rpm2txz Difficulty

[Bogomips]

Needed libpng16

Code: Select all

guest@porteus:~$ slackyd -c p10/Por/slackyd.conf -d
...
libpng16.so.16 required by:
 --> Package: imagemagick-6.8.9.7-1-i686 (/usr/lib/ImageMagick-6.8.9/modules-Q16HDRI/coders/png.so)
...
Searching libpng16.so.16: nothing found.

Obtained from libpng16_16-1.6.2-2-omv2013.0.i586.rpm

Code: Select all

guest@porteus:~$ ls -l /var/log/packages/libpng16_16-1.6.2-2-omv2013.0.i586 
-rw-r--r-- 1 root root 300 Sep 23 14:14 /var/log/packages/libpng16_16-1.6.2-2-omv2013.0.i586

guest@porteus:~$ ldd /usr/lib/ImageMagick-6.8.9/modules-Q16HDRI/coders/png.so
	...
   libpng16.so.16 => /usr/lib/libpng16.so.16 (0xb6feb000)

Turned up error upon invoking ImageMagick executable display

Code: Select all

display: relocation error: /usr/lib/ImageMagick-6.8.9/modules-Q16HDRI/coders/png.so: symbol png_set_option, version PNG16_0 not defined in file libpng16.so.16 with link time reference

But version PNG16_0 is supposed to be in RPM

Code: Select all

libpng16_16 - A library of functions for manipulating PNG image format files
Distribution: OpenMandriva Lx 2013.0
Repository: OpenMandriva Main i586
Package name: libpng16_16
Package version: 1.6.2
Package architecture: i586
Package type: rpm
Download size: 95,95 KB
Installed size: 222,05 KB
Official mirror: abf-downloads.rosalinux.ru
This package contains the library needed to run programs dynamically linked with libpng.
Provides
    libpng16_16 [== 2:1.6.2-2:2013.0]
    libpng16.so.16
    libpng16.so.16(PNG16_0)

RPM contents according to cpio

Code: Select all

guest@porteus:~$ rpm2cpio p10/Por/var/slackyd/libpng16_16-1.6.2-2-omv2013.0.i586.rpm | cpio -it
./usr/lib/libpng16.so.16
./usr/lib/libpng16.so.16.2.0
445 blocks

guest@porteus:~$ rpm2cpio p10/Por/var/slackyd/libpng16_16-1.6.2-2-omv2013.0.i586.rpm | cpio -dim
445 blocks
usr
└── lib
    ├── libpng16.so.16 -> libpng16.so.16.2.0
    └── libpng16.so.16.2.0

1 directory, 2 files

Contents of TXZ

Code: Select all

guest@porteus:~$ tar xJf p10/Por/ImMagick/libpng16_16-1.6.2-2-omv2013.0.i586.txz -C rpm2txz

rpm2txz
├── install
│   └── doinst.sh
└── usr
    └── lib
        └── libpng16.so.16.2.0

3 directories, 2 files

guest@porteus:~$ cat rpm2txz/install/doinst.sh 
( cd usr/lib ; rm -rf libpng16.so.16 )
( cd usr/lib ; ln -sf libpng16.so.16.2.0 libpng16.so.16 )

Info from usr/lib/libpng16.so.16.2.0 same as /usr/lib/libpng16.so.16.2.0

Code: Select all

guest@porteus:~$ cmp  /usr/lib/libpng16.so.16.2.0 usr/lib/libpng16.so.16.2.0
guest@porteus:~$ readelf -V usr/lib/libpng16.so.16.2.0
...
Version definition section '.gnu.version_d' contains 2 entries:
  Addr: 0x0000000000003600  Offset: 0x003600  Link: 3 (.dynstr)
  000000: Rev: 1  Flags: BASE   Index: 1  Cnt: 1  Name: libpng16.so.16
  0x001c: Rev: 1  Flags: none  Index: 2  Cnt: 1  Name: PNG16_0

And PNG16_0 is definitely there, and this has got me stymied

[francois]

Searching libpng16.so.16: nothing found.

libpng16.so.16.2.0 is not libpng16.so.16

Try to make a link between libpng16.so.16.2.0 and libpng16.so.16 or make a copy of libpng16.so.16.2.0 and name it libpng16.so.16.

