[MacPorts] #34233: apple-gcc42 doesn't honor -isysroot correctly

[MacPorts]

#34233: apple-gcc42 doesn't honor -isysroot correctly
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 Reporter:  jeremyhu@…             |       Owner:  royliu@…           
     Type:  defect                 |      Status:  new                
 Priority:  Normal                 |   Milestone:                     
Component:  ports                  |     Version:  2.0.4              
 Keywords:                         |        Port:  apple-gcc42        
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Comment(by jeremyhu@…):

 Here's how I updated incpath.patch to work around the issue locally.  I'd
 rather have correct logic for setting 'p->add_sysroot' so we could also
 apply this patch to the gccXX ports.

 {{{
 --- gcc/c-incpath.c.orig        2012-04-27 11:33:12.000000000 -0700
 +++ gcc/c-incpath.c     2012-04-27 11:34:17.000000000 -0700
 @@ -164,7 +164,7 @@ add_standard_paths (const char *sysroot,
           char *str;

           /* Should this directory start with the sysroot?  */
 -         if (sysroot && p->add_sysroot)
 +         if (sysroot && p->add_sysroot && strstr(p->fname, "apple-gcc42")
 == NULL)
             str = concat (sysroot, p->fname, NULL);
           else
             str = update_path (p->fname, p->component);
 }}}

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Ticket URL: <https://trac.macports.org/ticket/34233#comment:7>
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