[Bug 197198] New: libpng not detected during configure

https://bugs.kde.org/show_bug.cgi?id=197198

           Summary: libpng not detected during configure
           Product: digikam
           Version: unspecified
          Platform: Slackware Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:           1.0.0beta1 (using KDE 4.2.4)
Compiler:          gcc
OS:                Linux (i686) release 2.6.28.10
Installed from:    Slackware Packages

I have libpng-1.2.35 installed but digikam does not detect it during configure:

-----------                                                                    
--  digiKam 1.0.0-beta1 dependencies results   <http://www.digikam.org>        
--                                                                              
--  Qt4 SQL module found................ YES                                    
--  libjpeg library found............... YES                                    
--  libtiff library found............... YES                                    
--  libpng library found................ NO                                    
--                                                                              
CMake Error at CMakeLists.txt:152 (MESSAGE):                                    
   digiKam needs libpng. You need to install the correct version (>= 1.2.7).

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=197198





--- Comment #1 from Gilles Caulier <caulier gilles gmail com>  2009-06-20 08:22:06 ---
there is nothing special in digiKam to detect libpng. all is delegate to CMake
scripts (FindPNG.cmake)...

Which cmake version you use ?

Gilles Caulier

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|general                     |setup
            Version|unspecified                 |1.0.0-beta1




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--- Comment #2 from Andrzej <superandrzej epf pl>  2009-06-20 21:24:23 ---
I use cmake 2.6.2
I even reinstalled it. But the output is the same.

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--- Comment #3 from Gilles Caulier <caulier gilles gmail com>  2009-06-20 21:31:05 ---
Remove CMakeCache.txt file from root dir and try again.

Gilles Caulier

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--- Comment #4 from Andrzej <superandrzej epf pl>  2009-06-20 23:07:24 ---
still the same

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Andrzej <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID




--- Comment #5 from Andrzej <superandrzej epf pl>  2009-06-23 00:06:06 ---
mea culpa

When I was studying cmake package I discovered that libpng depends on zlib.
Somehow I removed zlib sometime ago (in Slackware there is no dependencies
control) and this explains why cmake was not able to detect libpng ;)

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[hidden email]
            Version|1.0.0-beta1                 |1.0.0




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