Hmm, on my system, the file is located at /usr/src/xserver/include/xserver-properties.h, and this doesn't seen to find it:

-- The following features have been disabled:

 * XorgServer, XServer header needed for touchpad KCM (X11 backend)

-- The following OPTIONAL packages have not been found:

 * XorgServer, XServer header needed for touchpad KCM (X11 backend)

In D29514#665869, @ngraham wrote:

Hmm, on my system, the file is located at /usr/src/xserver/include/xserver-properties.h, and this doesn't seen to find it:

Where is synaptics-properties.h located on your system, if you even have been building touchpad kcm so far?

In D29514#665911, @asturmlechner wrote:

In D29514#665869, @ngraham wrote:

Hmm, on my system, the file is located at /usr/src/xserver/include/xserver-properties.h, and this doesn't seen to find it:

Where is synaptics-properties.h located on your system, if you even have been building touchpad kcm so far?

It's in /usr/include/xorg.

I must confess I've never actually been able to build it, so I appreciate your efforts here to fix that.

What I'd really like is the ability to build just the libinput one if I don't have the synaptics dev stuff installed.

In D29514#665912, @ngraham wrote:

In D29514#665911, @asturmlechner wrote:

In D29514#665869, @ngraham wrote:

Hmm, on my system, the file is located at /usr/src/xserver/include/xserver-properties.h, and this doesn't seen to find it:

Where is synaptics-properties.h located on your system, if you even have been building touchpad kcm so far?

It's in /usr/include/xorg.

I must confess I've never actually been able to build it, so I appreciate your efforts here to fix that.

In that case yes it must have failed so far during build, now cmake will warn you already. It is now the same as with Evdev, Libinput and Synaptics, if you don't have them in system paths you would have to somehow feed the alternative paths to cmake.

In D29514#665912, @ngraham wrote:

What I'd really like is the ability to build just the libinput one if I don't have the synaptics dev stuff installed.

Me too, unfortunately that will take a bit more work untangling the bits. In our source package I use this patch which enables me to bundle only the four headers and get rid of them as build dependencies, then point cmake to the bundle dir: https://gitweb.gentoo.org/repo/gentoo.git/tree/kde-plasma/plasma-desktop/files/plasma-desktop-5.18.5-override-include-dirs.patch

In D29514#665869, @ngraham wrote:

Hmm, on my system, the file is located at /usr/src/xserver/include/xserver-properties.h, and this doesn't seen to find it:

What distro are you running?

In D29514#665869, @ngraham wrote:

Hmm, on my system, the file is located at /usr/src/xserver/include/xserver-properties.h, and this doesn't seen to find it:

-- The following features have been disabled:

 * XorgServer, XServer header needed for touchpad KCM (X11 backend)

-- The following OPTIONAL packages have not been found:

 * XorgServer, XServer header needed for touchpad KCM (X11 backend)

That's the source package location, not where you'd expect to find the headers for usage by other packages. You'd probably be looking for /usr/include/xorg/xserver-properties.h.

In D29514#665916, @cblack wrote:

That's the source package location, not where you'd expect to find the headers for usage by other packages. You'd probably be looking for /usr/include/xorg/xserver-properties.h.

It isn't in there on openSUSE TW.

Never mind, @zzag discovered that I didn't have the xorg-x11-server-sdk package installed, so nothing to see here, and sorry for the noise!