I am running mate as the desktop environment which may account for a
greater than normal memory usage than the default Raspbian environment,
though it's not too much more.
I will say this though, increasing the swap file from the default of 100MB
to 1024MB seems to alleviate the problem.
--
Calling the compiler directly works on most any project/program. I am not
sure how to build Lazarus (with my preferred packages) using lazbuild or
fpc. The "make useride" command fails exactly like I described in my
original post. As a side note, I am able to have GPU memory set to 128MB or
more
I believe this problem effects a lot of people using the Raspberry Pi, and
possibly other platforms as well.
The problem:
Recently I been using "make all" on Lazarus sources, or trying to rebuild
the IDE, such as when installing or removing packages, and experiencing
build fails.
This will
I thought this was newsworthy and of interest to us:
https://blog.xamarin.com/xamarin-for-all/
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> You'll generally need something like 512Mb of available memory, i.e. RAM
+ swap,
> with the linker in particular benefiting from extra. Around here, I'm
being firmly
> discouraged (by other colleagues with an electronics background) from
putting
> swap on the card, but instead putting it on an
Seeing as how SD CARD space is a premium on the Pi you should probably
clean up after you build and install. This include doing things like this
after make install:
cd $HOME/fpc
rm -rf .svn
find packages -name units | xargs rm -rf {0}
find rtl -name units | xargs rm -rf {0}
find packages -iname
I recorded a very brief video of the performance of Raspberry Pi and
Lazarus is quite usable.
Video here:
http://www.getlazarus.org/setup/raspberry/
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"Here at Gestapo U @ the anti-social faculties witch & warlock, burning &
pilgrimage scramble! scramble! scramble! this is Radio-Freedom's GNU C/C+,
mutiny edition Devkitpro & the NinjaHax::ctrulib latest v1.0.0"
English please. Also, please refrain from linking to content requiring a
Facebook
It would seem the issue is related to running without enough of memory. I
decreased my GPU/RAM split, rebooted to text mode, and "make all"'ed on
Lazarus successfully.
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Has anyone here built Lazarus from SVN sources on the Raspberry Pi 3 yet? I
keep running into various issues. This my latest issue from:
Using a compiler from fpc/branches/fixes_3_0 build with:
make all OPT="-dFPC_ARMHF" && make install PREFIX=$BASE/fpc
And the compiler works fine
svn co
For those of you using Linux with interest in database development here is
some news for you:
Microsoft SQL Server will soon be officially supported on Linux.
https://blogs.microsoft.com/blog/2016/03/07/announcing-sql-server-on-linux/
Microsoft Executive Vide President Scott Gu has been
This is just a heads up to Lazrus/FPC users who are interested in the
Raspberry Pi.
Raspberry Pi is now available. New features include integrated wireless
bluetooth, and a quad-core 64-bit ARM Cortex A53 clocked at 1.2 GHz.
https://www.raspberrypi.org/blog/raspberry-pi-3-on-sale
--
Ondrej, a couple of questions.
Do you plan to tackle the incorrect layout restore problem with docked
layouts? Issue #29200
Do you plan to provide a better default layout, or management of default
layouts? Currently when you install anchor docking the first layout you are
given is essentially
I've wanted this feature for a while. I think adding simple global property
on TToolBar to show/hide captions would suffice.
In the interim here is a workaround, editing the IDE while it's running:
http://cache.getlazarus.org/videos/small-toolbars.mp4
Graeme:
I often post video recordings of
> Skepticism: what software became better after acquisition by Microsoft?
Flight Simulator
Direct3D
Halo
All game related.
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I think this is big news and of interest to our community since Xamarin
provides a cross platform IDE + Tookit. Also, of all the other (than
Delphi/Free Pascal) languages out there I feel C# is the next most
acceptable with proper PME/generics/other stuff.
Doh-oh,
I posted the correction but have no idea how long AWS CloudFront takes to
propagate changes. I was just using plain old S3, but I turned on
CloudFront earlier tonight because I read they give you 50 gigs of transfer
free every month.
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I've published a new video in my tutorial series. This new video serves as
an introduction the Lazarus IDE for the uninitiated. Feel free to post this
link to other websites. I'm hoping it reaches people who haven't given the
idea of development with Lazarus its due consideration.
Dmitry, I have a friend who is a television news talent reading my scripts.
