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@@ -581,6 +581,7 @@ AC_DEFUN([STARPU_CHECK_CUDA],
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AC_MSG_WARN(['nvcc' not found, disabling CUDA])
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have_valid_cuda=no
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else
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+ # This is for very old cuda, to enable the use of double etc.
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AC_MSG_CHECKING(whether nvcc supports sm_13 architecture)
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OLD_NVCCFLAGS="$NVCCFLAGS"
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NVCCFLAGS="$NVCCFLAGS -arch sm_13"
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@@ -593,6 +594,21 @@ AC_DEFUN([STARPU_CHECK_CUDA],
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AC_MSG_RESULT(no)
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NVCCFLAGS="$OLD_NVCCFLAGS"
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fi
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+
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+ # This is for recent cuda, which complains if we don't actually set an arch!?
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+ AC_MSG_CHECKING(whether nvcc supports -Wno-deprecated-gpu-targets)
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+ OLD_NVCCFLAGS="$NVCCFLAGS"
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+ NVCCFLAGS="$NVCCFLAGS -Wno-deprecated-gpu-targets"
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+ echo "int main(int argc, char **argv) { return 0;}" > cuda_test.cu
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+ $NVCC $NVCCFLAGS -c cuda_test.cu >/dev/null 2>&1
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+ if test $? -eq 0
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+ then
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+ AC_MSG_RESULT(yes)
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+ else
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+ AC_MSG_RESULT(no)
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+ NVCCFLAGS="$OLD_NVCCFLAGS"
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+ fi
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+
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rm -f cuda_test*
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fi
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