From fd3fa760d336312acafeb6812b5b0068f5851f27 Mon Sep 17 00:00:00 2001
From: Scott Anderson <scott@anderso.nz>
Date: Fri, 24 Aug 2018 19:35:02 +1200
Subject: Revert "Revert "Merge pull request #1194 from
 ascent12/meson_feature""

This reverts commit 9c886f20b97b6ab1ac85b849f1fe7f16eb199ff0.
---
 backend/meson.build     | 20 +++++---------------
 backend/x11/meson.build | 44 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+), 15 deletions(-)
 create mode 100644 backend/x11/meson.build

(limited to 'backend')

diff --git a/backend/meson.build b/backend/meson.build
index 52abe64d..dd1f4df3 100644
--- a/backend/meson.build
+++ b/backend/meson.build
@@ -1,3 +1,4 @@
+backend_parts = []
 backend_files = files(
 	'backend.c',
 	'drm/atomic.c',
@@ -44,28 +45,17 @@ else
 	backend_files += files('session/direct.c')
 endif
 
-if conf_data.get('WLR_HAS_SYSTEMD', false)
+if logind.found()
 	backend_files += files('session/logind.c')
-	backend_deps += systemd
+	backend_deps += logind
 endif
 
-if conf_data.get('WLR_HAS_X11_BACKEND', false)
-	backend_files += files(
-		'x11/backend.c',
-		'x11/input_device.c',
-		'x11/output.c',
-	)
-	backend_deps += xcb_xkb
-endif
-
-if conf_data.get('WLR_HAS_ELOGIND', false)
-	backend_files += files('session/logind.c')
-	backend_deps += elogind
-endif
+subdir('x11')
 
 lib_wlr_backend = static_library(
 	'wlr_backend',
 	backend_files,
 	include_directories: wlr_inc,
+	link_whole: backend_parts,
 	dependencies: backend_deps,
 )
diff --git a/backend/x11/meson.build b/backend/x11/meson.build
new file mode 100644
index 00000000..1164df1e
--- /dev/null
+++ b/backend/x11/meson.build
@@ -0,0 +1,44 @@
+x11_libs = []
+x11_required = [
+	'xcb',
+	'x11-xcb',
+]
+x11_optional = [
+	'xcb-xkb',
+]
+
+foreach lib : x11_required
+	dep = dependency(lib, required: get_option('x11-backend'))
+	if not dep.found()
+		subdir_done()
+	endif
+
+	x11_libs += dep
+endforeach
+
+foreach lib : x11_optional
+	dep = dependency(lib, required: get_option(lib))
+	if dep.found()
+		x11_libs += dep
+		conf_data.set('WLR_HAS_' + lib.underscorify().to_upper(), true)
+	endif
+endforeach
+
+lib_wlr_backend_x11 = static_library(
+	'wlr_backend_x11',
+	files(
+		'backend.c',
+		'input_device.c',
+		'output.c',
+	),
+	include_directories: wlr_inc,
+	dependencies: [
+		wayland_server,
+		pixman,
+		xkbcommon,
+		x11_libs,
+	],
+)
+
+backend_parts += lib_wlr_backend_x11
+conf_data.set('WLR_HAS_X11_BACKEND', true)
-- 
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