GNU bug report logs - #8912
cross-compile code for LD setup does not use the right system macro

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Package: libtool; Reported by: Eric PAIRE <eric.paire@HIDDEN>; dated Tue, 21 Jun 2011 15:25:02 UTC; Maintainer for libtool is bug-libtool@HIDDEN.

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From: Eric PAIRE <eric.paire@HIDDEN>
To: "bug-libtool@HIDDEN" <bug-libtool@HIDDEN>
Date: Tue, 21 Jun 2011 14:12:02 +0200
Subject: cross-compile code for LD setup does not use the right system macro
Thread-Topic: cross-compile code for LD setup does not use the right system
	macro
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Hi all,

While compiling on 64-bit Linux a package that will be executed on a 32-bit=
 Linux ([--build=3Dx86_64-unknown-linux-gnu] --host=3Di686-pc-linux-gnu), I=
 am facing an issue with the value of the LD macro generated in libtool, as=
 the libtool part of configure does not add the '-m elf_i386' option for LD=
 to generate a 32-bit object/program.

Actually, the problem is that libtool.m4 checks for the build system type w=
ith $host, whereas it should be $build. I have understood that $build is th=
e system on which the program is generated (64-bit in my case) and $host th=
e system on which the program created (32-bit in my case) is meant to run. =
So the right macro should test build system, and not host.

You will find attached a fix proposal.

Thanks,
Eric PAIRE


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xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" xmlns=3D"http:=
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal>Hi all,<o:p></o:=
p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>While =
compiling on 64-bit Linux a package that will be executed on a 32-bit Linux=
 ([--build=3Dx86_64-unknown-linux-gnu] --host=3Di686-pc-linux-gnu), I am fa=
cing an issue with the value of the LD macro generated in libtool, as the l=
ibtool part of configure does not add the '-m elf_i386' option for LD to ge=
nerate a 32-bit object/program.<o:p></o:p></p><p class=3DMsoNormal><o:p>&nb=
sp;</o:p></p><p class=3DMsoNormal>Actually, the problem is that libtool.m4 =
checks for the build system type with $host, whereas it should be $build. I=
 have understood that $build is the system on which the program is generate=
d (64-bit in my case) and $host the system on which the program created (32=
-bit in my case) is meant to run. So the right macro should test build syst=
em, and not host.<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><=
p class=3DMsoNormal>You will find attached a fix proposal.<o:p></o:p></p><p=
 class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>Thanks,<o:p></=
o:p></p><p class=3DMsoNormal>Eric PAIRE<o:p></o:p></p><p class=3DMsoNormal>=
<o:p>&nbsp;</o:p></p></div></body></html>=

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Acknowledgement sent to Eric PAIRE <eric.paire@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-libtool@HIDDEN. Full text available.
Report forwarded to owner <at> debbugs.gnu.org, bug-libtool@HIDDEN:
bug#8912; Package libtool. Full text available.
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