From b371c1185c9cf937f48d2ed083d708e80211f38e Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Tue, 3 Jun 2025 16:19:27 +0200
Subject: Add build option FLTK_USE_DBUS to allow build w/o dbus (PR #1252)

Thanks to @lanodan for most of the source code.
---
 src/CMakeLists.txt | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ed1cfc276..b43794804 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -532,14 +532,16 @@ if(FLTK_USE_X11)
 endif(FLTK_USE_X11)
 
 if(FLTK_USE_WAYLAND)
-  pkg_check_modules(DBUS IMPORTED_TARGET dbus-1)
   set(IDIRS "${CMAKE_CURRENT_BINARY_DIR}")
   set(CDEFS "_GNU_SOURCE;HAVE_MEMFD_CREATE;HAVE_MKOSTEMP;HAVE_POSIX_FALLOCATE")
   set(COPTS "-fPIC")
-  if(DBUS_FOUND)
-    set(CDEFS "${CDEFS};HAS_DBUS")
-    set(IDIRS "${IDIRS};${DBUS_INCLUDE_DIRS}")
-  endif(DBUS_FOUND)
+  if(FLTK_USE_DBUS)
+    pkg_check_modules(DBUS IMPORTED_TARGET dbus-1)
+    if(DBUS_FOUND)
+      set(CDEFS "${CDEFS};HAS_DBUS")
+      set(IDIRS "${IDIRS};${DBUS_INCLUDE_DIRS}")
+    endif(DBUS_FOUND)
+  endif(FLTK_USE_DBUS)
   if(USE_SYSTEM_LIBDECOR)
     set(CDEFS "${CDEFS};USE_SYSTEM_LIBDECOR;LIBDECOR_PLUGIN_DIR=${LIBDECOR_PLUGIN_DIR}")
     if(GTK_FOUND)
@@ -809,7 +811,7 @@ if(UNIX AND FLTK_USE_WAYLAND)
 
   append_optional_libs("PkgConfig::WLDCURSOR;PkgConfig::WLDCLIENT;PkgConfig::XKBCOMMON")
 
-  if(DBUS_FOUND)
+  if(FLTK_USE_DBUS AND DBUS_FOUND)
     append_optional_libs(PkgConfig::DBUS)
   endif()
 
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