From: "Yann E. MORIN" <yann.morin.1998@free.fr>
To: Trevor Woerner <trevor.woerner@linaro.org>
Cc: crossgcc@sourceware.org, patches@linaro.org
Subject: Re: [PATCH] gcc: skip core pass 1 when it is unnecessary
Date: Mon, 05 May 2014 20:10:00 -0000 [thread overview]
Message-ID: <20140505200955.GB3566@free.fr> (raw)
In-Reply-To: <e9f99d9bd902414c8e3f.1393431331@openSUSE-i7>
Trevor, All,
Sorry for the delay... :-(
On 2014-02-26 11:15 -0500, Trevor Woerner spake thusly:
> # HG changeset patch
> # User Trevor Woerner <trevor.woerner@linaro.org>
> # Date 1393431218 18000
> # Wed Feb 26 11:13:38 2014 -0500
> # Node ID e9f99d9bd902414c8e3f3c6fc36c0fc67f3a7593
> # Parent c727adf1b7bd2c1e891db512871dbe7b26797fa6
> gcc: skip core pass 1 when it is unnecessary
>
> If neither the Linux headers nor the libc start files are required, skip gcc's
> core pass 1 since the build will simply move from pass 1 to pass 2 without
> doing any work in between.
>
> Signed-off-by: Trevor Woerner <trevor.woerner@linaro.org>
>
> diff -r c727adf1b7bd -r e9f99d9bd902 scripts/build/cc/gcc.sh
> --- a/scripts/build/cc/gcc.sh Tue Feb 25 13:34:48 2014 -0500
> +++ b/scripts/build/cc/gcc.sh Wed Feb 26 11:13:38 2014 -0500
> @@ -88,6 +88,14 @@
> return 0
> fi
>
> + # skip gcc pass 1 if there are no Linux kernel headers
> + # nor libc start files to build/process
> + if [ "${CT_LIBC}" = "none" -o "${CT_LIBC}" = "newlib" ]; then
> + if [ "${CT_BARE_METAL}" = "y" ]; then
> + return 0
There is already an escape-point a few lines above:
if [ "${CT_CC_CORE_PASSES_NEEDED}" != "y" ]; then
return 0
fi
Also, LIBC == none or LIBC == newlib is only possible for bare-metal to
start with. So, this would be equivalent to not select CC_CORE_PASSES_NEEDED
for newlib, right?
Regards,
Yann E. MORIN.
> + fi
> + fi
> +
> core_opts+=( "mode=static" )
> core_opts+=( "host=${CT_BUILD}" )
> core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
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next prev parent reply other threads:[~2014-05-05 20:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-26 16:15 Trevor Woerner
2014-05-05 20:10 ` Yann E. MORIN [this message]
2014-05-05 20:59 ` Yann E. MORIN
2014-05-05 21:42 ` Yann E. MORIN
2014-05-06 3:25 ` Trevor Woerner
-- strict thread matches above, loose matches on Subject: below --
2014-02-26 16:00 Trevor Woerner
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