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C and C++ database for objects and structs

Home Page: https://objectbox.io/

License: Apache License 2.0

CMake 0.97% Shell 1.75% C 58.91% C++ 38.37%

c cpp database edge embedded flatbuffers offline-first performance persistence storage sustainable sync

objectbox-c's Issues

compile ObjectBox without examples

I'm looking to compile ObjectBox without including the examples and test apps. Essentially, I want to keep only the ObjectBox library in my environment.

It would be great if you could consider adding an option to remove examples when using the FetchContent_MakeAvailable command.

This way, users would have the flexibility to exclude example programs from the build process, reducing unnecessary build time and keeping the project clean and concise

'Skipped low-level close of cursor' after re-creating transaction

If I re-create transaction for same table right after previous is closed, I always get warning [WARN ] Skipped low-level close of cursor (write, TX #xxx alive). Imagine there is following code:

auto txn = obx_txn_begin(store);
auto cursor = obx_cursor_create(txn, 1);
obx_cursor_put(cursor, <something>);
obx_cursor_close(cursor);
obx_txn_close(txn);
txn = obx_txn_begin(store);
cursor = obx_cursor_create(txn, 1);

I will produce this warning unless there will be timeout before starting second transaction. I believe there should be convenience function to wait for transaction is completed for this case.

error：no matching function for call to 'obx::Box<Task>::put(<brace-enclosed initializer list>)

when I compile the example by running: g++ main.cpp -I. -std=c++11 -lobjectbox
error：no matching function for call to 'obx::Box::put()

obx_id id = box.put({.text = "Buy milk"})
^

int main()
{
obx::Store store(create_obx_model());
obx::Box box(store);

obx_id id = box.put({.text = "Buy milk"});  //  error code

std::unique_ptr task = box.get(id); // Read
if (task) {
task->text += " & some bread";
box.put(*task); // Update
box.remove(id); // Delete
}
return 0;
}

to-one and to-many relations

Hi,
Unfortunately, there is no explanation about relations in ObjectBox documentation for c++ .
Please explain how we should use to-one and to-many relations in ObjectBox c++ ?
Thanks

How to make a many-to-many relation in fsb file and objectbox-generator for c++?

This is my database.fsb file

table Author {
    /// objectbox:id
    id:ulong;
    text:string;
}

table Book{
    /// objectbox:id
    id: ulong;
    name: string;

    /// objectbox:relation(name=authors,to=Author)
    authors:ulong;
}

What type I must use for authors in Book table to make a many-to-many relation between book and authors?

Readme has wrong link for generated C

The readme file Examples section has this link text:

C, with generated code - plain C, using code generated by objectbox-generator

But it links to the cpp-gen/ directory instead of the c-gen/ directory.

flatbuffers.h does not found when compiling

🚨 First, please check:

existing issues,
Docs https://cpp.objectbox.io/

Describe the bug
When I add include and lib to the project in windows and using Visual Studio 2013 to compile it I get an error which says it could not find "flatbuffers/flatbuffers.h"

Basic info (please complete the following information):

ObjectBox version: [e.g. 0.18.0-windows-x64, latest version?]
C or C++ version: [e.g. C++11, Visual Studio 2013]
Reproducibility: [always]
OS: [Windows 10]

To Reproduce
Steps to reproduce the behavior:
Just try to compile the code in a Visual C++ project.
Expected behavior
A clear and concise description of what you expected to happen.
Just I would like it to compile.
Code
If applicable, add code to help explain your problem.

Include affected entity code.
Please remove any unnecessary or confidential parts.
At best, link to or attach a project with a failing test.

Logs, stack traces
If applicable, add relevant logs, or a stack trace.

Additional context
Add any other context about the problem here.

Is there anything special about your code?
May transactions or multi-threading play a role?
Did you find any workarounds to prevent the issue?

coredump for double free to run example (win10 WSL)

Describe the bug
When I try the example c-cursor-no-gen, it is success to insert a new task, but print a coredump error in the end.

