795 questions
1
vote
0
answers
69
views
Problem to set up conan project so that library can be found in search path
I have this project structure:
MaterialStack/
├─ CMakeLists.txt
├─ libraries/
│ └─ material_data_lib/
│ ├─ CMakeLists.txt
│ ├─ conanfile.py
│ └─ src/...
- 1,121
0
votes
0
answers
54
views
Why does conan info require a lockfile?
I am using conan 1.66.0 and when I try to run
conan info conanfile.py -pr:h $host_profile -pr:b $build_profile
I get this error:
ERROR: Missing lockfile in: /path/to/conanfile.py
Doing first conan ...
- 2,290
0
votes
1
answer
170
views
How to set exact MSVC toolset version in Conan2 + cmake . Build using ninja
I need to set up conan 2 + cmake C++ project build so it will always use VCToolsVersion "14.40.33807" when several toolsets are installed on the desktop.
- 764
0
votes
0
answers
92
views
'There is a cycle/loop in the graph' — what causes it?
I am building a package that depends on two tools: toola and toolb.
These tools may depend on different CMake packages.
In my package recipe, the tool dependencies are declared as:
tool_requires = (
...
- 197
5
votes
0
answers
341
views
Generate Python wheels with conan
I want to generate Python wheels for my project (the last step before to put them on PyPI). I use conan for that. CMake found system dependencies but not conan dependencies for Ceres, Eigen and ...
- 143
0
votes
1
answer
52
views
undefined reference to namespace::function?
I am trying to explore how to work with Conan through CLion, CMake and everything and so far I have a main project which depends on fmt/10.1.1 and from a personal library. What am I doing wrong here, ...
0
votes
1
answer
106
views
Try to use `tools.build:skip_test` for a conan project
I have a conan project which provides CMake features.
In this project I want to test these features through C++ programs.
When I do a conan create ., I want the tests to be done only with an option ...
- 55
0
votes
0
answers
96
views
Using Conan v-2.x built packages of one build type in a cmake project building using another build type
When using a single configuration environment of UnixMakeFiles, and Conan 1.x, it was easy to specify a build type in the Conan profile, and use the packages in cmake using cmake generator and the ...
- 11
0
votes
0
answers
111
views
Conan Header Not Found: Header Exists in Package but Fails to Compile in CMake Project
I'm working with a C++ project using Conan for dependency management and CMake as the build system.
I created a new Conan package for a static library called mylib. The header files are located under ...
- 45
1
vote
2
answers
150
views
Unable to build conan package dependencies [GTest] with tool_requires(cmake)
I have such simple package in conanfile.py in root of my project that looks like this:
from conan import ConanFile
from conan.tools.cmake import CMakeToolchain, CMakeDeps, CMake, cmake_layout
class ...
- 13
0
votes
0
answers
391
views
conan create throws compiler.cppstd 14 vs 17 compatibility error
Task is to generate static libraries out of the SDKs we currently have for various OSs.
I have generated the artifacts for my project, use it to run a conan install and cmake in the build_release ...
- 1
0
votes
1
answer
60
views
Cmake with Conan Multiple Includes Retain Path
I am trying to create a library or possibly better to make two libraries. The file structure is below (with generic names). I am trying to get the ExampleProject to be able to include messageA.h, ...
- 177
1
vote
1
answer
121
views
Build Conan 2 packages with LTO
I want to build from source Conan 2 packages with LTO using GCC and Unix Makefiles generator. I'm building packages with conan install . --build=missing. LTO (Link Time Optimization) can be enabled in ...
- 1,383
1
vote
1
answer
231
views
Unable to use Boost 1.87.0 with Conan + CMake + CLion
I'm trying to add the Boost library to my project.
I'm using CLion for C++, and CMake, while also having a requirement of using Conan.
I've tried both Conan with CLI and the Conan Plugin, but both ...
0
votes
1
answer
232
views
Conan profile: different compiler flags per build type
I have the following Conan default profile:
[settings]
build_type=Debug
arch=x86_64
compiler=gcc
compiler.cppstd=gnu23
compiler.libcxx=libstdc++11
compiler.version=14
os=Linux
[conf]
tools.build:...
- 1,383
2
votes
1
answer
112
views
Make conan install print underlying compiler commands like g++ when building from source
I'd like conan install . --build=missing to print the underlying compiler commands when building from source.
Increasing the verbosity level (e.g. -vvv) doesn't help. I suspect I need to pass ...
- 1,383
0
votes
0
answers
140
views
How to distributed C++ shared libraries with Conan?
To give a brief overview of my situation. I have a monorepo consisting of 4 libraries and N executables using these libraries. I am using Conan 2.x with the incubating workspaces feature to manage to ...
