Re: [fpc-pascal] Error format question

2020-04-11 Thread Ryan Joseph via fpc-pascal


> On Apr 12, 2020, at 11:16 AM, Ryan Joseph  wrote:
> 
> I just did svn up and got r44689, rebuilt the compiler but I still get the 
> same error format.  Was it supposed to be changed?

ok, I think we're confused here. Just actually tested gcc and got this format:

/Users/ryanjoseph/Developer/Projects/C++/Tests/test:10:6: error: 
  expected expression


This means that FPC 3.0.4 is giving the wrong format and I guess we're stuck 
with that like it is. That means trunk is and was fine like it is.

Regards,
Ryan Joseph

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Re: [fpc-pascal] Error format question

2020-04-11 Thread Ryan Joseph via fpc-pascal


> On Apr 11, 2020, at 9:50 PM, Ryan Joseph  wrote:
> 
> Thanks, I could swear this was a bug that was already fixed but I'll rebuild 
> the compiler tomorrow and see if it went away.

I just did svn up and got r44689, rebuilt the compiler but I still get the same 
error format.  Was it supposed to be changed?

Ryans-MacBook-Pro-2:fpc ryanjoseph$ /usr/local/lib/fpc/3.3.1/ppcx64 -vbr 
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas
Free Pascal Compiler version 3.3.1 [2020/04/12] for x86_64
Copyright (c) 1993-2020 by Florian Klaempfl and others
Target OS: Darwin for x86_64
Compiling /Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas:6:1: error: 
Identifier not found "f"
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas:7:4: error: 
There were 1 errors compiling module, stopping
error: Compilation aborted


Regards,
Ryan Joseph

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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Alexander Grotewohl
This is an evil travesty and I'm not happy about it:

-Fu$_$/../../lib/fpc/$fpcversion/units/$fpctarget
-Fu$_$/../../lib/fpc/$fpcversion/units/$fpctarget/*
-Fu$_$/../../lib/fpc/$fpcversion/units/$fpctarget/rtl

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From: fpc-pascal  on behalf of fredvs 
via fpc-pascal 
Sent: Saturday, April 11, 2020 8:52 PM
To: fpc-pascal@lists.freepascal.org 
Cc: fredvs 
Subject: Re: [fpc-pascal] Search path order for fpc.cfg

I promise, it is the last for tonight.

It would be wonderful if in /compiler/globals.pas, at line 906, you add this
line (or something like that):

 { Replace some macros }

Replace(s,'$FPCPATH',AnsiString(IncludeTrailingBackslash(ExtractFilePath(ParamStr(0);

So in fpc.cfg you may do:

-Fu$FPCPATH/units/$fpctarget
-Fu$FPCPATH/units/$fpctarget/*
-Fu$FPCPATH/units/$fpctarget/rtl

And it works like charm.

@Jonas, I apologize, really, you kindly answered but I feel alone against a
tribe of gurus who want to eat me.

OK, I go to sleep (if I can).

Fred










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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
I promise, it is the last for tonight.

It would be wonderful if in /compiler/globals.pas, at line 906, you add this
line (or something like that):

 { Replace some macros }

Replace(s,'$FPCPATH',AnsiString(IncludeTrailingBackslash(ExtractFilePath(ParamStr(0);

So in fpc.cfg you may do:

-Fu$FPCPATH/units/$fpctarget
-Fu$FPCPATH/units/$fpctarget/*
-Fu$FPCPATH/units/$fpctarget/rtl

And it works like charm.

@Jonas, I apologize, really, you kindly answered but I feel alone against a
tribe of gurus who want to eat me.

OK, I go to sleep (if I can).

Fred










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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
I did try this without luck:

-Fu$PPC_EXEC_PATH/units/$fpctarget
-Fu$PPC_EXEC_PATH/units/$fpctarget/*
-Fu$PPC_EXEC_PATH/units/$fpctarget/rtl

Fred



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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
> You can do

> -Fu$PPC_CONFIG_PATH/../units/whatever 

> We can add some extra macros there if you want, 

Could you add the macro PPC_COMPILER_PATH ?

Fred



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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
Hello Alexander.

Thanks for the tips, but all that is too much complicated for a totally
newbie.

I did not really understand the argument that is a absolutely wrong way to
store the fpc.cfg in the same directory as the compiler, like it is allowed
for Windows.

