[Bug bootstrap/43715] New: configure option --enable-plugin fails on darwin

["howarth at nitro dot med dot uc dot edu" <gcc-bugzilla at gcc dot gnu dot org>]

Currently configure in gcc 4.5.0 doesn't understand darwin's method of loading
shared library modules when the --enable-plugin option is invoked and fails
as...

Links are now set up to build a native compiler for x86_64-apple-darwin10.3.0.
checking for exported symbols...
/sw/src/fink.build/gcc45-4.5.0-0rc1/gcc-4.5-20100408/gcc/configure: line 25167:
-T: command not found
checking for -rdynamic...
/sw/src/fink.build/gcc45-4.5.0-0rc1/gcc-4.5-20100408/gcc/configure: line 25173:
-T: command not found
checking for library containing dlopen... none required
checking for -fPIC -shared... no
configure: error: 
Building GCC with plugin support requires a host that supports
-fPIC, -shared, -ldl and -rdynamic.
make[2]: *** [configure-stage1-gcc] Error 1
make[1]: *** [stage1-bubble] Error 2
make: *** [all] Error 2

This is preventing the dragon-egg developers from testing their code on darwin.


-- 
           Summary: configure option --enable-plugin fails on darwin
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: howarth at nitro dot med dot uc dot edu
 GCC build triplet: *-*-darwin*
  GCC host triplet: *-*-darwin*
GCC target triplet: *-*-darwin*


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43715