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bug #556: workaround mingw bug with -O3 or -fipa-cp-clone

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This commit is contained in:
Gael Guennebaud 2013-07-05 23:47:40 +02:00
parent 4f14b3fa72
commit cc03c9d683
1 changed files with 6 additions and 0 deletions
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6
Eigen/Core
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@ -19,6 +19,12 @@
// defined e.g. EIGEN_DONT_ALIGN) so it needs to be done before we do anything with vectorization.
#include "src/Core/util/Macros.h"
// Disable the ipa-cp-clone optimization flag with MinGW 6.x or newer (enabled by default with -O3)
// See http://eigen.tuxfamily.org/bz/show_bug.cgi?id=556 for details.
#if defined(__MINGW32__) && EIGEN_GNUC_AT_LEAST(4,6)
#pragma GCC optimize ("-fno-ipa-cp-clone")
#endif
#include <complex>
// this include file manages BLAS and MKL related macros