Issue 88 in xar: xar is linking to libxar.so.1 in the current directory (Cygwin/Windows 7)

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Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 88 by sophie-g...@theblob.org: xar is linking to libxar.so.1 in
the current directory (Cygwin/Windows 7)
https://code.google.com/p/xar/issues/detail?id=88

I was building xar 1.5.2 on Cygwin/Windows 7, but when I run it I normally
get this output:

> Sophie@Sophie-Laptop:~/xar/xar-1.5.2$ xar
> /usr/local/bin/xar.exe: error while loading shared libraries:
> libxar.so.1: cannot open shared object file: No such file or directory

It seems that it's looking for the file in the current directory, because
if I cd to the lib/ folder (or /usr/local/lib), it works fine:

> Sophie@Sophie-Laptop:~/xar/xar-1.5.2/lib$ xar
> Usage: xar -[ctx][v] -f <archive> ...
[snipped large argument list]

Using ldd on the compiled executable when in lib/ shows that this is the
case:

Sophie@Sophie-Laptop:~/xar/xar-1.5.2/lib$ ldd /usr/local/bin/xar
> ntdll.dll => /cygdrive/c/Windows/SysWOW64/ntdll.dll (0x774e0000)
> snxhk.dll => /cygdrive/c/Program Files/AVAST
> Software/Avast/snxhk.dll (0x72310000)
> KERNEL32.dll => /cygdrive/c/Windows/syswow64/KERNEL32.dll
> (0x750a0000)
> KERNELBASE.dll => /cygdrive/c/Windows/syswow64/KERNELBASE.dll
> (0x75420000)
> cygwin1.dll => /usr/bin/cygwin1.dll (0x61000000)
> libxar.so.1 => /home/Sophie/xar/xar-1.5.2/lib/libxar.so.1
> (0x702c0000)
> cygbz2-1.dll => /usr/bin/cygbz2-1.dll (0x6a2e0000)
> cyggcc_s-1.dll => /usr/bin/cyggcc_s-1.dll (0x6c140000)
> cygcrypto-1.0.0.dll => /usr/bin/cygcrypto-1.0.0.dll (0x69c40000)
> cygz.dll => /usr/bin/cygz.dll (0x694c0000)
> cygxml2-2.dll => /usr/bin/cygxml2-2.dll (0x63420000)
> cygiconv-2.dll => /usr/bin/cygiconv-2.dll (0x66fd0000)

The program itself seems to work fine if used within lib/ or in another
directory where libxar.so.1 is available:

> Sophie@Sophie-Laptop:~/xar/xar-1.5.2/lib$ xar -c -f xarlib.xar *
> Sophie@Sophie-Laptop:~/xar/xar-1.5.2/lib$ ls -l xarlib.xar
> -rw-r--r-- 1 Sophie None 600335 Dec 6 16:37 xarlib.xar
> Sophie@Sophie-Laptop:~/xar/xar-1.5.2/lib$ xar -t -f xarlib.xar
> appledouble.h
> archive.c
> archive.d
> archive.h
> archive.o
[snipped rest of output]

I have confirmed that it correctly extracts existing .xar files, too.

It seems that the only issue is that it incorrectly links to libxar.so.1 in
the current directory rather than the one it installed in /usr/local/lib/ .
Since I don't see any other issues about this problem, I assume it's a
Cygwin-specific issue, though I haven't had the problem with any other
compiled programs. If there's anything I can do to help debug, let me know!


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