GNU logs - #25944, boring messages

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Subject: bug#25944: libtool link mode execution ignores --target=* option
Resent-From: "N. Ohkawa" <n.ohkawa@HIDDEN>
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From: "N. Ohkawa" <n.ohkawa@HIDDEN>
Date: Fri, 3 Mar 2017 14:19:13 +0900
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Hi,


I try to cross-compile my lib using clang and target toolchain.
In link phase, I get this error.

clang-3.9: error: unable to execute command: Executable "ld" doesn't exist!
clang-3.9: error: linker command failed with exit code 1 (use -v to see
invocation)

'make' command try to link by

/bin/bash ../libtool  --tag=CC   --mode=link clang [options include
--target=target-host-prefix]

And then, 'libtool' script executes

clang [options without --target=target-host-prefix]

So, clang try to use 'ld' unexpectedly, not 'target-host-prefix-ld'.
libtool script drops --target=* at the func_mode_link function.
I think --target=* should be passed through unchanged,
like --sysroot=*, -stdlib=* and other options.


Regards,
Noriyuki

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<div dir=3D"ltr">Hi,=C2=A0<div><br></div><div><br></div><div>I try to cross=
-compile my lib using clang and target toolchain.<div><div>In link phase, I=
 get this error.<br></div><div><br></div><div>clang-3.9: error: unable to e=
xecute command: Executable &quot;ld&quot; doesn&#39;t exist!<br></div><div>=
<div>clang-3.9: error: linker command failed with exit code 1 (use -v to se=
e invocation)</div></div></div></div><div><br></div><div>&#39;make&#39; com=
mand try to link by<br></div><div><br></div><div>/bin/bash ../libtool =C2=
=A0--tag=3DCC =C2=A0 --mode=3Dlink clang [options include --target=3Dtarget=
-host-prefix]<br></div><div><br></div><div>And then, &#39;libtool&#39; scri=
pt executes</div><div><br></div><div>clang [options without --target=3Dtarg=
et-host-prefix]<br></div><div><br></div><div>So, clang try to use &#39;ld&#=
39; unexpectedly, not &#39;target-host-prefix-ld&#39;.</div><div>libtool sc=
ript drops --target=3D* at the func_mode_link function.<br></div><div>I thi=
nk --target=3D* should be passed through unchanged,<br></div><div>like=C2=
=A0--sysroot=3D*, -stdlib=3D* and other options.</div><div><br></div><div><=
br></div><div>Regards,</div><div>Noriyuki</div><div><br></div><div><br></di=
v><div><br></div><div><br></div></div>

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: "N. Ohkawa" <n.ohkawa@HIDDEN>
Subject: bug#25944: Acknowledgement (libtool link mode execution ignores
 --target=* option)
Message-ID: <handler.25944.B.148851845326814.ack <at> debbugs.gnu.org>
References: <CA+vbTX8K5T-a79cbtEK6cu6U-hQhDofuy9ieUPP9XrP4z1iKow@HIDDEN>
X-Gnu-PR-Message: ack 25944
X-Gnu-PR-Package: libtool
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Date: Fri, 03 Mar 2017 05:21:02 +0000

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