diff --git a/buildbot/osuosl/master/config/builders.py b/buildbot/osuosl/master/config/builders.py
--- a/buildbot/osuosl/master/config/builders.py
+++ b/buildbot/osuosl/master/config/builders.py
@@ -1309,8 +1309,13 @@
                         'CMAKE_BUILD_TYPE': 'Release',
                         'CMAKE_C_COMPILER': 'gcc',
                         'CMAKE_CXX_COMPILER': 'g++',
-                        'CMAKE_AR': '/usr/bin/ar'},
-                    build_standalone=True)},
+                        'CMAKE_AR': '/usr/bin/ar',
+                        'LIBCXX_CXX_ABI': 'libstdc++',
+                        'LIBCXX_CXX_ABI_INCLUDE_PATHS': '/opt/freeware/lib/gcc/powerpc-ibm-aix7.2.0.0/8/include/c++;/opt/freeware/lib/gcc/powerpc-ibm-aix7.2.0.0/8/include/c++/powerpc-ibm-aix7.2.0.0',
+                        'CMAKE_THREAD_LIBS_INIT': '-lpthread',
+                        'LIBCXX_ENABLE_STATIC:BOOL': 'OFF',
+                        'LIBCXX_ENABLE_ABI_LINKER_SCRIPT': 'OFF'},
+                    depends_on_projects=['libcxx'])},
 
     {'name': "fuchsia-x86_64-linux",
     'tags'  : ["toolchain"],