My reading voice sounds like this:
http://cache.getlazarus.org/audio/sysrpl.m4a
My friend does a better job and it only takes him a few minutes to record
stuff. Plus he has a way better microphone.
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I was looking at the code. There might not be an easy solution but the
docked designer really needs to support this feature. Can you point out
where in the package you are picking the class for and then creating the
docked design control?
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There is a problem with the Sparta docked form designer and inherited
forms. Since some of you might not know you can easily register custom
inherited forms with Lazarus I made a brief video going over the problem:
http://cache.getlazarus.org/videos/docked-designer-issue.mp4
I am producing a few
Michael, I submitted TSimpleThread to mantis. It's filed under issue #29597.
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I've posted a tutorial video, which is the first in a series, titled
"Getting Started". It's available for viewing here:
http://www.getlazarus.org/learn/tutorials/start/
Additional tutorial videos with progressively more advanced subject matter
will be posted to the tutorials section regularly.
Dang it. Correction coming pronto.
On Mon, Feb 1, 2016 at 5:59 AM, Mattias Gaertner <nc-gaert...@netcologne.de>
wrote:
> On Mon, 1 Feb 2016 05:43:15 -0500
> Anthony Walter <sys...@gmail.com> wrote:
>
> > I've posted a tutorial video, which is the first in a series,
Michael, if you or anyone with commit rights feels comfortable adding a
derived thread class (TSimpleThread) with the features I've described to
the classes unit, then I'll post my implementation to mantis as a patch.
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Michael,
My implementation adds an optional Status property to a thread, which then
necessitates an instance. When Status is written (that's the optional part)
in a background thread its value is copied temporarily to a private field,
then the thread invokes Synchronize. Before your status
Fixed. Thanks for catching that. :)
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Just a bit of information, my Cross.Codebot library has threading built in
to the socket protocol implementations, so with regards to explaining it I
could just show the source code or I could write it a again just to
demonstrate.
With regards to complexity, I never define a new thread class,
Sven,
What's the current road map look like for closures? Is it even on the
radar? If so, and if no major work has been done on it yet, an improved
syntax would go a long way in usability.
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Thanks for the idea Bo. I'll put it near the top of my queue.
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This is just a heads up to anyone interested. As you know a few months ago
I created a new documentation site at http://docs.getlazarus.org that
improves the help system for Free Pascal and Lazarus.
Continuing along the same vein I've started work on a new series of Free
Pascal and Lazarus pages
Noted. I might add that as a beginning level video tutorial. Right now I am
writing javascript canvas code to convert text to lexical diagrams and
slicing a screen shot of the IDE for a visual popover guide,
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In "Tools > Options" check that "Environment > Compiler Executable" points
to the full fpc path. Also make sure you launch Lazarus using
"lazarus.desktop" file and you're not just double clicking on the lazarus
executable file in the lazarus folder. Use "ls" in a terminal to see the
actual file
Okay Don a new Pi bundle has been uploaded which fixes the rebuild IDE
problem you experienced. Just run setup.sh again to update.
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Sandro,
If you're using my bundles and you want more packages, just use the
"Packages > Install/Uninstall Packages" menu item, choose any of the
packages you want, then click "Save and rebuild IDE".
If the package you want to install isn't in the "Install/Uninstall
Packages" list, then use the
Petr,
I'm unsure when or if the official Lazarus builds will include anchor
docking and the docked form designer installed and arranged ergonomically.
These are additional packages which users are supposed to know about and
install themselves. There is also the of issue that there is no default
Don, you should probably take this to the forums at
http://www.getlazarus.org/forums/viewforum.php?f=22
But to answer your question, in order to reduce the total install size of
Raspberry Pi I've removed many fpc packages which do not fall under the
domain of the rtl or fcl. I know for a lot of
Mattias,
I am pretty sure the problem is I removed a few files I shouldn't have
while attempting to reduce the total install size for Pi. I'll issue a post
an updated Pi bundle in a few hours (later tonight).
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Okay Don, that's a valid problem.
I'll look into it and reissue a new bundle for the Pi. I may have been
overzealous in removing files from the lazarus folder to squeeze down the
size. I'll message you when it's fixed and tested. You'll just need to
rerun the setup script and give it the same
I've posted new installer for Free Pascal and Lazarus at getlazarus.org.
