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Subject: RE: mysql.so: Permission denied (Ruby under Cygwin)
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Date: Mon, 18 Jun 2007 15:43:18 +0200
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From: "Ronald Fischer" <ronald DOT fischer AT venyon DOT com>
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> > /usr/lib/ruby/gems/1.8/gems/mysql-2.7.3-mswin32/ext $ 
> cygcheck mysql.so
> > Error: could not find mysql.so
> 
> cygcheck is designed to check things on the PATH just as you would if
> you were invoking a command, so unless you have . in PATH it isn't
> expected to find anything in the PWD.

Hmmmm..... But I do have . in the PATH - at the very end:

$ echo $PATH
/cygdrive/h/bin:/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin:/cygdrive/c/
Tcl/bin:/cygdrive/c/Programme/Java/jdk1.5.0_11/bin:/cygdrive/h/winbin:/c
ygdrive/h/jruby-0.9.9/bin:/cygdrive/c/ruby185/bin:/cygdrive/c/Python24/:
/cygdrive/c/Perl/bin/:/cygdrive/c/WINDOWS/system32:/cygdrive/c/WINDOWS:/
cygdrive/c/WINDOWS/System32/Wbem:/cygdrive/c/Programme/Utimaco/SafeGuard
Easy/:/cygdrive/c/Programme/jEdit:/cygdrive/c/Programme/MySQL/MySQL
Server
5.0/bin:/cygdrive/c/WINDOWS/system32/WindowsPowerShell/v1.0:/cygdrive/c/
jakarta-jmeter-2.2/bin:.

> You're mixing native win32 stuff with Cygwin stuff.  You're trying to
> load the module into a running copy of a Cygwin ruby but this module
> imports symbols from the other copy of ruby in in C:\ruby185\.  This
> means it probably expects data structures of the native 
> build, and most
> likely will crash or act with very unpredictable behavior when used
> elsewhere.  In general this kind of cross-polination is never a good
> idea.
> 
> The *right* way to do it is to either stick to the win32 
> build (only) or
> to build all the components that you want to use as Cygwin modules.


I understand! Thank you for the explanation.

Ronald

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