[MacPorts] #21444: boost with +python26 links against wrong python on Snow Leopard

[MacPorts]

#21444: boost with +python26 links against wrong python on Snow Leopard
---------------------------------+------------------------------------------
  Reporter:  stromnov@…          |       Owner:  nox@…           
      Type:  defect              |      Status:  closed          
  Priority:  Normal              |   Milestone:                  
 Component:  ports               |     Version:  1.8.0           
Resolution:  worksforme          |    Keywords:                  
      Port:  boost               |  
---------------------------------+------------------------------------------

Comment(by stromnov@…):

 Probably, problem goes from hardcoded ld paths (man ld):
 {{{
 Search paths
   ld maintains a list of directories to search for a library or framework
 to use.  The default library search path
   is /usr/lib then /usr/local/lib.  The -L option will add a new library
 search path.  The default framework
   search path is /Library/Frameworks then /System/Library/Frameworks.
 (Note: previously, /Network/Library/Frame-
   works was at the end of the default path.  If you need that
 functionality, you need to explicitly add -F/Net-
   work/Library/Frameworks).  The -F option will a new framework search
 path.  The -Z option will remove the stan-
   dard search paths.  The -syslibroot option will prepend a prefix to all
 search paths.
 }}}

 Let's check it:
 {{{
 stromnov at stromnov:~$ ls -la /usr/lib | grep python2.6
 lrwxr-xr-x    1 root  wheel        18 Oct  2 23:57 libpython.dylib ->
 libpython2.6.dylib
 lrwxr-xr-x    1 root  wheel        68 Oct  2 23:57 libpython2.6.dylib ->
 ../../System/Library/Frameworks/Python.framework/Versions/2.6/Python
 lrwxr-xr-x    1 root  wheel        75 Oct  2 23:58 python2.6 ->
 ../../System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 stromnov at stromnov:~$ gcc -F/opt/local/Library/Frameworks `python2.6-config
 --cflags` `python2.6-config --ldflags` test.c
 stromnov at stromnov:~$ otool -L a.out
 a.out:
         /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
 version 124.1.1)
         /System/Library/Frameworks/Python.framework/Versions/2.6/Python
 (compatibility version 2.6.0, current version 2.6.1)
 stromnov at stromnov:~$ sudo mv /usr/lib/libpython2.6.dylib
 /usr/lib/libpython2.6.dylib_sys
 stromnov at stromnov:~$ sudo ln -s /opt/local/lib/libpython2.6.dylib
 /usr/lib/libpython2.6.dylib
 stromnov at stromnov:~$ ls -la /usr/lib | grep python2.6
 lrwxr-xr-x    1 root  wheel        18 Oct  2 23:57 libpython.dylib ->
 libpython2.6.dylib
 lrwxr-xr-x    1 root  wheel        33 Oct  4 21:35 libpython2.6.dylib ->
 /opt/local/lib/libpython2.6.dylib
 lrwxr-xr-x    1 root  wheel        68 Oct  2 23:57 libpython2.6.dylib_sys
 -> ../../System/Library/Frameworks/Python.framework/Versions/2.6/Python
 lrwxr-xr-x    1 root  wheel        75 Oct  2 23:58 python2.6 ->
 ../../System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 stromnov at stromnov:~$ gcc -F/opt/local/Library/Frameworks `python2.6-config
 --cflags` `python2.6-config --ldflags` test.c
 stromnov at stromnov:~$ otool -L a.out
 a.out:
         /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
 version 124.1.1)
         /opt/local/Library/Frameworks/Python.framework/Versions/2.6/Python
 (compatibility version 2.6.0, current version 2.6.0)
 stromnov at stromnov:~$
 }}}

-- 
Ticket URL: <http://trac.macports.org/ticket/21444#comment:24>
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