[..] running build_ext building 'twisted.test.raiser' extension creating /var/tmp/portage/dev-python/twisted-core-15.2.1/work/TwistedCore-15.2.1-python2_7/temp.linux-x86_64-2.7 creating /var/tmp/portage/dev-python/twisted-core-15.2.1/work/TwistedCore-15.2.1-python2_7/temp.linux-x86_64-2.7/twisted creating /var/tmp/portage/dev-python/twisted-core-15.2.1/work/TwistedCore-15.2.1-python2_7/temp.linux-x86_64-2.7/twisted/test x86_64-pc-linux-gnu-gcc -march=core2 -msse4.1 --param l1-cache-line-size=64 --param l1-cache-size=32 --param l2-cache-size=6144 -O2 -pipe -fstack-protector-strong -fPIE -pie -fno-strict-aliasing -fPIC -I/usr/include/python2.7 -c twisted/test/raiser.c -o /var/tmp/portage/dev-python/twisted-core-15.2.1/work/TwistedCore-15.2.1-python2_7/temp.linux-x86_64-2.7/twisted/test/raiser.o x86_64-pc-linux-gnu-gcc -shared -Wl,--hash-style=gnu -Wl,-O1 -Wl,--as-needed -Wl,-z,relro -Wl,-z,now -march=core2 -msse4.1 --param l1-cache-line-size=64 --param l1-cache-size=32 --param l2-cache-size=6144 -O2 -pipe -fstack-protector-strong -fPIE -pie -fno-strict-aliasing /var/tmp/portage/dev-python/twisted-core-15.2.1/work/TwistedCore-15.2.1-python2_7/temp.linux-x86_64-2.7/twisted/test/raiser.o -L/usr/lib64 -lpython2.7 -o /var/tmp/portage/dev-python/twisted-core-15.2.1/work/TwistedCore-15.2.1-python2_7/lib/twisted/test/raiser.so /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.3/../../../../lib64/Scrt1.o: In function `_start': (.text+0x20): undefined reference to `main' collect2: error: ld returned 1 exit status error: command 'x86_64-pc-linux-gnu-gcc' failed with exit status 1 [..]
Mass reaping of bugs filed against split Twisted packages. Those packages are replaced by dev-python/twisted, and we can't expect any failures to be fixed upstream for the old versions.
