Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Bo Berglund]

On Fri, 18 Dec 2015 21:48:07 +0100, Mattias Gaertner
 wrote:

>> Should another command be issued in order to get stuff loaded into
>> /usr/lib/fpc/3.0.0?
>
>PREFIX=/usr
>

Thanks a bunch!
I just knew there would be something simple that I had wrong!
Now started the lazarus RC1 build and it works just fine! :)

The PREFIX=/usr/local came from a cookbook webpage I have used to
install trunk before and it did work then for some reason.

Additional question:

Is the command:
sudo make install sourceinstall OPT=-dFPC_ARMHF PREFIX=/usr

really needed after the "make all" and "sudo make install ..." have
been executed?

I skipped this step now after changing PREFIX and the Lazarus compile
just runs anyway.


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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Koenraad Lelong]

Op 17-12-15 om 18:17 schreef Mark Morgan Lloyd:

Koenraad Lelong wrote:

Op 17-12-15 om 11:36 schreef Mark Morgan Lloyd:

$ fpc -iV
3.0.0
# Unpack 1.6RC1, rename directory to lazarus-1.6.0+3.0.0
$ cd lazarus-1.6.0+3.0.0
$ make bigide
..
make[1]: Leaving directory ...
lazarus-1.6.0+3.0.0/components/chmhelp/lhelp'

The result runs, including on Raspbian Jessie's GTK2. The only obvious
thing that I'd fault is that the lazarus binary (i.e. specifically
referring to the IDE) is poor at handling --help and --version. However


Hi,

I tried what you said. Lazarus runs indeed, but can't compile a
existing project.
I get an error stating fpcres could not be found. When I run fpcres on
the command-line it starts and gives some output.

I also can't compile lazarus itself (e.g. after adding packages). I
also get the error that fpcres can not be found.

Am I missing something ?


I know this sounds silly, but check fpcres is on the path. My experience
it that for Lazarus it's the only program that's needed apart from fpc
and ppcarm etc.


Hi,

Like I said, when I run fpcres on the commandline, it works :
pi@raspberrypi ~ $ fpcres
fpcres - resource file converter, version 2.0 [2015/12/06], FPC 3.0.0
Host platform: Linux - arm
Copyright (c) 2008 by Giulio Bernardi.
Syntax: fpcres [options]  [...] [-o ]
...
pi@raspberrypi ~ $ which fpcres
/home/pi/bin/fpcres

I downloaded fpc from somewhere (I can't find where from at the moment) 
and installed it in a non-previleged place (/home/pi/fpc-3.0.0). Then I 
made symbolic links in /home/pi/bin and set the PATH to include 
/home/pi/bin.


Koenraad


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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Mark Morgan Lloyd]

Alfred wrote:

In my experience, fpres fails also due to lack of memory !

Just increase your swapsize with 500MB, and try again.
Saved me many times.
(normally, I use cross-compile ... also saves lots of time ... )


Doing just about anything with Lazarus- particularly a (re)build- has 
required something like 512Mb RAM+swap for a long time.


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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Koenraad Lelong]

Op 18-12-15 om 11:41 schreef Alfred:

In my experience, fpres fails also due to lack of memory !

Just increase your swapsize with 500MB, and try again.
Saved me many times.
(normally, I use cross-compile ... also saves lots of time ... )


Hi,

You seem to be right. I added swap, now I can compile an existing project.

Many thanks.

Koenraad.


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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Bo Berglund]

On Thu, 17 Dec 2015 00:52:40 +0100, Mattias Gaertner
 wrote:

>process.ppu is part of every FPC install.
>It must be in the -Fu search path of your /etc/fpc.cfg.

>From the fpc.cfg file (actually symlinked to fpc-2.6.4.cfg):

# searchpath for units and other system dependent things
-Fu/usr/lib/fpc/$fpcversion/units/$fpctarget
-Fu/usr/lib/fpc/$fpcversion/units/$fpctarget/*
-Fu/usr/lib/fpc/$fpcversion/units/$fpctarget/rtl

So for fpc 3.0.0 there should be a directory:
/usr/lib/fpc/3.0.0/units/arm-linux

But there is not! So here is the mystery:
I installed fpc 3.0.0 but it obviously did not create the needed
directory for the fpc units

Now looking back using the history command to verify how I actually
installed fpc 3.0 I found this:

cd /home/pi/development/fpc
time svn co http://svn.freepascal.org/svn/fpc/tags/release_3_0_0 3.0.0
cd 3.0.0/
make all OPT=-dFPC_ARMHF   
sudo make install OPT=-dFPC_ARMHF PREFIX=/usr/local
sudo make install sourceinstall OPT=-dFPC_ARMHF PREFIX=/usr/local  

Should another command be issued in order to get stuff loaded into
/usr/lib/fpc/3.0.0?