[brokenman]

Francois is right. The doinst.sh file is run when a slackware package is installed. Because this is an rpm converted to a module, this file is never run and the symlink is not created. Run the commands in the doisnt.sh file

Code: Select all

cd usr/lib ; ln -sf libpng16.so.16.2.0 libpng16.so.16

[Slaxmax]

Avoid packages rpm.
make your own libpng (slackbuilds)

slackbuild script (included latest libpng)
http://www.mediafire.com/download/fb4mu ... libpng.zip

[Bogomips]

Francois is right. The doinst.sh file is run when a slackware package is installed. Because this is an rpm converted to a module, this file is never run and the symlink is not created.

But already have symlink

Code: Select all

guest@porteus:~$ ls -l /usr/lib/libpng16.so.16
lrwxrwxrwx 1 root root 18 Sep 23 14:14 /usr/lib/libpng16.so.16 -> libpng16.so.16.2.0*

Or am I missing something?

@slaxmax
Already having trouble with versions. libpng complained that previous libpng16 version tried was too high. (1.6.12 :: 1.4.12)

[brokenman]

Ok your initial post doesn't say that. I don't see the file there.

Code: Select all

guest@porteus:~$ tar xJf p10/Por/ImMagick/libpng16_16-1.6.2-2-omv2013.0.i586.txz -C rpm2txz

rpm2txz
├── install
│   └── doinst.sh
└── usr
    └── lib
        └── libpng16.so.16.2.0

3 directories, 2 files

Using rpm packages will certainly complicate things and should only be used when you have no other option and you need a lilbrary not offered in slackware. Be very careful with mixing libpng packages to. This is an important library for many GUI programs and mixing the libraries is not recommended. I would recompile ImageMagick against the version of libpng that slackware carries.

[Bogomips]

Using rpm packages will certainly complicate things and should only be used when you have no other option and you need a lilbrary not offered in slackware.

Thassright. libpng16 neither in Slackware package nor in source to be found.

After due thought, and taking into consideration being able to live without png in ImageMagick, decided on a plan of attack, which involved proceeding up the list of libpng16 RPMs at pkgs.org, doing a higher version whenever there were a few moments to spare.

Next RPM up

Code: Select all

openSUSE Update:
    libpng16-16-1.6.6-4.1.i586.rpm  Library for the Portable Network Graphics Format (PNG)
guest@porteus:~$ rpm2cpio p10/Por/var/slackyd/libpng16-16-1.6.6-4.1.i586.rpm|cpio -it       
./usr/lib/libpng16.so.16
./usr/lib/libpng16.so.16.6.0
468 blocks

Checking Version and Linkage

Code: Select all

guest@porteus:~$ rpm2cpio p10/Por/var/slackyd/libpng16-16-1.6.6-4.1.i586.rpm|cpio -dim
468 blocks
guest@porteus:~$ readelf -V usr/lib/libpng16.so.16
...
Version definition section '.gnu.version_d' contains 2 entries:
  Addr: 0x0000000000003b00  Offset: 0x003b00  Link: 5 (.dynstr)
  000000: Rev: 1  Flags: BASE   Index: 1  Cnt: 1  Name: libpng16.so.16
  0x001c: Rev: 1  Flags: none  Index: 2  Cnt: 1  Name: PNG16_0

guest@porteus:~$ tree usr/
usr/
└── lib
    ├── libpng16.so.16 -> libpng16.so.16.6.0
    └── libpng16.so.16.6.0

1 directory, 2 files

Creating Module and checking Linkage yet again

Code: Select all

guest@porteus:~$ dir2xzm usr libpng16-16-1.6.6-4.1.i586.xzm

guest@porteus:~$ mloop libpng16-16-1.6.6-4.1.i586.xzm 
 Your module has been mounted at: 
/mnt/loop
 Here is a list of the files:
lib

guest@porteus:~$ tree /mnt/loop
/mnt/loop
└── lib
    ├── libpng16.so.16 -> libpng16.so.16.6.0
    └── libpng16.so.16.6.0

1 directory, 2 files

guest@porteus:~$ ls -lh /mnt/loop/lib/libpng16.so.16
lrwxrwxrwx 1 guest guest 18 Sep 26 22:51 /mnt/loop/lib/libpng16.so.16 -> libpng16.so.16.6.0*