Basic info (please complete the following information):

ObjectBox version: 0.18.0
C or C++ version: c
Reproducibility: always
OS: Win10 WSL

To Reproduce

gdb information as following:

tanshuil@B013741:~/github/lymslive/lyObjectBox/build/_deps/objectbox-build/examples/c-cursor-no-gen$ gdb ./objectbox-c-examples-tasks
gdb: /usr/local/lib/libuuid.so.1: no version information available (required by /lib/x86_64-linux-gnu/libbabeltrace-ctf.so.1)
GNU gdb (Ubuntu 9.2-0ubuntu1~20.04.1) 9.2
Copyright (C) 2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from ./objectbox-c-examples-tasks...
(No debugging symbols found in ./objectbox-c-examples-tasks)
(gdb) r buy more milk
Starting program: /home/tanshuil/github/lymslive/lyObjectBox/build/_deps/objectbox-build/examples/c-cursor-no-gen/objectbox-c-examples-tasks buy more milk
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Using libobjectbox version 0.18.0, core version: 3.4.0-2022-10-31 (tree)
New task: 2 - buy more milk
free(): double free detected in tcache 2

Program received signal SIGABRT, Aborted.
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
50      ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1  0x00007fffff462859 in __GI_abort () at abort.c:79
#2  0x00007fffff4cd29e in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7fffff5f7298 "%s\n") at ../sysdeps/posix/libc_fatal.c:155
#3  0x00007fffff4d532c in malloc_printerr (str=str@entry=0x7fffff5f95d0 "free(): double free detected in tcache 2") at malloc.c:5347
#4  0x00007fffff4d6f9d in _int_free (av=0x7fffff62cb80 <main_arena>, p=0x8029a50, have_lock=0) at malloc.c:4201
#5  0x00007fffff6e6627 in obx_txn_close () from /home/tanshuil/github/lymslive/lyObjectBox/build/_deps/objectbox-download-src/lib/libobjectbox.so
#6  0x0000000008005b5c in do_action_new ()
#7  0x00000000080057f9 in main ()
(gdb)

Is there any tool to investigate or browse the database created by objectbox, no matter gui or cli

When I develop some application with the objectbox lib, I hope to have a separate tool to verify the records (objects) saved in the database, somthing like that for SQLite, to browse and lookup what table(entities) and records existed in current database file.

I have glanced at the repos in github.com/objectbox, but not found such a tool. Compare to 'objectject-generator` as pre-build tool, such a post-browse tool is also useful.

Maybe it is possible to write one using objectbox lib, while I think it is so common requirement, I wonder is there any project already provides such tool.

Any way of providing a .lib static library file?

I want to use objectbox but project limitations don't allow the inclusion of DLL dependencies. Is it possible to provide a .LIB file? Thank you.

Ability to change filename extension -- MDB conflicts with MS Access (MDB)

Start with a clear and concise description of what problem you are trying to solve.

When saving the database, it creates [objectbox] directory with files *.mdb
I'm on Windows platform, MDB extension is claimed by MS Access. Customers could accidentally double-click and Access would start, and then say 'unrecognized database format'.

A clear and concise description of what you want to happen.

I would like to rename the extension to something else. A custom extension, possible?

Describe alternatives you've considered

No idea. There's no way to rename extension?

Add any other context (e.g. platform or language) about the feature request here.

I need ability to change extension, change directory in-code, ability to save/load/close the database collection.

Conan package manager support

Hi,

Please, add conan package manager support.

I open an issue/request there:
conan-io/conan-center-index#11235

It will open the doors to we use on our projects like a dependency.

