Vine 3.1（９）librpmio の作り直し（４）alternative ？

alternative ？

[root@junk root]# ls -l /usr/bin/cpp
lrwxrwxrwx    1 root     root           21 Nov 30  2003 /usr/bin/cpp -> /etc/alternatives/cpp*
[root@junk root]# ls -l /etc/alternatives/cpp
lrwxrwxrwx    1 root     root           18 Dec 15 10:00 /etc/alternatives/cpp -> /usr/bin/cpp-3.3.2*
[root@junk root]# ls -l /usr/bin/cpp-3.3.2
-rwxr-xr-x    1 root     root        93802 May 27  2004 /usr/bin/cpp-3.3.2*
[root@junk root]#

apt-cache で見てみた。

[root@junk root]# apt-cache search cpp
gc - C++ Garbage Collector
gcc-cpp - The C Preprocessor.
gcc-docs - Documents (info, man) of GNU Compiler Collection
libstdc++3 - GNU Standard C++ Library
cppunit - C++ Port of JUnit Testing Framework
gcc295 - GNU Compiler Collection - Core package including C compiler
gcc295-cpp - GNU Compiler Collection - The C Preprocessor.
kdesdk - The KDE Software Development Kit (SDK)
kdevelop - Integrated Development Environment for C++/C
openoffice.org-libs - OpenOffice.org shared libraries
qt-designer - Interface designer (IDE) for the Qt toolkit
[root@junk root]#

gcc295-cpp のインストール

[root@junk root]# apt-get install gcc295-cpp
Reading Package Lists... Done
Building Dependency Tree... Done
The following NEW packages will be installed:
  gcc295-cpp
0 upgraded, 1 newly installed, 0 removed and 1 not upgraded.
Need to get 143kB of archives.
After unpacking 398kB of additional disk space will be used.
Get:1 http://updates.vinelinux.org 3.1/i386/plus gcc295-cpp 2.95.3-2vl24 [143kB]
Fetched 143kB in 0s (200kB/s)
Committing changes...
Preparing...                ########################################### [100%]
   1:gcc295-cpp             ########################################### [100%]
error: cannot open Installtid index using db3 - No such file or directory (2)
error: cannot open Sigmd5 index using db3 - No such file or directory (2)
error: cannot open Sha1header index using db3 - No such file or directory (2)
Done.

cpp-2.95.3 を使えるようにする

[root@junk root]# /sbin/update-alternatives --list cpp
/usr/bin/cpp-2.95.3
/usr/bin/cpp-3.3.2
[root@junk root]# /sbin/update-alternatives --set cpp /usr/bin/cpp-2.95.3
Using `/usr/bin/cpp-2.95.3' to provide `cpp'.
[root@junk root]# /sbin/update-alternatives --display cpp
cpp - status is manual.
 link currently points to /usr/bin/cpp-2.95.3
/usr/bin/cpp-2.95.3 - priority 15
 slave libcpp: /usr/bin/cpp-2.95.3
/usr/bin/cpp-3.3.2 - priority 30
 slave libcpp: /usr/bin/cpp-3.3.2
Current `best' version is /usr/bin/cpp-3.3.2.
[root@junk root]#

rpm の rebuild

[yasunari@junk yasunari]$ rpm --rebuild rpm-4.0.5-1vl8.src.rpm
Installing rpm-4.0.5-1vl8.src.rpm
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.80114
+ umask 022
+ cd /home/yamasita/yasunari/rpm/BUILD
+ cd /home/yamasita/yasunari/rpm/BUILD
	:
	:
checking how to run the C++ preprocessor... /lib/cpp
checking for g77... no

	:
	:
Executing(--clean): /bin/sh -e /var/tmp/rpm-tmp.53039
+ umask 022
+ cd /home/yamasita/yasunari/rpm/BUILD
+ rm -rf rpm-4.0.5
+ exit 0
[yasunari@junk yasunari]$

Celeron 500MHz で約２５分。玄箱だとどのぐらいかかるやら。

念のため、確認

[root@junk i386]# rpm -ivh --force rpm-4.0.5-1vl8.i386.rpm
Preparing...                ########################################### [100%]
   1:rpm                    ########################################### [100%]
[root@junk i386]#
[root@junk i386]# rpm
RPM version 4.0.5
Copyright (C) 1998-2000 - Red Hat, Inc.
This program may be freely redistributed under the terms of the GNU GPL

Usage: rpm {--help}
       rpm {--version}
[root@junk i386]# rpm -q rpm
rpm-4.0.5-1vl8