From a01c39d9de9d0ba188313fc09b00c207557c50b1 Mon Sep 17 00:00:00 2001
From: Tadej Novak <tadej@tano.si>
Date: Sun, 8 Oct 2023 15:31:20 +0200
Subject: [PATCH] Allow building only core

---
 CMakeLists.txt      | 16 +++++++++++++---
 src/CMakeLists.txt  | 10 ++++++++--
 test/CMakeLists.txt |  8 ++++++--
 3 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 25496a7..496e0ab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,12 +29,22 @@ set(MLN_QT_WIDGETS_LIB QMapLibreWidgets)
 set(MLN_QT_GEOSERVICES_PLUGIN qtgeoservices_maplibre)
 set(MLN_QT_QML_PLUGIN declarative_locationplugin_maplibre)
 
+# Options
+set(MLN_QT_WITH_LOCATION ON CACHE BOOL "Build QMapLibreLocation")
+set(MLN_QT_WITH_WIDGETS ON CACHE BOOL "Build QMapLibreWidgets")
+
 # Find Qt
 find_package(QT NAMES Qt6 Qt5 COMPONENTS Core REQUIRED)
 find_package(Qt${QT_VERSION_MAJOR} COMPONENTS Gui Network REQUIRED)  # main dependencies
-find_package(Qt${QT_VERSION_MAJOR} COMPONENTS Location REQUIRED)     # location
-if (Qt6_FOUND)
-    find_package(Qt${QT_VERSION_MAJOR} COMPONENTS OpenGL OpenGLWidgets REQUIRED)
+if (MLN_QT_WITH_LOCATION)
+    find_package(Qt${QT_VERSION_MAJOR} COMPONENTS Location REQUIRED)     # location
+endif()
+if (MLN_QT_WITH_WIDGETS)
+    if (Qt6_FOUND)
+        find_package(Qt${QT_VERSION_MAJOR} COMPONENTS OpenGLWidgets REQUIRED)
+    else()
+        find_package(Qt${QT_VERSION_MAJOR} COMPONENTS OpenGL REQUIRED)
+    endif()
 endif()
 message(STATUS "Using Qt${QT_VERSION_MAJOR}")
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6544199..63bccb1 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,3 +1,9 @@
 add_subdirectory(core)
-add_subdirectory(location)
-add_subdirectory(widgets)
+if (MLN_QT_WITH_LOCATION)
+    add_subdirectory(location)
+    message(STATUS "Building location module")
+endif()
+if (MLN_QT_WITH_WIDGETS)
+    add_subdirectory(widgets)
+    message(STATUS "Building widgets module")
+endif()
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index afcd1f4..758e38f 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -3,5 +3,9 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
 endif()
 
 add_subdirectory(core)
-add_subdirectory(qml)
-add_subdirectory(widgets)
+if (MLN_QT_WITH_LOCATION)
+    add_subdirectory(qml)
+endif()
+if (MLN_QT_WITH_WIDGETS)
+    add_subdirectory(widgets)
+endif()