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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Mattias Gaertner]

On Fri, 18 Dec 2015 21:30:39 +0100
Bo Berglund  wrote:

>[...]
> # searchpath for units and other system dependent things
> -Fu/usr/lib/fpc/$fpcversion/units/$fpctarget
>[...]
> sudo make install OPT=-dFPC_ARMHF PREFIX=/usr/local
>[...]
> Should another command be issued in order to get stuff loaded into
> /usr/lib/fpc/3.0.0?

PREFIX=/usr

Mattias

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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Mark Morgan Lloyd]

Mattias Gaertner wrote:

On Wed, 16 Dec 2015 22:48:02 +0100
Bo Berglund  wrote:


[...]

Fatal: (10022) Can't find unit process used by RegisterFCL

Does RegisterFCL work differently on Linux x64 than on Linux ARM?


No.

 

By the way I found a process.pp file in the fpc 3.0.0 sources:
packages/fcl-process/src/process.pp


You should have a process.ppu in your FPC install directory.

 

Maybe the lazarus "make bigide" does not search the correct directory
so it misses this on an ARM platform? Just guessing now of course...


process.ppu is part of every FPC install.
It must be in the -Fu search path of your /etc/fpc.cfg.


$ fpc -iV
3.0.0
# Unpack 1.6RC1, rename directory to lazarus-1.6.0+3.0.0
$ cd lazarus-1.6.0+3.0.0
$ make bigide
..
make[1]: Leaving directory ... lazarus-1.6.0+3.0.0/components/chmhelp/lhelp'

The result runs, including on Raspbian Jessie's GTK2. The only obvious 
thing that I'd fault is that the lazarus binary (i.e. specifically 
referring to the IDE) is poor at handling --help and --version. However


$ ./lazbuild --version
1.6RC1

works as expected.

So if an inexperienced twit like me can get it running, and can 
successfully maintain multiple versions of FPC and Lazarus including 
different combinations of compiler and IDE, why can't anybody?


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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Koenraad Lelong]

Op 17-12-15 om 11:36 schreef Mark Morgan Lloyd:

$ fpc -iV
3.0.0
# Unpack 1.6RC1, rename directory to lazarus-1.6.0+3.0.0
$ cd lazarus-1.6.0+3.0.0
$ make bigide
..
make[1]: Leaving directory ...
lazarus-1.6.0+3.0.0/components/chmhelp/lhelp'

The result runs, including on Raspbian Jessie's GTK2. The only obvious
thing that I'd fault is that the lazarus binary (i.e. specifically
referring to the IDE) is poor at handling --help and --version. However


Hi,

I tried what you said. Lazarus runs indeed, but can't compile a existing 
project.
I get an error stating fpcres could not be found. When I run fpcres on 
the command-line it starts and gives some output.


I also can't compile lazarus itself (e.g. after adding packages). I also 
get the error that fpcres can not be found.


Am I missing something ?

Koenraad.

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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Mark Morgan Lloyd]

Koenraad Lelong wrote:

Op 17-12-15 om 11:36 schreef Mark Morgan Lloyd:

$ fpc -iV
3.0.0
# Unpack 1.6RC1, rename directory to lazarus-1.6.0+3.0.0
$ cd lazarus-1.6.0+3.0.0
$ make bigide
..
make[1]: Leaving directory ...
lazarus-1.6.0+3.0.0/components/chmhelp/lhelp'

The result runs, including on Raspbian Jessie's GTK2. The only obvious
thing that I'd fault is that the lazarus binary (i.e. specifically
referring to the IDE) is poor at handling --help and --version. However


Hi,

I tried what you said. Lazarus runs indeed, but can't compile a existing 
project.
I get an error stating fpcres could not be found. When I run fpcres on 
the command-line it starts and gives some output.