Here is an overview of the what's new:
Video:
http://www.getlazarus.org/new/
Changes include:
A new Lazarus layout with the component pallet removed and coolbar buttons
in its place. The a docked form designer is now the
I am having a problem on multiple machines with the free pascal SVN server.
When executing a full checkout with a revision number the SVN connection is
failing after an arbitrary amount of time.
svn: E000104: Error retrieving REPORT: Connection reset by peer
What's the deal? Is anyone else able
Maciej, that fixed it. Thank you :)
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While trying to "make all" of fpc on Window I am receiving and error on:
make -C packages clean
The error message is:
make[2]: *** No rule to make target `clean'. Stop.
Here is the more output in context:
C:/Development/build/fpc.3.0.0/bin/i386-win32/rm.exe -f fpcmade.i386-win32
Package.fpc
I agree with Ondrej. I will be always be using docking using both anchor
docking and the docked designer. I suspect most others people will as well,
given that they're available and function correctly. Personally, I prefer
to have the message window and search results docked at the bottom all the
At a minimum for lcl graphics form applications you need the lcl and
lazbuild installed, as well as a valid set of config files, all of which
are included with Lazarus. If you want to build just using fpc, then you'll
need to gather at least those pieces together, and the easiest way to do
that is
Problem: On Macintosh the anchor docking system doesn't provide a preview
window, making arranging docked layouts on OSX cumbersome to say the least.
I think this issue is going to become more important as work progresses on
anchor docking and the sparta docked form designer.
Video detailing my
On a programming web forum someone said regarding Lazarus:
On just cursory review, looks compelling. However, I get so little call
these days for native/desktop applications. Seems everyone wants web now.
I replied:
I agree that web applications are far superior in many situations. Compared
to
+1 On security considerations.
I forget to mention that. Installing software on Windows has gotten so bad
with so many download sites or software producers bundling adware, or even
spyway and malware. Microsoft themselves seem to have thrown in the towel
with Windows 10, packing in key logging,
Petr,
I've been trying help to fix up the docked form designer, and also the new
menu editor. I think once a few more issues are fixed it'll be the best
Lazarus configuration IMO. That is, having anchor docking installed so that
IDE windows can be docked, and a docked form designer for the form
I put together a tool which some of you might find helpful either in
developing the Lazarus IDE or your own applications.
http://www.getlazarus.org/apps/appexplore/
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Howard, good job on the new menu designer. It's working very nicely right
now. I'll take a look at modifying TShadowMenu to be a scrolling control
without the need for a TScrollBox.
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In my opinion the top one is kind of terrible. Just look at this video:
http://cache.getlazarus.org/videos/menu-arrows.mp4
No matter where I click it always shows the same pattern: ugly blue check
board below, ugly aliased triangles to the right.
I can tell the item is going to be inserted
I say no to the modal startup dialog as well. It really doesn't work
(click) for me.
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The point is, on a TPopupMenu if the pattern to the right is always alias
arrows, and the pattern below is always check board, then it's entirely
superfluous, nonessential, redundant, and unneeded.
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On my system suddenly all is well with the new menu editor. Nice work :)
The docked form designer still has the issue where it's not being
realigned/repainted when a TMainMenu is placed on it. Issue 29370.
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I Delphi at least if you create a component with AOwner set to nil it
actually (tested under Delphi 7 at least) would set the Owner to
Application.
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Very nice. I like the new design.
Side note: Who wrote that FScroller for the new menu editor? It acts very
erratic for me on Gtk2. I don't know about on other widget sets. See
issue 29369. Why not use TScrollBox or make TShadowMenu a
TScrollingWinControl?
--
Bart: Not really. When you free a component it's removed from the owner's
list.
Others: If I can dig up my D7 SE installer I'll attempt to verify. I
distinctly remember being surprised at this behavior in D5 1999, but I
could be mis-remembering.
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This is a portion of my old Windows only Delphi library for shell controls:
http://cache.getlazarus.org/videos/shellctrls-delphi.mp4
The manual:
http://www.codebot.org/shell/
Does anyone have any interested taking the library it over and bringing it
into Lazarus? Obviously it would still be
Fixed. I was going to file a report+fix earlier but I had to take a break
for the Redskins game :( the frowny face is for their loss
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In the image below, which style do you prefer. The top or bottom?
http://cache.getlazarus.org/images/menu-patterns.gif
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Relevant link:
http://www.codebot.org/delphi/?doc=9579
I've been submitting few patches the past few days and am considering
submitting a few more complex fixes, mostly having to do with the new
docked form editor and the new menu editor.