Thanks.

support Apple M1 Silicon

bash <(curl -s https://raw.githubusercontent.com/objectbox/objectbox-dart/main/install.sh)

Base config: OS Darwin and arch arm64
Adjusted OS to Macos
Using configuration Macos::arm64
Error: the platform configuration Macos::arm64 is unsupported.
You can select the configuration manually (use --help for details)
Possible values are:

Linux::x86_64
Linux::armv6
Linux::armv7
Linux::armv8
Windows::x86
Windows::x86_64
Macos::x86_64

BoAT-X Framework for XinYi-XY1100 Integration Guideline-Files Modification-inaccurate words

Chinese version:

在XinYi-XY1100平台中增加BoAT-X-Framework的功能支持选项

English version:
Increase the function support option of BoAT-X-Framework in XinYi-XY1100 platform

Here better use "add" rather than "increase"

Kindly suggest to change to
Add a new option to support BoAT-X-Framework in XinYi-XY1100 platform

support armv7 (not armv7hf)

Hello, objectbox:
We have a device that not support hard-float, but we really want to use objectbox. Can you please provide shared library or static library for armv7? Thank you very much.
( The chip on our device is Hi3516, and the system is linux.

can compile a DLL using static linking, changing the MD option to MT?

Windows-side DLL loading requires additional runtime libraries

Where is the implementation of obx_store_open function?

C# API/binding for ObjectBox

Is possible to make it C# compatible to Xamarin/Unity 3D?

erro try to run first objectbox c++ code

Describe the bug
hello guys.
this the first time i am using objectbox with c++ that give me that error :

i try to add objectbox.dll to system32 but not work

Basic info (please complete the following information):

ObjectBox version: latest
version: [ C++: 20 ,cmake :3.8]
OS: windows 21h2

To Reproduce
See error

Code

#include "main.h"
#include "objectbox.hpp"
#include "objectbox-model.h"
#include "task.obx.hpp"
#include "stdio.h"
using namespace std;

int main()
{
printf("Using ObjectBox version %s\n", obx_version_string());

obx::Store store(create_obx_model());

return
0
}

Logs, stack traces
Severity Code Description Project File Line Suppression State Details
Error LNK1120 4 unresolved externals C:\Users\myPc\source\repos\pro_one\out\build\x64-debug\pro_one C:\Users\myPc\source\repos\pro_one\out\build\x64-debug\pro_one.exe 1

The database file seems to have a limit of 1G, thens throws an exception when trying to put more objects

Describe the bug
I just test transfer large data from another database to objectbox, where each record has about 3000 fields.
When I have put about 40000 records into objectbox, and the file objectbox/data.mdb reach about 1GB size, then it refuse to put any more new object.

Throw obx::DbException with wath() message: Could not put.
And print Storage error(code -30792)

Basic info (please complete the following information):

ObjectBox version: latest version 0.18.0
C++11, gcc 4.8.5
OS: centos 7.9

Synchonization

Is the c/c++ library going to get synchronization any time soon?

Could not open database environment; please check options and file system

Describe the bug
Could not create ObjectBox - please check configuration: Could not open database environment; please check options and file system (13) [recovered]

Basic info (please complete the following information):

ObjectBox version: [latest version]
C or C++ version: [unknown]
Reproducibility: [always]
OS: [Window10]

To Reproduce
Steps to reproduce the behavior:
go test

Expected behavior

Code
Logs, stack traces

panic: Could not create ObjectBox - please check configuration: Could not open database environment; please check options and file system (13) [recovered]
        panic: Could not create ObjectBox - please check configuration: Could not open database environment; please check options and file system (13)

