See ChangeLog: Mon Jul 17 16:35:47 CEST 2000 Werner Koch

3 files changed, 129 insertions, 111 deletions

diff --git a/scripts/ChangeLog b/scripts/ChangeLog
index e7420553..16779ff2 100644
--- a/scripts/ChangeLog
+++ b/scripts/ChangeLog
@@ -1,3 +1,8 @@
+Mon Jul 17 16:35:47 CEST 2000  Werner Koch  <wk@>
+
+  * config.gues, config.sub: Support for s390-ibm-linux-gnu; thanks
+  to Holger Smolinski.	Add support for QNX; by Sam Roberts.
+
 Tue Oct 26 14:10:21 CEST 1999  Werner Koch  <wk@gnupg.de>
 
 	* commit: Remove leading and trailing empty lines when copying
diff --git a/scripts/config.guess b/scripts/config.guess
index 46b3ea31..50fd53e3 100755
--- a/scripts/config.guess
+++ b/scripts/config.guess
@@ -10,7 +10,7 @@
 #
 # This program 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
+# 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
@@ -68,6 +68,9 @@ trap 'rm -f $dummy.c $dummy.o $dummy; exit 1' 1 2 15
 # Note: order is significant - the case branches are not exclusive.
 
 case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
+    *:QNX:*:*)
+	echo i386-pc-qnx
+	exit 0 ;;
     alpha:OSF1:*:*)
 	if test $UNAME_RELEASE = "V4.0"; then
 		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
@@ -226,30 +229,30 @@ EOF
 	exit 0 ;;
     # The situation for MiNT is a little confusing.  The machine name
     # can be virtually everything (everything which is not
-    # "atarist" or "atariste" at least should have a processor 
+    # "atarist" or "atariste" at least should have a processor
     # > m68000).  The system name ranges from "MiNT" over "FreeMiNT"
     # to the lowercase version "mint" (or "freemint").  Finally
     # the system name "TOS" denotes a system which is actually not
     # MiNT.  But MiNT is downward compatible to TOS, so this should
     # be no problem.
     atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
-        echo m68k-atari-mint${UNAME_RELEASE}
+	echo m68k-atari-mint${UNAME_RELEASE}
 	exit 0 ;;
     atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
 	echo m68k-atari-mint${UNAME_RELEASE}
-        exit 0 ;;
+	exit 0 ;;
     *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
-        echo m68k-atari-mint${UNAME_RELEASE}
+	echo m68k-atari-mint${UNAME_RELEASE}
 	exit 0 ;;
     milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
-        echo m68k-milan-mint${UNAME_RELEASE}
-        exit 0 ;;
+	echo m68k-milan-mint${UNAME_RELEASE}
+	exit 0 ;;
     hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
-        echo m68k-hades-mint${UNAME_RELEASE}
-        exit 0 ;;
+	echo m68k-hades-mint${UNAME_RELEASE}
+	exit 0 ;;
     *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
-        echo m68k-unknown-mint${UNAME_RELEASE}
-        exit 0 ;;
+	echo m68k-unknown-mint${UNAME_RELEASE}
+	exit 0 ;;
     sun3*:NetBSD:*:*)
 	echo m68k-sun-netbsd${UNAME_RELEASE}
 	exit 0 ;;
@@ -272,8 +275,8 @@ EOF
 	echo powerpc-apple-machten${UNAME_RELEASE}
 	exit 0 ;;
     macppc:NetBSD:*:*)
-        echo powerpc-apple-netbsd${UNAME_RELEASE}
-        exit 0 ;;
+	echo powerpc-apple-netbsd${UNAME_RELEASE}
+	exit 0 ;;
     RISC*:Mach:*:*)
 	echo mips-dec-mach_bsd4.3
 	exit 0 ;;
@@ -287,7 +290,7 @@ EOF
 	echo clipper-intergraph-clix${UNAME_RELEASE}
 	exit 0 ;;
     mips:*:*:UMIPS | mips:*:*:RISCos)
-	sed 's/^	//' << EOF >$dummy.c
+	sed 's/^        //' << EOF >$dummy.c
 #ifdef __cplusplus
 	int main (int argc, char *argv[]) {
 #else
@@ -326,19 +329,19 @@ EOF
 	echo m88k-motorola-sysv3
 	exit 0 ;;
     AViiON:dgux:*:*)
-        # DG/UX returns AViiON for all architectures
-        UNAME_PROCESSOR=`/usr/bin/uname -p`
-        if [ $UNAME_PROCESSOR = mc88100 -o $UNAME_PROCESSOR = mc88110 ] ; then
+	# DG/UX returns AViiON for all architectures
+	UNAME_PROCESSOR=`/usr/bin/uname -p`
+	if [ $UNAME_PROCESSOR = mc88100 -o $UNAME_PROCESSOR = mc88110 ] ; then
 	if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx \
 	     -o ${TARGET_BINARY_INTERFACE}x = x ] ; then
 		echo m88k-dg-dgux${UNAME_RELEASE}
 	else
 		echo m88k-dg-dguxbcs${UNAME_RELEASE}
 	fi
-        else echo i586-dg-dgux${UNAME_RELEASE}
-        fi
- 	exit 0 ;;
-    M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
+	else echo i586-dg-dgux${UNAME_RELEASE}
+	fi
+	exit 0 ;;
+    M88*:DolphinOS:*:*) # DolphinOS (SVR3)
 	echo m88k-dolphin-sysv3
 	exit 0 ;;
     M88*:*:R3*:*)
@@ -356,13 +359,13 @@ EOF
 	exit 0 ;;
     ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
 	echo romp-ibm-aix      # uname -m gives an 8 hex-code CPU id
-	exit 0 ;;              # Note that: echo "'`uname -s`'" gives 'AIX '
+	exit 0 ;;	       # Note that: echo "'`uname -s`'" gives 'AIX '
     i?86:AIX:*:*)
 	echo i386-ibm-aix
 	exit 0 ;;
     *:AIX:2:3)
 	if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
-		sed 's/^		//' << EOF >$dummy.c
+		sed 's/^                //' << EOF >$dummy.c
 		#include <sys/systemcfg.h>
 
