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| author |  Gael Guennebaud <g.gael@free.fr> | 2013-07-05 23:47:40 +0200 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2013-07-05 23:47:40 +0200 |
| commit | cc03c9d68354ea3fed03481de045c185ddc1fc49 (patch) | |
| tree | afb36436222b31e6595ff8af38c32c550b15edb0 | |
| parent | 4f14b3fa726e25b14f1f06522353ee56707c2872 (diff) | |
bug #556: workaround mingw bug with -O3 or -fipa-cp-clone
| -rw-r--r-- | Eigen/Core | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Eigen/Core b/Eigen/Core index 7e068cbbd..97aa581e2 100644 --- a/Eigen/Core +++ b/Eigen/Core @@ -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 |