libsdl_sound-framework port: SDL_sound was written by an unsupported Xcode version (34)

[borisx8@…]

On MacPorts 2.3.4, attempting to install port 'libsdl_sound-framework' on El Capitan 10.11.1 fails with the following error, with installed XCode Version 7.1.1 (7B1005)

Error: Project file 'SDL_sound' was written by an unsupported Xcode version (34)

Logfile output:

:debug:patch setting attributes on /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_audio_libsdl_sound-framework/libsdl_sound-framework/work/SDL_sound-1.0.3/PBProjects/SDL_sound.pbproj/project.pbxproj :debug:patch euid/egid changed to: 502/501 :debug:patch Privilege de-escalation not attempted as not running as root. :debug:configure configure phase started at Sun Nov 29 23:21:37 EST 2015 :notice:configure ---> Configuring libsdl_sound-framework :debug:configure Using compiler 'Xcode Clang' :debug:configure Executing org.macports.configure (libsdl_sound-framework) :debug:configure Privilege de-escalation not attempted as not running as root. :debug:build build phase started at Sun Nov 29 23:21:37 EST 2015 :notice:build ---> Building libsdl_sound-framework :debug:build Executing org.macports.build (libsdl_sound-framework) :debug:build Assembled command: 'cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_audio_libsdl_sound-framework/libsdl_sound-framework/work/SDL_sound-1.0.3" && /usr/bin/xcodebuild -project "PBProjects/SDL_sound.pbproj" -target "Framework" -configuration Deployment build OBJROOT=build/ SYMROOT=build/ MACOSX_DEPLOYMENT_TARGET=10.11 ARCHS=x86_64 SDKROOT="" GCC_VERSION=com.apple.compilers.llvm.clang.1_0 CLANG_CXX_LIBRARY="libc++" FRAMEWORK_SEARCH_PATHS=/opt/local/Library/Frameworks INSTALL_PATH=/opt/local/Library/Frameworks LIBRARY_SEARCH_PATHS=/opt/local/lib' :info:build Build settings from command line: :info:build ARCHS = x86_64 :info:build CLANG_CXX_LIBRARY = libc++ :info:build FRAMEWORK_SEARCH_PATHS = /opt/local/Library/Frameworks :info:build GCC_VERSION = com.apple.compilers.llvm.clang.1_0 :info:build INSTALL_PATH = /opt/local/Library/Frameworks :info:build LIBRARY_SEARCH_PATHS = /opt/local/lib :info:build MACOSX_DEPLOYMENT_TARGET = 10.11 :info:build OBJROOT = build/ :info:build SDKROOT = :info:build SYMROOT = build/ :info:build :info:build xcodebuild: error: Unable to read project 'SDL_sound.pbproj' from folder '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_audio_libsdl_sound-framework/libsdl_sound-framework/work/SDL_sound-1.0.3/PBProjects'. :info:build Reason: Project file 'SDL_sound' was written by an unsupported Xcode version (34) :info:build :info:build :info:build Command failed: cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_audio_libsdl_sound-framework/libsdl_sound-framework/work/SDL_sound-1.0.3" && /usr/bin/xcodebuild -project "PBProjects/SDL_sound.pbproj" -target "Framework" -configuration Deployment build OBJROOT=build/ SYMROOT=build/ MACOSX_DEPLOYMENT_TARGET=10.11 ARCHS=x86_64 SDKROOT="" GCC_VERSION=com.apple.compilers.llvm.clang.1_0 CLANG_CXX_LIBRARY="libc++" FRAMEWORK_SEARCH_PATHS=/opt/local/Library/Frameworks INSTALL_PATH=/opt/local/Library/Frameworks LIBRARY_SEARCH_PATHS=/opt/local/lib :info:build Exit code: 74 :error:build org.macports.build for port libsdl_sound-framework returned: command execution failed :debug:build Error code: NONE :debug:build Backtrace: command execution failed

while executing

"proc-org.macports.build-build-0 org.macports.build"

("eval" body line 1) invoked from within

"eval $procedure $targetname" :info:build Warning: targets not executed for libsdl_sound-framework: org.macports.activate org.macports.build org.macports.destroot org.macports.install :notice:build Please see the log file for port libsdl_sound-framework for details:

/opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_audio_libsdl_sound-framework/libsdl_sound-framework/main.log

(Other SDL Macport library installations are succeeding OK - just this one Library is failing with this error).