# HG changeset patch # User Jaroslav Hajek # Date 1218445170 -7200 # Node ID fd13f9f7dbacea02095b654dcf83e48735739a2c # Parent 79890b8187bdb2f2d9e4174d8d94f5e03d39ec3c update macros from cryp.to auoconf archive diff --git a/ChangeLog b/ChangeLog --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2008-08-11 Jaroslav Hajek + + * acx_blas_f77_func.m4, acx_lapack.m4: Update macros from + . + 2008-08-07 John W. Eaton * aclocal.m4 (OCTAVE_STRING_NPOS): Delete. diff --git a/acx_blas_f77_func.m4 b/acx_blas_f77_func.m4 --- a/acx_blas_f77_func.m4 +++ b/acx_blas_f77_func.m4 @@ -1,4 +1,6 @@ -##### http://autoconf-archive.cryp.to/acx_blas_f77_func.html +# =========================================================================== +# http://autoconf-archive.cryp.to/acx_blas_f77_func.html +# =========================================================================== # # SYNOPSIS # @@ -8,55 +10,51 @@ # DESCRIPTION # # These macros are intended as a supplement to the ACX_BLAS macro, to -# verify that BLAS functions with non-REAL or INTEGER are properly -# callable from Fortran. This is necessary, for example, if you want -# to build the LAPACK library on top of the BLAS. +# verify that BLAS functions are properly callable from Fortran. This is +# necessary, for example, if you want to build the LAPACK library on top +# of the BLAS. # -# ACX_BLAS_F77_FUNC uses the defined BLAS_LIBS and Fortran -# environment to check for compatibility, and takes a specific action -# in case of success, resp. failure, resp. cross-compilation. +# ACX_BLAS_F77_FUNC uses the defined BLAS_LIBS and Fortran environment to +# check for compatibility, and takes a specific action in case of success, +# resp. failure, resp. cross-compilation. # -# ACX_BLAS_WITH_F77_FUNC is a drop-in replacement wrapper for -# ACX_BLAS that calls ACX_BLAS_F77_FUNC after detecting a BLAS -# library and rejects it on failure (i.e. pretends that no library -# was found). +# ACX_BLAS_WITH_F77_FUNC is a drop-in replacement wrapper for ACX_BLAS +# that calls ACX_BLAS_F77_FUNC after detecting a BLAS library and rejects +# it on failure (i.e. pretends that no library was found). # # LAST MODIFICATION # -# 2008-03-31 +# 2008-06-18 # # COPYLEFT # # Copyright (c) 2008 Jaroslav Hajek # -# This program is free software: you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation, either version 3 of the -# License, or (at your option) any later version. +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# General Public License for more details. +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. # -# You should have received a copy of the GNU General Public License -# along with this program. If not, see -# . +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . # -# As a special exception, the respective Autoconf Macro's copyright -# owner gives unlimited permission to copy, distribute and modify the -# configure scripts that are the output of Autoconf when processing -# the Macro. You need not follow the terms of the GNU General Public -# License when using or distributing such scripts, even though -# portions of the text of the Macro appear in them. The GNU General -# Public License (GPL) does govern all other use of the material that -# constitutes the Autoconf Macro. +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. # -# This special exception to the GPL applies to versions of the -# Autoconf Macro released by the Autoconf Macro Archive. When you -# make and distribute a modified version of the Autoconf Macro, you -# may extend this special exception to the GPL to apply to your -# modified version as well. +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Macro Archive. When you make and +# distribute a modified version of the Autoconf Macro, you may extend this +# special exception to the GPL to apply to your modified version as well. AC_DEFUN([ACX_BLAS_F77_FUNC], [ AC_PREREQ(2.50) @@ -83,13 +81,38 @@ ]]),[acx_blas_lsame_fcall_ok=yes], [acx_blas_lsame_fcall_ok=no]) AC_MSG_RESULT([$acx_blas_lsame_fcall_ok]) +# ISAMAX check (INTEGER return values) + AC_MSG_CHECKING([whether ISAMAX is called correctly from Fortran]) + AC_RUN_IFELSE(AC_LANG_PROGRAM(,[[ + integer isamax,i + external isamax + real a(2) + a(1) = 1e0 + a(2) = -2e0 + i = isamax(2,a,1) + if (i.ne.2) stop 1 + ]]),[acx_blas_isamax_fcall_ok=yes], + [acx_blas_isamax_fcall_ok=no]) + AC_MSG_RESULT([$acx_blas_isamax_fcall_ok]) +# SDOT check (REAL return values) + AC_MSG_CHECKING([whether DDOT is called correctly from Fortran]) + AC_RUN_IFELSE(AC_LANG_PROGRAM(,[[ + real sdot,a(1),b(1),w + external sdot + a(1) = 1e0 + b(1) = 2e0 + w = sdot(1,a,1,b,1) + if (w .ne. a(1)*b(1)) stop 1 + ]]),[acx_blas_sdot_fcall_ok=yes], + [acx_blas_sdot_fcall_ok=no]) + AC_MSG_RESULT([$acx_blas_sdot_fcall_ok]) # DDOT check (DOUBLE return values) AC_MSG_CHECKING([whether DDOT is called correctly from Fortran]) AC_RUN_IFELSE(AC_LANG_PROGRAM(,[[ double precision ddot,a(1),b(1),w external