KDevelop on Gentoo | Brooks Computing Systems

KDevelop is KDE’s integrated development environment and works well for C and C++ development on Gentoo. It pulls in Qt and KDE Framework dependencies, so the safest install path is to sync Portage, set the needed USE flags, then install the IDE and debugging/build tools.

For C++ work, KDevelop is a good fit with clang, gdb, and cmake. It also works fine for wxWidgets development as an editor, code browser, build runner, and debugger front end.

This page gives you a complete install flow plus fixes for the common Qt, Wayland, and OpenGL dependency issues.

Start with a clean sync and update so dependency resolution has the best chance to succeed.

sudo emerge --sync
                                        sudo emerge -uDN @world

If Portage reports config files in /etc/portage that need updating, merge them before installing KDevelop.

Create a package USE file for the KDevelop stack:

sudo mkdir -p /etc/portage/package.use
                                        sudo nano /etc/portage/package.use/kdevelop

Add:

dev-util/kdevelop kde
                                        kde-frameworks/kio kde
                                        dev-qt/qtbase gui widgets opengl

For Wayland systems:

echo "dev-qt/qtbase wayland opengl gui widgets" | sudo tee -a /etc/portage/package.use/qt

That fixes the usual Qt requirement issue tied to wayland? ( opengl ).

Install KDevelop:

sudo emerge --ask dev-util/kdevelop

Add compiler, debugger, and CMake support:

sudo emerge --ask sys-devel/gdb sys-devel/clang dev-util/cmake

Launch from terminal or your desktop menu:

kdevelop

Basic checks:

Create or open a CMake project
Confirm the compiler is detected
Confirm GDB is available
Build a sample project and verify output

More backtracking:

sudo emerge --ask --backtrack=100 dev-util/kdevelop

Update Portage config files:

sudo etc-update
                                        # or
                                        sudo dispatch-conf

Inspect dependency pulls:

emerge --ask --verbose dev-util/kdevelop

Use all CPU cores for builds:

echo 'MAKEOPTS="-j$(nproc)"' | sudo tee -a /etc/portage/make.conf

sudo emerge --sync
                                        sudo emerge -uDN @world

                                        sudo mkdir -p /etc/portage/package.use

                                        cat <<'EOF' | sudo tee /etc/portage/package.use/kdevelop dev-util/kdevelop kde kde-frameworks/kio kde dev-qt/qtbase gui widgets opengl EOF echo "dev-qt/qtbase wayland opengl gui widgets" | sudo tee -a /etc/portage/package.use/qt sudo emerge --ask dev-util/kdevelop sudo emerge --ask sys-devel/gdb sys-devel/clang dev-util/cmake kdevelop