From f26dba318ecc765f41b909e3e0dde470988f738c Mon Sep 17 00:00:00 2001
From: Robert Tari <robert@tari.in>
Date: Mon, 14 Nov 2022 10:58:52 +0100
Subject: Allow building with(out) Lomiri features

---
 CMakeLists.txt       | 10 +++++++++-
 src/CMakeLists.txt   | 32 +++++++++++++++++++++-----------
 src/main.cpp         | 13 ++++++++++---
 tests/CMakeLists.txt |  9 +++++----
 4 files changed, 45 insertions(+), 19 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 34fda26..ba7f022 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,6 +20,7 @@ set(SERVICE_EXEC "${PACKAGE}-service")
 option(ENABLE_TESTS "Enable all tests and checks" OFF)
 option(ENABLE_COVERAGE "Enable coverage reports (includes enabling all tests and checks)" OFF)
 option(ENABLE_WERROR "Treat all build warnings as errors" OFF)
+option(ENABLE_LOMIRI_FEATURES "Build with Lomiri-specific libraries, schemas and media" OFF)
 
 if(ENABLE_COVERAGE)
     set(ENABLE_TESTS ON)
@@ -65,12 +66,18 @@ find_package(PkgConfig REQUIRED)
 
 # glib...
 set(GLIB_MINIMUM 2.36)
-set (SERVICE_DEPS libayatana-common>=0.9.3 gio-unix-2.0>=${GLIB_MINIMUM} glib-2.0>=${GLIB_MINIMUM} gudev-1.0)
+set (SERVICE_DEPS libayatana-common>=0.9.3 gio-unix-2.0>=${GLIB_MINIMUM} glib-2.0>=${GLIB_MINIMUM})
 
 if (ENABLE_TESTS)
     list (APPEND SERVICE_DEPS properties-cpp>=0.0.1)
 endif ()
 
+if (ENABLE_LOMIRI_FEATURES)
+    find_package(Qt5Core REQUIRED)
+    list (APPEND SERVICE_DEPS gudev-1.0)
+    add_definitions (-DLOMIRI_FEATURES_ENABLED)
+endif ()
+
 pkg_check_modules (SERVICE_DEPS REQUIRED ${SERVICE_DEPS})
 
 include_directories (SYSTEM
@@ -115,3 +122,4 @@ endif()
 message(STATUS "Install prefix: ${CMAKE_INSTALL_PREFIX}")
 message(STATUS "Unit tests: ${ENABLE_TESTS}")
 message(STATUS "Build with -Werror: ${ENABLE_WERROR}")
+message(STATUS "Build with Lomiri features: ${ENABLE_LOMIRI_FEATURES}")
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index b7e91aa..33e42c3 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -4,19 +4,29 @@ add_compile_options(
   ${CXX_WARNING_ARGS}
 )
 
-add_library(
-    ${SERVICE_LIB}
-    STATIC
-    adbd-client.cpp
-    exporter.cpp
-    greeter.cpp
-    indicator.cpp
-    rotation-lock.cpp
-    usb-manager.cpp
-    usb-monitor.cpp
-    usb-snap.cpp
+set (SERVICE_LIB_SOURCES
+     exporter.cpp
+     indicator.cpp
+     rotation-lock.cpp
 )
 
+if (ENABLE_LOMIRI_FEATURES)
+    list (APPEND
+          SERVICE_LIB_SOURCES
+          greeter.cpp
+          adbd-client.cpp
+          usb-manager.cpp
+          usb-monitor.cpp
+          usb-snap.cpp
+    )
+endif ()
+
+add_library (${SERVICE_LIB} STATIC ${SERVICE_LIB_SOURCES})
+
+if (ENABLE_LOMIRI_FEATURES)
+    target_link_libraries(${SERVICE_LIB} Qt5::Core)
+endif ()
+
 add_executable(
     ${SERVICE_EXEC}
     main.cpp
diff --git a/src/main.cpp b/src/main.cpp
index f145504..03c72c6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,6 @@
 /*
  * Copyright 2014 Canonical Ltd.
+ * Copyright 2022 Robert Tari
  *
  * This program is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 3, as published
@@ -15,21 +16,23 @@
  *
  * Authors:
  *   Charles Kerr <charles.kerr@canonical.com>
+ *   Robert Tari <robert@tari.in>
  */
 
 #include <src/exporter.h>
 #include <src/rotation-lock.h>
 
+#ifdef LOMIRI_FEATURES_ENABLED
 #include <src/greeter.h>
 #include <src/usb-manager.h>
 #include <src/usb-monitor.h>
+#include <sys/stat.h>
+#include <errno.h>
+#endif
 
 #include <glib/gi18n.h> // bindtextdomain()
 #include <gio/gio.h>
-
 #include <locale.h>
-#include <sys/stat.h>
-#include <errno.h>
 
 extern "C"
 {
@@ -65,6 +68,8 @@ main(int /*argc*/, char** /*argv*/)
       exporters.push_back(exporter);
     }
 
+#ifdef LOMIRI_FEATURES_ENABLED
+
     gboolean bHasSocket = FALSE;
 
     if (ayatana_common_utils_is_lomiri())
@@ -92,6 +97,8 @@ main(int /*argc*/, char** /*argv*/)
         g_message("No /dev/socket/adbd socket found, skipping UsbManager");
     }
 
+#endif
+
     // let's go!
     g_main_loop_run(loop);
 
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 33684d6..6b25955 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,7 +1,6 @@
 set(CMAKE_AUTOMOC ON)
 
 find_package(GMock REQUIRED)
-find_package(Qt5Core REQUIRED)
 find_package(Qt5Test REQUIRED)
 find_package(Qt5DBus COMPONENTS Qt5DBusMacros REQUIRED)
 
@@ -31,9 +30,11 @@ add_compile_options(${CXX_WARNING_ARGS})
 
 add_test(cppcheck cppcheck --enable=all -USCHEMA_DIR --error-exitcode=2 --inline-suppr --library=qt -I${CMAKE_SOURCE_DIR} -i${CMAKE_SOURCE_DIR}/tests/utils/qmain.cpp -i${CMAKE_SOURCE_DIR}/tests/gmock ${CMAKE_SOURCE_DIR}/src ${CMAKE_SOURCE_DIR}/tests --suppress=missingIncludeSystem --suppress=uninitDerivedMemberVar --suppress=unmatchedSuppression --suppress=constParameter --suppress=unusedFunction)
 
-add_subdirectory(integration)
-add_subdirectory(unit)
-add_subdirectory(utils)
+if (ENABLE_LOMIRI_FEATURES)
+    add_subdirectory (integration)
+    add_subdirectory (unit)
+    add_subdirectory (utils)
+endif ()
 
 set(COVERAGE_TEST_TARGETS
   ${COVERAGE_TEST_TARGETS}
-- 
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