Cross compile from Win to linux
lazarus / 61-Beginners

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jairgza · 2019-02-20 03:20

Hi all,  I'm new to linux and cross compile,   I build a simple
console "Hello world" project and runs on windows,  then in project
options changed the "Target OS" to linux,   I already have the cross
libs  i386-linux and x86_64-linux

Seems it compile  "Compile Project, OS: linux, Target: project1:
Success"   but which is the executable ?  I copy the exe to an ubuntu
vm and it does not run,  there is another file project1 (without
extension)  , try that and it does not run either

Using Lazarus 2.1.0

Any help would be appreciated

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Handoko · 2019-02-20 06:02

Hello jairgza,
Welcome to the forum.

The binary for Linux usually is the one without file extension. And
make sure the file has set to "allow executing file as program" by
right clicking the file > Permissions > enable the checkbox.

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jairgza · 2019-02-21 23:36

Thanks, 

I realized that I was generating a 32bit instead of 64bits  (so in
linux 64 can't run 32bits app)

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Cyrax · 2019-02-22 01:19

Quote from: jairgza on February 22, 2019, 12:36:05 amThanks, 

I realized that I was generating a 32bit instead of 64bits  (so in
linux 64 can't run 32bits app)

64-bit linux can run 32-bit linux apps easily. The only thing is that
you need to install 32-bit libraries. And for Free Pascal made 32-bit
programs, you need certain 32-bit libraries to have correct stack
alignment built in (due to SSE extensions which they use) :
https://bugs.freepascal.org/view.php?id=33425