Could you remove $(NO_STRICT_ALIASING_CFLAGS) from src/Makefile.am (or set NO_STRICT_ALIASING_CFLAGS to emtpy in the generated src/Makefile), and do a -Wall -Werror build on x86-64 to see if there are any warnings when compiling the python sources (epiphany.c) ?
Could you remove $(NO_STRICT_ ALIASING_ CFLAGS) from src/Makefile.am (or set NO_STRICT_ ALIASING_ CFLAGS to emtpy in the generated src/Makefile), and do a -Wall -Werror build on x86-64 to see if there are any warnings when compiling the python sources (epiphany.c) ?