[Fedora-packaging] arched BuildRequires?

Mattias Ellert mattias.ellert at fysast.uu.se
Thu Jun 13 20:44:53 UTC 2013

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

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
checking for main in -ldb_cxx... no
/usr/bin/ld: skipping incompatible /lib/libdb_cxx.so when searching for
/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
error: Bad exit status from /var/tmp/rpm-tmp.YFoBhh (%build)

RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.YFoBhh (%build)

With proper isa in BRs:

BuildRequires:	nss-devel%{?_isa} >= 3.10
BuildRequires:	openssl-devel%{?_isa}
BuildRequires:	cppunit-devel%{?_isa}
BuildRequires:	glibmm24-devel%{?_isa}
BuildRequires:	libdb-cxx-devel%{?_isa}

rpmbuild correctly detects the missing BRs:

error: Failed build dependencies:
	nss-devel(x86-64) >= 3.10 is needed by canl-c++-1.0.0-2.fc18.x86_64
	libdb-cxx-devel(x86-64) is needed by canl-c++-1.0.0-2.fc18.x86_64


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