But I accept the choice.

With the patch, I agree, it is maybe to simple, unzip it, compile it, no
script needed, no break of compatibility (even I would prefer change the
search order), the fpc.cfg is in the directory of fpc and all the -Fu's are
like -Fu./units/ to point to child directories.

Do you know the OOTB concept?
https://en.wikipedia.org/wiki/Out_of_the_box_(feature)

Fre;D







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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Alexander Grotewohl
Are you always going to be running the compiler from a front-end (IDE, whatever 
else)? Just use code on the other end to find the binary directory and call 
something like "fpc @/home/whereis/fpc/fpc.cfg ..."

You could also use a bash script to wrap the compiler and do something like:
https://stackoverflow.com/questions/59895/how-to-get-the-source-directory-of-a-bash-script-from-within-the-script-itself#59916

To find out where the script is (and therefore where your binaries/config are) 
to use with @ again.

I duno. If you really do this I'd suggest doing it once and writing a correct 
config to .fpc.cfg in their home directory... in that case they can at least 
upgrade fpc independently from the whole project. But that touches the system..

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From: fpc-pascal  on behalf of fredvs 
via fpc-pascal 
Sent: Saturday, April 11, 2020 11:31:32 AM
To: fpc-pascal@lists.freepascal.org 
Cc: fredvs 
Subject: Re: [fpc-pascal] Search path order for fpc.cfg

> if the .so.n issue was really so urgent for you,

Ho, it was urgent for we since the first time I did use it 15 years ago!

And each time that I request it, it finished by insult.

And when I created uos, problems of linking to libs where solved by
loadlibrary() because with ld it was not possible.

Sorry but now it is the time to change and fast.

Fred




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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
> if the .so.n issue was really so urgent for you,

Ho, it was urgent for we since the first time I did use it 15 years ago!

And each time that I request it, it finished by insult.

And when I created uos, problems of linking to libs where solved by
loadlibrary() because with ld it was not possible.

Sorry but now it is the time to change and fast.

Fred




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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Michael Van Canneyt



On Sat, 11 Apr 2020, fredvs via fpc-pascal wrote:

You just need to be a little patient 


Huh, if I may, the so.n bug date from 3 years ago and is not yet assigned.


I was referring to the config file issue.

if the .so.n issue was really so urgent for you, you could have brought it up
much earlier here, so I'm inclined not to buy the 'it is urgent' story.

We're just trying to help, but we can't work miracles...

Michael.
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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
> You just need to be a little patient 

Huh, if I may, the so.n bug date from 3 years ago and is not yet assigned.

Sorry Michael but I need a fpc-wob (works out the box) now.
And when all my needs will be fixed in fpc original, I will come back to the
original.

Sorry but time goes out, I dont have time to be patient any more.

Fred 



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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Michael Van Canneyt



On Sat, 11 Apr 2020, fredvs via fpc-pascal wrote:


It's perfectly fine to change the name. See e.g. the first answer to
https://stackoverflow.com/questions/4475319/how-to-rebrand-copyright-a-forked-project-gnu-gpl#


Really, did you think that I ever had the idea to change anything in the
copyright and not claim that it is a fork from fpc?

You know what, please choose the name, I will use it.


Better yet, use fpc as it is. It can do all you need already out of the box.

You just need to be a little patient and let us explain properly how to help
you. It would save you a lot of trouble, I think :)

Michael.
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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Jonas Maebe
On 11/04/2020 16:48, fredvs via fpc-pascal wrote:
>> It's perfectly fine to change the name. See e.g. the first answer to
>> https://stackoverflow.com/questions/4475319/how-to-rebrand-copyright-a-forked-project-gnu-gpl#
> Really, did you think that I ever had the idea to change anything in the
> copyright and not claim that it is a fork from fpc?

No, and I never claimed that. You asked whether you could change the
name, and I said "yes, see e.g. here for someone else who also says that
you can do so, and that it's even a good idea to do so".

Please stop acting as if you are attacked when someone simply answers
your questions.


Jonas
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Re: [fpc-pascal] Error format question

2020-04-11 Thread Ryan Joseph via fpc-pascal


> On Apr 11, 2020, at 8:12 PM, Florian Klämpfl  wrote:
> 
> I fixed this for trunk. You can very easily test and see what gcc outputs to 
> verify what's correct.

