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comparison configure.ac @ 14550:bc4c574ab3b6

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Add configure check for isnan in fortran. * libcruft/slatec-fn/erfc.in.f: Rename from erfc.f. * libcruft/slatec-fn/derfc.in.f: Rename from derfc.f. * libcruft/slatec-fn/module.mk (slatec-fn/derfc.f, slatec-fn/erfc.f): New targets and rules. * m4/acinclude.m4 (OCTAVE_CHECK_FORTRAN_HAVE_ISNAN): New macro. * configure.ac: Use it. Substitute F77_ISNAN_MACRO. * build-aux/common.mk (F77_ISNAN_MACRO): New variable.
author Carlo de Falco <cdf@users.sourceforge.net>
date Wed, 11 Apr 2012 15:40:01 -0400
parents e8bc9c02533a
children 26b2983a8acd
comparison
equal deleted inserted replaced
14549:ad542fdd8c8f 14550:bc4c574ab3b6
590 AC_SUBST(F77_APPEND_EXTRA_UNDERSCORE) 590 AC_SUBST(F77_APPEND_EXTRA_UNDERSCORE)
591 591
592 if test -z "$F77"; then 592 if test -z "$F77"; then
593 AC_MSG_ERROR([in order to build octave, you must have a compatible Fortran compiler or wrapper script for f2c that functions as a Fortran compiler installed and in your path. See the file INSTALL for more information.]) 593 AC_MSG_ERROR([in order to build octave, you must have a compatible Fortran compiler or wrapper script for f2c that functions as a Fortran compiler installed and in your path. See the file INSTALL for more information.])
594 fi 594 fi
595
596 OCTAVE_CHECK_FORTRAN_HAVE_ISNAN
597 F77_ISNAN_MACRO=
598 if test "x$octave_cv_fortran_have_isnan" = xno; then
599 AC_MSG_NOTICE([substituting ISNAN(X) with X.NE.X in fortran sources])
600 F77_ISNAN_MACRO="s|ISNAN(\(@<:@^)@:>@*\))|(\1.NE.\1)|"
601 fi
602 AC_SUBST(F77_ISNAN_MACRO)
595 603
596 OCTAVE_CHECK_FORTRAN_INTEGER_SIZE 604 OCTAVE_CHECK_FORTRAN_INTEGER_SIZE
597 if test "x$octave_cv_fortran_integer_size" = xno; then 605 if test "x$octave_cv_fortran_integer_size" = xno; then
598 if $USE_64_BIT_IDX_T; then 606 if $USE_64_BIT_IDX_T; then
599 case "$F77" in 607 case "$F77" in