[MacPorts] #58677: legacy support issue while building cmake (Leopard)

[MacPorts]

#58677: legacy support issue while building cmake (Leopard)
-----------------------+---------------------------------
  Reporter:  rmottola  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  leopard i386 legacy
      Port:  cmake     |
-----------------------+---------------------------------
Changes (by jmroot):

 * cc: michaelld, kencu (added)
 * port:   => cmake


Old description:

> I am unable to build cmake on Leopard i386
> I tried clang 3.9 and 5.0, I get the same output:
>
> In file included from
> /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_cmake/cmake/work/cmake-3.14.5/Source/cmLinkedTree.h:8:
> In file included from /usr/include/assert.h:44:
> /opt/local/include/LegacySupport/stdlib.h:44:14: error: conflicting asm
> label
> extern char *realpath(const char * __restrict, char * __restrict)
>              ^
> /usr/include/stdlib.h:226:60: note: previous declaration is here
> char    *realpath(const char * __restrict, char * __restrict)
> __DARWIN_EXTSN(realpath);
>                                                               ^
> /usr/include/sys/cdefs.h:365:36: note: expanded from macro
> '__DARWIN_EXTSN'
> #define __DARWIN_EXTSN(sym)             __asm("_" __STRING(sym)
> __DARWIN_SUF_EXTSN)
>                                               ^
> 1 error generated.
> gmake: *** [Makefile:6: cmAddCustomTargetCommand.o] Error 1
> gmake: *** Waiting for unfinished jobs....
> 1 error generated.
> gmake: *** [Makefile:4: cmAddCustomCommandCommand.o] Error 1
>
> I suppose this is more LegacySupport issue than cmake, a redefiition of
> realpath

New description:

 I am unable to build cmake on Leopard i386
 I tried clang 3.9 and 5.0, I get the same output:
 {{{
 In file included from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_cmake/cmake/work/cmake-3.14.5/Source/cmLinkedTree.h:8:
 In file included from /usr/include/assert.h:44:
 /opt/local/include/LegacySupport/stdlib.h:44:14: error: conflicting asm
 label
 extern char *realpath(const char * __restrict, char * __restrict)
              ^
 /usr/include/stdlib.h:226:60: note: previous declaration is here
 char    *realpath(const char * __restrict, char * __restrict)
 __DARWIN_EXTSN(realpath);
                                                               ^
 /usr/include/sys/cdefs.h:365:36: note: expanded from macro
 '__DARWIN_EXTSN'
 #define __DARWIN_EXTSN(sym)             __asm("_" __STRING(sym)
 __DARWIN_SUF_EXTSN)
                                               ^
 1 error generated.
 gmake: *** [Makefile:6: cmAddCustomTargetCommand.o] Error 1
 gmake: *** Waiting for unfinished jobs....
 1 error generated.
 gmake: *** [Makefile:4: cmAddCustomCommandCommand.o] Error 1
 }}}
 I suppose this is more LegacySupport issue than cmake, a redefiition of
 realpath

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Ticket URL: <https://trac.macports.org/ticket/58677#comment:1>
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