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| diff -Naur octave-4.4.1.orig/configure.ac octave-4.4.1/configure.ac
| --- octave-4.4.1.orig/configure.ac 2019-02-23 10:46:24.287240571 +0000
| +++ octave-4.4.1/configure.ac 2019-02-23 10:46:42.255249333 +0000
| @@ -762,6 +762,12 @@
| AC_MSG_ERROR([BLAS and LAPACK libraries are required])
| fi
|
| +if ac_fn_f77_try_run "$LINENO"; then :
| + ax_blas_integer_size=8
| +else
| + ax_blas_integer_size=4
| +fi
| +
| case $ax_blas_integer_size in
| 4)
| HAVE_64_BIT_BLAS=no
|
|