As I get more involved I am trying to figure out which
> Napoleon conquered the world some 200 years ago. That is long enough as
nobody seems to have strong negative association with his actions
Follow this link if you want to see why WW2, and by extension the people
who created it and the symbols they used, is such a big deal:
> Napoleon conquered the world some 200 years ago. That is long enough as
nobody seems to have strong negative association with his actions
Napoleon didn't try to exterminate a race of people by cooking 6 million of
them in factory ovens 24/7.
Europe has long a history of anti semitism,
There are many versions of the religious swastika symbol, but is only one
version of the swastika is draw with the squared capped leaves and a stroke
width exactly equal to 1/5th of the linear diameter. Guess which one the
lcl function draws?
http://cache.getlazarus.org/images/nazi_symbol.png
Gordon thanks for the zypper package names. I may incorporate them into the
install script sometime in the future.
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Regarding a patch, can whomever creates/applies it insure the PaintSwastika
procedure does not default to the Nazi symbol characteristics?
That is don't default the leaf widths to 1/5th the linear width (The Nazi
version is the only swastika with those proportions. Please don't default
to the
Josef, I am the maintainer of http://www.getlazarus.org.
Unfortunately each Linux distribution can use different package names for
their distribution when compared to other distributions (eg. Redhat,
Debian, Suse). There is no Linux standard for either a universal package
management system or
Here is the relevant mantis configuration setting:
https://www.mantisbt.org/forums/viewtopic.php?f=3=6069#p14718
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Can someone change the mantis bug tracker attachment settings such that
image attachments can be viewed in the browser?
Currently when you click an image attached to an issue it downloads the
attachment as a file rather than just opening the image in the browser.
This then necessitates several
While browsing the docs I found:
http://docs.getlazarus.org/#lcl+extgraphics+paintswastika
Do we really need this procedure in the lcl? I think it should probably be
removed. If anyone wants to see the details of when it was committed to
svn, the inserted revision number is 9692.
--
Don,
Regarding a script to setup FPC 3.0.0 and Lazarus on a virgin Pi, you might
want to try my Pi installer script at this location:
http://www.getlazarus.org/setup/?download#raspberry_pi
The script doesn't require super user rights, it asks where you want to put
FPC 3.0.0 and Lazarus (recent
Ondrej has been rapidly fixing issues in mantis and noted that there are
problems with the new menu designer and the docked form designer.
http://mantis.freepascal.org/view.php?id=29328
While testing I noticed a few design issues with the new menu editor which
apparently isn't working nicely
Thanks, I'll test it out.
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Howard,
Thanks for your work on the new menu designer, and also thanks in advance
for taking a look at it with the docked form designer installed. If you
have svn access and need anything tested let me know.
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Michael,
Regarding select into, it is needed because many times you select into in
order to create a table without needing to define it. This is especially
useful and perhaps almost necessary when creating temporary tables to
cache/persists a result for a session. When I do work processing huge
Ondrej,
I noticed you closed out a lot of issues related to the docked form
designer recently. I just wanted to say thank you for your work and note to
all that Ondrej's work has greatly increased the usability of the docked
form designer.
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Michael,
Thanks for the changes. I am checking them out and will create a new build
to test the changes. If it works I may contribute a few changes to improve
usability such as a connection wizard or some other dialog to guide first
time users in creating/configuring a database connection. I know
Sven,
>> I don't see MSSQL support. I don't want to setup ODBC DSNs,
> It *does* support MSSQL. It supports all databases that FPC supports.
On my system LazDataDesktop does not show MSSQL as an option:
http://cache.getlazarus.org/images/where-is-mssql.png
--
Michael,
Just FYI currently there is no "fpddmssql.pp" (the dd is for data
dictionary I suppose) so no, it's not as easy as just adding a unit name to
the project source. New units must be created and a register function must
be create for mssql to appear in the connections list.
And as far as
Michael,
I checked out the lasted code from
svn/fpc/trunk/packages/fcl-db/src/datadict and
svn/lazarus/trunk/tools/lazdatadesktop.
