cmake-config | Command line tool for getting information | Build Tool library
kandi X-RAY | cmake-config Summary
kandi X-RAY | cmake-config Summary
Command line tool for getting information about CMake-installed packages, in the vein of pkg-config. Build systems are a wonderful thing. Unfortunately, there are more than one. And while CMake is my build system of choice for personal research code, I often find myself working within other systems (autoconf, ROS, someone else’s hard-coded Makefile, etc). Getting these to play nicely with other dependencies can be a pain. For packages installed through apt-get, pkg-config lets us query for build information straight from the command line. cmake-config attempts to do the same for CMake projects. The version can be forced with a --version flag. If you have a local install, it can be used with the --module-path option. If you are using a library with components (e.g. Boost), specific components can be specified with the --components option. For a complete list of options, see.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of cmake-config
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Community Discussions
Trending Discussions on cmake-config
QUESTION
I use CMake to create the DLL and SO file from my own C++ library, which I then call in my C# code via DLLImport. This has worked so far under Windows and under Linux (Docker). Now the library has been extended, which continues to work on Windows with the DLL. However, under Linux I now get the following error message when calling a DLL function:
Unable to load shared library 'CustomLib' or one of its dependencies. In order to help diagnose loading problems, consider setting the LD_DEBUG environment variable: libCustomLib: cannot open shared object file: No such file or directory
Since it worked before under Linux I think it should find the library and therefore the dependencies are the problem. But now I don't know how to proceed.
A colleague helped me with the analysis and I got the following information
...ANSWER
Answered 2022-Jan-27 at 08:19We have solved the problem. The reason was that the backend was running a different Linux distribution (Debian) than the Linux in which the DLL/SO was built (Ubuntu).
I changed the image in the dockerfile from ...:5.0 to ...:5.0-focal for Ubuntu.
QUESTION
I just wonder how you can know how to properly case the libraries in vcpkg? i.e.
find_package(gtest REQUIRED) will fail but
find_package(GTest REQUIRED) will pass
What I mean is if I list the installed packages I get them in lowercase letters, i.e.
...ANSWER
Answered 2022-Jan-22 at 19:21Assuming you are correctly adding -DCMAKE_TOOLCHAIN_FILE=$HOME/Proj/vcpkg/scripts/buildsystems/vcpkg.cmake
to your build, then what you're observing has nothing to do with vcpkg in particular.
find_package
is as case-sensitive as the filesystem you're on. On Windows, gtest
will happen to work, but the real name is GTest
, so only that one works on Linux. The name of the fftw3
package is, similarly, FFTW3
.
Vcpkg very helpfully tells you this, too:
QUESTION
I have a ROS2 workspace project like this:
...ANSWER
Answered 2021-Nov-30 at 09:22In your buildscript you're executing:
QUESTION
I am using gcc 6.3.0 (specifically MinGW, though I want to support linux too). My code has working constexpr
functions. A library I use uses a macro in function declarations with constexpr
potential, which is only defined as constexpr
when __has_feature(cxx_relaxed_constexpr)
. Although I know that the library functions in question would work correctly with the macro defined, it is not defined as constexpr
because apparently mingw g++ (and maybe real g++) does not have that feature enabled by default. I would like to make g++ enable that flag, hopefully via cli flag within the makefile, so I don't have to modify the library header.
constexpr if
and/or if constexpr
would be nice too, if possible.
The most relevant SO post I can find is this one, which is unanswered.
...ANSWER
Answered 2020-Apr-16 at 21:06You need a better time machine.
- GCC 6.3 was released on December 21, 2016.
- The C++17 standard was not released until the end of 2017.
This page says that constexpr if
was first available in gcc 7.
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Install cmake-config
You can use cmake-config like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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