I also can't compile lazarus itself (e.g. after adding packages). I also 
get the error that fpcres can not be found.


Am I missing something ?


I know this sounds silly, but check fpcres is on the path. My experience 
it that for Lazarus it's the only program that's needed apart from fpc 
and ppcarm etc.


Apart from that... on Raspbian Jessie some projects work and others 
don't. The one I've got here where I can see a problem also fails on 
1.4.4+3.0.0, I think the problem might be when a .lfm is outside the 
normal project directory.


I'm about to take a look at other platforms.

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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Mark Morgan Lloyd]

Mark Morgan Lloyd wrote:

I tried what you said. Lazarus runs indeed, but can't compile a 
existing project.
I get an error stating fpcres could not be found. When I run fpcres on 
the command-line it starts and gives some output.


I also can't compile lazarus itself (e.g. after adding packages). I 
also get the error that fpcres can not be found.


Am I missing something ?


I know this sounds silly, but check fpcres is on the path. My experience 
it that for Lazarus it's the only program that's needed apart from fpc 
and ppcarm etc.


Apart from that... on Raspbian Jessie some projects work and others 
don't. The one I've got here where I can see a problem also fails on 
1.4.4+3.0.0, I think the problem might be when a .lfm is outside the 
normal project directory.


I'm about to take a look at other platforms.


In my case on both armhf and amd64 the problems were caused by a 
lingering {$I ... .lrs } directive. This wouldn't show up if either an 
older Lazarus/FPC combination had recently built the project, or if the 
.lrs file was stored in local Subversion.


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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Mattias Gaertner]

On Wed, 16 Dec 2015 22:48:02 +0100
Bo Berglund  wrote:

>[...]
> >Fatal: (10022) Can't find unit process used by RegisterFCL
> 
> Does RegisterFCL work differently on Linux x64 than on Linux ARM?

No.

 
> By the way I found a process.pp file in the fpc 3.0.0 sources:
> packages/fcl-process/src/process.pp

You should have a process.ppu in your FPC install directory.

 
> Maybe the lazarus "make bigide" does not search the correct directory
> so it misses this on an ARM platform? Just guessing now of course...

process.ppu is part of every FPC install.
It must be in the -Fu search path of your /etc/fpc.cfg.

Mattias

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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Bo Berglund]

On Tue, 15 Dec 2015 21:25:24 +, Mark Morgan Lloyd
 wrote:

>
>Also see Lazarus's --pcp= option. Again, I don't think this is the first 
>time I've pointed you at that.

My issue is not really the --pcp option to separate the lazarus
configs. I have done so already for the older lazarus.

Instead it is about actually being able to build the RC1 lazarus on
the Pi2 using the fpc. I have now tried both the 3.0.0 version and the
older 2.6.4 with the same results. So somehow it seems like there is
something amiss in the lazarus sources, which depend on the platform
it is being compiled for, or else the fpc 3.0.0 installation is
incomplete in some way. Is the process unit part of lazarus code or
fpc code?

Building Lazarus worked fine in the Linux Mint 17.2 virtual machine
but won't work here. Same sources checked out from svn in both cases,
yet there is this error about the missing process unit...
>Fatal: (10022) Can't find unit process used by RegisterFCL

Does RegisterFCL work differently on Linux x64 than on Linux ARM?

By the way I found a process.pp file in the fpc 3.0.0 sources:
packages/fcl-process/src/process.pp

Maybe the lazarus "make bigide" does not search the correct directory
so it misses this on an ARM platform? Just guessing now of course...
 

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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Mattias Gaertner]

On Tue, 15 Dec 2015 16:40:11 +0100
Bo Berglund  wrote:

> On Tue, 15 Dec 2015 15:35:59 +0100, Mattias Gaertner
>  wrote:
> 
> >Check if you have /etc/fpc.cfg. 
> 
> Yes I have.
> In fact I do have several instances of the fpc compiler:
> The 2.6.4 bootstrap compiler
> The 3.0.0 compiler I just built from the release sources
> The 3.1.1 compiler that resulted when I got the trunk sources a month
> or so ago and built it.

Maybe you have too many fpc configs.
Find out what config is used by fpc. For example by compiling an empty
file with -vut.
Then check the -Fu paths in the config.