Everything builds fine and it looks/works a lot better. Although I can now
connect to a remote mssql server, I found some problems with the "Run
query".
Here is a
A few months ago I was trying to find a workable Microsoft SQL Server
client/editor on Linux and couldn't find anything decent in the FOSS zone.
I ended up writing my own simple SQL client/editor:
http://cache.getlazarus.org/images/sqlclient.png
The basic functionality is/was:
Connect to a
K.P.,
Being able to connect to MSSL from Linux is kinda of the point. Installing
Wine + setup or configuration of ODBC DSN configuration files and or
drivers just to run a SQL client+editor kinda files into the "require a
whole lot of extras" category.
--
Michael,
I don't want a "visual" table builder and I'm unsure how many others do.
All I want is something to connect me to a database engine where I can then
execute bits of SQL (it executes what you highlight), which is what my
program does.
Lazarus database desktop seems geared towards
Mark,
I apologize if I was unclear. I didn't mean to imply some kind of SQL
editor which can convert between various SQL dialects (T-SQL -> ?). I want
something with a good syntax highlight editor (with block indent/mouse
selection, and so on) which allows me to execute the SQL that is
Ondrej,
The old menu designer was stay on top as well. Stay on top is needed
because the a menu designer is typically a separate non docking window (a
dialog). For all users menu editing invariably consists of:
1. Creating a menu (or sub menu) item using the menu editor dialog
2. Then editing
Don, stop beating your head please:
http://www.getlazarus.org/setup/?download#raspberry_pi
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I am wondering, is it possible to configure Lazarus to compile a project on
a remote computer running a different platform/architecture through ssh?
I've been doing Lazarus development on Linux on a quad core amd64 desktop
PC for a while now and it feels comfortable. But I do have a few arm6/7
Thanks everyone for your replies.
Regarding cross compilation, my code contains a sections linking to the
broadcom driver and several other files (a whole slew of different vchi
modules), which in turns links to many other files. For cross compile to
work I would need to find all the required
Donald, if all you want is a minimal FPC 3.0.0 for the Pi, I suggest you
use my minimal installers from http://www.getlazarus.org
The minimal version weights in at 40MB and includes the compiler, a few
tools like the console "fp" ide, and the rtl (no fcl, no lcl). I also
includes a fpc terminal
Don, thanks for the interest. I'm currently using a trunk revision. When
1.6 is final, I'll switch it to that.
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Yeah, all my code requires FPC 3 or greater. You should have gotten an
error message in codebot.inc when you try to use FPC 2.6.4.
{$if fpc_fullversion < 3}
'This library requires the free pascal 3 or greater'
{$endif}
If you want to use more recent versions, the FPC and Lazarus bundles from
Can you give me information on your FPC version?
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I've created two new bugs related to anchordocking and the "Manage
desktops" dialog.
Desktop manager restore incorrect docked layouts
http://bugs.freepascal.org/view.php?id=29200
(This issue can sometimes crash Lazarus)
Docked windows renamed when saving desktops
OP said: So I went to use GetLazarus version, it is good but have many bugs
because of its docking system and it will always be cropped
I just want to point out that's there exists a *method to turn off* "have
many bugs because of its docking system and it will always be cropped"
>From within
I updated the previously mentioned issue with information from gdb.
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I don't know if this has been reported, but on several Lazarus
installations I get a "Division by zero" exception when using the "Manage
desktops" dialog, located under the "Tools -> Desktops ..." menu. On some
systems the error is reported as a floating point exception and crashes
Lazarus
I am not sure how to backtrace on mantis, but here is the bug report I
submitted. Maybe you can 1.6 RC tag it for me.
http://bugs.freepascal.org/view.php?id=29178
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Okay, after some research I found an easy way to fix the problem. I thought
this might be useful to others.
You can easily define your own styles and change theme for Gtk2. Just
create a files called ~/.gtkrc-2.0 and put whatever settings you prefer
into it. For example to change the default font
Mattias, when I changed the Raspbian fonts (specifically the sizes) using
the Raspbian tools the IDE font sizes do not reflect that change. I tried
rebooting and the Lazarus fonts sizes are unchanged. I rebuilt Lazarus and
the font sizes are unchanged.
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