Thanks, I could swear this was a bug that was already fixed but I'll rebuild 
the compiler tomorrow and see if it went away.

Regards,
Ryan Joseph

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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
> It's perfectly fine to change the name. See e.g. the first answer to
> https://stackoverflow.com/questions/4475319/how-to-rebrand-copyright-a-forked-project-gnu-gpl#

Really, did you think that I ever had the idea to change anything in the
copyright and not claim that it is a fork from fpc?

You know what, please choose the name, I will use it.

Fred





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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Michael Van Canneyt



On Sat, 11 Apr 2020, fredvs via fpc-pascal wrote:


It will create one in your home directory if it detects you do not have
root access. 


Could you explain that?
Of course if you can show me a trick for configuring a script that will
install fpc in the home directory (.fpc.cfg), with for example the
hard-coded directory /home/user/instantfpc, I will use it.

But the condition will be that the user has nothing write, only run a
script.


The default install.sh used by FPC calls samplecfg to create the config file
for the compiler.

samplecfg is located in compiler/utils.

Line 40 and following contain:

# Detect if we have write permission in sysdir.
if [ -w "$sysdir" ] ; then
  echo Write permission in $sysdir.
  fpccfgfile="$sysdir"/fpc.cfg
  fppkgfile="$sysdir"/fppkg.cfg
  defaultfile="$sysdir"/fppkg/default
  compilerconfigdir="-d CompilerConfigDir=$sysdir/fppkg"
  fppkgconfdir=$sysdir/fppkg/conf.d
else
  echo No write premission in $sysdir.
  fpccfgfile="$HOME"/.fpc.cfg
  fppkgfile="$HOME"/.config/fppkg.cfg
  defaultfile="$HOME"/.fppkg/config/default
  fppkgconfdir="$HOME"/.fppkg/config/conf.d
fi

So as you can see, when the user does not have write permissions in /etc or
/local/etc, it will write a config file in the user home directory, exactly
where the compiler will pick it up.

So you see, we've covered the situation you are trying to solve.

It has been so for ages, all you need to do is use what is there correctly.

There is no need to change anything.

Michael.
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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Jonas Maebe
On 11/04/2020 16:21, fredvs via fpc-pascal wrote:
>>  then you should probably change the name
> Humm, in previous post it was said that I am not allowed to change the name?

It's perfectly fine to change the name. See e.g. the first answer to
https://stackoverflow.com/questions/4475319/how-to-rebrand-copyright-a-forked-project-gnu-gpl#


Jonas
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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread wkitty42

On 4/11/20 10:16 AM, Jonas Maebe wrote:

On 11/04/2020 15:58, wkitt...@windstream.net wrote:

Does fpc accept relative path for -Fu in the fpc.cfg config file,
something
like:

-Fu../units/$fpctarget
-Fu../units/$fpctarget/*
-Fu../units/$fpctarget/rtl


doesn't the 2nd one already cover the 3rd one?


The default fpc.cfg contains this as well. It's to ensure that in case
of unit name conflicts, the RTL will always get priority. Ideally there
are no such conflicts, but there have been several in the past (and
there are still some between the univint and fv packages today).



thank you for the explanation! i never understood why it was listed like that 
and didn't ever really find an explanation but i didn't look very hard, either...



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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
>  then you should probably change the name

Humm, in previous post it was said that I am not allowed to change the name?






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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Jonas Maebe
On 11/04/2020 15:58, wkitt...@windstream.net wrote:
>> Does fpc accept relative path for -Fu in the fpc.cfg config file,
>> something
>> like:
>>
>> -Fu../units/$fpctarget
>> -Fu../units/$fpctarget/*
>> -Fu../units/$fpctarget/rtl
> 
> doesn't the 2nd one already cover the 3rd one?

The default fpc.cfg contains this as well. It's to ensure that in case
of unit name conflicts, the RTL will always get priority. Ideally there
are no such conflicts, but there have been several in the past (and
there are still some between the univint and fv packages today).


Jonas
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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Jonas Maebe
On 11/04/2020 16:08, fredvs via fpc-pascal wrote:
> Only do a fork, respect the rules of the license and do the change you want
> without be dependent of what the parent of the fork think or do.

