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51
Using Code::Blocks / Re: Code::Blocks don't finds my SDL2 libs
« Last post by moevenbaer on June 05, 2024, 06:38:39 pm »
So here is my promised reply:
I am running Code::Blocks release 20.03 - rev 11983 (2020-03-12 18:24:30) - gcc 8.1.0 Windows/unicode - 64 bit on Windows 11 Home(version 23H2 build 22631.3593). The compiler I use is build in MinGW.

When I ...
In my first problem I tried to buil this from scratch. With no success. But now I build the normal SDL2.0 project.
When it ask for the includ/lib folder with shown $(#sdl2) in the input line, I replaced it with the full paath to MinGW inside codeblocks installation folder.
The lib and the include folder fom the SDL2 devel file I copied earlier to there. The include directive for SDL.h I updated to SDL2/SDL.h.
... the following happens ...
The building tells the following build messages.
Code
||=== Build: Debug in SDL2TestA (compiler: GNU GCC Compiler) ===|
ld.exe||cannot find -lSDL2main|
ld.exe||cannot find -lSDL2.dll|
||error: ld returned 1 exit status|
||=== Build failed: 3 error(s), 0 warning(s) (0 minute(s), 1 second(s)) ===|
and the later following build log.
Messing around with the files I found the project xml file and in there at the end the overwritten $(#sdl2). Setting this to the ame folder as inputted, the things went well.
All though the from the scratch version I'm not able to build.

So my question changes a little bit:
How and where shell I set the macro variable for $(#sdl2) in the project (or better codeblocks?) settings?

Build log:
Code
-------------- Build: Debug in SDL2TestA (compiler: GNU GCC Compiler)---------------
g++.exe -Wall -g -IC:\CODEBLOCKS\CodeBlocks\MinGW\include -c C:\CODEBLOCKS\CB_WSp\SDL2TestA\main.cpp -o obj\Debug\main.o
g++.exe -LC:\CODEBLOCKS\CodeBlocks\MinGW\lib -o bin\Debug\SDL2TestA.exe obj\Debug\main.o   -lmingw32 -lSDL2main -lSDL2.dll -luser32 -lgdi32 -lwinmm -ldxguid
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:\CODEBLOCKS\CodeBlocks\MinGW\lib/libSDL2main.a when searching for -lSDL2main
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:\CODEBLOCKS\CodeBlocks\MinGW\lib\libSDL2main.a when searching for -lSDL2main
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../lib/libSDL2main.a when searching for -lSDL2main
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../lib\libSDL2main.a when searching for -lSDL2main
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../libSDL2main.a when searching for -lSDL2main
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../..\libSDL2main.a when searching for -lSDL2main
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:\CODEBLOCKS\CodeBlocks\MinGW\lib/libSDL2main.a when searching for -lSDL2main
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../lib/libSDL2main.a when searching for -lSDL2main
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../libSDL2main.a when searching for -lSDL2main
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lSDL2main
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:\CODEBLOCKS\CodeBlocks\MinGW\lib/libSDL2.dll.a when searching for -lSDL2.dll
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:\CODEBLOCKS\CodeBlocks\MinGW\lib\libSDL2.dll.a when searching for -lSDL2.dll
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../lib/libSDL2.dll.a when searching for -lSDL2.dll
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../lib\libSDL2.dll.a when searching for -lSDL2.dll
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../libSDL2.dll.a when searching for -lSDL2.dll
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../..\libSDL2.dll.a when searching for -lSDL2.dll
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:\CODEBLOCKS\CodeBlocks\MinGW\lib/libSDL2.dll.a when searching for -lSDL2.dll
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../lib/libSDL2.dll.a when searching for -lSDL2.dll
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../libSDL2.dll.a when searching for -lSDL2.dll
C:/CODEBLOCKS/CodeBlocks/MinGW/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lSDL2.dll
collect2.exe: error: ld returned 1 exit status
Process terminated with status 1 (0 minute(s), 1 second(s))
3 error(s), 0 warning(s) (0 minute(s), 1 second(s))
52
Help / Re: some of my workspaces don't have "other" files folder
« Last post by Miguel Gimenez on June 05, 2024, 05:08:18 pm »
Future spam added to radar.
53
Help / Re: some of my workspaces don't have "other" files folder
« Last post by allanpetter on June 05, 2024, 04:00:20 pm »
Thank you for sharing!
54
Using Code::Blocks / Re: Code::Blocks don't finds my SDL2 libs
« Last post by moevenbaer on June 05, 2024, 02:35:09 pm »
Thanks. Looks not to be the reason.
To fullfill the "How to post ..." I will answer later again. I'm tried to test SDLs i686 subfolders as told in different posts and videos setting up sdl2 with codeblocks around the internet. In the build logs I found that there are x86_64 folder is userd by MinGW. So I will test the subfolders for x86_64. So long until later.
Ekkehard
P.S. But this (prepending lib to libname) happens in codeblocks/MinGW-Compilers too.
55
General (but related to Code::Blocks) / Re: Problem with SFML 2.0 libraries
« Last post by nenin on June 05, 2024, 07:40:09 am »
Quote
How did you link this DLL? Directly or using *.a file?

