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> Building glibc produces lots of these warnings: > ../include/ctype.h:27: warning: no previous prototype for `__ctype_b_loc' > ../include/ctype.h:37: warning: no previous prototype for `__ctype_toupper_loc' > ../include/ctype.h:47: warning: no previous prototype for `__ctype_tolower_loc' Compiling what files? I don't see any such warnings. Are you using unusual options? What compiler? > And also this one: > ../sysdeps/posix/spawni.c:278: warning: control reaches end of non-void function > > How can we add an __attribute__ ((noreturn)) to _exit in include/unistd.h? It's a GCC bug. The attributes should be preserved by using typeof in libc_hidden_proto, but are not. I see Ulrich has put it in a workaround, but I think we should have just ignored it and get GCC fixed.
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