I tried to find where the fpc.cfg file is located on my Raspbian Jessie system. So I googled and found a number of hits all located on the lazarus forum.
But whatever item I select there is a timeout and it does not appear...
For example this:
https://forum.lazarus.freepascal.org/index.php
and all othergoogle hits targeting specific posts all time out. And using the Google cahched page does not show it either.

So,
can someone here please tell me where I should find the fpc.cfg file. When Lazarus 1.6 starts up it complains about not finding it and suggest that I should point it to the file. But I don't know where...

It's linux - why bother with Google (or Statpage for privacy). Just use

sudo find / -name 'fpc.cfg' -print

or whatever variation you want.

Well, I already tried variations of that and came up empty-handed: ~ $ sudo find / -name 'fpc.cfg' -print
~ $

Any other suggestion?
(What about the lazarus forum?)

The package mlocate contains the locate and updatedb commands, and produces quick results.

I typically use find with grep, though that may be slower. But I have more control of the results.

Cheers,
R0b0t1

Bo Berglund wrote

I tried to find where the fpc.cfg file is located on my Raspbian Jessie system.

fpc -va someunit.pas | grep "fpc.cfg"

or similar

-va means maximum verbose, it will tell you where it searches for the file, and where (if) it found it.

A normal fpc install puts it in /etc/fpc.cfg

How did you install fpc?

Mattias

No problem in reaching the forum here.

Marc

Mattias Gaertner wrote

A normal fpc install puts it in /etc/fpc.cfg

Thanks, that is where I found it now!
I wonder why this did not work before?
sudo find / -name fpc.cfg
Now it does.

Anyway, I could not see anything that would cause lazarus to fail in finding the file. OTOH if Lazarus cannot find the file then there must be something else in error....

How did you install fpc?

Well, this is a long story, I always install from sources and I have a lot of RPi units (7-10) with fpc on some of them but not all. A year ago I was working on a project for remote control using fpc and I think I used this RPi then. But in March the project was put on hold and I stopped using fpc until now when I need to start again. And now I am not 100% sure which Pi I used so I tried starting up Lazarus on one after the other to see which projects were in the recent projects list.
And on this unit Lazarus failed to find the compiler and the fpc sources for some reason.
I get these messages on the Lazartus start dialog box:

Compiler:
File: /home/pi/bin/fpc
Error: system.ppu not found. Check your fpc.cfg <== HERE

FPC Sources:
Directory: /usr/fpc/3.0.0
Warning: Found version 3.0.0, expected 3.0.2
You can download FPC and the FPC sources from.....

So I suspected that the fpc.cfg file contained some bogus info, which I had to edit away, but I had all forgotten where this file was supposed to be...

Note that I normally install using a script which downloads the sources and builds both fpc and lazarus.
It does all of that into /home/pi instead of into the global locations because I want to be able to rebuild both without using sudo.

[...] Anyway, I could not see anything that would cause lazarus to fail in finding the file. OTOH if Lazarus cannot find the file then there must be something else in error....

Posting the exact error messages helps getting help. Lazarus did not complain about finding fpc.cfg.

It can't find system.ppu. Something is wrong with your fpc.cfg or your install of fpc.

Then you should create a /home/pi/.fpc.cfg

Mattias

Hmm, if I use my Win7 laptop with either FireFox or Chrome using the above link then both *never* succeed. Same if I use ping on a command line on my PC towards it:

ping forum.lazarus.freepascal.org

Pinging server.lazarus-ide.org [37.97.187.115] with 32 bytes of data: Request timed out.
Request timed out.

Then tested on an RPi3 unit in my home LAN
$ ping forum.lazarus.freepascal.org
PING server.lazarus-ide.org (37.97.187.115) 56(84) bytes of data. ^C <== Had to break command after 7 minutes
--- server.lazarus-ide.org ping statistics ---
423 packets transmitted, 0 received, 100% packet loss, time 422001ms

So the RPi just hangs there, no feedback or result at all...

Next I connected with PuTTY to an RPi unit on a remote LAN via VPN and tried ping there:

$ ping forum.lazarus.freepascal.org
PING server.lazarus-ide.org (37.97.187.115) 56(84) bytes of data. 64 bytes from server.lazarus-ide.org (37.97.187.115): icmp_seq=1 ttl=46 time=132 ms
64 bytes from server.lazarus-ide.org (37.97.187.115): icmp_seq=2 ttl=46 time=132 ms

HMMM
Next I used my phone connected to my home WiFi, same result: Timeout wile connecting to the forum.

So I shut down WiFi on the phone and tested again using the mobile network: SUCCESS!

It seems like my fiber ISP is blocking the lazarus forums!!!!

I need to talk to them.

Bo Berglund wrote

It seems like my fiber ISP is blocking the lazarus forums!!!! I need to talk to them.

Not the case!
I looked at my ASUS router and it flashed an alert about new firmware, which I installed and now there is no problem accessing the Lazarus forums anymore!

Mattias Gaertner wrote

Then you should create a /home/pi/.fpc.cfg

I used the script commands for the fpc.cfg:
/home/pi/lib/fpc/3.0.2/samplecfg /home/pi/lib/fpc/3.0.2 /home/pi

Followed by
mv /home/pi/fpc.cfg /home/pi/.fpc.cfg

Now I have a hidden cfg file but Lazarus still complains the same when starting up.

I guess I have to start over with FPC on this box. It is a pity though since I know I went to some trouble adding indy and some hardware interfaces (gpio) to it at the time...

Question:
Do I need a different seed compiler than 3.0.0 for the latest fpc?

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R0b0t1 wrote

On Sun, Dec 3, 2017 at 5:29 PM, Bo Berglund via Lazarus wrote:

And will fail. If "find" failed to find anything, locate also will fail.

- --
Cheers,
Carlos E. R.
(from openSUSE 42.2 x86_64 "Malachite" at Telcontar)

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that's not the same command you used before... your previous one had single quotes around the filename whereas this one does not...

Good.

Now I have a hidden cfg file but Lazarus still complains the same when starting up.

The IDE asks the compiler for the unit paths and searches the system.ppu. Please do the same manually:

/path/to/compiler -vt bla | grep 'unit path'

Is the system.ppu in one of these paths?

Building 3.1.1 needs 3.0.4.
Building 3.0.4 needs 3.0.2.

Mattias

Well,
on my RPi3 I used my installation script, which downloads an ARM7 3.0.0 seed compiler from my website. It also gets the sources for FPC 3.0.4 and Lazarus 1.6.4 via svn.
Then it builds both fpc and lazarus.

I had seen the statements about 3.0.4 needing a seed 3.0.2, so that is why I asked. But it turns out that it did not complain about the seed at all, it just built 3.0.4 sucessfully using 3.0.0 and now when I start Lazarus 1.6.4 I get no errors or warnings.