tk @8.6.6_0+quartz.darwin_10.x86_64 fails to compile/upgrade

[macportsraf]

port upgrade outdated resulted in this compile error for tk:

:info:build /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix/../macosx/tkMacOSXXStubs.c: In function ‘XGetImage’:
:info:build /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix/../macosx/tkMacOSXXStubs.c:901: warning: ‘NSWindow’ may not respond to ‘-backingScaleFactor’
:info:build /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix/../macosx/tkMacOSXXStubs.c:901: warning: (Messages without a matching method signature
:info:build /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix/../macosx/tkMacOSXXStubs.c:901: warning: will be assumed to return ‘id’ and accept
:info:build /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix/../macosx/tkMacOSXXStubs.c:901: warning: ‘...’ as arguments.)
:info:build /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix/../macosx/tkMacOSXXStubs.c:901: error: invalid operands to binary == (have ‘id’ and ‘double’)
:info:build /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix/../macosx/tkMacOSXXStubs.c:893: warning: unused variable ‘macDraw’
:info:build /usr/bin/gcc-4.2 -c -Os -Os -arch x86_64 -pipe  -arch x86_64 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tcl8.6.6/generic  -Wall -fno-common -DBUILD_tk -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix/../unix -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix/../generic -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix/../bitmaps -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tcl8.6.6//generic -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tcl8.6.6//unix -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix/../macosx -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix/../xlib -DPACKAGE_NAME=\"tk\" -DPACKAGE_TARNAME=\"tk\" -DPACKAGE_VERSION=\"8.6\" -DPACKAGE_STRING=\"tk\ 8.6\" -DPACKAGE_BUGREPORT=\"\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DUSE_THREAD_ALLOC=1 -D_REENTRANT=1 -D_THREAD_SAFE=1 -DHAVE_PTHREAD_ATTR_SETSTACKSIZE=1 -DHAVE_PTHREAD_ATFORK=1 -DTCL_THREADS=1 -DMODULE_SCOPE=extern\ __attribute__\(\(__visibility__\(\"hidden\"\)\)\) -DHAVE_HIDDEN=1 -DMAC_OSX_TCL=1 -DHAVE_COREFOUNDATION=1 -DTCL_CFG_DO64BIT=1 -DHAVE_CAST_TO_UNION=1 -DTCL_SHLIB_EXT=\".dylib\" -DNDEBUG=1 -DTCL_CFG_OPTIMIZED=1 -DTCL_WIDE_INT_TYPE=long\ long -DHAVE_STRUCT_STAT64=1 -DHAVE_SYS_TIME_H=1 -DTIME_WITH_SYS_TIME=1 -DHAVE_INTPTR_T=1 -DHAVE_UINTPTR_T=1 -DHAVE_PW_GECOS=1 -DHAVE_AVAILABILITYMACROS_H=1 -DHAVE_WEAK_IMPORT=1 -D_DARWIN_C_SOURCE=1 -DMAC_OSX_TK=1      -DTCL_NO_DEPRECATED -std=gnu99 -x objective-c -DUSE_TCL_STUBS /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix/../unix/tkUnixScale.c
:info:build make: *** [tkMacOSXXStubs.o] Error 1
:info:build make: *** Waiting for unfinished jobs....
:info:build make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix'
:info:build Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_tk/tk/work/tk8.6.6/unix" && /usr/bin/make -j4 -w all 
:info:build Exit code: 2
:error:build org.macports.build for port tk returned: command execution failed
:debug:build Error code: CHILDSTATUS 21977 2
:debug:build Backtrace: command execution failed
    while executing
"system -nice 0 $fullcmdstring"
    ("eval" body line 1)
    invoked from within
"eval system $notty $nice \$fullcmdstring"
    invoked from within
"command_exec build"
    (procedure "portbuild::build_main" line 8)
    invoked from within
"portbuild::build_main org.macports.build"
    ("eval" body line 1)
    invoked from within
"eval $procedure $targetname"

[larryv (Lawrence Velázquez)]

See #52090.