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Last Update

0007827

CMake

Modules

public

2008-10-18 11:08

2016-06-10 14:30

Reporter

Boris Dušek

Assigned To

Bill Hoffman

Priority

normal

Severity

minor

Reproducibility

always

Status

closed

Resolution

moved

Platform

OS Version

Product Version

CMake-2-6

Target Version

Fixed in Version

Summary

0007827: FindEXPAT finds expat.h in /Library/Frameworks/Mono.framework/Headers instead of /usr/include on Mac OS X.

Description

Hi,

title pretty says it all - when using find_package(EXPAT REQUIRED), ${EXPAT_INCLUDE_DIRS} gets set to /Library/Frameworks/Mono.framework/Headers even though the header expat.h is clearly in /usr/include as well.

I looked at FindEXPAT, EXPAT_INCLUDE_DIRS is set by FIND_PATH(EXPAT_INCLUDE_DIR NAMES expat.h) ... SET(EXPAT_INCLUDE_DIRS ${EXPAT_INCLUDE_DIR}).

Reading the documentation for find_path, I concluded that the reason for this undesirable behavior happening is that CMAKE_FIND_FRAMEWORK is set to "FIRST" by default, so frameworks on OS X are searched before /usr/include. So even though Mono.framework ships expat.h as a "side effect" to support its own headers, it gets searched first.

I really don't know what to think about this, since CMake behaves correctly, and Mono also neads this header for its own ones. I vaugely remember that there might be something like Private Headers or Private Frameworks where it would be more appropriate for Mono to put the headers of 3rdpatry libraries like expat, but I am not sure about this.

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Notes
(0013898) Boris Dušek (reporter) 2008-10-18 11:33	set(CMAKE_FIND_FRAMEWORK LAST) before find_package(EXPAT) is a working workaround.

(0041454) Kitware Robot (administrator) 2016-06-10 14:27	Resolving issue as `moved`. This issue tracker is no longer used. Further discussion of this issue may take place in the current CMake Issues page linked in the banner at the top of this page.

Issue History
Date Modified	Username	Field	Change
2008-10-18 11:08	Boris Dušek	New Issue
2008-10-18 11:33	Boris Dušek	Note Added: 0013898
2008-10-27 13:46	Bill Hoffman	Status	new => assigned
2008-10-27 13:46	Bill Hoffman	Assigned To	=> Bill Hoffman
2009-01-10 09:29	Alex Neundorf	Category	CMake => Modules
2016-06-10 14:27	Kitware Robot	Note Added: 0041454
2016-06-10 14:27	Kitware Robot	Status	assigned => resolved
2016-06-10 14:27	Kitware Robot	Resolution	open => moved
2016-06-10 14:30	Kitware Robot	Status	resolved => closed