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Message-ID: <5058f9defb73232a983845d22c52c32d4151d69d.camel@xry111.site>
Subject: PING: [PATCH] libsanitizer: don't enable for MIPS Linux without GNU
 libc [PR 106136]
From: Xi Ruoyao <xry111@xry111.site>
To: gcc-patches@gcc.gnu.org
Cc: Richard Sandiford <richard.sandiford@arm.com>, Yunqiang Su
 <yunqiang.su@cipunited.com>, Dimitrije Milosevic
 <Dimitrije.Milosevic@Syrmia.com>
Date: Mon, 25 Jul 2022 15:06:58 +0800
In-Reply-To: <d15c9f5d076972d994a5c508181e9a2c0bd171f9.camel@xry111.site>
References: <d15c9f5d076972d994a5c508181e9a2c0bd171f9.camel@xry111.site>
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Gentle ping :).

On Thu, 2022-06-30 at 12:22 +0800, Xi Ruoyao wrote:
> In libsanitizer code, the size of some GNU libc data structure
> (notably,
> struct stat) is hard coded.=C2=A0 These sizes may trigger a static assert
> buidling against another libc.
>=20
> Just make non-GNU libc targets UNSUPPORTED now.=C2=A0 If someone really
> cares
> about those alternative libc implementations, please submit patch to
> LLVM project adding the support.
>=20
> libsanitizer/ChangeLog
>=20
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0PR sanitizer/106136
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0* configure.tgt: Change m=
ips*-*-linux* to mips*-*-linux-gnu*
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0because it fails to build=
 with non-GNU libc.
> ---
> =C2=A0libsanitizer/configure.tgt | 2 +-
> =C2=A01 file changed, 1 insertion(+), 1 deletion(-)
>=20
> diff --git a/libsanitizer/configure.tgt b/libsanitizer/configure.tgt
> index fb89df4935c..54b74b60e2f 100644
> --- a/libsanitizer/configure.tgt
> +++ b/libsanitizer/configure.tgt
> @@ -54,7 +54,7 @@ case "${target}" in
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0;;
> =C2=A0=C2=A0 arm*-*-linux*)
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0;;
> -=C2=A0 mips*-*-linux*)
> +=C2=A0 mips*-*-linux-gnu*)
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0;;
> =C2=A0=C2=A0 aarch64*-*-linux*)
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0if test x$ac_cv_sizeof_vo=
id_p =3D x8; then

--=20
Xi Ruoyao <xry111@xry111.site>
School of Aerospace Science and Technology, Xidian University