On Fri, 29 Mar 2002, Olivier Chapuis wrote:
> - if shared is enabled (and the system support shared lib) fvwm
> will build and install a sharable library libfvwm.so-version and
> fvwm2 and the modules will be dynamically linked to this library.
> Of course the system must be able to perform the dynamic link
> (e.g., for Linux either updating /etc/ld.so.conf and run ldconfig
> or adding the directory "lib" directory in LD_LIBRARY_PATH after
> the install).
ELF allows to embed this directory into the binary, so there's no
need to touch either ld.so.conf or LD_LIBRARY_PATH [1]. This is achieved
with "-rpath" option to the linker. According to Linux's ld(1), Solaris
also supports this feature, and SunOS additionaly requires "-rpath-link".
I've checked DEC OSF1 4.0 and IRIX 6.5, and both of them do support
"-rpath". In OpenBSD this switch is called "-R", but at least in 2.7
"-rpath" is also accepted for compatibility with GNU ld.
[1] Both of these decisions are not so handy: ld.so.conf is only
root-writable, so that user wouldn't be able to install a custom
shared copy of fvwm; LD_LIBRARY_PATH should be set (in fact, added to)
in the user's login file, name of which isn't known (.profile |
.bash_profile | .zshenv | .tcshrc | .whatever ...).
_________________________________________
Dmitry Yu. Bolkhovityanov
The Budker Institute of Nuclear Physics
Novosibirsk, Russia
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