Date: Tue, 3 Apr 2012 17:18:00 -0700 From: Isaac Dunham <idunham@...abit.com> To: musl@...ts.openwall.com Subject: Re: FTBFS on i386: aio_cancel.c relies on macro-protected defines in aio.h On Tue, 3 Apr 2012 19:16:23 -0400 Rich Felker <dalias@...ifal.cx> wrote: > On Tue, Apr 03, 2012 at 04:09:25PM -0700, Isaac Dunham wrote: > > aio_cancel.c won't build. > > It seems one of the _*_SOURCE macros must be defined to build it, > > and I'm not sure which one (guessing it's _POSIX_SOURCE or > > _XOPEN_SOURCE ?). > > The default Makefile for musl has -D_XOPEN_SOURCE=700 in the CFLAGS. > You cannot build the vast majority of musl if you remove this. > Figured out the problem: I had CFLAGS = -fno-stack-protector instead of CFLAGS += -fno-stack-protector In theory, it would be possible to avoid erroring on this by moving -include config.mak to the top, using ?= instead of = for most variables, and using += for CFLAGS. But this might also allow other problems for those with less sane default CFLAGS... Also, putting *_LIBS in the section before config.mak does allow freedom to shoot oneself in the foot in a similar manner--but if someone can figure out that, they can probably find several more ways to break it.
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