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Date Submitted

Last Update

0007097

CMake

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public

2008-05-26 04:29

2008-07-03 16:00

Reporter

Martin Apel

Assigned To

Douglas Gregor

Priority

normal

Severity

major

Reproducibility

always

Status

closed

Resolution

fixed

Platform

OS Version

Product Version

CMake-2-6

Target Version

Fixed in Version

CMake-2-6

Summary

0007097: FindBoost on Linux misinterprets compiler version info for library search if compiler name contains version number

Description

If the compiler name on Linux is e.g. gcc-4.2, then the FindBoost module
searches for boost libraries containing the version string
  -gccg++-4.2 (GCC) 4.2.2
instead of
  -gcc42

The statement
        STRING(REGEX REPLACE ".* ([0-9])\\.([0-9])\\.[0-9] .*" "\\1\\2"
               _boost_COMPILER_VERSION ${_boost_COMPILER_VERSION})

inside FindBoost.cmake seems to fail in this case. The cause is probably the trailing blank required by the regular expression, which is not always there.

The result of this bug is that Boost is never found in this configuration.

Additional Information

The output of gcc --version on this machine is
  gcc (GCC) 4.1.1 20070105 (Red Hat 4.1.1-52)
The output of gcc-4.2 --version on this machine is
  gcc-4.2 (GCC) 4.2.2

It would probably be better to use a regular expression such as
  ".*\$GCC\$ ([0-9])\\.([0-9])\\.[0-9].*"
(untested)

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Notes
(0012615) Douglas Gregor (developer) 2008-07-03 15:52	Fixed in CMake CVS

Issue History
Date Modified	Username	Field	Change
2008-05-26 04:29	Martin Apel	New Issue
2008-05-26 09:47	Bill Hoffman	Status	new => assigned
2008-05-26 09:47	Bill Hoffman	Assigned To	=> Douglas Gregor
2008-07-03 15:52	Douglas Gregor	Status	assigned => resolved
2008-07-03 15:52	Douglas Gregor	Fixed in Version	=> CMake-2-6
2008-07-03 15:52	Douglas Gregor	Resolution	open => fixed
2008-07-03 15:52	Douglas Gregor	Note Added: 0012615
2008-07-03 16:00	Douglas Gregor	Status	resolved => closed