Here we go again. Some progress 
g++ -ftemplate-depth-30 -fPIC -c -o built/tmp/pipeline_composite.o -I"/Developer/SDKs/MacOSX10.6.sdk/System/Library/Frameworks/Python.framework/Headers" -I"built/tmp" -I"built/include" -Ipanda/src/pipeline -isysroot /Developer/SDKs/MacOSX10.6.sdk -arch x86_64 -O2 -DBUILDING_PANDA panda/src/pipeline/pipeline_composite.cxx
gcc -fPIC -c -o built/tmp/pipeline_contextSwitch.o -I"/Developer/SDKs/MacOSX10.6.sdk/System/Library/Frameworks/Python.framework/Headers" -I"built/tmp" -I"built/include" -Ipanda/src/pipeline -isysroot /Developer/SDKs/MacOSX10.6.sdk -arch x86_64 -O2 -DBUILDING_PANDA panda/src/pipeline/contextSwitch.c
panda/src/pipeline/contextSwitch.c: In function ‘setup_context_1’:
panda/src/pipeline/contextSwitch.c:261: error: ‘CS_JB_SP’ undeclared (first use in this function)
panda/src/pipeline/contextSwitch.c:261: error: (Each undeclared identifier is reported only once
panda/src/pipeline/contextSwitch.c:261: error: for each function it appears in.)
Storing dependency cache.
Elapsed Time: 2 min 45 sec
make: *** [all] Error 1