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Belos_Details_registerLinearSolverFactory.cpp
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41 
44 #include "Teuchos_ConfigDefs.hpp" // for __attribute__((weak)) check
45 
46 // FIXME (mfh 23 Aug 2015) Belos' main library is upstream from
47 // libraries where Belos' Epetra and Tpetra specializations live.
48 // That's why we need to use weak symbols here. Otherwise, link
49 // errors result. Fixing this requires the same run-time registration
50 // solution that Bug 6392 is all about.
51 
52 #if defined(HAVE_BELOS_EPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
53 namespace Belos {
54 namespace Details {
55 namespace Epetra {
56  extern void __attribute__((weak)) registerLinearSolverFactory ();
57 } // namespace Epetra
58 } // namespace Details
59 } // namespace Belos
60 #endif // defined(HAVE_BELOS_EPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
61 
62 #if defined(HAVE_BELOS_TPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
63 namespace Belos {
64 namespace Details {
65 namespace Tpetra {
66  extern void __attribute__((weak)) registerLinearSolverFactory ();
67 } // namespace Tpetra
68 } // namespace Details
69 } // namespace Belos
70 #endif // defined(HAVE_BELOS_TPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
71 
72 //
73 // FIXME (mfh 23 Aug 2015) We should add Thyra as well.
74 //
75 
76 namespace Belos {
77 namespace Details {
78 
79 void
81 {
82 #if defined(HAVE_BELOS_TPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
83  // It's a weak symbol, so it might be NULL.
86  }
87 #endif // defined(HAVE_BELOS_TPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
88 
89 #if defined(HAVE_BELOS_EPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
90  // It's a weak symbol, so it might be NULL.
93  }
94 #endif // defined(HAVE_BELOS_EPETRA) && defined(HAVE_TEUCHOS_CXX_ATTRIBUTE_WEAK)
95 }
96 
97 } // namespace Details
98 } // namespace Belos
99 
100 
Implementation of Trilinos::Details::LinearSolverFactory.
void registerLinearSolverFactory()
Register Belos' LinearSolverFactory with the central repository, for all enabled combinations of temp...
Declaration of Belos::Details::registerLinearSolverFactory.

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