On 11/16/2015 4:26 PM, John J Ottusch wrote:
I think this problem is related to the fact that I have both 32-bit and
64-bit versions of CYGWIN installed on my Windows 7 PC. They are on the
same disk but in different directories (/cygdrive/c/win32app/cygwin vs.
/cygdrive/c/win64app/cygwin).
So far I have observed the problem only when I try to run the version of
gnuplot that comes with the most recent 64-bit CYGWIN installation. I
believe gnuplot v4.x.x.x had been working in 64-bit CYGWIN before I
updated.
I always run gnuplot from an X11 or rxvt console window within the
CYGWIN environment. I'm using v4.4.4 with my 32 bit CYGWIN installation
without any problems.
I just updated my 64 bit CYGWIN installation in order to try out gnuplot
v5.x.x. I didn't load absolutely everything, but I did accept all
automatic dependencies. Installation went smoothly and all seems to work
fine except for gnuplot.
Observations:
1) When I type gnuplot into a 64-bit console window it returns
immediately to my prompt with no visible message instead of entering
interactive mode.
In this case my PATH is
/usr/local/bin:/usr/bin:/cygdrive/c/Windows/system32:/cygdrive/c/win32ap
p/cygwin/bin
2) However, doing the above with /cygdrive/c/win32app/cygwin/bin removed
from my PATH (or replaced by /cygdrive/c/win64app/cygwin/bin) produces
this error message:
C:/win64app/cygwin/bin/gnuplot.exe: error while loading shared
libraries: ?: cannot open shared object file: No such file or directory
So something in /cygdrive/c/win32app/cygwin/bin is making a difference.
Hard for me to tell from the error message which shared library it is
looking for.
The command 'cygcheck /usr/bin/gnuplot.exe' should give you that
information.
Ken
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