0
votes
0
answers
60
views
Is there any advanced use of the autogenerated .bat/.sh generator conan files(e.g.: conanbuild.bat, conanbuildenv-release-x86_64.bat)?
I am using conan version 2.12 and this command:
conan install -r --output-folder= --build=missing
[requires]
zlib/1.2.13
[tool_requires]
cmake/3.22.6
make/4.4.1
ninja/1.12.1
[generators]
CMakeDeps
...
0
votes
1
answer
81
views
How to set a non-persistent git config?
i got a question mainly about git config. I hope you can help me.
Abstract problem:
I want to set a non-persistent git config that is applied to all git commands until I reboot/leave terminal session (...
- 1,867
0
votes
0
answers
253
views
Conan Fails to Build Boost
I am new to conan, I am trying to integrate it to my project through a conanfile.py
My conanFile.py is this
from conan import ConanFile
from conan.tools.cmake import cmake_layout
class ProjectName(...
- 3
0
votes
0
answers
188
views
In conan, how do I set the target version of Windows to build for
I need to build a package, with conan (with which I have limited experience), and I need to set the target OS version to Windows 10 1809. I've been unable to find a straightforward way to express this....
- 12.8k
0
votes
1
answer
194
views
How to use Conan-managed tools from `tool_requires` in CMake?
C++ project on Linux using Conan (v2) for dependencies.
When using the Conan package libavrocpp/1.11.3 in conanfile.py:
def requirements(self):
self.requires("libavrocpp/1.11.3")
def ...
- 169
0
votes
0
answers
44
views
Control pipeline execution order in gitlab CI using conan to determine order
I have a private gitlab instance with a lot of repositories for conan packages (70+). Developers will often change multiple repositories in a single CR. I'm trying to figure out how to control the CI ...
- 1,445
1
vote
1
answer
120
views
How do I consume a dependent C library from a Conan package registry using Conan and Cmake in a CI/CD pipeline?
I have two C libraries, where Lib_a.a has a dependency on lib_b.a I am developing a GitLab CI/CD pipeline that will download from the package registry and link to lib_b.a when building lib_a.a
So far, ...
- 113
1
vote
0
answers
137
views
Building a program with OpenCV using Conan fails on Linux
I am trying to build my project using Conan. My project use OpenCV.
I am using Conan version 2.12.2.
I ran the following command :
sudo conan install .. --build=missing -of . -s:h compiler.cppstd=...
- 91
0
votes
1
answer
81
views
conan new template project build fails with header file not found
Following their template, I have:
conan new cmake_lib -d name=mlpackmsvc -d requires=mlpack/4.4.0
followed by conan build .
This ends up with error:
C:\test\src\mlpackmsvc.cpp(3,10): error C1083: ...
0
votes
0
answers
149
views
cross compiling ffmpeg with conan fails: x86_64-w64-mingw32-ld: unrecognised emulation mode: 64
I'm trying to install ffmpeg (and some other libraries, but ffmpeg alone fails too) with conan to cross compile from linux (ubuntu) to windows.
Conan throws an error on Running configure, inside build(...
- 45
1
vote
0
answers
64
views
How is case sensitivity handled when using cmake-conan Linux
I have a C++ project which I built and run successfully on Windows using CMake, conan, and cmake-conan integration. When I try to build the same project on Linux (OracleLinux 9), I get the following ...
- 65
0
votes
1
answer
242
views
Access files in the directory running the conan create command
Trying to create a conan (v2.11) package from a zip archive to store in a gitlab conan registry. However in my conanfile.py I can't seem to copy or access files from the directory where I'm running ...
- 1,926
0
votes
0
answers
112
views
Create python packages with C++ bindings with CMake and Conan
I have a C++ project with some Python bindings created using pybind11. The C++ code has some external dependencies which I fetch using Conan, and I use the conan generated CMake presets to build the ...
- 1,757
0
votes
0
answers
177
views
How can I get my Conan recipe to require a certain version of CMake?
I'm updating a Conan recipe of a library of mine. This library now requires a relatively new version of CMake to run. How do I "tell" Conan - or at least, the PR action checkers on github....
- 137k
0
votes
1
answer
200
views
CMake Error: "Generator MinGW Makefiles does not support platform specification, but platform x64 was specified."
build.bat:
@echo off
setlocal
if not exist build (
mkdir build
)
pushd build
conan install .. --output-folder=. --build=missing
cmake .. -G "MinGW Makefiles" -DCMAKE_TOOLCHAIN_FILE=...
- 61
0
votes
0
answers
147
views
How can I stop the Conan 2.0 CMakeDeps generator setting INTERFACE_LINK_DIRECTORIES?
I'm installing dependencies with Conan 2.0, specified in my conanfile.py. I don't want the cmake config files set INTERFACE_LINK_DIRECTORIES on any of the targets.
As a first step I tried to disable ...
