blob: 6603295e03c6bb5427a971f7bc2def654d6d191d [file] [log] [blame]
From 75b973373ed2e9a7a30f62dfe330299306ecff75 Mon Sep 17 00:00:00 2001
From: Julien Olivain <ju.o@free.fr>
Date: Sat, 5 Mar 2022 12:36:09 +0100
Subject: [PATCH] Fix BLAS library integer size detection
When cross-compiling, octave ./configure script fails to detect the BLAS
library integer size and fails with the message:
configure: error: unrecognized BLAS library integer size
This patch fixes this detection.
Patch adapted from:
https://github.com/openembedded/meta-openembedded/commit/0ad153f721ef99de585c4452a997a7104f45d71d
Signed-off-by: Julien Olivain <ju.o@free.fr>
---
configure.ac | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/configure.ac b/configure.ac
index 4092e5915d..f4ea2c1987 100644
--- a/configure.ac
+++ b/configure.ac
@@ -757,6 +757,12 @@ if test $ax_blas_ok = no || test $ax_lapack_ok = no; then
AC_MSG_ERROR([BLAS and LAPACK libraries are required])
fi
+if ac_fn_f77_try_run "$LINENO"; then :
+ ax_cv_blas_integer_size=8
+else
+ ax_cv_blas_integer_size=4
+fi
+
case $ax_cv_blas_integer_size in
4)
HAVE_64_BIT_BLAS=no
--
2.39.2