Re: building 3.2.3 but not finding arpack

[Ben Abbott]

On Nov 19, 2009, at 5:07 PM, Ben Abbott wrote:

> On Thursday, November 19, 2009, at 04:52PM, "John W. Eaton" <address@hidden> 
> wrote:
>> On 19-Nov-2009, Ben Abbott wrote:
>> 
>> |  
>> | On Thursday, November 19, 2009, at 02:34PM, "John W. Eaton" 
>> <address@hidden> wrote:
>> | >On 19-Nov-2009, Ben Abbott wrote:
>> | >
>> | >| >Yours says checking for F77_FUNC(dseupd,DSEUPD), which seems odd since
>> | >| >the F77_FUNC macro is not used in the ARPACK test or the
>> | >| >OCTAVE_CHECK_LIBRARY macro from acinclude.m4
>> | >| >
>> | >| >I'm not sure why the lines in the configure script (19002 vs 28523).
>> | >| >What version of autoconf are you using?  I have 2.64.
>> | >| >
>> | >| >Have you run autogen.sh recently?
>> | >| >
>> | >| >jwe
>> | >| 
>> | >| I ran autogen.sh must prior to trying this build.
>> | >| 
>> | >| My autoconf is 2.63.
>> | >
>> | >Are you sure your configure script is up to date?  Does it have the
>> | >lines
>> | >
>> | >  save_LIBS="$LIBS"
>> | >  LIBS="$LAPACK_LIBS $BLAS_LIBS $FLIBS $LIBS"
>> | >  OCTAVE_CHECK_LIBRARY(arpack, ARPACK,
>> | >    [arpack not found.  The eigs function will be disabled.],
>> | >    [],
>> | >    [dseupd],
>> | >    [Fortran 77], [don't use the ARPACK library, disable eigs function])
>> | >  LIBS="$save_LIBS"
>> | >
>> | >or something else?  If so, where is the "F77_FUNC(dseupd,DSEUPD)"
>> | >coming from in the config.log message?  The reason I suspect an old
>> | >version of configure.ac is that it used to be
>> | >
>> | >  save_LIBS="$LIBS"
>> | >  LIBS="$LAPACK_LIBS $BLAS_LIBS $FLIBS $LIBS"
>> | >  OCTAVE_CHECK_LIBRARY(arpack, ARPACK,
>> | >    [arpack not found.  The eigs function will be disabled.],
>> | >    [],
>> | >    [F77_FUNC(dseupd,DSEUPD)],
>> | >    [], [don't use the ARPACK library, disable eigs function])
>> | >  LIBS="$save_LIBS"
>> | >
>> | >which would account for both the missing LAPACK and BLAS libs and the
>> | >"F77_FUNC(dseupd,DSEUPD)" name appearing in the checking message.
>> | >
>> | >If your configure.ac script really is up to date, then what are the
>> | >values of LAPACK_LIBS and BLAS_LIBS at this point in the configure
>> | >script?  If they are defined, I didn't see them in the config.log
>> | >output you posted.
>> | >
>> | >jwe
>> | 
>> | John, I think I there is some confusion.
>> | 
>> | I'm trying to build 3.2.3
>> | 
>> |     http://hg.tw-math.de/release-3-2-x/
>> | 
>> | There is no configure.ac file there.
>> | 
>> | As I'm having even bigger problems with ... 
>> | 
>> |     http://hg.savannah.gnu.org/hgweb/octave/
>> | 
>> | As I'm not sure if my trouble with the devevelopers sources are related to 
>> libtool, someother recent change to octave, or a change on my end (Mac OSX, 
>> Fink, etc), I thought I'd back up and try something that has always worked.
>> 
>> OK, sorry about the confusion.  In the 3.2.3 configure.in file, we had
>> 
>> AC_ARG_WITH(arpack,
>>   [AS_HELP_STRING([--without-arpack],
>>      [don't use ARPACK, disable some sparse functionality])],
>>   with_arpack=$withval, with_arpack=yes)
>> 
>> warn_arpack="arpack not found. This will result in a lack of the eigs 
>> function."
>> if test "$with_arpack" = yes; then
>>   with_arpack=no
>>   AC_CHECK_LIB(arpack, F77_FUNC(dseupd,DSEUPD), [ARPACK_LIBS="-larpack"; 
>> with_arpack=yes], , $LAPACK_LIBS $FLIBS)
>>   if test "$with_arpack" = yes; then
>>     AC_DEFINE(HAVE_ARPACK, 1, [Define if the ARPACK library is used.])
>>     warn_arpack=
>>   fi
>> fi
>> if test -n "$warn_arpack"; then
>>   AC_MSG_WARN($warn_arpack)
>> fi
>> 
>> but given that earlier in the script we have
>> 
>> ACX_LAPACK([BLAS_LIBS="$LAPACK_LIBS $BLAS_LIBS"], [LAPACK_DIR="lapack"])
>> 
>> I think the AC_CHECK_LIB macro should be using "$BLAS_LIBS" instead of
>> "$LAPACK_LIBS".
>> 
>> jwe
> 
> Replacing "$LAPACK_LIBS" with "$BLAS_LIBS" fixed the configure problem for me.
> 
> I'll try "make" and report back.
> 
> Ben

My make failed with ...

g++-4 -c -g -I/sw/include -I/sw/include/freetype2 -I/sw/lib/flex/include 
-I/sw/include -fPIC -I. -I.. -I../liboctave -I../src -I../libcruft/misc  
-DHAVE_CONFIG_H -mieee-fp -I/sw/include/freetype2 -I/sw/include -Wall -W 
-Wshadow -Wold-style-cast -Wformat -g -I /sw/include -O3 pr-output.cc -o 
pic/pr-output.o
pr-output.cc: In function ‘void set_format(const Complex&, int&, int&)’:
pr-output.cc:855: error: ‘xr_abs’ was not declared in this scope
make[2]: *** [pic/pr-output.o] Error 1
make[1]: *** [src] Error 2
make: *** [all] Error 2

I'm running gcc 4.4.2.

Ben