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0009168

CMake

Modules

public

2009-06-16 19:07

2016-06-10 14:30

Reporter

gnu_lorien

Assigned To

Miguel Figueroa

Priority

normal

Severity

minor

Reproducibility

always

Status

closed

Resolution

moved

Platform

OS Version

Product Version

CMake-2-6

Target Version

Fixed in Version

Summary

0009168: Bug with wxWidgets_CXX_FLAGS

Description

I came across a problem when porting to another Unix platform today
with wxWidgets_CXX_FLAGS. There's a bug in how it parses and removes
definitions from wx-config's cxxflags output. I suspect this class of
bug applies to all pkg-config like and other gcc compile flags parsing
routines.

In essence, the following two regex replaces need to be included when
trying to remove definitions:
STRING(REGEX REPLACE ";-D[^;]+$" "" wxWidgets_CXX_FLAGS
"${wxWidgets_CXX_FLAGS}")
STRING(REGEX REPLACE "^-D[^;]+$" "" wxWidgets_CXX_FLAGS
"${wxWidgets_CXX_FLAGS}")

The first properly removes definitions that exist at the end of the
flags. The second properly removes a definition if it is the only
component of the C[XX]FLAGS.

I suspect a similar problem exists for includes when includes are the
only component of the flags.

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Notes
(0021429) liberforce (reporter) 2010-07-20 05:29	I have the same problem with CMake 2.4.7 under mingw. When replaced in the g++ command line, wxWidgets_CXX_FLAGS contains spurious '\ ' (backslash + space). I seems that spaces in wxWidgets_CXX_FLAGS are escaped when the variable is evaluated. However, these characters do not appear when the showing its content with the MESSAGE cmake command.

(0041569) 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
2009-06-16 19:07	gnu_lorien	New Issue
2009-06-17 12:19	Miguel Figueroa	Status	new => assigned
2009-06-17 12:19	Miguel Figueroa	Assigned To	=> Miguel Figueroa
2010-07-20 05:29	liberforce	Note Added: 0021429
2010-08-28 12:15	Kovarththanan Rajaratnam	Category	CMake => Modules
2016-06-10 14:27	Kitware Robot	Note Added: 0041569
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