Dear developeRs,
I use Red Hat Enterprise Linux WS release 4 (Nahant Update 2) on an
x86_64 machine (two Intel P4 CPUs with 64 bit support), and
R-beta_2005-12-12_r36712.tar.gz.
If I run configure without any options, it does not list tcltk among
the supported interfaces:
./configure
[...]
R is now configured for x86_64-unknown-linux-gnu
Source directory: .
Installation directory: /usr/local
C compiler: gcc -g -O2
C++ compiler: g++ -g -O2
Fortran compiler: g77 -g -O2
Interfaces supported: X11
External libraries: readline, BLAS(generic)
Additional capabilities: PNG, JPEG, iconv, MBCS, NLS
Options enabled: R profiling
Recommended packages: yes
It seems to find tcl and tk, but not be able to compile/link them:
[...]
checking /usr/include/tcl.h usability... yes
checking /usr/include/tcl.h presence... yes
checking for /usr/include/tcl.h... yes
[...]
checking /usr/include/tk.h usability... yes
checking /usr/include/tk.h presence... yes
checking for /usr/include/tk.h... yes
checking whether compiling/linking Tcl/Tk code works... no
Looking in config.log, it seems that even though libX11 has been found
in /usr/X11R6/lib64, it is not searched for in that directory when
testing compiling/linking Tcl/Tk:
configure:35654: checking for X
configure:35892: result: libraries /usr/X11R6/lib64, headers /usr/X11R6/include
configure:36088: gcc -o conftest -g -O2 -I/usr/local/include
-L/usr/local/lib64 conftest.c -ldl -lm -L/usr/X11R6/lib64 -lX11 >&5
configure:36094: $? = 0
configure:36098: test -z
|| test ! -s conftest.err
configure:36101: $? = 0
configure:36104: test -s conftest
configure:36107: $? = 0
[...]
configure:38437: checking whether compiling/linking Tcl/Tk code works
configure:38480: gcc -o conftest -g -O2 -I/usr/local/include -I/usr/include
-I/usr/include -I/usr/X11R6/include -L/usr/local/lib64 conftest.c -ldl -lm
-L/usr/lib -ltcl8.4 -L/usr/lib -ltk8.4 -L/usr/X11R6/lib -lX11 >&5
/usr/bin/ld: skipping incompatible /usr/lib/libtcl8.4.so when searching for
-ltcl8.4
/usr/bin/ld: skipping incompatible /usr/lib/libtcl8.4.so when searching for
-ltcl8.4
/usr/bin/ld: skipping incompatible /usr/lib/libtk8.4.so when searching for
-ltk8.4
/usr/bin/ld: skipping incompatible /usr/lib/libtk8.4.so when searching for
-ltk8.4
/usr/bin/ld: cannot find -lX11
collect2: ld returned 1 exit status
configure:38486: $? = 1
Running ./configure LDFLAGS="-L/usr/local/lib64 -L/usr/X11R6/lib64"
solves/avoids the problem for me.
I thought I'd report the problem anyway, since I don't know if it is the
intended behaviour of configure.
--
Sincerely,
Bjørn-Helge Mevik
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