gtk3 on Snow Leopard build failed

[Richard L. Hamilton]

...and things had gone so nicely on Snow Leopard for awhile now, until this:

:notice:build --->  Building gtk3
:debug:build Executing org.macports.build (gtk3)
:info:build --->  Building gtk3 for architecture x86_64
:debug:build setting option build.dir to /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_gnome_gtk3/gtk3/work/build-x86_64
:debug:build Environment: 
:debug:build CC_PRINT_OPTIONS='YES'
:debug:build CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_gnome_gtk3/gtk3/work/.CC_PRINT_OPTIONS'
:debug:build CPATH='/opt/local/include'
:debug:build CPLUS_INCLUDE_PATH='/opt/local/include/LegacySupport'
:debug:build C_INCLUDE_PATH='/opt/local/include/LegacySupport'
:debug:build DEVELOPER_DIR='/Developer'
:debug:build LIBRARY_PATH='/opt/local/lib'
:debug:build MACOSX_DEPLOYMENT_TARGET='10.6' 
:debug:build MACPORTS_LEGACY_SUPPORT_CPPFLAGS='-isystem/opt/local/include/LegacySupport'
:debug:build MACPORTS_LEGACY_SUPPORT_ENABLED='1' 
:debug:build MACPORTS_LEGACY_SUPPORT_LDFLAGS='-L/opt/local/lib -lMacportsLegacySupport'
:debug:build OBJCPLUS_INCLUDE_PATH='/opt/local/include/LegacySupport'
:debug:build OBJC_INCLUDE_PATH='/opt/local/include/LegacySupport'
:info:build Executing:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_gnome_gtk3/gtk3/work/build-x86_64" && /opt/local/bin/ninja -j4 CC='/opt/local/bin/clang-mp-8.0 -arch x86_64' CC_FOR_BUILD='/opt/local/bin/clang-mp-8.0 -arch x86_64' -v
:debug:build system:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_gnome_gtk3/gtk3/work/build-x86_64" && /opt/local/bin/ninja -j4 CC='/opt/local/bin/clang-mp-8.0 -arch x86_64' CC_FOR_BUILD='/opt/local/bin/clang-mp-8.0 -arch x86_64' -v
:info:build ninja: error: unknown target 'CC=/opt/local/bin/clang-mp-8.0 -arch x86_64'
:info:build Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_gnome_gtk3/gtk3/work/build-x86_64" && /opt/local/bin/ninja -j4 CC='/opt/local/bin/clang-mp-8.0 -arch x86_64' CC_FOR_BUILD='/opt/local/bin/clang-mp-8.0 -arch x86_64' -v
:info:build Exit code: 1
:error:build Failed to build gtk3: command execution failed
:debug:build Error code: NONE
:debug:build Backtrace: command execution failed
:debug:build     while executing 
:debug:build "$procedure $targetname"
:error:build See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_gnome_gtk3/gtk3/main.log for details.



Lest anyone wonder, /opt/local/bin/clang-mp-8.0 does exist.