Last week I was eager to check out a little Flutter application built by Lucas Schuster.
I was especially interested in trying the Flutter Desktop support for Linux.
After installing Flutter via fvm, I checked out his Git repository and issued the following command for building the Flutter app on Linux:
flutter build linux
Unfortunately this gave me the following error message:
CMake Error at /usr/share/cmake/Modules/FindPkgConfig.cmake:605 (message): A required package was not found Call Stack (most recent call first): /usr/share/cmake/Modules/FindPkgConfig.cmake:827 (_pkg_check_modules_internal) flutter/CMakeLists.txt:25 (pkg_check_modules)
I doubled checked the official documentation and verified that the following packages were installed:
Afterwards I reran the build command but with the verbose flag enabled:
flutter build linux -v
Which resulted in:
[ ] -- Checking for module 'gtk+-3.0' [ +1 ms] -- No package 'gtk+-3.0' found
Flutter was not able to locate my gtk installation.
You can check if
pkg-config can locate the package by running:
pkg-config --libs gtk+-3.0
This command returned the following error on my system:
Package gtk+-3.0 was not found in the pkg-config search path. Perhaps you should add the directory containing `gtk+-3.0.pc' to the PKG_CONFIG_PATH environment variable No package 'gtk+-3.0' found
I fixed this by figuring out where
gtk3 is installed and adding the directory to the
Check where the package is located:
pacman -Ql gtk3 gtk3 /usr/lib/pkgconfig/gtk+-3.0.pc
Let's add this directory to
PKG_CONFIG_PATH environment variable:
You might want to add this to your
.zshrc config file.
Don't forget to reload your environment, e.g. with the
After modifying the
PKG_CONFIG_PATH the Flutter build returned:
Package 'shared-mime-info', required by 'gdk-pixbuf-2.0', not found Configuring incomplete, errors occurred!
Okay, another familiar error, let's check if
shared-mime-info is available:
pkg-config --libs shared-mime-info
If the package was not found on your system, you can install it via
yay -Sy shared-mime-info
Afterwards check the installation path:
yay -Ql shared-mime-info
Search for the directory including the
shared-mime-info.pc file, in my case it was:
Therefore, I added this directory to the
PKG_CONFIG_PATH as well:
Afterwards I was able to build and run the Flutter application on Manjaro!
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