LAMW - Compilation Error ("Cannot find system ..")
lazarus / 43-Android

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BjPascal · 2018-07-17 10:13

using Lazarus 1.9.0  and FPC 3.1.1 on Win7 x64

Just installed Android stuff by using laztoapk, all went fine.

Now I created my first LAMW project, and get this error:
Cannot find system used by controls. Make sure all ppu files of a
package are in its output directory. ppu in wrong
directory=C:\fpcupdeluxe\fpc\units\arm-android\rtl\system.ppu..

Any idea how to fix it?
I read older posting with the same problem, but they did not help.

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DonAlfredo · 2018-07-17 12:24

Use fpcupdeluxe (also) to install an arm-android cross-compiler !

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BjPascal · 2018-07-17 13:31

Thanks DonAlfredo !

I already had done that, and redid it again.
But the error remains.
I checked and system.ppu is in the folder. Perhaps a wrong version of
it?

What else can I do?

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DonAlfredo · 2018-07-17 20:32

I will try to explain.

Fpcupdeluxe installs a cross-compiler for ARMV7 and some more pre-
defined settings, that work well for Android.

LAMW has its own pre-defined settings. These settings can be seen in
the project-options. There will see something with ARMV6 and
softfloat.

Just remove all these LAMW settings. If removed, your project will use
the fpcupdeluxe settings and will find the correct system.ppu.

Alternative: build cross-compiler with LAMW settings (ARMV6,
softfloat).

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jmpessoa · 2018-07-17 21:29

if  you build your Lazarus/cross-arm using Fpcupdeluxe  then  select 
"ARMV7a + VFPv3"  in  "new project"  settings...

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BjPascal · 2018-07-17 23:27

I now found the cause:
In the past I had set the PathToAndroidSDK to a wrong folder.
Since I did not know how to get back to this setting I found it in
JNIAndroidProject.ini. After setting the proper path it now compiles
and runs.
I also selected  "ARMV7a + VFPv3" in the new project.

Many thanks for your patience, you helped me a lot !!

P.S. What SDK is currently wise to use?
I installed API 22

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jmpessoa · 2018-07-17 23:57

QuoteI installed API 22...

Api 22 is good!  But, "AppCompat" [material] theme will need API >= 25

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jmpessoa · 2018-07-18 19:42

Ok.

Now the option  "ARMV7a + VFPv3" (*)

link to:

(*) Fpcupdeluxe

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pfms · 2019-01-28 19:58

Quote from: BjPascal on July 18, 2018, 01:27:29 amI now found the
cause:
In the past I had set the PathToAndroidSDK to a wrong folder.
Since I did not know how to get back to this setting I found it in
JNIAndroidProject.ini. After setting the proper path it now compiles
and runs.
I also selected  "ARMV7a + VFPv3" in the new project.

Many thanks for your patience, you helped me a lot !!

P.S. What SDK is currently wise to use?
I installed API 22

I'm a similar problm, but after have checked my  JNIAndroidProject.ini
file (correct in my case), I still have the same problem. Any
additional suggestions? Is it possible to avoid FPCUPdelx, if it is
possible.

Thanks in advance

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jmpessoa · 2019-01-28 21:19

QuoteIs it possible to avoid FPCUPdelx, if it is possible...

FPCUPdelux is a nice tool!

But,  for windows you can try directly the package  laz4android + LAMW

https://sourceforge.net/projects/laz4android/


side note: "LAMW 0.83"  changed "JNIAndroidProject.ini" to "LAMW.ini"
...