[CMake] CMake 2.4.2 Cygwin shouldn't have -ldl

[William A. Hoffman]

At 02:48 AM 6/1/2006, Brandon J. Van Every wrote:
>I built a CMake 2.4.2 for Cygwin from sources.  I used the "Unix linefeed" download, cmake-2.4.2.tar.gz.  I used an earlier Cygwin CMake package to build it.  Now I am using this Cygwin CCMake 2.4.2 to generate my Chicken build.  When it comes time to link a .dll, it fails with:
>
>Linking C shared library libchicken.dll
>/usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../../i686-pc-cygwin/bin/ld: cannot find
>-ldl
>collect2: ld returned 1 exit status
>make[2]: *** [libchicken.dll] Error 1
>make[1]: *** [CMakeFiles/libchicken.dir/all] Error 2
>make: *** [all] Error 2
>
>I Googled and found a post on cygwin.org that says this is a Linuxism.  
>Cygwin is not supposed to have any -ldl.  In fact, neither are some other Unixes, like FreeBSD for instance.  The following 2 posts clarify the issue:
>http://www.cygwin.com/ml/cygwin/2003-07/msg00731.html
>http://www.cygwin.com/ml/cygwin/2003-07/msg00732.html
>
>Is there a way I can build CMake 2.4.2 on Cygwin to get correct behavior, like some kind of self-recompile, or is it a deeper bug than that?  In any event, I think having a correct 2.4.2 package in the Cygwin distro is adviseable.

I was waiting to finish the cpack cygwin installer, but it is going slower than I thought it would.
So, I will do 2.4.2 for cygwin using our old process.  It should be up today.   Did you try
bootstrapping cmake, and not building it with an older version of cmake?

-Bill