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enforce weak linking of xerbla

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This commit is contained in:
Gael Guennebaud 2011-12-10 19:30:36 +01:00
parent 105e170d8b
commit f35708d2e0
1 changed files with 7 additions and 1 deletions
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8
blas/xerbla.cpp
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@ -1,12 +1,18 @@
#include <iostream> #include <iostream>
#if (defined __GNUC__)
#define EIGEN_WEAK_LINKING __attribute__ ((weak))
#else
#define EIGEN_WEAK_LINKING
#endif
#ifdef __cplusplus #ifdef __cplusplus
extern "C" extern "C"
{ {
#endif #endif
int xerbla_(const char * msg, int *info, int) EIGEN_WEAK_LINKING int xerbla_(const char * msg, int *info, int)
{ {
std::cerr << "Eigen BLAS ERROR #" << *info << ": " << msg << "\n"; std::cerr << "Eigen BLAS ERROR #" << *info << ": " << msg << "\n";
return 0; return 0;