MantisBT - CMake

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Date Submitted

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0010210

CMake

public

2010-01-31 09:50

2010-02-01 10:06

Reporter

Artyom

Assigned To

Brad King

Priority

normal

Severity

feature

Reproducibility

always

Status

closed

Resolution

fixed

Platform

OS Version

Product Version

Target Version

Fixed in Version

Summary

0010210: CMake uses incorrect SONAME naming policy under Cygwin and MinGW standards

Description

Dll platform do not have real "so-name" but however they are simulated
file with dll naming convention used under MinGW and Cygwin.

For example library "neon"

libneon.so installed under linux as:

   lib/libneon.so -> libneon.so.27.1.4
   lib/libneon.so.27 -> libneon.so.27.1.4
   lib/libneon.so.27.1.4

Where application is looking for lib/libneon.so.27 -- the current binary interface version -- 27 is actually the ABI version.

In parallel older version:

   lib/libneon.so.25 -> libneon.so.27.0.5
   lib/libneon.so.25.0.5

May be installed and not interfere older version of libneon.

Under Cygwin same is done as installing DLL with

   lib/libneon.dll.a
   bin/cygneon-27.dll

And older:

   bin/cygneon-25.dll

When the application is linked for cygneon-27.dll.

Similar CMake configuration for Neon would be:

set_target_properties(neon PROPERTIES
                     SOVERSION 27
                     VERSION 27.1.4)

However under Cygwin it would create:

    bin/cygneon-27.1.4.dll

Which contradicts Cygwin (and MinGW) naming conventions.
It is also does not allow applications upgrade to newer backward
compatible dll version as it expected to be done.

Artyom

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