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gtk: build gtk4-layer-shell ourselves

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As of now `gtk4-layer-shell` is unavailable on recent, stable releases
of many distros (Debian 12, Ubuntu 24.04, openSUSE Leap & Tumbleweed, etc.)
and outdated on many others (Nixpkgs 24.11/unstable, Fedora 41, etc.)
This is inconvenient for our users and severely limits where the quick
terminal can be used. As a result we then build gtk4-layer-shell ourselves
by default unless `--system` or `-fsys=gtk4-layer-shell` are specified.
This also allows me to add an idiomatic Zig API on top of the library
and avoiding adding even more raw C code in the GTK apprt.

Since we now build gtk4-layer-shell it should be theoretically available
on all Linux systems we target. As such, the `-Dgtk-layer-shell` build
option has been removed. This is somewhat of an experimental change as
I don't know if gtk4-layer-shell works perfectly across all distros, and
we can always add the option back if need be.
This commit is contained in:
Leah Amelia Chen
2025-03-07 17:03:23 +01:00
parent e07b6fdf6b
commit cd442eb9e2
15 changed files with 241 additions and 68 deletions
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9
src/build/Config.zig
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@@ -34,7 +34,6 @@ font_backend: font.Backend = .freetype,
/// Feature flags
x11: bool = false,
wayland: bool = false,
layer_shell: bool = false,
sentry: bool = true,
wasm_shared: bool = true,
@@ -163,12 +162,6 @@ pub fn init(b: *std.Build) !Config {
"Enables linking against X11 libraries when using the GTK rendering backend.",
) orelse gtk_targets.x11;
config.layer_shell = b.option(
bool,
"gtk-layer-shell",
"Enables linking against the gtk4-layer-shell library for quick terminal support. Requires Wayland.",
) orelse gtk_targets.layer_shell;
//---------------------------------------------------------------
// Ghostty Exe Properties
@@ -366,6 +359,7 @@ pub fn init(b: *std.Build) !Config {
"libpng",
"zlib",
"oniguruma",
"gtk4-layer-shell",
}) |dep| {
_ = b.systemIntegrationOption(
dep,
@@ -398,7 +392,6 @@ pub fn addOptions(self: *const Config, step: *std.Build.Step.Options) !void {
step.addOption(bool, "flatpak", self.flatpak);
step.addOption(bool, "x11", self.x11);
step.addOption(bool, "wayland", self.wayland);
step.addOption(bool, "layer_shell", self.layer_shell);
step.addOption(bool, "sentry", self.sentry);
step.addOption(apprt.Runtime, "app_runtime", self.app_runtime);
step.addOption(font.Backend, "font_backend", self.font_backend);