Created attachment 446136 [details] build.log After some time of building I got this buil error: In file included from libs/test/src/test_tools.cpp:16:0: ./boost/test/impl/test_tools.ipp: In constructor ‘boost::test_tools::output_test_stream::output_test_stream(boost::test_tools::output_test_stream::const_string, bool, bool)’: ./boost/test/impl/test_tools.ipp:458:1: internal compiler error: in expand_expr_addr_expr_1, at expr.c:7672 } ^ Please submit a full bug report, with preprocessed source if appropriate. See <https://bugs.gentoo.org/> for instructions. gcc.compile.c++ bin.v2/libs/test/build/gcc-4.9/gentoorelease/link-static/pch-off/unit_test_main.o "powerpc-unknown-linux-gnu-g++" -ftemplate-depth-128 -mcpu=G5 -mtune=G5 -Os -pipe -mno-altivec -std=gnu++98 -finline-functions -Wno-inline -Wall -pedantic -DBOOST_ALL_NO_LIB=1 -DNDEBUG -I"." -c -o "bin.v2/libs/test/build/gcc-4.9/gentoorelease/link-static/pch-off/unit_test_main.o" "libs/test/src/unit_test_main.cpp" gcc.compile.c++ bin.v2/libs/test/build/gcc-4.9/gentoorelease/link-static/pch-off/unit_test_monitor.o "powerpc-unknown-linux-gnu-g++" -ftemplate-depth-128 -mcpu=G5 -mtune=G5 -Os -pipe -mno-altivec -std=gnu++98 -finline-functions -Wno-inline -Wall -pedantic -DBOOST_ALL_NO_LIB=1 -DNDEBUG -I"." -c -o "bin.v2/libs/test/build/gcc-4.9/gentoorelease/link-static/pch-off/unit_test_monitor.o" "libs/test/src/unit_test_monitor.cpp" ...failed updating 1 target... * ERROR: dev-libs/boost-1.56.0-r1::gentoo failed (compile phase):
Created attachment 446138 [details] emerge --info
Rebuilt world with gcc-4.9.4, no change concerning boost-1.56.0-r1. Rebuilt world with gcc-5.4.0, boost-1.56.0-r1 now builds fine!
devlibs/boost-1.62.0-r1 is stable now on ppc/ppc64, which builds fine with gcc-4.9.4 and gcc 5.4.0. Will close this bug as it seems obsolete.