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defines.m4：源码内容
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#
# Copyright (c) 1999 Sendmail, Inc. and its suppliers.
#	All rights reserved.
#
# By using this file, you agree to the terms and conditions set
# forth in the LICENSE file which can be found at the top level of
# the sendmail distribution.
#
#
#  Definitions for Makefile construction for sendmail
#
#	$Id: defines.m4,v 8.25 1999/11/30 04:00:59 ca Exp $
#
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# C compiler
CC=	confCC
CCOPTS= ifdef(`confCCOPTS', `confCCOPTS', ` ') ifdef(`confMT', ifdef(`confMTCCOPTS', `confMTCCOPTS', `'), `')
# C Linker
LD=	ifdef(`confLD', `confLD', `confCC')
LDOPTS=	ifdef(`confLDOPTS', `confLDOPTS') ifdef(`confMT', ifdef(`confMTLDOPTS', `confMTLDOPTS', `'), `')
LDOPTS_SO= ${LDOPTS} ifdef(`confLDOPTS_SO', `confLDOPTS_SO', `-shared')
# Shell
SHELL=	confSHELL
# use O=-O (usual) or O=-g (debugging)
O=	ifdef(`confOPTIMIZE', `confOPTIMIZE', `-O')
# Object archiver
AR=     ifdef(`confAR', `confAR', `ar')
AROPTS=	ifdef(`confAROPTS', `confAROPTS', `crv')
# Ranlib (or echo)
RANLIB= ifdef(`confRANLIB', `confRANLIB', `ranlib')
RANLIBOPTS=	ifdef(`confRANLIBOPTS', `confRANLIBOPTS', `')
# Object stripper
STRIP=	ifdef(`confSTRIP', `confSTRIP', `strip')
STRIPOPTS=	ifdef(`confSTRIPOPTS', `confSTRIPOPTS', `')
# environment definitions (e.g., -D_AIX3)
ENVDEF= ifdef(`confENVDEF', `confENVDEF') ifdef(`conf_'bldCURRENT_PRD`_ENVDEF', `conf_'bldCURRENT_PRD`_ENVDEF')
# location of the source directory
SRCDIR=	ifdef(`confSRCDIR', `confSRCDIR', `_SRC_PATH_')
# include directories
INCDIRS= confINCDIRS
# library directories
LIBDIRS=confLIBDIRS
# Additional libs needed
LIBADD= ifdef(`conf_'bldCURRENT_PRD`_LIBS', `conf_'bldCURRENT_PRD`_LIBS') 
# libraries required on your system
#  delete -l44bsd if you are not running BIND 4.9.x
LIBS=	ifdef(`confLIBS', `confLIBS') ${LIBADD} 
# location of sendmail binary (usually /usr/sbin or /usr/lib)
BINDIR=	ifdef(`confMBINDIR', `confMBINDIR', `/usr/sbin')
# location of "user" binaries (usually /usr/bin or /usr/ucb)
UBINDIR=ifdef(`confUBINDIR', `confUBINDIR', `/usr/bin')
# location of "root" binaries (usually /usr/sbin or /usr/etc)
SBINDIR=ifdef(`confSBINDIR', `confSBINDIR', `/usr/sbin')
# location of "libexec" binaries (usually /usr/libexec or /usr/etc)
EBINDIR=ifdef(`confEBINDIR', `confEBINDIR', `/usr/libexec')
# additional .c files needed
SRCADD= ifdef(`confSRCADD', `confSRCADD')
ifdef(`conf_'bldCURRENT_PRD`_SRCADD', `bldLIST_PUSH_ITEM(`bldSOURCES', `conf_'bldCURRENT_PRD`_SRCADD')')
# additional .o files needed
OBJADD=	ifdef(`confOBJADD', `confOBJADD')
bldCURRENT_PRODUCT`OBJADD'= ifdef(`conf_'bldCURRENT_PRD`_OBJADD', `conf_'bldCURRENT_PRD`_OBJADD') ifdef(`confLIBADD', `bldADD_EXTENSIONS(`a', confLIBADD)', `') 
# copy files
CP= ifdef(`confCOPY', `confCOPY', `cp')
###################  end of user configuration flags  ######################
BUILDBIN=confBUILDBIN
COPTS=	-I. ${INCDIRS} ${ENVDEF} ${CCOPTS}
CFLAGS=	$O ${COPTS} ifdef(`confMT', ifdef(`confMTCFLAGS', `confMTCFLAGS -DXP_MT', `-DXP_MT'), `')
BEFORE=	confBEFORE
LINKS=ifdef(`bldLINK_SOURCES', `bldLINK_SOURCES', `')
bldCURRENT_PRODUCT`SRCS'= bldSOURCES ${SRCADD}
bldCURRENT_PRODUCT`OBJS'= bldSUBST_EXTENSIONS(`o', bldSOURCES) ifdef(`bldLINK_SOURCES', `bldSUBST_EXTENSIONS(`o', bldLINK_SOURCES)') ${OBJADD} ${bldCURRENT_PRODUCT`OBJADD'}
bldCURRENT_PRODUCT`SMDEPLIBS'= ifdef(`bldSMDEPLIBS', `bldSMDEPLIBS', `')
bldCURRENT_PRODUCT`TARGET_LINKS'= ifdef(`bldTARGET_LINKS', `bldTARGET_LINKS', `')
bldPUSH_ALL_SRCS(bldCURRENT_PRODUCT`SRCS')dnl
ifdef(`bldBIN_TYPE', , `define(`bldBIN_TYPE', `U')')dnl
ifdef(`bldINSTALL_DIR', , `define(`bldINSTALL_DIR', `U')')dnl
NROFF=	ifdef(`confNROFF', `confNROFF', `groff -Tascii')
MANDOC=	ifdef(`confMANDOC', `confMANDOC', `-man')
INSTALL=ifdef(`confINSTALL', `confINSTALL', `install')
# User binary ownership/permissions
UBINOWN=ifdef(`confUBINOWN', `confUBINOWN', `bin')
UBINGRP=ifdef(`confUBINGRP', `confUBINGRP', `bin')
UBINMODE=ifdef(`confSBINMODE', `confSBINMODE', `555')
# Setuid binary ownership/permissions
SBINOWN=ifdef(`confSBINOWN', `confSBINOWN', `root')
SBINGRP=ifdef(`confSBINGRP', `confSBINGRP', `bin')
SBINMODE=ifdef(`confSBINMODE', `confSBINMODE', `4555')

						