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comparison m4/octave_blas.m4 @ 31138:1d61c36bb34a

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build: Uspdate Copyright notices for acinclude.m4, octave_blas.m4. * acinclude.m4: Update copyright notice which was missing a word. * octave_blas.m4: Add copyright notice to new file. Also rename "save_octave_blas_f77_func_LIBS" variable to "ac_octave_save_LIBS".
author Rik <rik@octave.org>
date Sat, 09 Jul 2022 11:29:19 -0700
parents 4dc326899f65
children 6308ce73bdca
comparison
equal deleted inserted replaced
31137:0f4d16af143b 31138:1d61c36bb34a
1 dnl --------------------------------------------------------------------
1 dnl 2 dnl
2 dnl Check for BLAS libary and if valid determine integer size in library 3 dnl Copyright (C) 2022 The Octave Project Developers
4 dnl
5 dnl See the file COPYRIGHT.md in the top-level directory of this
6 dnl distribution or <https://octave.org/copyright/>.
7 dnl
8 dnl This file is part of Octave.
9 dnl
10 dnl Octave is free software: you can redistribute it and/or modify it
11 dnl under the terms of the GNU General Public License as published by
12 dnl the Free Software Foundation, either version 3 of the License, or
13 dnl (at your option) any later version.
14 dnl
15 dnl Octave is distributed in the hope that it will be useful, but
16 dnl WITHOUT ANY WARRANTY; without even the implied warranty of
17 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 dnl GNU General Public License for more details.
19 dnl
20 dnl You should have received a copy of the GNU General Public License
21 dnl along with Octave; see the file COPYING. If not, see
22 dnl <https://www.gnu.org/licenses/>.
23 dnl
24 dnl --------------------------------------------------------------------
25 dnl
26 dnl Check for BLAS library and, if valid, determine integer size of library
3 dnl 27 dnl
4 AC_DEFUN([OCTAVE_BLAS], [ 28 AC_DEFUN([OCTAVE_BLAS], [
5 AC_PREREQ(2.50) 29 AC_PREREQ(2.50)
6 dnl Call reference macro to find BLAS library 30 dnl Call reference macro to find BLAS library
7 AX_BLAS 31 AX_BLAS
10 dnl Assume generic 4-byte BLAS library exists when cross compiling 34 dnl Assume generic 4-byte BLAS library exists when cross compiling
11 ax_blas_ok=yes 35 ax_blas_ok=yes
12 ax_cv_blas_integer_size=4 36 ax_cv_blas_integer_size=4
13 AC_MSG_CHECKING([BLAS can be called from Fortran]) 37 AC_MSG_CHECKING([BLAS can be called from Fortran])
14 AC_MSG_RESULT([yes assumed for cross compilation]) 38 AC_MSG_RESULT([yes assumed for cross compilation])
15 elif test x"$ax_blas_ok" = xyes; then 39 elif test $ax_blas_ok = yes; then
16 save_octave_blas_f77_func_LIBS="$LIBS" 40 ac_octave_save_LIBS="$LIBS"
17 LIBS="$BLAS_LIBS $LIBS" 41 LIBS="$BLAS_LIBS $LIBS"
18 AC_LANG_PUSH(Fortran 77) 42 AC_LANG_PUSH(Fortran 77)
19 ## Check BLAS library integer size. 43 ## Check BLAS library integer size.
20 ## If it does not appear to be 8 bytes, we assume it is 4 bytes. 44 ## If it does not appear to be 8 bytes, we assume it is 4 bytes.
21 ## FIXME: this may fail with options like -ftrapping-math. 45 ## FIXME: this may fail with options like -ftrapping-math.
72 ax_cv_blas_integer_size=8, 96 ax_cv_blas_integer_size=8,
73 ax_cv_blas_integer_size=4) 97 ax_cv_blas_integer_size=4)
74 ]) 98 ])
75 99
76 AC_LANG_POP(Fortran 77) 100 AC_LANG_POP(Fortran 77)
77 LIBS="$save_octave_blas_f77_func_LIBS" 101 LIBS="$ac_octave_save_LIBS"
78 fi 102 fi
79 103
80 ]) 104 ])