--- a/configure.ac
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+++ b/configure.ac
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@@ -13,11 +13,6 @@ AC_LANG([C++])
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dnl the debug check has to be made before the program checks
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dnl because it modifies CXXFLAGS
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-if test x$CXX = xclang++; then
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- CXXFLAGS="-msse2 $CXXFLAGS"
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-else
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- CXXFLAGS="-msse2 -mfpmath=sse $CXXFLAGS"
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-fi
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AC_ARG_ENABLE([debug], [AS_HELP_STRING([--enable-debug],[enable sumo debugging code [default=no].])])
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if test x$enable_debug = xyes; then
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AC_DEFINE(_DEBUG, 1, [Define to 1 in order to enable sumo debugging code.])
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