gbianchini [1] filed a orphan request for core [2]: There's a bug in a python library that doesn't let me compile it (Tried it on 2 computers already). Here's the stack trace: building 'netns' extension creating build creating build/temp.linux-x86_64-2.7 gcc -pthread -DNDEBUG -march=x86-64 -mtune=generic -O2 -pipe -fstack- protector-strong -Wno-strict-aliasing -O3 -Werror -Wall -D_GNU_SOURCE -Wno-strict-aliasing -fPIC -I/usr/include/python2.7 -c netnsmodule.c -o build/temp.linux-x86_64-2.7/netnsmodule.o In file included from /usr/include/python2.7/Python.h:78:0, from netnsmodule.c:16: netnsmodule.c: En la función ‘netns_nsexecvp’: /usr/include/python2.7/pymem.h:97:30: error: ‘*’ en contexto boolean; se sugiere ‘&&’ en su lugar [-Werror=int-in-bool-context] ( (type *) PyMem_MALLOC((n) * sizeof(type)) ) ) ^ /usr/include/python2.7/pymem.h:75:15: nota: en definición de macro ‘PyMem_MALLOC’ : malloc((n) ? (n) : 1)) ^ netnsmodule.c:61:10: nota: en expansión de macro ‘PyMem_NEW’ argv = PyMem_NEW(char *, argc + 1); ^~~~~~~~~ cc1: todos los avisos se tratan como errores error: command 'gcc' failed with exit status 1 make[3]: *** [Makefile:684: libnetns.a] Error 1 make[3]: se sale del directorio '/home/german/Documents/core/src/core-4.8/daemon/src' make[2]: *** [Makefile:624: all-recursive] Error 1 make[2]: se sale del directorio '/home/german/Documents/core/src/core-4.8/daemon' make[1]: *** [Makefile:440: all-recursive] Error 1 make[1]: se sale del directorio '/home/german/Documents/core/src/core-4.8' make: *** [Makefile:370: all] Error 2 ==> ERROR: Se produjo un fallo en build(). Cancelando… Thanks. [1] https://aur.archlinux.org/account/gbianchini/ [2] https://aur.archlinux.org/pkgbase/core/