- 7,879
0
votes
0
answers
105
views
Comping `gcc` for different host/target CPU
I am on a system where I need to compile gcc-14 and clang-19 from scratch. The host CPU has the characteristics [1] and the target has [2]. So far my strategy to compile gcc was as follows:
# git ...
- 554
0
votes
0
answers
116
views
Packaging Proto files in a Conan package for CMake use
My team is attempting to package a collection of .proto files into a shared library for use in multiple other repositories. Currently, this is done by compiling them into a C++ static library that the ...
- 103
0
votes
0
answers
49
views
Why no profiler.h in the conan gperftools latest versions?
Starting from version 2.11, the file gperftools/profiler.h disappears. https://conan.io/center/recipes/gperftools?version=2.16
How to profile the application of recent versions if I want to install a ...
- 115
1
vote
0
answers
166
views
Fail to use boost 1.83 installed by Conan2 on C++ based executable, due to missing header 'cstddef'
I've got a project that uses boost library compiled and installed on my macOS build machine using conan2 under CMake.
I've managed to reproduce the problem using the following minimal code. my project ...
- 5,214
0
votes
0
answers
304
views
Setting boost compilation options in conanfile.py
I've got the following structure of conanfile.py for the purpose of installing boost in my macOS build machine. Apparently some boost components are not supported in this platform and should be ...
- 5,214
2
votes
0
answers
392
views
How to run conan install to build one package with a different compiler.cppstd
I'm building a number of packages with conan install, the packages are defined in a conanfile.py. One of the packages needs to be built with a different compiler.cppstd setting than the rest.
How can ...
- 7,879
0
votes
1
answer
191
views
Conan2 : Loading environment variables from bash script in Cmake
In Conan2, there are new autogenerated files that contains useful variables like the package location.
In macOS, the file is called conanbuild.sh which calls a more specific file named conanbuildenv-...
- 5,214
1
vote
2
answers
128
views
"'.../src/onnx/gen_proto.py' is not a Conan command" when building onnx
I have the following conanfile.py in my project on which I run the command conan install . --output-folder=build --build=missing -v.
import os
from conan import ConanFile
class ProjectRecipe(...
- 65
0
votes
1
answer
49
views
Does a Conan installation from a system installer still require an installation from pip to be able to work with a conanfile.py?
I have installed conan using a system installer (.exe) on Windows and it works perfectly when I install packages using a conanfile.txt. However I get the following error when I try to install packages ...
- 65
0
votes
1
answer
93
views
How to limit CMake components' propagated dependencies
I would like to optimize my CMake project, which uses Conan as dependency management tool. It is an executable, which depends on few Conan libraries. However, the need for sharing some headers and ...
4
votes
0
answers
1k
views
Artifactory-cpp-ce - "Unsupported operation: federated" after upgrade to latest version
After I upgraded my artifactory-cpp-ce (conan version) from 7.10.6 to 7.98.8, I started seen a new error in the logs that looks like: 2024-11-15T12:27:58.199Z [jfrt ] [ERROR] [1c6a13511b3b7426] [c.e.m....
- 85
0
votes
0
answers
90
views
Linker Error and wrong target architecture while building OpenSSL for Android
I want to build OpenSSL for Android, as a dependency of my C++-application which is built via Conan. The conan build (conan install /.../my_project -pr:h android34-armv8-clang-17-c++_shared -pr:b ...
- 101
1
vote
0
answers
63
views
I'm getting a conan "FileNotFoundError"
I'm using conan 1.55.0 to package my project and upload it to the Artifactory.
I'm running this command:
'conan export-pkg -f <conan_file_path.py> <artifactory recipe>'
My conan.py ...
- 11
1
vote
1
answer
441
views
Tell conan to use my installation of cmake instead of compiling one from scratch
For my project I'm using conan version 2.5.0, I'm also working on NixOS. After setting up everything and trying to install the depedencies of my project, I found out that conan compiles and tries to ...
- 405
0
votes
0
answers
174
views
Visual Studio Code + Conan 1: includePath not resolving third party libraries
I have jumped into an existing project where conan 1 and cmake are used and I am trying to get visual studio code setup in a way that code navigation works as best as it could. conan 1 is deprecated ...
- 69
0
votes
1
answer
417
views
How does conan determine binary compatibility between different compiler versions?
I am trying to install expat/2.5.0 using the command python -m conans.conan install expat/2.5.0@ -pr <profile> where my profile is identical in both cases but only using, compiler.version=193 ...
- 355
0
votes
1
answer
624
views
How to link gtest with cmake and conan?
I'm trying to use gtest in my project. I'm installing gtest with conan 2.x. There is my conanfile.txt:
[requires]
gtest/1.15.0
[generators]
CMakeDeps
CMakeToolchain
then I'm doing "conan ...
- 43