 
> I also have Lazarus 1.5 and 1.2.4 working on the Pi2 system.
> 
> Now I just wanted to "upgrade" by installing the 1.6RC1 release
> candidate of lazarus  and fpc release 3.0.0 and get them working side
> by side with the existing IDE:s

Should work.

 
> >A "make install" of FPC only installs the files, it does not setup your
> >system to use the new FPC.
> >You need to install a link and create the /etc/fpc.cfg.
> >To get an idea search for "samplecfg" on
> >http://wiki.freepascal.org/Install_fpc_on_Raspberry_with_Gentoo
> 
> I cannot post the content of the fpc.cfg file here because it is too
> big. But I wonder how it can be placed in /etc/ since then it has to
> be working correctly for all versions of fpc that one may want to use.

By the power of macros. The -Fu paths usually looks like this on Linux:

-Fu/usr/lib/fpc/$fpcversion/units/$fpctarget
-Fu/usr/lib/fpc/$fpcversion/units/$fpctarget/*
-Fu/usr/lib/fpc/$fpcversion/units/$fpctarget/rtl
-Fu/usr/lib/fpc/$fpcversion/units/$fpctarget/$fpcsubarch-$fpcmemorymodel
-Fu/usr/lib/fpc/$fpcversion/units/$fpctarget/$fpcsubarch-$fpcmemorymodel/*
-Fu/usr/lib/fpc/$fpcversion/units/$fpctarget/$fpcsubarch-$fpcmemorymodel/rtl


> Is there just a single fpc.cfg?

The compiler searches for a config at several places and stops at the
first hit.

Mattias

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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Bo Berglund]

On Tue, 15 Dec 2015 17:17:47 +0100, Mattias Gaertner
 wrote:

>> Is there just a single fpc.cfg?
>
>The compiler searches for a config at several places and stops at the
>first hit.
>
I searched for the cfg files:
pi@rpi2-jessie / $ sudo find -name fpc*.cfg
./home/pi/fpc/fpcbuild-2.6.4/install/amiga/fpc.cfg
./var/lib/dpkg/alternatives/fpc.cfg
./etc/alternatives/fpc.cfg
./etc/fpc-2.6.4.cfg
./etc/fpc.cfg

I also found out that /etc/fpc.cfg is actually a symlink:
/etc/fpc.cfg -> /etc/alternatives/fpc.cfg which in turn is a symlink:
/etc/alternatives/fpc.cfg -> /etc/fpc-2.6.4.cfg

So in a roundabout way /etc/fpc.cfg is actually: /etc/fpc-2.6.4.cfg

Question:
Is the fpc version 2.6.4 cfg file any good for fpc 3.0.0?

Seems a very involved way of handling this, hard for me to follow in
any case. :(

In case the problem was caused by the fpc 3.0.0 I switched back to
2.6.4 and tried to build lazarus 1.6RC1.
Same exact error message...

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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Mark Morgan Lloyd]

Bo Berglund wrote:

On Tue, 15 Dec 2015 17:17:47 +0100, Mattias Gaertner
 wrote:


Is there just a single fpc.cfg?

The compiler searches for a config at several places and stops at the
first hit.


I searched for the cfg files:
pi@rpi2-jessie / $ sudo find -name fpc*.cfg
./home/pi/fpc/fpcbuild-2.6.4/install/amiga/fpc.cfg
./var/lib/dpkg/alternatives/fpc.cfg
./etc/alternatives/fpc.cfg
./etc/fpc-2.6.4.cfg
./etc/fpc.cfg

I also found out that /etc/fpc.cfg is actually a symlink:
/etc/fpc.cfg -> /etc/alternatives/fpc.cfg which in turn is a symlink:
/etc/alternatives/fpc.cfg -> /etc/fpc-2.6.4.cfg

So in a roundabout way /etc/fpc.cfg is actually: /etc/fpc-2.6.4.cfg

Question:
Is the fpc version 2.6.4 cfg file any good for fpc 3.0.0?

Seems a very involved way of handling this, hard for me to follow in
any case. :(


With the caveat that this is for a native (i.e. not cross) compiler: you 
only need one of those. As discussed- several times- about the only 
thing that needs adjusting is the path to the GCC stuff if you move an 
existing fpc.cfg to another machine, under normal circumstances it's set 
up when you run install.sh to install the binary release files. I use 
the same fpc.cfg for everything from 2.2.4 through 3.0.1, and have not- 
so far- had to do anything special when building ARM or MIPS cross 
compilers.