Activation & Run. And blow me down! (this always happens when there's no priority)

Code: Select all

loop12    7:12   0   5.1M  1 loop /mnt/live/memory/images/ImM_220914-png16.xzm
loop13    7:13   0   5.5M  1 loop /mnt/live/memory/images/binutils-2.23.52.0.1-i486-2.xzm
loop14    7:14   0    92K  0 loop /mnt/loop
loop15    7:15   0    92K  1 loop /mnt/live/memory/images/libpng16-16-1.6.6-4.1.i586.xzm

guest@porteus:~$ display &
[1] 4777
guest@porteus:~$ display: color is not known to server `FOREGROUND': Success @ error/xwindow.c/XGetPixelPacket/3040.
display: color is not known to server `BACKGROUND': Success @ error/xwindow.c/XGetPixelPacket/3052.

[1]+  Done                    display

Struck paydirt!

Now unsure whether due to hitting upon compatible version, or due to libpng of same version being provided as well in package, as previous RPM did not provide such.

Provides
libpng = 1.6.6-4.1
libpng16-16 = 1.6.6-4.1
libpng16-16(x86-32) = 1.6.6-4.1
libpng16.so.16
libpng16.so.16(PNG16_0)

Module for the Record

Code: Select all

imagemagick - An image viewing/manipulation program

    Distribution: Arch Linux
    Repository: Arch Linux Extra i686
    Package name: imagemagick
    Package version: 6.8.9.7
    Package architecture: i686
    Package type: xz
    Installed size: 10,17 MB
    Download size: 2,17 MB
    Binary package: imagemagick-6.8.9.7-1-i686.pkg.tar.xz
    Source package: imagemagick

Requires

    fontconfig
    lcms2
    libcl
    liblqr
    libltdl
    libxext
    libxt
    perl
_______________________________________________________________________________
DEPENDENCIES
System			USM			ARCH			IM
======			===			====			==
fontconfig	  lcms2		 libcl		  liblqr (src)
libxext						  libltdl	   lcms2
libxt						    liblqr
perl

libpng16

Code: Select all

libpng16-16 - Library for the Portable Network Graphics Format (PNG)

    Distribution: openSUSE 13.1
    Repository: openSUSE Update
    Package name: libpng16-16
    Package version: 1.6.6
    Package architecture: i586
    Package type: rpm
    Installed size: 233,32 KB
    Download size: 113,67 KB
    Binary package: libpng16-16-1.6.6-4.1.i586.rpm
    Source package: libpng16-1.6.6-4.1.src.rpm
Requires
    libc.so.6(GLIBC_2.11)
    libm.so.6
    libm.so.6(GLIBC_2.0)
    libz.so.1
    libz.so.1(ZLIB_1.2.3.4)
Provides
    libpng = 1.6.6-4.1
    libpng16-16 = 1.6.6-4.1
    libpng16-16(x86-32) = 1.6.6-4.1
    libpng16.so.16
    libpng16.so.16(PNG16_0)

guest@porteus:~$ rpm2txz p10/Por/var/slackyd/libpng16-16-1.6.6-4.1.i586.rpm 

Slackware package maker, version 3.14159.

Searching for symbolic links:
usr/lib/libpng16.so.16 -> libpng16.so.16.6.0

Making symbolic link creation script:
( cd usr/lib ; rm -rf libpng16.so.16 )
( cd usr/lib ; ln -sf libpng16.so.16.6.0 libpng16.so.16 )

Slackware package /home/guest/libpng16-16-1.6.6-4.1.i586.txz created.