If you really want to create a fork that behaves differently from FPC on
some fundamental points, then you should probably change the name at
least a little bit so there won't be confusion when people ask for help
(I'm using FPC - Yes, but which fork of FPC?)


Jonas
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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
> We have different opinions about what is needed and what is not. Or what
> even is the right approach. 

And it is why I like the concept of open source, different opinions may
exist and no one is obliged to impose his own.

Only do a fork, respect the rules of the license and do the change you want
without be dependent of what the parent of the fork think or do.

And even more, if it is done with goodwill, parent and fork can stimulate
their self.

Fred





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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
> doesn't the 2nd one already cover the 3rd one? 

Yes, sorry, it was just a example of the layout.

Fred



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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread wkitty42

On 4/10/20 4:44 PM, fredvs via fpc-pascal wrote:

Does fpc accept relative path for -Fu in the fpc.cfg config file, something
like:

-Fu../units/$fpctarget
-Fu../units/$fpctarget/*
-Fu../units/$fpctarget/rtl



doesn't the 2nd one already cover the 3rd one?


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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Sven Barth via fpc-pascal

Am 11.04.2020 um 15:18 schrieb fredvs via fpc-pascal:


I hope that you understand that:

https://github.com/fredvs/freepascal

was done not for create a new war but because some features are really
needed.


We have different opinions about what is needed and what is not. Or what 
even is the right approach.


Regards,
Sven
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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
Hello Michael.

I will deeply study your proposition.

I am also highly interested by this:

> You can do
> -Fu$PPC_CONFIG_PATH/../units/whatever  

Maybe it can solve some problem and the last patch about dealing with './'
will not be needed.

I hope that you understand that:

https://github.com/fredvs/freepascal

was done not for create a new war but because some features are really
needed.

And if some similar patches are applied to official fpc, I the repository
can be deleted.

Fre;D






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Re: [fpc-pascal] Error format question

2020-04-11 Thread Florian Klämpfl

Am 11.04.20 um 08:11 schrieb Ryan Joseph via fpc-pascal:

Sorry to ask this yet again but I keep forgetting or remembering wrong. I 
thought this was a one time error that was fixed but I'm still getting 
different error formats with the trunk (as of today) vs 3.0.4.

Can anyone please confirm which it the correct format I should rely on?


Ryans-MacBook-Pro-2:~ ryanjoseph$ fpc -vbr 
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas
Free Pascal Compiler version 3.0.4 [2018/09/30] for x86_64
Copyright (c) 1993-2017 by Florian Klaempfl and others
Target OS: Darwin for x86_64
Compiling /Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas:6: error: 1: Identifier 
not found "f"
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas:7: error: 4: 
There were 1 errors compiling module, stopping
error: Compilation aborted
Ryans-MacBook-Pro-2:~ ryanjoseph$ /usr/local/lib/fpc/3.3.1/ppcx64 -vbr 
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas
Free Pascal Compiler version 3.3.1 [2020/04/11] for x86_64
Copyright (c) 1993-2020 by Florian Klaempfl and others
Target OS: Darwin for x86_64
Compiling /Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas:6:1: error: Identifier 
not found "f"
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas:7:4: error: 
There were 1 errors compiling module, stopping
error: Compilation aborted


I fixed this for trunk. You can very easily test and see what gcc 
outputs to verify what's correct.

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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Sven Barth via fpc-pascal

Am 11.04.2020 um 14:46 schrieb fredvs via fpc-pascal:

It will create one in your home directory if it detects you do not have

root access.

Could you explain that?
Of course if you can show me a trick for configuring a script that will
install fpc in the home directory (.fpc.cfg), with for example the
hard-coded directory /home/user/instantfpc, I will use it.

But the condition will be that the user has nothing write, only run a
script.


By default the compiler also looks in ~/.fpc.cfg on *nix systems (and 
then tries /etc/fpc.cfg). So if you have your installation script 
automatically create the correct configuration file using fpcmkcfg 
(distributed with FPC, see $fpcdir/utils/fpcmkcfg) setting up the 
correct paths then your user will be good to go (after all this is what 
FPC's installation script does as well).


Regards,
Sven
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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
> On unix, a simple 'unzip' is simply not the standard way to do things. 

There are tons of application that do that.

