if [ "$os" ] --> if [ x"$os" != x"" ]

From-SVN: r4928

if [ "$os" ] --> if [ x"$os" != x"" ]
From-SVN: r4928
f3b58347 · Doug Evans · a3f6caa7 · f3b58347
Commit f3b58347 authored Jul 16, 1993 by Doug Evans
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gcc/config.sub
+1 -1

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--- a/gcc/config.sub
+++ b/gcc/config.sub
@@ -495,7 +495,7 @@ esac
 # Decode manufacturer-specific aliases for certain operating systems.
-if [ "$os" ]
+if [ x"$os" != x"" ]
 then
 case $os in
 	# -solaris* is a basic system type, with this one exception.