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Install on Ubuntu from .deb files: what changed

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Title: Install on Ubuntu from .deb files

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1+*(Ubuntu only)*
2+
3+**Please See [[Installing Lazarus on Linux]] - a page that covers most of what you need for most Linux Distributions.**
4+
5+This page is substantially out of date and may be removed.
6+
7+## In General
8+
9+### Why install from .debs?
10+
11+The easiest way to install Lazarus on Ubuntu is via the software Centre or Synaptic. However if that is unsuccessful or the version of Lazarus in the repository is too old and you want a newer version then you can 'install from debs'.
12+
13+### .deb files
14+
15+.deb files are the ideal files for installing on Ubuntu. You need to download the Lazarus .deb files you want. They will usually be on SourceForge. There will be a Lazarus .deb and a Free Pascal .deb. They will *match* each other.
16+
17+## In Particular: Lazarus 0.9.30 on Ubuntu 10.04
18+
19+### Get The files
20+
21+<https://sourceforge.net/projects/lazarus/files/>
22+
23+#### Repository
24+
25+The versions in the Ubuntu repository are
26+
27+- Lazarus 0.9.28
28+- Free Pascal 2.4.0
29+
30+These are too old.
31+
32+#### SourceForge
33+
34+The versions on SourceForge are
35+
36+- Lazarus 0.9.30
37+- Free Pascal 2.4.2
38+
39+These are what I want.
40+
41+#### Find SourceForge .deb files
42+
43+The names of the .deb files I need to download are
44+
45+- lazarus-0.9.30-i386.deb.tar (71.1MB)
46+- fpc-2.4.2-0.i386.deb.tar (38.5 MB)
47+
48+You can search for these directly in a Search engine with something like
49+
50+`Lazarus 0.9.30 .deb SourceForge`
51+
52+#### Download and Extract
53+
54+Download these two files. Double click on them and accept the offer to extract.
55+
56+- Extract Free Pascal into folder 'a'
57+- Extract Lazarus in folder 'b'.
58+- Move the folders onto the Desktop
59+
60+#### Inside the folders
61+
62+Once done, there are 21 .deb files in folder a and 12 .deb files in folder b. Two common mistakes when installing Lazarus are
63+
64+- not installing Free Pascal first
65+- not installing Free Pascal source code.
66+
67+However, notice that Free Pascal source code is one of the files in folder a. Therefore, this will NOT need to be downloaded and installed separately.
68+
69+### Install Free Pascal
70+
71+This should be done first.
72+
73+Open a terminal.
74+
75+``` bash
76+cd Desktop
77+cd a
78+dpkg -i *.deb
79+```
80+
81+This last command will install Free Pascal and Free Pascal source code.
82+
83+#### Errors
84+
85+Ideally, everything would run smoothly and the installation would complete without error. However when I did it, there were a number of errors. These errors are sometimes 'show-stoppers' so they should be sorted out if possible. The most common error is a missing dependency, as happened to me.
86+
87+#### Missing Dependencies
88+
89+This means that a package that Lazarus expects to be installed on your system already is not there. The missing packages were:
90+
91+- libgtk2-dev
92+- libogg-dev
93+- libvorbis-dev
94+- libmodplug-dev
95+- a52cat
96+- \+ a few others. If you look through the output in the terminal you will see which packages failed to install and why it was.
97+
98+#### Install missing dependencies
99+
100+Open Synaptic. Search for each of the missing packages and install them.
101+
102+##### a52cat
103+
104+This package is not in the Ubuntu 10.04 repository. We have to leave it and hope for the best.
105+
106+#### Reinstall Free Pascal
107+
108+Repeat the previous installation procedure with: Open a terminal.
109+
110+``` bash
111+cd Desktop
112+cd a
113+dpkg -i *.deb
114+```
115+
116+Free Pascal will now install fairly smoothly.
117+
118+##### fp-units-multimedia
119+
120+Only the multimedia unit will not install. This is due to the missing a52cat package. However it may not be critical.
121+
122+#### Check the installation
123+
124+You can check the Free Pascal installation in three ways:
125+
126+- Run it
127+
128+Open a terminal
129+
130+`fpc`
131+
132+it should open in the terminal.
133+
134+- Look in Synaptic and check that fpc and fpc-src have been installed.
135+- Find the files
136+
137+You can see where the files are stored with
138+
139+``` bash
140+sudo dpkg -L fpc
141+```
142+
143+### Install Lazarus
144+
145+This is similar to Free Pascal
146+
147+Open a terminal.
148+
149+``` bash
150+cd Desktop
151+cd b
152+dpkg -i *.deb
153+```
154+
155+and the installation will proceed.
156+
157+#### Errors
158+
159+An error occurs installing package lcl-qt4-0.9.30.
160+
161+##### lcl-qt4-0.9.30
162+
163+From the terminal output you can see that the unit can not be installed due to a dependency on ... However, if you read the information that appears in Synaptic for this package then it says
164+
165+"Actually this is an empty package but ..."
166+
167+I think we can safely ignore it.
168+
169+#### Test
170+
171+Open Lazarus and try to create a simple 'Hello World' application with a button click. It worked with mine and the installation is complete.
172+
173+##### Check with Synaptic
174+
175+You can check that Lazarus has been installed with Synaptic
176+
177+##### Fix Broken packages
178+
179+Unfortunately, I now have 2 broken packages on my Ubuntu system, fp-multimedia and lcl-qt4. I choose 'Edit/Fix broken Packages and the fp-multimedia unit goes green but the lcl-qt4 package goes bright red - not normally a good sign. However if you select
180+
181+`Apply`
182+
183+then Ubuntu will fix the multimedia package and remove the qt4 package. Everything is then in order.
184+
185+### Final test
186+
187+Create a Hello World application with a button and a label. If this works then things are looking good. Lazarus is installed.
188+
189+## See also
190+
191+- [[Install on Ubuntu]]
192+
193+---
194+*From the Free Pascal wiki, page "Install on Ubuntu from .deb files", as it stood on 2022-06-05 after a change by Malcome, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).*
195+Category: Install
196+Category: Ubuntu

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