GoogleEarth, lot of utilities, ... MSEide,  




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Re: [fpc-pascal] Error format question

2020-04-11 Thread Sven Barth via fpc-pascal

Am 11.04.2020 um 08:11 schrieb Ryan Joseph via fpc-pascal:

Sorry to ask this yet again but I keep forgetting or remembering wrong. I 
thought this was a one time error that was fixed but I'm still getting 
different error formats with the trunk (as of today) vs 3.0.4.

Can anyone please confirm which it the correct format I should rely on?


Ryans-MacBook-Pro-2:~ ryanjoseph$ fpc -vbr 
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas
Free Pascal Compiler version 3.0.4 [2018/09/30] for x86_64
Copyright (c) 1993-2017 by Florian Klaempfl and others
Target OS: Darwin for x86_64
Compiling /Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas:6: error: 1: Identifier 
not found "f"
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas:7: error: 4: 
There were 1 errors compiling module, stopping
error: Compilation aborted
Ryans-MacBook-Pro-2:~ ryanjoseph$ /usr/local/lib/fpc/3.3.1/ppcx64 -vbr 
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas
Free Pascal Compiler version 3.3.1 [2020/04/11] for x86_64
Copyright (c) 1993-2020 by Florian Klaempfl and others
Target OS: Darwin for x86_64
Compiling /Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas:6:1: error: Identifier 
not found "f"
/Users/ryanjoseph/Developer/Projects/FPC/Various/stratch_pad.pas:7:4: error: 
There were 1 errors compiling module, stopping
error: Compilation aborted


Found the cause: 
https://svn.freepascal.org/cgi-bin/viewvc.cgi?view=revision&revision=43769


As this is the error output when rhide/GCC compatible error output is 
given (-vr), it probably did not work correctly with tools that rely on 
the order before that change.


Regards,
Sven
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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
> It will create one in your home directory if it detects you do not have
root access. 

Could you explain that?
Of course if you can show me a trick for configuring a script that will
install fpc in the home directory (.fpc.cfg), with for example the
hard-coded directory /home/user/instantfpc, I will use it.

But the condition will be that the user has nothing write, only run a
script.

Fre;D




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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Michael Van Canneyt



On Sat, 11 Apr 2020, fredvs via fpc-pascal wrote:


There's a prompt in the freepascal installer that asks for the prefix. Your

users should be capable of that?

As explained in previous post, the goal is to not touch the system.
If you use the fpc installer, even if you install it in the user's home
directory, the installer will create a fpc.cfg in /etc and that needs root
access.


This is simply not correct.

It will create one in your home directory if it detects you do not have root 
access.


Of course users can do that but the goal of that patch is to have a compiler
totally out-of-the-box, that even dont need to configure or set anything.

Sorry but not all users are gurus.


No-one expects them to be. But if someone is unable to run install.sh,
and type in the name of a directory, then he has no business in programming.

You're not making a chat application, after all. You can expect some
rudimentary understanding of your users.



And sorry also if it dont follow the rules of the good old boy way.


This is not the 'good old boy' way. Why use such derogatory words ?

It's adapting to the system you work on, instead of clinging to wrong concepts 
for that system.

Michael.
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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Michael Van Canneyt



On Sat, 11 Apr 2020, Alexander Grotewohl wrote:


Why not just provide instructions for installation in the user's home directory, for 
example. It's what you'd have to do if you didn't have root access anyways. Then you can 
pretend that it's "cleaner" than just installing it systemwide.

There's a prompt in the freepascal installer that asks for the prefix. Your 
users should be capable of that?


Exactly.

On unix, a simple 'unzip' is simply not the standard way to do things.

As I said, all programs that work like that ask you to execute some script
(in your .bashrc or .cshrc) to set some environment variable. You can simply do 
the
same, or as Alexander points out, use the provided installer script from fpc.

You reason from a windows perspective. This is seldom a good idea on Unices.


Michael.
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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
> There's a prompt in the freepascal installer that asks for the prefix. Your
users should be capable of that?

As explained in previous post, the goal is to not touch the system.
If you use the fpc installer, even if you install it in the user's home
directory, the installer will create a fpc.cfg in /etc and that needs root
access.

Of course users can do that but the goal of that patch is to have a compiler
totally out-of-the-box, that even dont need to configure or set anything.

Sorry but not all users are gurus.
And sorry also if it dont follow the rules of the good old boy way.

