05410ac950
Define the symbol to zero (false) if unavailable. This prevents a
diagnostic message concerning an undefined preprocessor symbol when used
in the form
#if HAVE_DUNE_ISTL
/* ... */
#endif
42 lines
1.2 KiB
Plaintext
42 lines
1.2 KiB
Plaintext
AC_DEFUN([OPM_DUNE_ISTL_PROGRAM_TEXT],
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[AC_LANG_PROGRAM(
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[[#include <dune/common/deprecated.hh>
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#include <dune/istl/bcrsmatrix.hh>
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#include <dune/common/fmatrix.hh>
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]],dnl
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[[typedef Dune::BCRSMatrix<Dune::FieldMatrix<double,1,1> > Matrix;
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Matrix matrix( 3, 3, Matrix::random );
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for (int i = 0; i < 3; ++i) matrix.setrowsize(i, 2);
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matrix.endrowsizes();
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]])[]dnl
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])
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AC_DEFUN([AX_DUNE_ISTL],
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[AC_REQUIRE([AX_DUNE_COMMON])
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AC_CACHE_CHECK(dnl
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[for installed dune-istl headers],dnl
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[ax_cv_dune_istl_available],dnl
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[AC_LANG_PUSH([C++])[]dnl
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AC_LINK_IFELSE([OPM_DUNE_ISTL_PROGRAM_TEXT],dnl
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[ax_cv_dune_istl_available=yes],dnl
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[ax_cv_dune_istl_available=no])
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AC_LANG_POP([C++])[]dnl
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])[]dnl
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AS_IF([test "x$ax_cv_dune_istl_available" = "xyes" -a \
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"x$ax_cv_dune_common_available" = "xyes"],dnl
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[AC_DEFINE([HAVE_DUNE_ISTL], [1],dnl
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[Define to 1 if `dune-istl' is available])
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],dnl
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[AC_DEFINE([HAVE_DUNE_ISTL], [0],dnl
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[Define to 0 if `dune-istl' is unavailable.])])[]dnl
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AM_CONDITIONAL([DUNE_ISTL],
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[test "x$ax_cv_dune_istl_available" = "xyes" -a \
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"x$ax_cv_dune_common_available" = "xyes"])
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])
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