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Re: under cygwin, zsh cannot run when built against ncurses9-5.7-13

On Tue, Mar 17, 2009 at 08:43:47PM +0000, Dave Korn wrote:
>Dave Korn wrote:
>>   Anyway, I found that removing "-lm -lc" from the options fixes the build
>> problem, and that it makes no difference what version of ld you use.  
>  Have looked at this a little further.
>  First off: the Cygwin C runtime library is basically the Cygwin DLL, and
>what we want in normal use is to link against the Cygwin DLL's import library,
>(which is /usr/lib/libcygwin.a).
>  The libraries /usr/lib/libm.a and /usr/lib/libc.a are helper libraries, used
>to bundle up objects as part of the winsup build.  They are passed to the
>final link that builds the Cygwin DLL.  They appear to be some kind of import
>library that has been processed by a perl script called speclib that does some
>kind of low-level binary munging on them to change symbol names:
>-libcygwin/d000078.o:     file format pe-i386
>+libc/d000078.o:     file format pe-i386
>-[  7](sec  0)(fl 0x00)(ty   0)(scl   2) (nx 0) 0x00000000 __head_cygwin1_dll
>+[  7](sec  0)(fl 0x00)(ty   0)(scl   2) (nx 0) 0x00000000 __head_libc
>  I don't know what it's all about yet, but as far as I can tell, they aren't
>suitable for use outside the actual build system itself and should probably
>not need to be installed.  It would probably be better if they were replaced
>by symlinks to libcygwin.a, as is done for libg.a.

Sheesh.  Do you honestly think I would have gone to the effort of
creating these libraries when a simple symlink would suffice?  Do you
really think I don't know about symlinks?


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