[Rd] Missing -lm for tcltk (R 1.1.0, AIX 4.3) (PR#573)

[Thomas J Vogels]

Prof Brian Ripley <ripley@stats.ox.ac.uk> writes:

> > From: tov@phoenix.ece.cmu.edu

> >   ok, AIX 4.3 insists on being different.  I can't compile --with-tcltk
> >   out of the box.  I have to add '-lm' to the SHLIBLDFLAGS manually
> >   after configure.
> 
> Yes, I guess that's because it insists on resolving libm at the shared
> libs build stage.

And the symbols from libm don't make it into R.exp.

> >   Which brings up the question:  Can you use TK_LIBS instead of TK_XLIBSW
> >   during configure? Excerpt from tkConfig.sh on my machine:
> > 
> > # Linker switch(es) to use to link with the X11 library archive.
> > TK_XLIBSW='-lX11' 
> > 
> > # Additional libraries to use when linking Tk.
> > TK_LIBS='-lX11 -lld  -lm' 
> > 
> >   The '-lld' wouldn't hurt, would it?
> >   Maybe the following would work for configure?
> > 
> > case "${host}" in
> >   *aix*)
> >     LIBS="-ltk${TK_VERSION} ${TCLTK_LIBS} ${TK_LIBS}  $LIBS"
> >     ;;      
> >   *)
> >     LIBS="-ltk${TK_VERSION} ${TCLTK_LIBS} ${TK_XLIBSW}  $LIBS"
> >     ;;      
> > esac      
> 
> It's not done like that. Take a look in aclocal.m4.  I suspect that
> ${TK_LIBS} would do everywhere, but will need to do some testing.

Ok, aclocal.m4 was obviously new to me.  Below is the patch.  It
works for me...  

With this patch and "SHLIBLD=CC ./configure" I can compile, install,
check R 1.1.

Regards,
  -tom


*** aclocal.m4  Mon Jun 19 11:39:56 2000
--- aclocal.m4.orig     Mon Jun 19 11:34:21 2000
***************
*** 840,847 ****
            if test -n "${TK_CONFIG}"; then
              . ${TK_CONFIG}    # get TK_VERSION
              AC_CHECK_LIB(tk${TK_VERSION}, Tk_Init,
!               [ TCLTK_LIBS="${TCLTK_LIBS} -ltk${TK_VERSION}  ${TK_LIBS}"
!                 have_tcltk=yes ], , [${TCLTK_LIBS} ${TK_LIBS}] )
            fi
          fi
        fi
--- 840,847 ----
            if test -n "${TK_CONFIG}"; then
              . ${TK_CONFIG}    # get TK_VERSION
              AC_CHECK_LIB(tk${TK_VERSION}, Tk_Init,
!               [ TCLTK_LIBS="${TCLTK_LIBS} -ltk${TK_VERSION}  ${TK_XLIBSW}"
!                 have_tcltk=yes ], , [${TCLTK_LIBS} ${TK_XLIBSW}] )
            fi
          fi
        fi

-- 
mailto:tov@ece.cmu.edu (Tom Vogels)   Tel: (412) 268-6638   FAX: -3204
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