On Thu, Jun 16, 2005 at 08:17:55PM -0500, Dirk Eddelbuettel wrote:
> On 16 June 2005 at 10:37, Ryan Lovett wrote:
> | I'll look into building R with debugging symbols to check on the
> | R_XLoadQueryFontSet function.
>
> Sounds good, and thanks for your help on it. I'll keep the report open til we
> get some resolution either way.
morgoth:/# file /usr/lib/R/bin/exec/R
/usr/lib/R/bin/exec/R: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV),
for GNU/Linux 2.6.0, dynamically linked (uses shared libs), not stripped
morgoth:/# file /usr/lib/R/lib/libR*
/usr/lib/R/lib/libRlapack.so: ELF 64-bit LSB shared object, AMD x86-64, version
1 (SYSV), not stripped
/usr/lib/R/lib/libR.so: ELF 64-bit LSB shared object, AMD x86-64, version
1 (SYSV), not stripped
morgoth:/var/tmp/r-base-2.1.0$ env R_HOME=/usr/lib/R
LD_LIBRARY_PATH=/usr/lib/R/lib R_SESSION_TMPDIR=/tmp/RtmpLER1pE gdb
/usr/lib/R/bin/exec/R
...
(gdb) break R_XLoadQueryFontSet
Function "R_XLoadQueryFontSet" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (R_XLoadQueryFontSet) pending.
(gdb) r
Starting program: /usr/lib/R/bin/exec/R
R : Copyright 2005, The R Foundation for Statistical Computing
Version 2.1.0 (2005-04-18), ISBN 3-900051-07-0
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
Natural language support but running in an English locale
R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for a HTML browser interface to help.
Type 'q()' to quit R.
p> plot(1:10)
Breakpoint 2 at 0x2a97b0eb23: file devX11.c, line 695.
Pending breakpoint "R_XLoadQueryFontSet" resolved
Breakpoint 2, R_XLoadQueryFontSet (display=0xb5d9f0,
fontset_name=0x7fbfff89b0 "-adobe-helvetica-medium-r-*-*-14-*-*-*-*-*-*-*")
at devX11.c:695
695 R_XFont *tmp = (R_XFont *) malloc(sizeof(R_XFont));
(gdb) l
690 */
691 #ifdef USE_FONTSET
692 static R_XFont *R_XLoadQueryFontSet(Display *display,
693 const char *fontset_name)
694 {
695 R_XFont *tmp = (R_XFont *) malloc(sizeof(R_XFont));
696 XFontSet fontset;
697 int /*i,*/ missing_charset_count;
698 char **missing_charset_list, *def_string;
699
(gdb) n
700 fontset = XCreateFontSet(display, fontset_name,
&missing_charset_list,
(gdb) print fontset
$1 = 0x518cc8
(gdb) n
702 if(!fontset) {
(gdb) print fontset
$2 = 0x0
(gdb) print fontset_name
$3 = 0x7fbfff89b0 "-adobe-helvetica-medium-r-*-*-14-*-*-*-*-*-*-*"
(gdb) n
703 free(tmp);
(gdb) n
704 return NULL;
(gdb) c
Continuing.
Breakpoint 2, R_XLoadQueryFontSet (display=0xb5d9f0,
fontset_name=0x2a97b1bb60 "-*-fixed-medium-r-*--13-*-*-*-*-*-*-*")
at devX11.c:695
695 R_XFont *tmp = (R_XFont *) malloc(sizeof(R_XFont));
(gdb) print fontset_name
$4 = 0x2a97b1bb60 "-*-fixed-medium-r-*--13-*-*-*-*-*-*-*"
(gdb) n
700 fontset = XCreateFontSet(display, fontset_name,
&missing_charset_list,
(gdb) n
702 if(!fontset) {
(gdb) print fontset
$5 = 0x0
(gdb) c
Continuing.
Error in X11() : could not find any X11 fonts
Check that the Font Path is correct.
>
--
I was able to run both of
$ xterm -fn "-adobe-helvetica-medium-r-*-*-14-*-*-*-*-*-*-*"
$ xterm -fn "-*-fixed-medium-r-*--13-*-*-*-*-*-*-*"
without trouble and the font was displayed correctly.
Ryan
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