Also see Lazarus's --pcp= option. Again, I don't think this is the first 
time I've pointed you at that.


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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Bo Berglund]

On Tue, 15 Dec 2015 10:55:38 +0100, Bo Berglund
 wrote:

>I have checked out the lazarus 1.6 RC1 tag from svn.
>I have also checked out and built the fpc release 3.0.0 and installed
>it as the fpc compiler on my system.
>
>Now I wanted to finally build lazarus 1.6RC1, but this happens:
>cd ~/development/src/lazarus/1.6.RC1
>make bigide
...
>Free Pascal Compiler version 3.0.0 [2015/12/14] for arm
>Copyright (c) 1993-2015 by Florian Klaempfl and others
>(1002) Target OS: Linux for ARMHF
...
>(9009) Assembling lazaruspackageintf
>/home/pi/development/src/lazarus/1.6.RC1/packager/registration/registerfcl.pas(45,22)
>Fatal: (10022) Can't find unit process used by RegisterFCL
>Fatal: (1018) Compilation aborted
>Makefile:2702: recipe for target 'fcllaz.ppu' failed
>make[1]: *** [fcllaz.ppu] Error 1
>make[1]: Leaving directory
>'/home/pi/development/src/lazarus/1.6.RC1/packager/registration'
>Makefile:3050: recipe for target 'registration' failed

I checked for the file in question:
pi@rpi2-jessie ~/development/src/lazarus/1.6.RC1 $ find -name
process.*
./components/printers/unix/images/process.xpm

It seems like there is no such process unit
Obviously an xpm file could not be a Pascal unit.

What is the deal here?

Strangely I did not get this error when compiling Lazarus 1.6RC1 on a
Linux Mint 17.2 Cinnamon machine. And yet the process unit is not
found here either.


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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Mattias Gaertner]

On Tue, 15 Dec 2015 10:55:38 +0100
Bo Berglund  wrote:

> I have checked out the lazarus 1.6 RC1 tag from svn.
> I have also checked out and built the fpc release 3.0.0 and installed
> it as the fpc compiler on my system.
> 
> Now I wanted to finally build lazarus 1.6RC1, but this happens:
>[...]
> /home/pi/development/src/lazarus/1.6.RC1/packager/registration/registerfcl.pas(45,22)
> Fatal: (10022) Can't find unit process used by
> RegisterFCL
>[...]
> Anyone knows why this happens?
> I thought fpc 3.0.0 could be used to build lazarus 1.6RC1

Check if you have /etc/fpc.cfg. 
A "make install" of FPC only installs the files, it does not setup your
system to use the new FPC.
You need to install a link and create the /etc/fpc.cfg.
To get an idea search for "samplecfg" on
http://wiki.freepascal.org/Install_fpc_on_Raspberry_with_Gentoo


Mattias

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Re: [Lazarus] Lazarus 1.6RC1 make bigide fails on Raspberry Pi2

[Bo Berglund]

On Tue, 15 Dec 2015 15:35:59 +0100, Mattias Gaertner
 wrote:

>Check if you have /etc/fpc.cfg. 

Yes I have.
In fact I do have several instances of the fpc compiler:
The 2.6.4 bootstrap compiler
The 3.0.0 compiler I just built from the release sources
The 3.1.1 compiler that resulted when I got the trunk sources a month
or so ago and built it.

I also have Lazarus 1.5 and 1.2.4 working on the Pi2 system.

Now I just wanted to "upgrade" by installing the 1.6RC1 release
candidate of lazarus  and fpc release 3.0.0 and get them working side
by side with the existing IDE:s

>A "make install" of FPC only installs the files, it does not setup your
>system to use the new FPC.
>You need to install a link and create the /etc/fpc.cfg.
>To get an idea search for "samplecfg" on
>http://wiki.freepascal.org/Install_fpc_on_Raspberry_with_Gentoo

I cannot post the content of the fpc.cfg file here because it is too
big. But I wonder how it can be placed in /etc/ since then it has to
be working correctly for all versions of fpc that one may want to use.

Is there just a single fpc.cfg?


-- 
Bo Berglund
Developer in Sweden


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