swr: Fix GCC 4.9 checks.
Fixes:f0a22956be("swr/rast: _mm*_undefined_* implementations for gcc<4.9") Fixes:e21fc2c625("swr/rast: non-regex knob fallback code for gcc < 4.9") Signed-off-by: Vinson Lee <vlee@freedesktop.org> Reviewed-by: Jan Zielinski <jan.zielinski@intel.com>
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@@ -43,7 +43,7 @@
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//========================================================
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void KnobBase::autoExpandEnvironmentVariables(std::string& text)
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{
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#if (__GNUC__) && (GCC_VERSION < 409000)
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#if (__GNUC__) && (GCC_VERSION < 40900)
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// <regex> isn't implemented prior to gcc-4.9.0
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// unix style variable replacement
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size_t start;
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