goroutine 51 [running]:
testing.tRunner.func1(0xc00012e700)
        /usr/lib/go-1.13/src/testing/testing.go:874 +0x3a3
panic(0x665820, 0xc000200540)
        /usr/lib/go-1.13/src/runtime/panic.go:679 +0x1b2
github.com/objectbox/objectbox-go/objectbox.(*Builder).Build(0xc00021c4c0, 0xc0002047e0, 0xc00021c4c0, 0x0)
        /home/ihbing/go/pkg/mod/github.com/objectbox/[email protected]/objectbox/builder.go:133 +0xdc
souobjectboxparser/objectboxparser.initObjectBox(0xc00012b600, 0x12, 0xc000220000)
        /mnt/f/task/soul/src/souobjectboxparser/objectboxparser/objectboxparser.go:66 +0xa6
souobjectboxparser/objectboxparser.ParseMDBData(0xc000220000, 0x1d000, 0x1d200, 0x0, 0x0)
        /mnt/f/task/soul/src/souobjectboxparser/objectboxparser/objectboxparser.go:34 +0x158
souobjectboxparser/objectboxparser.Start()
        /mnt/f/task/soul/src/souobjectboxparser/objectboxparser/objectboxparser.go:17 +0xc5
souobjectboxparser/objectboxparser.TestStart(0xc00012e700)
        /mnt/f/task/soul/src/souobjectboxparser/objectboxparser/objectboxparser_test.go:6 +0x20
testing.tRunner(0xc00012e700, 0x6e7ee0)
        /usr/lib/go-1.13/src/testing/testing.go:909 +0xc9
created by testing.(*T).Run
        /usr/lib/go-1.13/src/testing/testing.go:960 +0x350
exit status 2

Additional context

Prebuilt Libraries for Android

Hi, I am working on an Android NDK project which will use objectbox-c. Can you provide prebuilt libraries for Android as well in addition to the following?

Linux::x86_64
Linux::armv6
Linux::armv7
Windows::x86
Windows::x86_64
Macos::x86_64

Objectbox is open source, why can't we find the source code?

v0.20.0.tar.gz seems to be almost same as v0.19.0.tar.gz

Describe the bug
A lots of files in v0.20.0.tar.gz are same as those in v0.19.0.tar.gz

Basic info (please complete the following information):

ObjectBox version: 0.20.0
C or C++ version: C++20
Reproducibility: always
OS: Fedora 39

To Reproduce
Steps to reproduce the behavior:

get v0.20.0.tar.gz from github
cmake -S .
cmake --build build
cmake gets 0.19.0 so file

Expected behavior
cmake gets 0.20.0 so file.

Better docs

Hi,

I think that you can improve the docs with these topics:

More complete and complex examples
Relation one-to-many
Relation one-to-one
Storing date/time
Storing float/double
More complex queries (the examples in docs are too simple)
About indexes (if exists)
Full text-search
Queries with date/time
Date/time are stored as UTC timestamp?
How to work with Multi-thread?
Recovery after corruption file (it exists?)

Thanks.

[question] - database storage and size limits

hello team,
first, thanks for providing us this nice framework, it's really interesting to work with.

then, I have 2 questions, maybe it's a dumb ones:

technically, how big a database can be in storage? GBs? TBs?
one of my intentions is to store files inside the database, probably as a byte array. is there any recommended way for this? (performance related question);

that's all for now.
Thank you very much ^^

Ross.

Clarification on Android/iOS use

I'd love to use ObjectBox in a multi-platform Android/iOS app (C++, QT/QML stack), as it looks to be pretty much perfect for my use case. But. It is unclear to me if that is supported - the main library/project says that it is, but the C/C++ wrapper does not mention so, and there are no binaries on the releases page for Android or iOS.

There's #4, but in the replies, it is not clear to me what "Android APIs also include the C interface" means. Am I supposed to get the Java jars from the gradle repository, and those would expose the C interface?

So effectively, this is both a question, as well as a request for clarification in the readme/releases if ObjectBox can be used from Android and iOS. If yes, then a tutorial/tips on how to do so, would be very much appreciated.

Please clarify the closed source nature of this project.

The objectbox website as well as the repositories do a very good job of obfuscating the fact that objectbox is a closed source product. Please make this clear in the binding repos and on the site. It is very misleading.

I had to search through closed issues to find the answer.

