[Rd] configure script fails on comment in tkConfig.sh (PR#1500)

[kleiweg@let.rug.nl]

The configure script failed on tk on several platforms. One is
given below. This did not happen on versions of R older than 1.5.0.

Message from configure:

configure: WARNING: /opt_local/opt/tk-8.0/include/tk.h: accepted by the compiler, rejected by the preprocessor!
configure: WARNING: /opt_local/opt/tk-8.0/include/tk.h: proceeding with the preprocessor's result

This was in config.log, the command on a single line:

configure:21361: cc -E -I/opt_local/opt/readline/include
  -I/opt_local/opt/tk/include -I/opt_local/opt/tcl/include
  -I/opt_local/opt/jpeg6/inclu de -I/opt_local/opt/png/include
  -I/opt_local/opt/ncurses/include -I/opt_local/opt/zlib/include
  -I/opt_local/opt/R/include # no special path needed
  -I/opt_local/opt/tcl-8.0/include conftest.c
cc: warning 485: Can't open "#".
cc: warning 485: Can't open "no".
cc: warning 485: Can't open "special".
cc: warning 485: Can't open "path".
cc: warning 485: Can't open "needed".

I had to edit tkConfig.sh to solve this problem. This line:

TK_XINCLUDES='# no special path needed'

changed to this:

TK_XINCLUDES=


After this fix, R was configured for tcl/tk, and the package
tcltk seems to work OK (at least on this platform).



# Tk's version number.
TK_VERSION='8.3'
TK_MAJOR_VERSION='8'
TK_MINOR_VERSION='3'
TK_PATCH_LEVEL='.3'

Version:
 platform = i686-pc-linux-gnu
 arch = i686
 os = linux-gnu
 system = i686, linux-gnu
 status =
 major = 1
 minor = 5.0
 year = 2002
 month = 04
 day = 29
 language = R

Search Path:
 .GlobalEnv, package:tcltk, package:ctest, Autoloads, package:base



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