There are errors specific to Fedora PPC64/BE vs Ubuntu PPC64/LE, and vice-versa.

Errors specific to Fedora PPC64/BE (none of these errors appears in Ubuntu AMD64):
*  1 libs/locale/test/test_boundary.test/gcc-4.8.2/debug/test_boundary.output
*  1 libs/spirit/test/karma_binary1-p3.test/gcc-4.8.2/debug/phoenix_v3-on/karma_binary1-p3.output
*  1 libs/spirit/test/karma_binary2-p3.test/gcc-4.8.2/debug/phoenix_v3-on/karma_binary2-p3.output
*  1 libs/spirit/test/karma_binary3-p3.test/gcc-4.8.2/debug/phoenix_v3-on/karma_binary3-p3.output
*  1 libs/spirit/test/qi_binary-p3.test/gcc-4.8.2/debug/phoenix_v3-on/qi_binary-p3.output
*201 libs/math/test/complex_test.test/gcc-4.8.2/debug/link-static/complex_test.output
*201 libs/math/test/octonion_test.test/gcc-4.8.2/debug/link-static/octonion_test.output
*201 libs/math/test/test_long_double_support.test/gcc-4.8.2/debug/link-static/test_long_double_support.output

Errors specific to Ubuntu PPC64/LE  (none of these errors appears in Ubuntu AMD64):
*  1   libs/multiprecision/test/test_arithmetic_ab_1.test/gcc-4.8/debug/test_arithmetic_ab_1.output
*  1   libs/multiprecision/test/test_arithmetic_backend_concept.test/gcc-4.8/debug/test_arithmetic_backend_concept.output
*  1   libs/multiprecision/test/test_arithmetic_cpp_dec_float_2.test/gcc-4.8/debug/test_arithmetic_cpp_dec_float_2.output
*  1   libs/multiprecision/test/test_arithmetic_cpp_dec_float_3.test/gcc-4.8/debug/test_arithmetic_cpp_dec_float_3.output
*  1   libs/multiprecision/test/test_arithmetic_cpp_int_10.test/gcc-4.8/debug/test_arithmetic_cpp_int_10.output
*  1   libs/multiprecision/test/test_arithmetic_cpp_int_11.test/gcc-4.8/debug/test_arithmetic_cpp_int_11.output
*  1   libs/multiprecision/test/test_arithmetic_cpp_int_12.test/gcc-4.8/debug/test_arithmetic_cpp_int_12.output
*  1   libs/multiprecision/test/test_arithmetic_cpp_int_13.test/gcc-4.8/debug/test_arithmetic_cpp_int_13.output
*  1   libs/multiprecision/test/test_arithmetic_cpp_int_16.test/gcc-4.8/debug/test_arithmetic_cpp_int_16.output
*  1   libs/multiprecision/test/test_arithmetic_cpp_int_1.test/gcc-4.8/debug/test_arithmetic_cpp_int_1.output
*  1   libs/multiprecision/test/test_arithmetic_cpp_int_2.test/gcc-4.8/debug/test_arithmetic_cpp_int_2.output
*  1   libs/multiprecision/test/test_arithmetic_cpp_int_4.test/gcc-4.8/debug/test_arithmetic_cpp_int_4.output
*  1   libs/multiprecision/test/test_arithmetic_cpp_int_5.test/gcc-4.8/debug/test_arithmetic_cpp_int_5.output
*  1   libs/multiprecision/test/test_arithmetic_cpp_int_7.test/gcc-4.8/debug/test_arithmetic_cpp_int_7.output
*  1   libs/multiprecision/test/test_arithmetic_cpp_int_8.test/gcc-4.8/debug/test_arithmetic_cpp_int_8.output
*  1   libs/multiprecision/test/test_arithmetic_cpp_int_9.test/gcc-4.8/debug/test_arithmetic_cpp_int_9.output
*  1   libs/multiprecision/test/test_arithmetic_dbg_adptr2.test/gcc-4.8/debug/test_arithmetic_dbg_adptr2.output
*  1   libs/multiprecision/test/test_arithmetic_logged_2.test/gcc-4.8/debug/test_arithmetic_logged_2.output
*139   libs/locale/test/test_boundary.test/gcc-4.8/debug/test_boundary.output
*201   libs/conversion/test/lexical_cast_inf_nan_test.test/gcc-4.8/debug/link-static/lexical_cast_inf_nan_test.output
*201   libs/geometry/test/algorithms/area.test/gcc-4.8/debug/area.output
*201   libs/geometry/test/algorithms/centroid.test/gcc-4.8/debug/centroid.output
*201   libs/geometry/test/algorithms/difference.test/gcc-4.8/debug/difference.output
*201   libs/geometry/test/algorithms/expand.test/gcc-4.8/debug/expand.output
*201   libs/geometry/test/algorithms/intersection.test/gcc-4.8/debug/intersection.output
*201   libs/geometry/test/algorithms/overlay/ccw_traverse.test/gcc-4.8/debug/ccw_traverse.output
*201   libs/geometry/test/algorithms/overlay/get_turns.test/gcc-4.8/debug/get_turns.output
*201   libs/geometry/test/algorithms/overlay/self_intersection_points.test/gcc-4.8/debug/self_intersection_points.output
*201   libs/geometry/test/algorithms/overlay/traverse.test/gcc-4.8/debug/traverse.output
*201   libs/geometry/test/algorithms/union.test/gcc-4.8/debug/union.output
*201   libs/geometry/test/algorithms/within.test/gcc-4.8/debug/within.output
*201   libs/geometry/test/multi/algorithms/multi_difference.test/gcc-4.8/debug/multi_difference.output
*201   libs/geometry/test/multi/algorithms/multi_intersection.test/gcc-4.8/debug/multi_intersection.output
*201   libs/geometry/test/multi/algorithms/multi_union.test/gcc-4.8/debug/multi_union.output
*201   libs/math/test/test_bessel_i.test/gcc-4.8/debug/link-static/test_bessel_i.output
*201   libs/math/test/test_bessel_k.test/gcc-4.8/debug/link-static/test_bessel_k.output
*201   libs/math/test/test_ellint_2.test/gcc-4.8/debug/link-static/test_ellint_2.output
*201   libs/math/test/test_ellint_3.test/gcc-4.8/debug/link-static/test_ellint_3.output