SF patch #719359, fix test_long failure on OSF/1 with vendor cc

This also fixes several other bugs and patches by providing
the proper arguments to cc:  738066 and 741806 need -ieee,
693094 needs -std

configure

 #! /bin/sh
-# From configure.in Revision: 1.411 .
+# From configure.in Revision: 1.412 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.53 for python 2.3.
 #
@@ -3648,6 +3648,9 @@ yes)
     OpenUNIX*|UnixWare*)
 	BASECFLAGS="$BASECFLAGS -K pentium,host,inline,loop_unroll,alloca "
 	;;
+    OSF*)
+	BASECFLAGS="$BASECFLAGS -ieee -std"
+    	;;
     SCO_SV*)
 	BASECFLAGS="$BASECFLAGS -belf -Ki486 -DSCO5"
 	;;

configure.in

@@ -646,6 +646,9 @@ yes)
     OpenUNIX*|UnixWare*)
 	BASECFLAGS="$BASECFLAGS -K pentium,host,inline,loop_unroll,alloca "
 	;;
+    OSF*)
+	BASECFLAGS="$BASECFLAGS -ieee -std"
+    	;;
     SCO_SV*)
 	BASECFLAGS="$BASECFLAGS -belf -Ki486 -DSCO5"
 	;;