of the way of the other rules for compiling the same source files.
HOST_PREFIX_1=loser-
HOST_CC=$(CC)
HOST_CFLAGS=$(ALL_CFLAGS)
HOST_CLIB=$(CLIB)
HOST_LDFLAGS=$(LDFLAGS)
HOST_CPPFLAGS=$(ALL_CPPFLAGS)
HOST_ALLOCA=$(ALLOCA)
HOST_MALLOC=$(MALLOC)
HOST_OBSTACK=$(OBSTACK)

# Choose the real default target.
ALL=all.internal

# Choose the real install target.
INSTALL_TARGET=install-native

# End of variables for you to override.

# Definition of `all' is here so that new rules inserted by sed
# do not specify the default target.
# The real definition is under `all.internal' (for native compilers)
# or `all.cross' (for cross compilers).
all: all.indirect

# This tells GNU Make version 3 not to put all variables in the environment.
.NOEXPORT:

# sed inserts variable overrides after the following line.
####target overrides
####host overrides
####cross overrides
####build overrides

# Now figure out from those variables how to compile and link.

all.indirect: $(ALL)

# IN_GCC tells obstack.h to use gstddef.h.
INTERNAL_CFLAGS = $(CROSS) -DIN_GCC

# This is the variable actually used when we compile.
ALL_CFLAGS = $(INTERNAL_CFLAGS) $(X_CFLAGS) $(T_CFLAGS) $(CFLAGS) $(XCFLAGS)

# Likewise.
ALL_CPPFLAGS = $(CPPFLAGS) $(X_CPPFLAGS) $(T_CPPFLAGS)

# Even if ALLOCA is set, don't use it if compiling with GCC.
USE_ALLOCA= ` case "${CC}" in "${OLDCC}") echo ${ALLOCA} ;; esac `
USE_HOST_ALLOCA= ` case "${HOST_CC}"@"${HOST_ALLOCA}" in "${OLDCC}"@?*) echo ${HOST_PREFIX}${HOST_ALLOCA} ;; esac `
USE_HOST_MALLOC= ` case "${HOST_MALLOC}" in ?*) echo ${HOST_PREFIX}${HOST_MALLOC} ;; esac `
USE_HOST_OBSTACK= ` case "${HOST_OBSTACK}" in ?*) echo ${HOST_PREFIX}${HOST_OBSTACK} ;; esac `

# Dependency on obstack, alloca, malloc or whatever library facilities
# are not installed in the system libraries.
# We don't use USE_ALLOCA because backquote expansion doesn't work in deps.
LIBDEPS= $(OBSTACK) $(ALLOCA) $(MALLOC)

# Likewise, for use in the tools that must run on this machine
# even if we are cross-building GCC.
# We don't use USE_ALLOCA because backquote expansion doesn't work in deps.
HOST_LIBDEPS= $(HOST_PREFIX)$(HOST_OBSTACK) $(HOST_PREFIX)$(HOST_ALLOCA) $(HOST_PREFIX)$(HOST_MALLOC)

# How to link with both our special library facilities
# and the system's installed libraries.
LIBS = $(OBSTACK) $(USE_ALLOCA) $(MALLOC) $(CLIB)

# Likewise, for use in the tools that must run on this machine
# even if we are cross-building GCC.
HOST_LIBS = $(USE_HOST_OBSTACK) $(USE_HOST_ALLOCA) $(USE_HOST_MALLOC)  \
	    $(HOST_CLIB)

HOST_RTL = $(HOST_PREFIX)rtl.o
HOST_RTLANAL = $(HOST_PREFIX)rtlanal.o
HOST_PRINT = $(HOST_PREFIX)print-rtl.o

# Specify the directories to be searched for header files.
# Both . and srcdir are used, in that order,
# so that tm.h and config.h will be found in the compilation
# subdirectory rather than in the source directory.
INCLUDES = -I. -I$(srcdir) -I$(srcdir)/config
SUBDIR_INCLUDES = -I.. -I../$(srcdir) -I../$(srcdir)/config

# Always use -I$(srcdir)/config when compiling.