41 lines
1.1 KiB
Diff
41 lines
1.1 KiB
Diff
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From e4dcfefac4215ee66c3dda5b067dd6d06066b0a2 Mon Sep 17 00:00:00 2001
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From: Julien Olivain <ju.o@free.fr>
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Date: Sat, 5 Mar 2022 12:36:09 +0100
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Subject: [PATCH] Fix BLAS library integer size detection
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When cross-compiling, octave ./configure script fails to detect the BLAS
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library integer size and fails with the message:
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configure: error: unrecognized BLAS library integer size
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This patch fixes this detection.
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Patch adapted from:
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https://github.com/openembedded/meta-openembedded/commit/0ad153f721ef99de585c4452a997a7104f45d71d
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Signed-off-by: Julien Olivain <ju.o@free.fr>
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---
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configure.ac | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/configure.ac b/configure.ac
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index de7a00a330..383ce27b06 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -781,6 +781,12 @@ if test $ax_blas_ok = no || test $ax_lapack_ok = no; then
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AC_MSG_ERROR([BLAS and LAPACK libraries are required])
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fi
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+if ac_fn_f77_try_run "$LINENO"; then :
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+ ax_blas_integer_size=8
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+else
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+ ax_blas_integer_size=4
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+fi
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+
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case $ax_blas_integer_size in
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4)
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HAVE_64_BIT_BLAS=no
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--
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2.36.0
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