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Message-ID: <20160404153621.GA2835@newbook> Date: Mon, 4 Apr 2016 08:36:22 -0700 From: Isaac Dunham <ibid.ag@...il.com> To: musl@...ts.openwall.com Subject: Re: musl libc.so working and almost building with current pcc On Sun, Apr 03, 2016 at 08:04:48PM -0400, Rich Felker wrote: > On Sun, Apr 03, 2016 at 02:47:56PM -0700, Isaac Dunham wrote: > > However, PCC reports a major internal compiler error at line 1382 > > of ldso/dynlink.c (which is conditional on FDPIC support). > > If I convert the "if (DL_FDPIC) ..." to an ifdef, I get a working libc. > > (src/complex/catanf.c is now properly compiled.) > > It's always defined (to either 0 or 1) so #ifdef produces wrong code. > Did you try #if DL_FDPIC? That should work but there's obviously some > serious pcc bug going on here, probably preprocessor breakage again. Not a preprocessor bug; building dynlink.i by hand, I see that this line if (DL_FDPIC) ((stage3_func)&ldso.funcdescs[dls3_def.sym-ldso.syms])(sp); becomes if (0) ((stage3_func)&ldso.funcdescs[dls3_def.sym-ldso.syms])(sp); Which is what it should be. So it's hitting a problem with understanding the code. Thanks, Isaac Dunham
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