 		main()
@@ -402,9 +405,9 @@ EOF
     ibmrt:4.4BSD:*|romp-ibm:BSD:*)
 	echo romp-ibm-bsd4.4
 	exit 0 ;;
-    ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC NetBSD and
+    ibmrt:*BSD:*|romp-ibm:BSD:*)	    # covers RT/PC NetBSD and
 	echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to
-	exit 0 ;;                           # report: romp-ibm BSD 4.3
+	exit 0 ;;			    # report: romp-ibm BSD 4.3
     *:BOSX:*:*)
 	echo rs6000-bull-bosx
 	exit 0 ;;
@@ -419,39 +422,39 @@ EOF
 	exit 0 ;;
     9000/[34678]??:HP-UX:*:*)
 	case "${UNAME_MACHINE}" in
-	    9000/31? )            HP_ARCH=m68000 ;;
-	    9000/[34]?? )         HP_ARCH=m68k ;;
+	    9000/31? )		  HP_ARCH=m68000 ;;
+	    9000/[34]?? )	  HP_ARCH=m68k ;;
 	    9000/[678][0-9][0-9])
-              sed 's/^              //' << EOF >$dummy.c
-              #include <stdlib.h>
-              #include <unistd.h>
+	      sed 's/^              //' << EOF >$dummy.c
+	      #include <stdlib.h>
+	      #include <unistd.h>
 
-              int main ()
-              {
-              #if defined(_SC_KERNEL_BITS)
-                  long bits = sysconf(_SC_KERNEL_BITS);
-              #endif
-                  long cpu  = sysconf (_SC_CPU_VERSION);
+	      int main ()
+	      {
+	      #if defined(_SC_KERNEL_BITS)
+		  long bits = sysconf(_SC_KERNEL_BITS);
+	      #endif
+		  long cpu  = sysconf (_SC_CPU_VERSION);
 
