os-freebsd/3644: DSO support does not work

[Ryan Schutt <rs...@vt.edu>]

>Number:         3644
>Category:       os-freebsd
>Synopsis:       DSO support does not work
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    apache
>State:          open
>Class:          sw-bug
>Submitter-Id:   apache
>Arrival-Date:   Mon Jan 11 13:10:01 PST 1999
>Last-Modified:
>Originator:     rschutt@vt.edu
>Organization:
apache
>Release:        1.3.3
>Environment:
FreeBSD 3.0-RELEASE
gcc 2.7.2.1
>Description:
When trying to load a DSO using LoadModule, Apache complains.  For example,
when trying to load mod_env.so, apache complains about not being able to find 
_mod_env.so
>How-To-Repeat:
run ./configure --enable-module=most --enable-shared=max --enable-rule=SHARED_CORE
under FreeBSD 3.0
>Fix:
I fixed by modifying os/unix/os.h around the #define DLSYM_NEEDS_UNDERSCORE
The line should be

#if (defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)) && !defined(__ELF__)
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