On Tue, 16 Feb 2021 03:23:51 +0100, Ralf Mardorf wrote:
>>On 15/02/2021 22:22, M.R.P. zensky via ubuntu-users wrote:
>>> what is a good directory to install programs?
PS: On Linux consider to install your local builds to
> ./configure --prefix=/usr/local
Consider to avoid this on FreeBSD. Even on Linux another common
path for local builds is /opt. When I build local Linux packages, I
sometimes prefer /usr over /usr/local. Without building a package I
recommend to install to /usr/local or /opt.
Since you are unfamilar with building from source, consider to
mention what you want to build and install, since you might risk to
mess up your install. Just imagine you build and overwrite
"libfoo.so.1", while your "libfoo.so.1" isn't patched, but Ubuntu's
"libfoo.so.1" is patched for good reasons. Or you build
"libbar.so.2", but your Ubuntu does require "libbar.so.1". As long
as you keep "libbar.so.1" everything is ok, but if a package gets
replaced and should remove "libbar.so.1" you would break your
Ubuntu install or if you one day would rebuild an Ubuntu package
that should build against "libbar.so.1", you need to check first
against what version libbar.so does link.
Is the source secure? If so, did you check the downloaded source
against a _signed_ checksum (not just a checksum)?
If the software you want to build from source isn't available by
Ubuntu repositories, did you check what's the reason for this.
An example,
https://packages.ubuntu.com/xenial/libwebkitgtk-1.0-0 is available for Ubuntu 16.04 and 18.04, but not for >= 20.04.
There could be different reasons for discontinued or never provided
packages. One reason is security. You shouldn't build vulnerable
software such as this outdated webkit for Ubuntu installs >= 20.04,
instead you should purge it from Ubuntu 16.04 and 18.04 installs.
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