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bug#11064: CRITICAL: libtool makes static linking impossible


From: Roumen Petrov
Subject: bug#11064: CRITICAL: libtool makes static linking impossible
Date: Mon, 02 Apr 2012 23:54:42 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120314 Firefox/11.0 SeaMonkey/2.8

Peter O'Gorman wrote:
[SNIP]
Ok, yes, that's annoying. This workaround just worked for me:

./configure CFLAGS='-static' LDFLAGS='-Xcompiler -static'
make
The case is not useful. It may work for some projects but is not generic.

I will show by example OpenSSH build . Note that OpenSSH does not use libtool

So lets try to build OpenSSH with :
1) .../configure CFLAGS='-static' LDFLAGS='-static'

Result is:
...
xxxx.c:(.text+0xNNNN): warning: Using '<NAME>' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking dso_dlfcn.c:(.text+0x5d4): warning: Using 'dlopen' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
...
... error ....cannot found -lgcc_s ....
....
, i.e. build fail


So next step:

2) .../configure CFLAGS='-static' LDFLAGS='-static  -shared-libgcc'
Result executable are build fine but regression tests crash with:
ssh-keygen: ../sysdeps/unix/sysv/linux/getpagesize.c:32: __getpagesize: Assertion `_rtld_global_ro._dl_pagesize != 0' failed.

3) .../configure CFLAGS='-static' LDFLAGS='-static  -static-libgcc'
same as 2)


[SNIP]
But my gcc does not error for the unrecognized option during configure, it's possible that newer gccs will. That binutils runs configure in subdirs during the build makes it even more annoying to work around. If your gcc errors out with the -Xcompiler flag, you'll have to make a wrapper script for the compiler (one that takes a flag that libtool doesn't remove from the link line). Ick.
[SNIP]

May be bug in my version of glibc prevent a ssh executable to run.

I'm not sure that this report is a bug neither feature request .

The current libtool behavior is fine with me.


Roumen






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