Fred





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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Alexander Grotewohl
Why not just provide instructions for installation in the user's home 
directory, for example. It's what you'd have to do if you didn't have root 
access anyways. Then you can pretend that it's "cleaner" than just installing 
it systemwide.

There's a prompt in the freepascal installer that asks for the prefix. Your 
users should be capable of that?

--
Alexander Grotewohl
https://dcclost.com


From: fpc-pascal  on behalf of fredvs 
via fpc-pascal 
Sent: Saturday, April 11, 2020 8:07:17 AM
To: fpc-pascal@lists.freepascal.org 
Cc: fredvs 
Subject: Re: [fpc-pascal] Search path order for fpc.cfg

Hello.

The target of that "patched" fpc is mainly the Raspbian RPi.

I want a fpc out-of-the-box, only a zip file that people may unzip where
they want, without need to touch anything to the system.

All what I have found in fpc doc always require to touch to system.

Also, I want that people can compile out-of-the-box, without the need to
install dev package because that army of Rpi is not connected.

I thanks you for the warnings about using fpc.cfg in the same directory than
the compiler.
But for my need there is no problem with that, even if you create a symlink
and run fpc from that symlink.

I do propose my patch here to inform what I am changing in
https://github.com/fredvs/freepascal

Fre;D






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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread fredvs via fpc-pascal
Hello.

The target of that "patched" fpc is mainly the Raspbian RPi.

I want a fpc out-of-the-box, only a zip file that people may unzip where
they want, without need to touch anything to the system.

All what I have found in fpc doc always require to touch to system.

Also, I want that people can compile out-of-the-box, without the need to
install dev package because that army of Rpi is not connected.

I thanks you for the warnings about using fpc.cfg in the same directory than
the compiler.
But for my need there is no problem with that, even if you create a symlink
and run fpc from that symlink.

I do propose my patch here to inform what I am changing in 
https://github.com/fredvs/freepascal

Fre;D






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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Michael Van Canneyt



On Sat, 11 Apr 2020, Jonas Maebe wrote:


On 11/04/2020 08:24, Michael Van Canneyt wrote:

it is not done on unices to search in the binary directory for config
files. That's a windows thing.


And the main reason for this is that "the" compiler binary does not
necessarily exist. The most obvious case is a hard link: in this case, a
single file exists in multiple locations on the file system. A program
file can also be moved while it was executing.

Even if you ignore the above cases and only care about the directory in
which the binary was found when it was started, then there is still the
issue that not all Unix systems provide you with that information. E.g.
on Darwin/macOS, if you just type "ppcx64", then the "full path" to the
binary that the program gets is "ppcx64" and you have no idea where it's
located. You can use some heuristics like looking in the path, but this
is fragile and might possibly even be used for attacks (it is probably
possible to specify a different PATH environment variable to the child
process than the one used to originally find it).

This is also the reason why most Unix programs have there installation
directory compiled into the binary, and why you often have to specify it
already when building the program (rather than only when installing it).
FPC does not do that due to its DOS and OS/2 heritage, but it's not
something we should extend.


In short: 
the installer should write a 'correct' config file, without tricks

like relative paths.

Many unix programs that can be installed 'anywhere' require you to set
environment variables in order to find where you installed it.

Michael.
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Re: [fpc-pascal] Search path order for fpc.cfg

2020-04-11 Thread Jonas Maebe
On 11/04/2020 08:24, Michael Van Canneyt wrote:
> it is not done on unices to search in the binary directory for config
> files. That's a windows thing.

And the main reason for this is that "the" compiler binary does not
necessarily exist. The most obvious case is a hard link: in this case, a
single file exists in multiple locations on the file system. A program
file can also be moved while it was executing.

Even if you ignore the above cases and only care about the directory in
which the binary was found when it was started, then there is still the
issue that not all Unix systems provide you with that information. E.g.
on Darwin/macOS, if you just type "ppcx64", then the "full path" to the
binary that the program gets is "ppcx64" and you have no idea where it's
located. You can use some heuristics like looking in the path, but this
is fragile and might possibly even be used for attacks (it is probably
possible to specify a different PATH environment variable to the child
process than the one used to originally find it).

This is also the reason why most Unix programs have there installation
directory compiled into the binary, and why you often have to specify it
already when building the program (rather than only when installing it).
FPC does not do that due to its DOS and OS/2 heritage, but it's not
something we should extend.


Jonas
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