On Thu, 24 May 2012, Gary Aitken wrote:
1. When building a port, the system uses sysinstall to set options for the
build.
ncurses, not systinstall, but yes.
How does one configure those options so make can be run unattended?
I didn't see anything in the ports documentation, but maybe I'm blind. In
particular, how does one configure a dependent port for the options you want
whenever it is built as part of a higher-level build?
make config-recursive
4. Is there a discussion anywhere of whether or not one should turn on
various optimizations? If these aren't turned on by default, but are safe,
why aren't they the default? Is this a cross-platform build issue, and the
default is to build for cross-platform?
In general, if a port can benefit from certain optimizations, it will
have an option for that. Setting optimizations system-wide breaks that.
And the optimizations that many people try turn out to be detrimental.
5. It looks like the options which show up using sysinstall are from the
OPTIONS variable in the Makefile. Is there any convention for where to find
out more about the option other than the often useless text hint provided in
the menu?
e.g. gvfs has an option called
FUSE Enable fuse
which doesn't say which of the several software systems called FUSE this
refers to
e.g. OPENGL Use OpenGL graphics
doesn't say much about why you would want to do that,
what the opengl option actually does, ramifications,
whether it will help only if your graphics card / driver supports it,
etc.
Mostly you would have to look in the Makefile and possibly in the
application source for these.
Or is this a documentation project in the offing?
Well, there's ports(7), and some related chapters in the Handbook.
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