(alpha*): Run program to see if ev4, ev5, or ev56.

diff --git a/config.guess b/config.guess
index da4358892ba77746e120d3d589821ff7fe7b0e84..a73a8d93c0c0177b3d6b81392bbf4dbf6fed54be 100755 (executable)
--- a/config.guess
+++ b/config.guess
@@ -56,7 +56,32 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
        # A Tn.n version is a released field test version.
        # A Xn.n version is an unreleased experimental baselevel.
        # 1.2 uses "1.2" for uname -r.
-       echo alpha-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[VTX]//'`
+       cat <<EOF >dummy.s
+       .globl main
+       .ent main
+main:
+       .frame \$30,0,\$26,0
+       .prologue 0
+       .long 0x47e03d84
+       cmoveq \$4,0,\$3
+       addl \$3,\$31,\$0
+       ret \$31,(\$26),1
+       .end main
+EOF
+       ${CC-cc} dummy.s -o dummy 2>/dev/null
+       if test "$?" = 0 ; then
+               ./dummy
+               case "$?" in
+                       1)
+                               UNAME_MACHINE="alphaev5"
+                               ;;
+                       2)
+                               UNAME_MACHINE="alphaev56"
+                               ;;
+               esac
+       fi
+       rm -f dummy.s dummy
+       echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[VTX]//'`
        exit 0 ;;
     21064:Windows_NT:50:3)
        echo alpha-dec-winnt3.5
@@ -457,7 +482,32 @@ EOF
        esac
 
        if test "${UNAME_MACHINE}" = "alpha" ; then
-         echo alpha-unknown-linux-gnu ; exit 0
+               sed 's/^        //'  <<EOF >dummy.s
+               .globl main
+               .ent main
+       main:
+               .frame \$30,0,\$26,0
+               .prologue 0
+               .long 0x47e03d84
+               cmoveq \$4,0,\$3
+               addl \$3,\$31,\$0
+               ret \$31,(\$26),1
+               .end main
+EOF
+               ${CC-cc} dummy.s -o dummy 2>/dev/null
+               if test "$?" = 0 ; then
+                       ./dummy
+                       case "$?" in
+                               1)
+                                       UNAME_MACHINE="alphaev5"
+                               ;;      
+                       2)      
+                                       UNAME_MACHINE="alphaev56"
+                               ;;      
+               esac    
+         fi    
+         rm -f dummy.s dummy
+         echo ${UNAME_MACHINE}-unknown-linux-gnu ; exit 0
        elif test "${UNAME_MACHINE}" = "mips" ; then
          cat >dummy.c <<EOF
 main(argc, argv)