# HG changeset patch
# User Markus Mützel <markus.muetzel@gmx.de>
# Date 1657467252 -7200
# Node ID 6308ce73bdca939c5aa4d43af84f84dfc7539fc8
# Parent  cbfe8318566a04c1014d529e653b43cd55a0f2ae
build: Allow setting BLAS integer size as configure argument (bug #62715).

* m4/octave-blas.m4: Allow setting BLAS integer size as configure argument when
cross compiling.

diff -r cbfe8318566a -r 6308ce73bdca m4/octave_blas.m4
--- a/m4/octave_blas.m4	Sat Jul 09 14:37:57 2022 -0700
+++ b/m4/octave_blas.m4	Sun Jul 10 17:34:12 2022 +0200
@@ -31,11 +31,16 @@
   AX_BLAS
 
   if test "$cross_compiling" = yes ; then
-    dnl Assume generic 4-byte BLAS library exists when cross compiling
+    dnl Assume BLAS library exists when cross compiling
     ax_blas_ok=yes
-    ax_cv_blas_integer_size=4
     AC_MSG_CHECKING([BLAS can be called from Fortran])
     AC_MSG_RESULT([yes assumed for cross compilation])
+    dnl Assume generic 4-byte BLAS library if not specified
+    AC_MSG_CHECKING([BLAS library integer size])
+    if test -z "$ax_cv_blas_integer_size" ; then
+      ax_cv_blas_integer_size=4
+    fi
+    AC_MSG_RESULT([$ax_cv_blas_integer_size assumed for cross compilation])
   elif test $ax_blas_ok = yes; then
     ac_octave_save_LIBS="$LIBS"
     LIBS="$BLAS_LIBS $LIBS"