[Fedora-packaging] arched BuildRequires?

[Björn Esser]

Am Donnerstag, den 13.06.2013, 22:44 +0200 schrieb Mattias Ellert:
> tor 2013-06-13 klockan 19:20 +0200 skrev Björn Esser:
> 
> > What will break the spec by removing _isa-macro from BRs?  Is there any
> > PROVEN reason for this?  I'm NOT talking about the final-Requires in
> > spec.
> 
> It is VERY EASY to construct such an example.
> 
> Consider a package containing the following BRs:
> 
> BuildRequires:	nss-devel >= 3.10
> BuildRequires:	openssl-devel
> BuildRequires:	cppunit-devel
> BuildRequires:	glibmm24-devel
> BuildRequires:	libdb-cxx-devel
> 
> All the BRs are satisfied:
> 
> $ rpm -q --whatprovides nss-devel openssl-devel cppunit-devel
> glibmm24-devel libdb-cxx-devel
> nss-devel-3.14.3-2.fc18.i686
> openssl-devel-1.0.1e-4.fc18.x86_64
> cppunit-devel-1.12.1-8.fc18.x86_64
> glibmm24-devel-2.34.1-1.fc18.x86_64
> libdb-cxx-devel-5.3.21-3.fc18.i686
> 
> 
> rpmbuild does not complain about missing BRs, but starts the build:
> 
> Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.5K5NNA
> + umask 022
> .
> .
> .
> checking for NSS... no
> configure: WARNING: Cannot locate nss lib
> configure: Looking for db_cxx.h in standard locations
> checking db_cxx.h usability... yes
> checking db_cxx.h presence... yes
> checking for db_cxx.h... yes
> configure: Looking for libdb_cxx.so or libdb_cxx.dylib in standard
> locations
> checking for main in -ldb_cxx... no
> .
> .
> .
> /usr/bin/ld: skipping incompatible /lib/libdb_cxx.so when searching for
> -ldb_cxx
> /usr/bin/ld: skipping incompatible /usr/lib/libdb_cxx.so when searching
> for -ldb_cxx
> /usr/bin/ld: cannot find -ldb_cxx
> collect2: error: ld returned 1 exit status

So not the spec file is broken, but you actually do not have the libs
needed for linking installed on your local machine... That's all. Just
an improper build-environment.

No more to say about this here... Look at the guidelines:

https://fedoraproject.org/wiki/Packaging:Guidelines#BuildRequires_and_.25.7B_isa.7D

Cheers,
  Björn
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