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On OS X, warn about filenames that only differ in case #783

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bos opened this Issue May 24, 2012 · 0 comments

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@bos
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bos commented May 24, 2012

(Imported from Trac #793, reported by @tibbe on 2011-01-18)

I managed to make Cabal fail to build a project by having

Name:                hamt
Version: 0.1
License: BSD3
License-file: LICENSE
Author: Johan Tibell
Maintainer: johan.tibell@gmail.com
Category: Data
Build-type: Simple
Cabal-version: >=1.2
Library
Exposed-modules: HAMT
Other-modules: PopCount
Build-depends: base, vector
C-sources: popcount.c
The result was:

Building hamt-0.1...
[1 of 2] Compiling PopCount ( PopCount.hs, dist/build/PopCount.o )
ld: duplicate symbol _popcount in dist/build/popcount.o and dist/build/PopCount.o for inferred architecture i386
_popcount is only defined in popcount.c. Looking in dist/ showed that there was only a popcount.o there (from the C file). Renaming popcount.c to popc.c solved the problem.

Cabal ought to warn in this case.

@ttuegel ttuegel added this to the _|_ milestone Apr 23, 2015
@ttuegel ttuegel removed the low-priority label Apr 23, 2015
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