-                  switch (cpu)
-              	{
-              	case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
-              	case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
-              	case CPU_PA_RISC2_0:
-              #if defined(_SC_KERNEL_BITS)
-              	    switch (bits)
-              		{
-              		case 64: puts ("hppa2.0w"); break;
-              		case 32: puts ("hppa2.0n"); break;
-              		default: puts ("hppa2.0"); break;
-              		} break;
-              #else  /* !defined(_SC_KERNEL_BITS) */
-              	    puts ("hppa2.0"); break;
-              #endif
-              	default: puts ("hppa1.0"); break;
-              	}
-                  exit (0);
-              }
+		  switch (cpu)
+		{
+		case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
+		case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
+		case CPU_PA_RISC2_0:
+	      #if defined(_SC_KERNEL_BITS)
+		    switch (bits)
+			{
+			case 64: puts ("hppa2.0w"); break;
+			case 32: puts ("hppa2.0n"); break;
+			default: puts ("hppa2.0"); break;
+			} break;
+	      #else  /* !defined(_SC_KERNEL_BITS) */
+		    puts ("hppa2.0"); break;
+	      #endif
+		default: puts ("hppa1.0"); break;
+		}
+		  exit (0);
+	      }
 EOF
 	($CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null ) && HP_ARCH=`./$dummy`
 	rm -f $dummy.c $dummy
@@ -460,7 +463,7 @@ EOF
 	echo ${HP_ARCH}-hp-hpux${HPUX_REV}
 	exit 0 ;;
     3050*:HI-UX:*:*)
-	sed 's/^	//' << EOF >$dummy.c
+	sed 's/^        //' << EOF >$dummy.c
 	#include <unistd.h>
 	int
 	main ()
@@ -468,7 +471,7 @@ EOF
 	  long cpu = sysconf (_SC_CPU_VERSION);
 	  /* The order matters, because CPU_IS_HP_MC68K erroneously returns
 	     true for CPU_PA_RISC1_0.  CPU_IS_PA_RISC returns correct
-	     results, however.  */
+	     results, however.	*/
 	  if (CPU_IS_PA_RISC (cpu))
 	    {
 	      switch (cpu)
@@ -519,25 +522,25 @@ EOF
 	exit 0 ;;
     C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
 	echo c1-convex-bsd
-        exit 0 ;;
+	exit 0 ;;
     C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
 	if getsysinfo -f scalar_acc
 	then echo c32-convex-bsd
 	else echo c2-convex-bsd
 	fi
-        exit 0 ;;
+	exit 0 ;;
     C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
 	echo c34-convex-bsd
-        exit 0 ;;
+	exit 0 ;;
     C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
 	echo c38-convex-bsd
-        exit 0 ;;
+	exit 0 ;;
     C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
 	echo c4-convex-bsd
-        exit 0 ;;
+	exit 0 ;;
     CRAY*X-MP:*:*:*)
 	echo xmp-cray-unicos
-        exit 0 ;;
+	exit 0 ;;
     CRAY*Y-MP:*:*:*)
 	echo ymp-cray-unicos${UNAME_RELEASE}
 	exit 0 ;;
@@ -554,12 +557,12 @@ EOF
 	exit 0 ;;
     CRAY-2:*:*:*)
 	echo cray2-cray-unicos
-        exit 0 ;;
+	exit 0 ;;
     F300:UNIX_System_V:*:*)
-        FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
-        FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
-        echo "f300-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
-        exit 0 ;;
+	FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+	FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
+	echo "f300-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+	exit 0 ;;
     F301:UNIX_System_V:*:*)
        echo f301-fujitsu-uxpv`echo $UNAME_RELEASE | sed 's/ .*//'`
        exit 0 ;;
@@ -631,16 +634,17 @@ EOF
 	ld_help_string=`cd /; ld --help 2>&1`
 	ld_supported_emulations=`echo $ld_help_string \
 			 | sed -ne '/supported emulations:/!d
-				    s/[ 	][ 	]*/ /g
+				    s/[ 	][	]*/ /g
 				    s/.*supported emulations: *//
 				    s/ .*//
 				    p'`
-        case "$ld_supported_emulations" in
+	case "$ld_supported_emulations" in
 	  i?86linux)  echo "${UNAME_MACHINE}-pc-linux-gnuaout"      ; exit 0 ;;
 	  i?86coff)   echo "${UNAME_MACHINE}-pc-linux-gnucoff"      ; exit 0 ;;
 	  sparclinux) echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
 	  armlinux)   echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
 	  m68klinux)  echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
+	  elf_s390)   echo "${UNAME_MACHINE}-ibm-linux-gnu"         ; exit 0 ;;
 	  elf32ppc)
 		# Determine Lib Version
 		cat >$dummy.c <<EOF
@@ -668,13 +672,13 @@ EOF
 			if test "$?" = 0 ; then
 				LIBC="libc1"
 			fi
-		fi	
+		fi
 		rm -f $dummy.c $dummy
 		echo powerpc-unknown-linux-gnu${LIBC} ; exit 0 ;;
 	esac
 