ddot - a(1) = 1e0 - b(1) = 2e0 + a(1) = 1d0 + b(1) = 2d0 w = ddot(1,a,1,b,1) if (w .ne. a(1)*b(1)) stop 1 ]]),[acx_blas_ddot_fcall_ok=yes], @@ -124,6 +147,7 @@ # if any of the tests failed, reject the BLAS library if test $acx_blas_lsame_fcall_ok = yes \ + -a $acx_blas_sdot_fcall_ok = yes \ -a $acx_blas_ddot_fcall_ok = yes \ -a $acx_blas_cdotu_fcall_ok = yes \ -a $acx_blas_zdotu_fcall_ok = yes ; then diff --git a/acx_lapack.m4 b/acx_lapack.m4 --- a/acx_lapack.m4 +++ b/acx_lapack.m4 @@ -1,41 +1,79 @@ -dnl @synopsis ACX_LAPACK([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) -dnl -dnl This macro looks for a library that implements the LAPACK -dnl linear-algebra interface (see http://www.netlib.org/lapack/). -dnl On success, it sets the LAPACK_LIBS output variable to -dnl hold the requisite library linkages. -dnl -dnl To link with LAPACK, you should link with: -dnl -dnl $LAPACK_LIBS $BLAS_LIBS $LIBS $FLIBS -dnl -dnl in that order. BLAS_LIBS is the output variable of the ACX_BLAS -dnl macro, called automatically. FLIBS is the output variable of the -dnl AC_F77_LIBRARY_LDFLAGS macro (called if necessary by ACX_BLAS), -dnl and is sometimes necessary in order to link with F77 libraries. -dnl Users will also need to use AC_F77_DUMMY_MAIN (see the autoconf -dnl manual), for the same reason. -dnl -dnl The user may also use --with-lapack= in order to use some -dnl specific LAPACK library . In order to link successfully, -dnl however, be aware that you will probably need to use the same -dnl Fortran compiler (which can be set via the F77 env. var.) as -dnl was used to compile the LAPACK and BLAS libraries. -dnl -dnl ACTION-IF-FOUND is a list of shell commands to run if a LAPACK -dnl library is found, and ACTION-IF-NOT-FOUND is a list of commands -dnl to run it if it is not found. If ACTION-IF-FOUND is not specified, -dnl the default action will define HAVE_LAPACK. -dnl -dnl @version $Id: acx_lapack.m4,v 1.3 2002/03/12 09:12:44 simons Exp $ -dnl @author Steven G. Johnson +# =========================================================================== +# http://autoconf-archive.cryp.to/acx_lapack.html +# =========================================================================== +# +# SYNOPSIS +# +# ACX_LAPACK([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) +# +# DESCRIPTION +# +# This macro looks for a library that implements the LAPACK linear-algebra +# interface (see http://www.netlib.org/lapack/). On success, it sets the +# LAPACK_LIBS output variable to hold the requisite library linkages. +# +# To link with LAPACK, you should link with: +# +# $LAPACK_LIBS $BLAS_LIBS $LIBS $FLIBS +# +# in that order. BLAS_LIBS is the output variable of the ACX_BLAS macro, +# called automatically. FLIBS is the output variable of the +# AC_F77_LIBRARY_LDFLAGS macro (called if necessary by ACX_BLAS), and is +# sometimes necessary in order to link with F77 libraries. Users will also +# need to use AC_F77_DUMMY_MAIN (see the autoconf manual), for the same +# reason. +# +# The user may also use --with-lapack= in order to use some specific +# LAPACK library . In order to link successfully, however, be aware +# that you will probably need to use the same Fortran compiler (which can +# be set via the F77 env. var.) as was used to compile the LAPACK and BLAS +# libraries. +# +# ACTION-IF-FOUND is a list of shell commands to run if a LAPACK library +# is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it +# is not found. If ACTION-IF-FOUND is not specified, the default action +# will define HAVE_LAPACK. +# +# LAST MODIFICATION +# +# 2008-06-29 +# +# COPYLEFT +# +# Copyright (c) 2008 Steven G. Johnson +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Macro Archive. When you make and +# distribute a modified version of the Autoconf Macro, you may extend this +# special exception to the GPL to apply to your modified version as well. AC_DEFUN([ACX_LAPACK], [ AC_REQUIRE([ACX_BLAS]) acx_lapack_ok=no AC_ARG_WITH(lapack, - [AS_HELP_STRING([--with-lapack=], [use LAPACK library ])]) + [AC_HELP_STRING([--with-lapack=], [use LAPACK library ])]) case $with_lapack in yes | "") ;; no) acx_lapack_ok=disable ;; @@ -44,26 +82,22 @@ esac # Get fortran linker name of LAPACK function to check for. -if $have_fortran_compiler; then - AC_F77_FUNC(cheev) -elif $have_f2c; then - cheev=cheev_ -fi +AC_F77_FUNC(cheev) # We cannot use LAPACK if BLAS is not found if test "x$acx_blas_ok" != xyes; then acx_lapack_ok=noblas + LAPACK_LIBS="" fi # First, check LAPACK_LIBS environment variable if test "x$LAPACK_LIBS" != x; then save_LIBS="$LIBS"; LIBS="$LAPACK_LIBS $BLAS_LIBS $LIBS $FLIBS" AC_MSG_CHECKING([for $cheev in $LAPACK_LIBS]) - AC_LINK_IFELSE([AC_LANG_CALL([], [$cheev])], - [acx_lapack_ok=yes], [LAPACK_LIBS=""]) + AC_TRY_LINK_FUNC($cheev, [acx_lapack_ok=yes], [LAPACK_LIBS=""]) AC_MSG_RESULT($acx_lapack_ok) LIBS="$save_LIBS" - if test acx_lapack_ok = no; then + if test $acx_lapack_ok = no; then LAPACK_LIBS="" fi fi