Bug#209130: marked as done (bad build-depends and depends)
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From: Santiago Garcia Mantinan <manty@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: bad build-depends and depends
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Date: Mon, 08 Sep 2003 00:06:40 +0200
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Package: pwlib
Version: 1.5.2-1
Severity: important
Tags: sid
Hi!
I've been trying to build ohphone and other programs against the new libs
and after finding some problems with dependencies I have looked to
autobuilder results and results compiling the libs under a clean environment
like the one provided by pbuilder and found several weirdness that results
in problems when building other packages against this libs.
These are the dependencies of the uploaded libpt package:
Depends: libc6 (>= 2.3.2-1), libexpat1 (>= 1.95.6), libgcc1 (>= 1:3.3.1-1),
libldap2 (>= 2.1.17-1), libsdl1.2debian (>> 1.2.5-0), libssl0.9.7,
libstdc++5 (>= 1:3.3.1-1)
These are the ones of the libpts uploaded by the autobuilders:
Depends: libc6 (>= 2.3.2-1), libgcc1 (>= 1:3.3.1-1), libssl0.9.7,
libstdc++5 (>= 1:3.3.1-1)
You can see that there are a lot less in the autobuilder's lib, this is
because the uploaded lib was compiled in a system with a lot of lib headers
installed, pwlib detects this headers and builds the libs adding support for
all this stuff.
I don't know if you wanted pwlib to be compiled against all this libs, if
you really wanted it you should add them in the build dependencies.
I think that at least libsdl-dev should be added, it was not needed before,
but now upstream has made changes so that sdl support is included in pwlib
directly, and thus if is not compiled in pwlib, programs like the new
ohphone cannot have sdl support (please comment on what you decide about sdl
as I need to know it for the ohphone package).
There is a weird thing about the sdl support in pwlib, if sdl is compiled
in, then libpt-dev should depend on libsdl-dev, or otherwise programs
including ptclib/vsdl.h get errors like this:
In file included from main.cxx:535:
/usr/include/ptclib/vsdl.h:69:21: SDL/SDL.h: No such file or directory
In file included from main.cxx:535:
/usr/include/ptclib/vsdl.h:81: error: type specifier omitted for parameter `
Uint8'
/usr/include/ptclib/vsdl.h:81: error: syntax error before `*' token
/usr/include/ptclib/vsdl.h:94: error: syntax error before `*' token
/usr/include/ptclib/vsdl.h:96: error: semicolon missing after declaration of `
PSDLVideoFrame'
/usr/include/ptclib/vsdl.h: In member function `unsigned int
PSDLVideoFrame::GetWidth()':
/usr/include/ptclib/vsdl.h:91: error: `width' undeclared (first use this
function)
/usr/include/ptclib/vsdl.h:91: error: (Each undeclared identifier is reported
only once for each function it appears in.)
/usr/include/ptclib/vsdl.h: In member function `unsigned int
PSDLVideoFrame::GetHeight()':
/usr/include/ptclib/vsdl.h:92: error: `height' undeclared (first use this
function)
/usr/include/ptclib/vsdl.h: At global scope:
/usr/include/ptclib/vsdl.h:96: error: two or more data types in declaration of
`PrintOn'
/usr/include/ptclib/vsdl.h:96: error: non-member function `PSDLVideoFrame
PrintOn(std::ostream&)' cannot have `const' method qualifier
/usr/include/ptclib/vsdl.h:98: error: syntax error before `protected'
/usr/include/ptclib/vsdl.h:101: error: `unsigned int width' used prior to
declaration
/usr/include/ptclib/vsdl.h:102: error: `unsigned int height' used prior to
declaration
/usr/include/ptclib/vsdl.h:104: error: syntax error before `*' token
/usr/include/ptclib/vsdl.h:167: error: syntax error before `*' token
/usr/include/ptclib/vsdl.h:168: error: syntax error before `*' token
/usr/include/ptclib/vsdl.h:169: error: syntax error before `[' token
either that or vsdl.h needs fixing.
There is a problem in the libs build system that is broken upstream, I think
it is related to old libs not being correctly linked, while this libs are
linked ok. The problem is that on programs using the libs build system to
get compiled, like ohphone, openam, ... it adds -l flags for all the libs
that pwlib, and maybe also openh323, was compiled against, this results on
lines like this:
g++ -o obj_linux_x86_r/ohphone -Wl,--gc-sections -s -L/usr/lib -L/usr/lib
./obj_linux_x86_r/main.o ./obj_linux_x86_r/vidlinux.o
./obj_linux_x86_r/xlibvid.o -lopenh323 -lpt -lpthread -llber -lldap
-lldap_r -lssl -lcrypto -lexpat -lSDL -lresolv -ldl
/usr/bin/ld: cannot find -llber
the error here is that most of this -l flags should not be added, at least
not if the program you are compiling doesn't use those libs directly, at
least...
g++ -o obj_linux_x86_r/ohphone -Wl,--gc-sections -s -L/usr/lib -L/usr/lib
./obj_linux_x86_r/main.o ./obj_linux_x86_r/vidlinux.o
./obj_linux_x86_r/xlibvid.o -lopenh323 -lpt
works ok, and "objdump --all-headers obj_linux_x86_r/ohphone |grep NEEDED"
gives this:
NEEDED libopenh323.so.1.12.2
NEEDED libstdc++.so.5
NEEDED libm.so.6
NEEDED libgcc_s.so.1
NEEDED libc.so.6
NEEDED libpt.so.1.5.2
So I believe that all those -l flags appended are not needed, don't you
agree?
Well, I guess I have mixed quite some things in this report, but it all
comes to the dependencies of the libs, not only pwlib but also openh323 and
the dependencies we need for the programs being compiled against them.
I may be wrong on some of this stuff, so I sugest you double check it, and
if you don't understand something (I know my english is awful) or you feel
that info is missing, just ask here or on irc, I'll be around for helping
you in whatever I can.
Regards!
-- System Information:
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux pul 2.4.22 #1 Fri Sep 5 22:48:01 CEST 2003 i686
Locale: LANG=C, LC_CTYPE=C
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Received: (at 209130-done) by bugs.debian.org; 6 Aug 2004 21:03:08 +0000
>From kk@verfaction.de Fri Aug 06 14:03:08 2004
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for 209130-done@bugs.debian.org; Fri, 06 Aug 2004 23:03:03 +0200
From: Kilian Krause <kk@verfaction.de>
To: 209130-done@bugs.debian.org
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Date: Fri, 06 Aug 2004 23:02:58 +0200
Subject: fixed packages in the archives now
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Hi,
as far as we know the current packages do only contain the Build-Depends
and Depends which they should have. Please reopen this bug, in case you
spot something that shouldn't be there.
--=20
Best regards,
Kilian
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