[MacPorts] #49177: clang-3.5 fails to build (Xcode 7.0.1, OS X El Capitan)

[MacPorts]

#49177: clang-3.5 fails to build (Xcode 7.0.1, OS X El Capitan)
----------------------------+--------------------------------
 Reporter:  carsten.sinz@…  |      Owner:  macports-tickets@…
     Type:  defect          |     Status:  new
 Priority:  Normal          |  Milestone:
Component:  ports           |    Version:  2.3.4
 Keywords:                  |       Port:  clang-3.5
----------------------------+--------------------------------
 Trying to build clang-3.5 with Xcode 7.0.1 (Build version 7A1001) on OS X
 El Capitan 10.11 (15A284) fails:

 $ sudo port install clang-3.5 \\
 --->  Computing dependencies for clang-3.5 \\
 ... \\
 --->  Building clang-3.5 \\
 Error: org.macports.build for port clang-3.5 returned: command execution
 failed \\
 Please see the log file for port clang-3.5 for details: \\
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_llvm-3.5/clang-3.5/main.log
 \\
 ...\\
 Error: Processing of port clang-3.5 failed \\

 This seems to be a linker problem related to libc++, as the log file
 repeatedly contains the lines:

 :info:build ld: library not found for -lc++ \\
 :info:build clang: error: linker command failed with exit code 1 (use -v
 to see invocation) \\

 BTW: Building clang-3.6 on the same system works without a problem.

-- 
Ticket URL: <https://trac.macports.org/ticket/49177>
MacPorts <https://www.macports.org/>
Ports system for OS X