Virgin import of GCC 2.7.2.3

1 files changed, 21 insertions, 11 deletions

diff --git a/contrib/gcc/config.sub b/contrib/gcc/config.sub
index e67a800..9bb45e9 100755
--- a/contrib/gcc/config.sub
+++ b/contrib/gcc/config.sub
@@ -62,11 +62,21 @@ case $1 in
 	;;
 esac
 
-# Separate what the user gave into CPU-COMPANY and OS (if any).
-basic_machine=`echo $1 | sed 's/-[^-]*$//'`
-if [ $basic_machine != $1 ]
-then os=`echo $1 | sed 's/.*-/-/'`
-else os=; fi
+# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).    
+# Here we must recognize all the valid KERNEL-OS combinations.
+maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
+case $maybe_os in
+  linux-gnu*)
+    os=-$maybe_os
+    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
+    ;;
+  *)
+    basic_machine=`echo $1 | sed 's/-[^-]*$//'`
+    if [ $basic_machine != $1 ]
+    then os=`echo $1 | sed 's/.*-/-/'`
+    else os=; fi
+    ;;
+esac
 
 ### Let's recognize common machines as not being operating systems so
 ### that things like config.sub decstation-3100 work.  We also
@@ -129,7 +139,7 @@ esac
 case $basic_machine in
 	# Recognize the basic CPU types without company name.
 	# Some are omitted here because they have special meanings below.
-	tahoe | i[345]86 | i860 | m68k | m68000 | m88k | ns32k | arm \
+	tahoe | i[3456]86 | i860 | m68k | m68000 | m88k | ns32k | arm \
 		| arme[lb] | pyramid \
 		| tron | a29k | 580 | i960 | h8300 | hppa1.0 | hppa1.1 \
 		| alpha | we32k | ns16k | clipper | sparclite | i370 | sh \
@@ -144,7 +154,7 @@ case $basic_machine in
 		exit 1
 		;;
 	# Recognize the basic CPU types with company name.
-	vax-* | tahoe-* | i[345]86-* | i860-* | m68k-* | m68000-* | m88k-* \
+	vax-* | tahoe-* | i[3456]86-* | i860-* | m68k-* | m68000-* | m88k-* \
 	      | sparc-* | ns32k-* | fx80-* | arm-* | c[123]* \
 	      | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* | power-* \
 	      | none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \
@@ -308,19 +318,19 @@ case $basic_machine in
 		os=-mvs
 		;;
 # I'm not sure what "Sysv32" means.  Should this be sysv3.2?
-	i[345]86v32)
+	i[3456]86v32)
 		basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 		os=-sysv32
 		;;
-	i[345]86v4*)
+	i[3456]86v4*)
 		basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 		os=-sysv4
 		;;
-	i[345]86v)
+	i[3456]86v)
 		basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 		os=-sysv
 		;;
-	i[345]86sol2)
+	i[3456]86sol2)
 		basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'`
 		os=-solaris2
 		;;