Removing unnecessary ()'s doesn't seem to make any time difference on

cygint.  I think modern shell's execute this internally without a call
to a separate shell process.  I've left the change in anyway.  It may
help on older, slower machines.

diff --git a/configure b/configure
index a56c48484c5d7223bbb39d82449ba6aa29676e0c..74bf72660a2ca07f5a01febecd1dbcbdc3f3eb4b 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # Configuration script
-#   Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.
+#   Copyright (C) 1988, 1990, 1991, 1992 Free Software Foundation, Inc.
 
 #This file is part of GNU.
 
@@ -19,8 +19,6 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
-# $Id$
-
 # Please email any bugs, comments, and/or additions to this file to:
 # configure@cygnus.com
 
@@ -104,9 +102,9 @@ NO_EDIT="This file was generated automatically by configure.  Do not edit."
 
 PWD=`pwd`
 
-if (echo $0 | grep '^/' > /dev/null) ; then
+if echo $0 | grep '^/' > /dev/null ; then
        progname=$0
-elif (echo $0 | grep '/' > /dev/null) ; then
+elif echo $0 | grep '/' > /dev/null ; then
        progname=${PWD}/$0
 else
        progname=$0
@@ -341,7 +339,7 @@ fi
 
 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 
-if (${configsub} `echo ${hosts} | sed -e 's/ .*//'`) >/dev/null 2>&1 ; then
+if ${configsub} `echo ${hosts} | sed -e 's/ .*//'` >/dev/null 2>&1 ; then
        true
 else
        echo '***' cannot find config.sub.
@@ -481,7 +479,7 @@ for host in ${hosts} ; do
 #                              then
 #                                      if [ ! -d H-${host_alias} ] ; then mkdir H-${host_alias} ; fi
 #
-#                                      if (${symbolic_link} ${subdirname} H-${host_alias} 2> /dev/null) ; then
+#                                      if ${symbolic_link} ${subdirname} H-${host_alias} 2> /dev/null ; then
 #                                              true
 #                                      else # just give up. they lose.
 #                                              rmdir H-${host_alias}
@@ -599,11 +597,11 @@ for host in ${hosts} ; do
                        echo "target_os = ${target_os}" >> ${Makefile}
 
 #                      if [ -n "${subdirs}" ] ; then
-#                              (echo "subdir = /${subdirname}" ;
-#                                      echo "unsubdir = ..") >> ${Makefile}
+#                              echo "subdir = /${subdirname}" >> ${Makefile}
+#                              echo "unsubdir = .." >> ${Makefile}
 #                      else
-                               (echo "subdir =" ;
-                                       echo "unsubdir = .") >> ${Makefile}
+                               echo "subdir =" >> ${Makefile}
+                               echo "unsubdir = ." >> ${Makefile}
 #                      fi
 
                #       echo "workdir = ${PWD}" >> ${Makefile}
@@ -617,32 +615,32 @@ for host in ${hosts} ; do
                                site_makefile_frag=config/ms-${site}
 
                                if [ -f ${srcdir}/${site_makefile_frag} ] ; then
-                                       (echo "site_makefile_frag = ${srcdir}/${site_makefile_frag}" ; 
-                                               sed -e "/^####/  r ${srcdir}/${site_makefile_frag}" ${Makefile}) > Makefile.tem
+                                       echo "site_makefile_frag = ${srcdir}/${site_makefile_frag}" > Makefile.tem
+                                       sed -e "/^####/  r ${srcdir}/${site_makefile_frag}" ${Makefile} >> Makefile.tem
                                else
-                                       (echo "site_makefile_frag =" ; 
-                                               cat ${Makefile}) > Makefile.tem
+                                       echo "site_makefile_frag =" > Makefile.tem
+                                       cat ${Makefile} >> Makefile.tem
                                fi
                                mv Makefile.tem ${Makefile}
                        fi
 
                        # Conditionalize the makefile for this host.
                        if [ -f ${srcdir}/${host_makefile_frag} ] ; then
-                               (echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" ;
-                                       sed -e "/^####/  r ${srcdir}/${host_makefile_frag}" ${Makefile}) > Makefile.tem
+                               echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" > Makefile.tem
+                               sed -e "/^####/  r ${srcdir}/${host_makefile_frag}" ${Makefile} >> Makefile.tem
                        else
-                               (echo "host_makefile_frag =" ;
-                                       cat ${Makefile}) > Makefile.tem
+                               echo "host_makefile_frag =" > Makefile.tem
+                               cat ${Makefile} >> Makefile.tem
                        fi
                        mv Makefile.tem ${Makefile}
 
                        # Conditionalize the makefile for this target.
                        if [ -f ${srcdir}/${target_makefile_frag} ] ; then
-                               (echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" ; 
-                                       sed -e "/^####/  r ${srcdir}/${target_makefile_frag}" ${Makefile}) > Makefile.tem
+                               echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" > Makefile.tem
+                               sed -e "/^####/  r ${srcdir}/${target_makefile_frag}" ${Makefile} >> Makefile.tem
                        else
-                               (echo "target_makefile_frag =" ; 
-                                       cat ${Makefile}) > Makefile.tem
+                               echo "target_makefile_frag =" > Makefile.tem
+                               cat ${Makefile} >> Makefile.tem
                        fi
                        mv Makefile.tem ${Makefile}
 
@@ -744,16 +742,16 @@ ${progname}" ${arguments}  "
                                        esac
 
 ### The recursion line is here.
-                                       if [ -x configure ] ; then
+                                       if [ -f configure ] ; then
                                                recprog=`pwd`/configure
                                        else
                                                recprog=${progname}
                                        fi
 
-                                       if (${recprog} -recurring ${host_alias} -target=${target_alias} \
+                                       if ${recprog} -recurring ${host_alias} -target=${target_alias} \
                                                ${verbose} ${subdirs} ${removing} ${prefixoption} \
                                                ${tmpdiroption} ${namesubdiroption} ${datadiroption} \
-                                               ${srcdiroption}) ; then
+                                               ${srcdiroption} ; then
                                                true
                                        else
                                                exit 1