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Option '--build=i686-pc-linux-gnu' is not recognized #5138

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cnd opened this issue Feb 27, 2013 · 4 comments
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Option '--build=i686-pc-linux-gnu' is not recognized #5138

cnd opened this issue Feb 27, 2013 · 4 comments
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O-linux Operating system: Linux
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0.7

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@cnd
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cnd commented Feb 27, 2013

Hello.

Trying to make gentoo package (ebuild) : https://github.com/Cynede/weirdo/commit/0da807cd916aa0ea363d91ca94dd91a8cb4e204b

default configure is failing with below error message:

configure: processing /var/tmp/portage/dev-lang/rust-9999/work/rust-9999/configure args
configure:
configure: CFG_PREFIX := /usr
configure: CFG_LOCAL_RUST_ROOT := /usr/local
configure: CFG_LLVM_ROOT :=
configure: CFG_HOST_TRIPLE := i686-unknown-linux-gnu
configure: CFG_TARGET_TRIPLES := i686-unknown-linux-gnu
configure:
configure: validating /var/tmp/portage/dev-lang/rust-9999/work/rust-9999/configure args
configure:
configure: error: Option '--build=i686-pc-linux-gnu' is not recognized

What is it? What option should I pass to configure?
@catamorphism
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Paging @pcwalton or @brson

@brson
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brson commented Feb 28, 2013

It looks like ebuild is calling our configure script with --build=i686-pc-linux-gnu and, because configure doesn't accept a --build flag, is emitting an error. Some cursory googling does not reveal to me why ebuild does this or how to prevent it.

@brson
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brson commented Feb 28, 2013

FWIW, the equivalent in our script is probably --host-triple, though after #4513 it will be --build-triple. Additionally, I have never built rust using i686-pc-linux-gnu as a triple (we use i686-unknown-linux-gnu), so it may not work.

@cnd
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cnd commented Mar 1, 2013

I see, solved. Though it was even my fault.

@cnd cnd closed this as completed Mar 1, 2013
@cnd cnd mentioned this issue Sep 27, 2013
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@cnd cnd mentioned this issue Oct 8, 2013
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@cnd cnd mentioned this issue Oct 21, 2013
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bors added a commit that referenced this issue Oct 25, 2013
@bors
auto merge of #9990 : Heather/rust/configure-changes, r=brson
f35de11 
Re-created: #9760

Now, without adding `pc-linux-gnu` platform

Re-created: #9565

t will be useful for unix systems, some package managers and external tools that is passing / maybe looking for GNU configure syntax options.

One of related bugs: #5138

Also that could be useful in future if project will really install man pages / other stuff using those variables.
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