I dont know the terminology but the dll is in the same folder as my .exe file
exe found dll, but dll did not provide required function. It means that you linked incorrect dll. Linking of the dll can be done in few manners for mingw gcc:
1. Static using interface lib with extension *.a
2. Static using dll by itself (from my experience  it is better)
3. Dynamic by call dll and function from the code.
Something is wrong in your case.
56
Is there any plan to release a new version officially?
57
Using Code::Blocks / Re: Code::Blocks don't finds my SDL2 libs
« Last post by stahta01 on June 04, 2024, 10:18:31 pm »
Important FAQ https://wiki.codeblocks.org/index.php?title=FAQ-Compiling_%28general%29#Q:_How_do_I_report_a_compilation_problem_on_the_forums.3F

Most GCC Mingw compilers add the lib before library names; therefore adding the lib before the library name sometimes can cause issues.

58
Using Code::Blocks / Code::Blocks don't finds my SDL2 libs
« Last post by moevenbaer on June 04, 2024, 08:44:29 pm »
Hello to the CB-World,
after some days searching and learning and searching and ... my brain is a little bit confused about that all.  ;)

System: Win 11 - get error linking SDL2-libs:
 ld.exe   can't find -llibSDL2
 ld.exe   can't find -llibSDL2main

I didn't find out what is wrong here in my steps:
  • C:\CODEBLOCKS\ is my folder for all stuff
  • C:\CODEBLOCKS\Codeblocks is installation folder of codeblocks with MinGW in there.
  • Copied content of zip file "codeblocks-20.03mingw-nosetup.zip" to this CodeBlocks installation folder
  • Copied folder SDL2 from SDL2-devel-2.30.3-mingw.zip folder SDL2 found under  SDL2-2.30.3\include to C:\CODEBLOCKS\Codeblocks\MinGW\include\
  • Copied content from lib folder found in SDL2-devel-2.30.3-mingw.zip under  SDL2-2.30.3\lib to C:\CODEBLOCKS\Codeblocks\MinGW\lib\
  • Created a console project for c++ in workspace folder C:\CODEBLOCKS\CB_WSp\
  • Build and went ok (Returncode zero)
  • Added compiler path C:\CODEBLOCKS\Codeblocks\MinGW\include\
  • Added linker path C:\CODEBLOCKS\Codeblocks\MinGW\lib\
  • Added the test code from the SDL2.0 project template with the #include <SDL2/SDL.h>
  • In allmost tutorials there is spoken about linker options -lSDL2 -lSDL2main to added to the lib, but there isn't any.
    So I decided using -llibSDL2 and -libSDL2main for the other linker options.
What I'm thinking wrong? What did I forgot or not know?
Greetings from Germany
Ekkehard
60
General (but related to Code::Blocks) / Re: Problem with SFML 2.0 libraries
« Last post by Qday on June 04, 2024, 03:58:34 pm »
Quote
How did you link this DLL? Directly or using *.a file?

I dont know the terminology but the dll is in the same folder as my .exe file
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