 	if test "${UNAME_MACHINE}" = "alpha" ; then
-		sed 's/^	//'  <<EOF >$dummy.s
+		sed 's/^        //'  <<EOF >$dummy.s
 		.globl main
 		.ent main
 	main:
@@ -789,11 +793,11 @@ EOF
 	echo i386-sequent-sysv4
 	exit 0 ;;
     i?86:UNIX_SV:4.2MP:2.*)
-        # Unixware is an offshoot of SVR4, but it has its own version
-        # number series starting with 2...
-        # I am not positive that other SVR4 systems won't match this,
-	# I just have to hope.  -- rms.
-        # Use sysv4.2uw... so that sysv4* matches it.
+	# Unixware is an offshoot of SVR4, but it has its own version
+	# number series starting with 2...
+	# I am not positive that other SVR4 systems won't match this,
+	# I just have to hope.	-- rms.
+	# Use sysv4.2uw... so that sysv4* matches it.
 	echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
 	exit 0 ;;
     i?86:*:4.*:* | i?86:SYSTEM_V:4.*:*)
@@ -830,10 +834,10 @@ EOF
 	fi
 	exit 0 ;;
     pc:*:*:*)
-        # uname -m prints for DJGPP always 'pc', but it prints nothing about
-        # the processor, so we play safe by assuming i386.
+	# uname -m prints for DJGPP always 'pc', but it prints nothing about
+	# the processor, so we play safe by assuming i386.
 	echo i386-pc-msdosdjgpp
-        exit 0 ;;
+	exit 0 ;;
     Intel:Mach:3*:*)
 	echo i386-pc-mach3
 	exit 0 ;;
@@ -862,8 +866,8 @@ EOF
 	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
 	  && echo i586-ncr-sysv4.3${OS_REL} && exit 0 ;;
     3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
-        /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
-          && echo i486-ncr-sysv4 && exit 0 ;;
+	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+	  && echo i486-ncr-sysv4 && exit 0 ;;
     m68*:LynxOS:2.*:*)
 	echo m68k-unknown-lynxos${UNAME_RELEASE}
 	exit 0 ;;
@@ -897,9 +901,9 @@ EOF
 	fi
 	exit 0 ;;
     PENTIUM:CPunix:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
-                           # says <Richard.M.Bartel@ccMail.Census.GOV>
-        echo i586-unisys-sysv4
-        exit 0 ;;
+			   # says <Richard.M.Bartel@ccMail.Census.GOV>
+	echo i586-unisys-sysv4
+	exit 0 ;;
     *:UNIX_System_V:4*:FTX*)
 	# From Gerald Hewes <hewes@openmarket.com>.
 	# How about differentiating between stratus architectures? -djm
@@ -917,11 +921,11 @@ EOF
 	exit 0 ;;
     R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
 	if [ -d /usr/nec ]; then
-	        echo mips-nec-sysv${UNAME_RELEASE}
+		echo mips-nec-sysv${UNAME_RELEASE}
 	else
-	        echo mips-unknown-sysv${UNAME_RELEASE}
+		echo mips-unknown-sysv${UNAME_RELEASE}
 	fi
-        exit 0 ;;
+	exit 0 ;;
     BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
 	echo powerpc-be-beos
 	exit 0 ;;
@@ -964,11 +968,11 @@ main ()
 #include <sys/param.h>
   printf ("m68k-sony-newsos%s\n",
 #ifdef NEWSOS4
-          "4"
+	  "4"
 #else
 	  ""
 #endif
-         ); exit (0);
+	 ); exit (0);
 #endif
 #endif
 
@@ -1046,7 +1050,7 @@ main ()
 #endif
 
 #if defined(__EMX__)
-  printf ("i386-pc-os2_emx"); exit(0);  
+  printf ("i386-pc-os2_emx"); exit(0);
 #endif
 
   exit (1);
diff --git a/scripts/config.sub b/scripts/config.sub
index 2436b453..0159f720 100755
--- a/scripts/config.sub
+++ b/scripts/config.sub
@@ -12,7 +12,7 @@
 #
 # This program 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
+# 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
@@ -34,7 +34,7 @@
 # and recognize all the CPU types, system types and aliases
 # that are meaningful with *any* GNU software.
 # Each package is responsible for reporting which valid configurations
-# it does not support.  The user should be able to distinguish
+# it does not support.	The user should be able to distinguish
 # a failure to support a valid configuration from a meaningless
 # configuration.
 
