* Separate CFLAGS for libgcc?
@ 2013-03-04 16:12 Fanael Linithien
2013-03-07 8:56 ` Chung-Ju Wu
0 siblings, 1 reply; 2+ messages in thread
From: Fanael Linithien @ 2013-03-04 16:12 UTC (permalink / raw)
To: gcc-help
Hi,
Is it possible to build libgcc with different CFLAGS than the rest of
the target libraries? Specifically, I want to build the target libraries
with -flto, but omit that option for libgcc, because LTO infos in libgcc
cause errors like this one when linking programs:
`__Unwind_Resume' referenced in section `.text' of ccAtADcl.lto.o:
defined in discarded section `.text' of unwind-dw2.o (symbol from
plugin)
Even if not for the errors, I'd still like to know how can I e.g. build
libgcc with -Os, but other libraries (especially libstdc++) with -O2.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Separate CFLAGS for libgcc?
2013-03-04 16:12 Separate CFLAGS for libgcc? Fanael Linithien
@ 2013-03-07 8:56 ` Chung-Ju Wu
0 siblings, 0 replies; 2+ messages in thread
From: Chung-Ju Wu @ 2013-03-07 8:56 UTC (permalink / raw)
To: Fanael Linithien; +Cc: gcc-help
2013/3/5 Fanael Linithien <fanael4@gmail.com>:
> Even if not for the errors, I'd still like to know how can I e.g. build
> libgcc with -Os, but other libraries (especially libstdc++) with -O2.
You can use HOST_LIBGCC2_CFLAGS in the target makefile fragments.
(i.e. libgcc/config/TARGET/t-xxxx )
Best regards,
jasonwucj
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2013-03-07 8:56 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2013-03-04 16:12 Separate CFLAGS for libgcc? Fanael Linithien
2013-03-07 8:56 ` Chung-Ju Wu
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).