Create Module

Code: Select all

root@porteus:/home/guest# sh p10/Por/xzmod.sh -q p10/Por/ImMagick/ImgMgk-6.8.9.7_270914 '.' /mnt/sda4/mods

Default Module Name: ImgMgk-6.8.9.7_270914.xzm

Installing to Fakeroot Directory

libpng16-16-1.6.6-4.1.i586:                                              [240K]
libgomp1-4.9.2-0.20140910.3.mga5.i586:                                   [110K]
liblqr-0.4.2-1-i686:                                                     [110K]
WARNING:  Package has not been created with 'makepkg'
libcl-1.1-4-i686:                                                        [30K] 
WARNING:  Package has not been created with 'makepkg'
libltdl-2.4.2-14-i686:                                                   [840K]
WARNING:  Package has not been created with 'makepkg'
lcms2-2.4-i486-1: little cms engine, version 2                           [3.1M]
imagemagick-6.8.9.7-1-i686:                                              [10M] 
WARNING:  Package has not been created with 'makepkg'

Creating Module ImgMgk-6.8.9.7_270914.xzm

Parallel mksquashfs: Using 1 processor
Creating 4.0 filesystem on /mnt/sda4/mods/ImgMgk-6.8.9.7_270914.xzm, block size 262144.
[===========================================================================-] 568/568 100%
Exportable Squashfs 4.0 filesystem, xz compressed, data block size 262144
        compressed data, compressed metadata, compressed fragments, compressed xattrs
        duplicates are removed
Filesystem size 5336.98 Kbytes (5.21 Mbytes)

Verify SymLinks

Code: Select all

root@porteus:/home/guest# mloop /mnt/sda4/mods/ImgMgk-6.8.9.7_270914.xzm 
 Your module has been mounted at: 
/mnt/loop
 Here is a list of the files:
etc  usr  var

guest@porteus:~$ tree -L 2 /mnt/loop/usr/lib
/mnt/loop/usr/lib
├── ImageMagick-6.8.9
│   ├── config-Q16HDRI
│   └── modules-Q16HDRI
├── libMagick++-6.Q16HDRI.so -> libMagick++-6.Q16HDRI.so.5.0.0
├── libMagick++-6.Q16HDRI.so.5 -> libMagick++-6.Q16HDRI.so.5.0.0
├── libMagick++-6.Q16HDRI.so.5.0.0
├── libMagickCore-6.Q16HDRI.so -> libMagickCore-6.Q16HDRI.so.2.0.0
├── libMagickCore-6.Q16HDRI.so.2 -> libMagickCore-6.Q16HDRI.so.2.0.0
├── libMagickCore-6.Q16HDRI.so.2.0.0
├── libMagickWand-6.Q16HDRI.so -> libMagickWand-6.Q16HDRI.so.2.0.0
├── libMagickWand-6.Q16HDRI.so.2 -> libMagickWand-6.Q16HDRI.so.2.0.0
├── libMagickWand-6.Q16HDRI.so.2.0.0
├── libOpenCL.so -> /usr/lib/libOpenCL.so.1
├── libOpenCL.so.1 -> /usr/lib/libOpenCL.so.1.0.0
├── libOpenCL.so.1.0.0
├── libgomp.so.1 -> libgomp.so.1.0.0
├── libgomp.so.1.0.0
├── liblcms2.la
├── liblcms2.so -> liblcms2.so.2.0.4
├── liblcms2.so.2 -> liblcms2.so.2.0.4
├── liblcms2.so.2.0.4
├── liblqr-1.so -> liblqr-1.so.0.3.2
├── liblqr-1.so.0 -> liblqr-1.so.0.3.2
├── liblqr-1.so.0.3.2
├── libltdl.so -> libltdl.so.7.3.0
├── libltdl.so.7 -> libltdl.so.7.3.0
├── libltdl.so.7.3.0
├── libpng16.so.16 -> libpng16.so.16.6.0
├── libpng16.so.16.6.0
...
root@porteus:/home/guest# uloop
/mnt/loop has been unmounted

Activate & Run

Code: Select all

loop11    7:11   0     5M  1 loop /mnt/live/memory/images/flashplayer-plugin-11.2.202.400-i3
loop12    7:12   0   5.2M  1 loop /mnt/live/memory/images/ImgMgk-6.8.9.7_270914.xzm

guest@porteus:~$ display &
[1] 6941
guest@porteus:~$ display: color is not known to server `FOREGROUND': Success @ error/xwindow.c/XGetPixelPacket/3040.
display: color is not known to server `BACKGROUND': Success @ error/xwindow.c/XGetPixelPacket/3052.

[1]+  Done                    display

[francois]

Is it solved?

[Bogomips]

Is it solved?

Good question. Difficulty overcome. But how?