BoAT-X Framework for XinYi-XY1100 Integration Guideline-Missing Spaces, wrong format

Build the demo program of XY1100, generate. bin file for download
Better add Space notation after the word "generate"
So the sentence will be look like
Build the demo program of XY1100, generate .bin file for download

undefined reference errors after following manual

Dear ObjectboxTeam,
i tried setting up ObjectBox for c++ as told in the manual.
After changing CmakeLists.txt to find the library i now keep getting undefined reference errors

ObjectBox version: [0.17.0]
C++ version: [20](i reproduced the error on different standards as well.)
OS: [linux mint]
IDE [CLion]

This is my Cmakelists.txt

cmake_minimum_required(VERSION 3.22)
project(objectboxtest)

set(CMAKE_CXX_STANDARD 20)

include(FetchContent)
FetchContent_Declare(
        objectbox
        GIT_REPOSITORY https://github.com/objectbox/objectbox-c.git
        GIT_TAG        v0.17.0
)

FetchContent_MakeAvailable(objectbox)

include_directories(cmake-build-debug/_deps/objectbox-sync-download-src/include)

FetchContent_Declare(
        flatbuffers
        GIT_REPOSITORY https://github.com/google/flatbuffers.git
        GIT_TAG        v2.0.0
)

FetchContent_MakeAvailable(flatbuffers)

file(COPY ${CMAKE_BINARY_DIR}/_deps/flatbuffers-src/include/flatbuffers
        DESTINATION "_deps/objectbox-sync-download-src/include/")

add_executable(objectboxtest main.cpp main.h objectbox-model.h tasklist.obx.cpp tasklist.obx.hpp)

target_link_libraries(objectbox INTERFACE objectbox)

