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Message-Id: <20120923181924.450a3261.idunham@lavabit.com>
Date: Sun, 23 Sep 2012 18:19:24 -0700
From: Isaac Dunham <idunham@...abit.com>
To: pcc-list@...d.ltu.se
Cc: musl@...ts.openwall.com
Subject: Compiling musl with pcc...
With the new -print-file-name option for pcc, I've managed to get musl's configure to recognize pcc. (See pcc-configure.diff)
But I've run into one other problem: when
-mtune=generic -march=486
is passed to pcc in the linking stage, it appears that pcc passes some invalid option to ld (I get "Unrecognized option: tune=generic", as shown at the very end of make.pcc).
Should the -m... options be omitted from what pcc passes to ld?
Additionally, if I work around that, I get a segfault when running hello world (via .../lib/libc.so a.out):
(gdb output)
program received signal SIGSEGV, Segmentation fault.
0x755b91d9 in __syscall_cp ()
(gdb) where
#0 0x755b91d9 in __syscall_cp ()
#1 0x7557268a in open64 ()
#2 0x755779ad in __dynlink ()
#3 0x7557858d in _start ()
I'll try rebuilding with -O0 -g3.
(Rich: in case you're wondering, -Bsymbolic-functions is being properly passed)
Thanks,
Isaac Dunham <idunham@...abit.com>
Download attachment "make.pcc" of type "application/octet-stream" (85450 bytes)
View attachment "pcc-configure.diff" of type "text/x-diff" (944 bytes)
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