fix detection for CXX=clang
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@ -174,12 +174,12 @@ if [ $CLANG_FORCED = 1 ]; then
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# If both the $CC and $CXX environment variable point to something containing
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# "clang", use whatever these environment variables point to.
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elif [ "`echo $CC | grep -oF 'clang'`" = 'clang' -a "`echo $CXX | grep -oF 'clang'`" = 'clang' ]; then
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if [ `echo $CC | grep -Fq '/'` = '/' ]; then
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if [ "`echo $CC | grep -Fo '/'`" = '/' ]; then
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CLANG_CC=$CC
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else
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CLANG_CC=`which $CC`
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fi
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if [ `echo $CXX | grep -Fq '/'` = '/' ]; then
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if [ "`echo $CXX | grep -Fo '/'`" = '/' ]; then
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CLANG_CXX=$CXX
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else
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CLANG_CXX=`which $CXX`
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