And this is the error i keep getting

====================[ Build | objectboxtest | Debug ]===========================
/opt/clion-2022.1.3/bin/cmake/linux/bin/cmake --build /home/jonas/CLionProjects/objectboxtest/cmake-build-debug --target objectboxtest -j 1
[1/1] Linking CXX executable objectboxtest
FAILED: objectboxtest 
: && /usr/bin/g++ -g  CMakeFiles/objectboxtest.dir/main.cpp.o CMakeFiles/objectboxtest.dir/tasklist.obx.cpp.o -o objectboxtest   && :
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::(anonymous namespace)::throwLastError(int)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:78: undefined reference to `obx_last_error_code'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:81: undefined reference to `obx_last_error_message'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:86: undefined reference to `obx_last_error_message'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::(anonymous namespace)::checkErrOrThrow(int)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:94: undefined reference to `obx_last_error_code'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::(anonymous namespace)::CursorTx::~CursorTx()':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:532: undefined reference to `obx_cursor_close'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::(anonymous namespace)::idVectorOrThrow(OBX_id_array*)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:569: undefined reference to `obx_last_error_code'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:578: undefined reference to `obx_id_array_free'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:581: undefined reference to `obx_id_array_free'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::(anonymous namespace)::QCGroup::applyTo(OBX_query_builder*, bool) const':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:697: undefined reference to `obx_qb_any'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:698: undefined reference to `obx_qb_all'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `create_obx_model':
/home/jonas/CLionProjects/objectboxtest/objectbox-model.h:23: undefined reference to `obx_model'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/objectbox-model.h:26: undefined reference to `obx_model_entity'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/objectbox-model.h:27: undefined reference to `obx_model_property'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/objectbox-model.h:28: undefined reference to `obx_model_property_flags'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/objectbox-model.h:29: undefined reference to `obx_model_property'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/objectbox-model.h:30: undefined reference to `obx_model_property'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/objectbox-model.h:31: undefined reference to `obx_model_property_flags'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/objectbox-model.h:32: undefined reference to `obx_model_property'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/objectbox-model.h:33: undefined reference to `obx_model_property_flags'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/objectbox-model.h:34: undefined reference to `obx_model_entity_last_property_id'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/objectbox-model.h:36: undefined reference to `obx_model_last_entity_id'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `OBX_store_options* obx::(anonymous namespace)::checkPtrOrThrow<OBX_store_options>(OBX_store_options*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_code'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_message'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `OBX_store* obx::(anonymous namespace)::checkPtrOrThrow<OBX_store>(OBX_store*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_code'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_message'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `OBX_txn* obx::(anonymous namespace)::checkPtrOrThrow<OBX_txn>(OBX_txn*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_code'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_message'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `OBX_cursor* obx::(anonymous namespace)::checkPtrOrThrow<OBX_cursor>(OBX_cursor*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_code'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_message'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `OBX_box* obx::(anonymous namespace)::checkPtrOrThrow<OBX_box>(OBX_box*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_code'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_message'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::Options::Options()':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:152: undefined reference to `obx_opt'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::Options::~Options()':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:159: undefined reference to `obx_opt_free'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::Options::model(OBX_model*)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:164: undefined reference to `obx_opt_model'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::Store::Store(obx::Options&)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:404: undefined reference to `obx_store_open'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::Transaction::Transaction(obx::Store&, obx::TxMode)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:462: undefined reference to `obx_txn_write'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:462: undefined reference to `obx_txn_read'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::Transaction::closeNoThrow()':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:500: undefined reference to `obx_txn_close'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::(anonymous namespace)::CursorTx::CursorTx(obx::TxMode, obx::Store&, unsigned int)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:521: undefined reference to `obx_cursor'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::Store::~Store()':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:2192: undefined reference to `obx_store_close'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::Box<Task>::Box(obx::Store&)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:1652: undefined reference to `obx_box'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::Box<Task>::put(Task const&, OBXPutMode)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:1795: undefined reference to `obx_box_put_object4'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:1797: undefined reference to `obx_last_error_code'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::Box<Task>::remove(unsigned long)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:1844: undefined reference to `obx_box_remove'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/main.cpp.o: in function `obx::Box<Task>::get(unsigned long, Task&)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:1721: undefined reference to `obx_cursor_get'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/tasklist.obx.cpp.o: in function `obx::(anonymous namespace)::throwLastError(int)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:78: undefined reference to `obx_last_error_code'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:81: undefined reference to `obx_last_error_message'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:86: undefined reference to `obx_last_error_message'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/tasklist.obx.cpp.o: in function `obx::(anonymous namespace)::checkErrOrThrow(int)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:94: undefined reference to `obx_last_error_code'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/tasklist.obx.cpp.o: in function `obx::(anonymous namespace)::idVectorOrThrow(OBX_id_array*)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:569: undefined reference to `obx_last_error_code'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:578: undefined reference to `obx_id_array_free'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:581: undefined reference to `obx_id_array_free'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/tasklist.obx.cpp.o: in function `obx::(anonymous namespace)::QCGroup::applyTo(OBX_query_builder*, bool) const':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:697: undefined reference to `obx_qb_any'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:698: undefined reference to `obx_qb_all'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/tasklist.obx.cpp.o: in function `OBX_store_options* obx::(anonymous namespace)::checkPtrOrThrow<OBX_store_options>(OBX_store_options*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_code'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_message'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/tasklist.obx.cpp.o: in function `OBX_store* obx::(anonymous namespace)::checkPtrOrThrow<OBX_store>(OBX_store*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_code'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_message'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/tasklist.obx.cpp.o: in function `OBX_txn* obx::(anonymous namespace)::checkPtrOrThrow<OBX_txn>(OBX_txn*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_code'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_message'
/usr/bin/ld: CMakeFiles/objectboxtest.dir/tasklist.obx.cpp.o: in function `OBX_cursor* obx::(anonymous namespace)::checkPtrOrThrow<OBX_cursor>(OBX_cursor*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
/home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_code'
/usr/bin/ld: /home/jonas/CLionProjects/objectboxtest/cmake-build-debug/_deps/objectbox-sync-download-src/include/objectbox.hpp:105: undefined reference to `obx_last_error_message'
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.

Thank you very much in advance.
Jonas

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