handle an empty OPT variable correctly #8100
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@ -4596,7 +4596,7 @@ fi
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# tweak OPT based on compiler and platform, only if the user didn't set
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# it on the command line
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if test -z "$OPT"
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if test "${OPT-unset}" == "unset"
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then
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case $GCC in
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yes)
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@ -881,7 +881,7 @@ fi],
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# tweak OPT based on compiler and platform, only if the user didn't set
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# it on the command line
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AC_SUBST(OPT)
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if test -z "$OPT"
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if test "${OPT-unset}" == "unset"
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then
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case $GCC in
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yes)
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