Hi, I am trying to create a Debian package, i.e. a .deb file, that can install software in Ubuntu. I put a the following files under the build directory:
build_dir/DEBIAN/control - Package configuration build_dir/DEBIAN/md5sums - MD5 checksums of every files to be installed. build_dir/DEBIAN/preinst postinst prerm postrm - Pre/Post installation and pre/post uninstallation scripts. This what I have in the 'control' file ===== Package: test-package Version: 1.0.0 Architecture: amd64 Pre-Depends: coreutils, libicu60, libfontconfig1, firewalld, unzip, zip, curl, lapache2, apache2-bin ====== I thought packages listed in Pre-Depends field of a control file are supposed to be installed by the system before it process the package itself, according to this document: https://www.debian.org/doc/debian-policy/ch-relationships.html#binary-dependencies-depends-recommends-suggests-enhances-pre-depends <https://www.debian.org/doc/debian-policy/ch-relationships.html#binary-dependencies-depends-recommends-suggests-enhances-pre-depends> I was able create the package with 'dpkg-deb --build build_dir' command successfully, however I got the following dependency errors when I tried to install the package in an Ubuntu server =========== $ sudo dpkg -i test-package_1.0.0_amd64.deb [sudo] password for tester dpkg: regarding test-package_1.0.0_amd64.deb containing test-package, pre-dependency problem: test-package pre-depends on libfontconfig1 libfontconfig1 is not installed. dpkg: error processing archive test-package_1.0.0_amd64.deb (--install): pre-dependency problem - not installing test-package Errors were encountered while processing: test-package_1.0.0_amd64.deb ============= I got the following errors if I changed Pre-Depends to Depends in 'control' =============== $ sudo dpkg -i test-package_1.0.0_amd64.deb Selecting previously unselected package test-package. (Reading database ... 102747 files and directories currently installed.) Preparing to unpack test-package_1.0.0_amd64.deb ... Unpacking test-package (1.0.0) ... dpkg: dependency problems prevent configuration of test-package test-package depends on libfontconfig1; however: Package libfontconfig1 is not installed. test-package depends on firewalld; however: Package firewalld is not installed. test-package depends on apache2; however: Package apache2 is not installed. test-package depends on apache2-bin; however: Package apache2-bin is not installed. dpkg: error processing package test-package (--install): dependency problems - leaving unconfigured Errors were encountered while processing: test-package ============== Isn't the 'Pre-Depends' field in the 'control' file equivalent to the 'Requires' directive in a RPM specification file? How can I get the 'dpkg' command to install the prerequisites before it unpack and install my package? Any help is appreciated. Alex
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