@@ -166,7 +166,7 @@ case $basic_machine in
 		| arme[lb] | pyramid | mn10200 | mn10300 | tron | a29k \
 		| 580 | i960 | h8300 \
 		| hppa | hppa1.0 | hppa1.1 | hppa2.0 | hppa2.0w | hppa2.0n \
-		| alpha | alphaev[4-7] | alphaev56 | alphapca5[67] \
+		| alpha | alphaev[4-7] | alphaev56 | alphapca5[67] | s390 \
 		| we32k | ns16k | clipper | i370 | sh | powerpc | powerpcle \
 		| 1750a | dsp16xx | pdp11 | mips16 | mips64 | mipsel | mips64el \
 		| mips64orion | mips64orionel | mipstx39 | mipstx39el \
@@ -185,6 +185,12 @@ case $basic_machine in
 	i[34567]86)
 	  basic_machine=$basic_machine-pc
 	  ;;
+	s390 | s390-ibm)
+	  basic_machine=s390-ibm
+	  ;;
+	s390-redhat)
+	  basic_machine=s390-redhat
+	  ;;
 	# Object if more than one company name word.
 	*-*-*)
 		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
@@ -600,7 +606,7 @@ case $basic_machine in
 	pbb)
 		basic_machine=m68k-tti
 		;;
-        pc532 | pc532-*)
+	pc532 | pc532-*)
 		basic_machine=ns32k-pc532
 		;;
 	pentium | p5 | k5 | k6 | nexen)
@@ -627,12 +633,12 @@ case $basic_machine in
 	power)	basic_machine=rs6000-ibm
 		;;
 	ppc)	basic_machine=powerpc-unknown
-	        ;;
+		;;
 	ppc-*)	basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
 	ppcle | powerpclittle | ppc-le | powerpc-little)
 		basic_machine=powerpcle-unknown
-	        ;;
+		;;
 	ppcle-* | powerpclittle-*)
 		basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
@@ -756,8 +762,8 @@ case $basic_machine in
 		os=-vms
 		;;
 	vpp*|vx|vx-*)
-               basic_machine=f301-fujitsu
-               ;;
+	       basic_machine=f301-fujitsu
+	       ;;
 	vxworks960)
 		basic_machine=i960-wrs
 		os=-vxworks
@@ -782,7 +788,7 @@ case $basic_machine in
 		basic_machine=xmp-cray
 		os=-unicos
 		;;
-        xps | xps100)
+	xps | xps100)
 		basic_machine=xps100-honeywell
 		;;
 	z8k-*-coff)
@@ -830,7 +836,7 @@ case $basic_machine in
 	sparc | sparcv9)
 		basic_machine=sparc-sun
 		;;
-        cydra)
+	cydra)
 		basic_machine=cydra-cydrome
 		;;
 	orion)
@@ -872,8 +878,8 @@ esac
 if [ x"$os" != x"" ]
 then
 case $os in
-        # First match some system type aliases
-        # that might get confused with valid system types.
+	# First match some system type aliases
+	# that might get confused with valid system types.
 	# -solaris* is a basic system type, with this one exception.
 	-solaris1 | -solaris1.*)
 		os=`echo $os | sed -e 's|solaris1|sunos4|'`
@@ -881,6 +887,9 @@ case $os in
 	-solaris)
 		os=-solaris2
 		;;
+	-qnx)
+		os=-qnx
+		;;
 	-svr4*)
 		os=-sysv4
 		;;
@@ -948,7 +957,7 @@ case $os in
 		os=-sysv
 		;;
 	-ns2 )
-	        os=-nextstep2
+		os=-nextstep2
 		;;
 	# Preserve the version number of sinix5.
 	-sinix5.*)
@@ -984,8 +993,8 @@ case $os in
 	-xenix)
 		os=-xenix
 		;;
-        -*mint | -*MiNT)
-	        os=-mint
+	-*mint | -*MiNT)
+		os=-mint
 		;;
 	-none)
 		;;
@@ -1018,7 +1027,7 @@ case $basic_machine in
 	arm*-semi)
 		os=-aout
 		;;
-        pdp11-*)
+	pdp11-*)
 		os=-none
 		;;
 	*-dec | vax-*)
@@ -1108,19 +1117,19 @@ case $basic_machine in
 	*-next)
 		os=-nextstep3
 		;;
-        *-gould)
+	*-gould)
 		os=-sysv
 		;;
-        *-highlevel)
+	*-highlevel)
 		os=-bsd
 		;;
 	*-encore)
 		os=-bsd
 		;;
-        *-sgi)
+	*-sgi)
 		os=-irix
 		;;
-        *-siemens)
+	*-siemens)
 		os=-sysv4
 		;;
 	*-masscomp)