fix linking to static installed KDDW

fixes issue #557

(cherry picked from commit a1e2279)

.github/workflows/build.yml

@@ -13,7 +13,7 @@ on:
       - examples/flutter/**
       - tests/reference-images/**
       - .github/workflows/create_release.yml
-
+      - .github/workflows/examples.yml
     branches:
       - main
       - 2.2

.github/workflows/examples.yml

@@ -26,6 +26,9 @@ jobs:
           - ubuntu-22.04
           - windows-2022
           - macos-13
+        preset:
+          - release
+          - ci-release-static-qt5
     steps:
       - name: Install Qt 5.15 with options and default aqtversion
         uses: jurplel/install-qt-action@v3
@@ -50,13 +53,13 @@ jobs:
         uses: turtlesec-no/get-ninja@main
 
       - name: Configure
-        run: cmake --preset=release -DCMAKE_INSTALL_PREFIX=${{ github.workspace }}/installed/ -DKDDockWidgets_EXAMPLES=OFF -DCMAKE_BUILD_TYPE=Debug
+        run: cmake --preset=${{ matrix.preset }} -DCMAKE_INSTALL_PREFIX=${{ github.workspace }}/installed/ -DKDDockWidgets_EXAMPLES=OFF -DCMAKE_BUILD_TYPE=Debug
 
       - name: Build
-        run: cmake --build build-release --parallel
+        run: cmake --build build-${{ matrix.preset }} --parallel
 
       - name: Install
-        run: cmake --install build-release
+        run: cmake --install build-${{ matrix.preset }}
 
       - name: Build examples
         run: |

.github/workflows/flutter-dev.yml

@@ -13,6 +13,7 @@ on:
       - 2.2
     paths-ignore:
       - .github/workflows/create_release.yml
+      - .github/workflows/examples.yml
   pull_request:
     branches:
       - main

CMakeLists.txt

@@ -482,9 +482,7 @@ endif()
 set(KKDockWidgets_PROJECT_ROOT ${CMAKE_CURRENT_SOURCE_DIR})
 
 find_package(KDBindings QUIET)
-if(NOT TARGET KDAB::KDBindings)
-    include(src/kdbindings.cmake)
-endif()
+include(src/kdbindings.cmake)
 
 if(KDDockWidgets_TESTS)
     enable_testing()

src/CMakeLists.txt

@@ -408,7 +408,7 @@ if(KDDockWidgets_CODE_COVERAGE)
     target_link_libraries(kddockwidgets PUBLIC kddw_coverage_options)
 endif()
 
-target_link_libraries(kddockwidgets PRIVATE KDAB::KDBindings)
+kddw_link_to_kdbindings(kddockwidgets)
 
 if(KDDockWidgets_HAS_SPDLOG)
     target_link_libraries(kddockwidgets PRIVATE spdlog::spdlog)

src/kdbindings.cmake

@@ -8,9 +8,13 @@
 # Contact KDAB at <info@kdab.com> for commercial licensing options.
 #
 
-# Use a separate target for our kdbindings/signal.h header as it doesn't compile
-# with -Wweak-vtables
+set(KDDW_3DPARTY_DIR "${CMAKE_CURRENT_LIST_DIR}/3rdparty")
 
-add_library(KDBindings INTERFACE IMPORTED)
-add_library(KDAB::KDBindings ALIAS KDBindings)
-target_include_directories(KDBindings SYSTEM INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/3rdparty>)
+# links a target to KDBindings
+function(kddw_link_to_kdbindings target)
+    if(TARGET KDAB::KDBindings)
+        target_link_libraries(${target} PRIVATE KDAB::KDBindings)
+    else()
+        target_include_directories(${target} SYSTEM PRIVATE ${KDDW_3DPARTY_DIR})
+    endif()
+endfunction()

tests/CMakeLists.txt

@@ -36,7 +36,7 @@ find_package(kdbindings QUIET)
 # Function to link to nlohmann
 function(kddw_add_nlohmann test)
     if(nlohmann_json_FOUND)
-        target_link_libraries(${test} nlohmann_json::nlohmann_json)
+        target_link_libraries(${test} PRIVATE nlohmann_json::nlohmann_json)
     else()
         target_include_directories(${test} SYSTEM PRIVATE ${CMAKE_SOURCE_DIR}/src/3rdparty/nlohmann)
     endif()
@@ -57,9 +57,11 @@ if(KDDW_FRONTEND_QTWIDGETS)
     add_executable(
         tst_qtwidgets qtwidgets/tst_qtwidgets.cpp qtwidgets/mainwindow.ui ${TESTING_SRCS} ${TESTING_RESOURCES}
     )
-    target_link_libraries(tst_qtwidgets KDAB::KDBindings kddockwidgets Qt${QT_VERSION_MAJOR}::Test)
+    target_link_libraries(tst_qtwidgets PRIVATE kddockwidgets Qt${QT_VERSION_MAJOR}::Test)
+    kddw_link_to_kdbindings(tst_qtwidgets)
+
     if(KDDockWidgets_HAS_SPDLOG)
-        target_link_libraries(tst_qtwidgets spdlog::spdlog)
+        target_link_libraries(tst_qtwidgets PRIVATE spdlog::spdlog)
     endif()
     kddw_add_nlohmann(tst_qtwidgets)
     set_compiler_flags(tst_qtwidgets)
@@ -71,9 +73,10 @@ endif()
 # tst_qtquick
 if(KDDW_FRONTEND_QTQUICK)
     add_executable(tst_qtquick qtquick/tst_qtquick.cpp ${TESTING_SRCS} ${TESTING_RESOURCES})
-    target_link_libraries(tst_qtquick kddockwidgets KDAB::KDBindings Qt${QT_VERSION_MAJOR}::Test)
+    target_link_libraries(tst_qtquick PRIVATE kddockwidgets Qt${QT_VERSION_MAJOR}::Test)
+    kddw_link_to_kdbindings(tst_qtquick)
     if(KDDockWidgets_HAS_SPDLOG)
-        target_link_libraries(tst_qtquick spdlog::spdlog)
+        target_link_libraries(tst_qtquick PRIVATE spdlog::spdlog)
     endif()
     kddw_add_nlohmann(tst_qtquick)
     set_compiler_flags(tst_qtquick)
@@ -87,10 +90,11 @@ if(KDDW_FRONTEND_QT)
     # Function to add a test
     function(add_kddw_test test srcs)
         add_executable(${test} ${srcs} ${TESTING_RESOURCES} ${TESTING_SRCS})
-        target_link_libraries(${test} kddockwidgets KDAB::KDBindings)
+        target_link_libraries(${test} PRIVATE kddockwidgets)
+        kddw_link_to_kdbindings(${test})
         target_include_directories(${test} PRIVATE ${CMAKE_BINARY_DIR})
         if(KDDockWidgets_HAS_SPDLOG)
-            target_link_libraries(${test} spdlog::spdlog)
+            target_link_libraries(${test} PRIVATE spdlog::spdlog)
         endif()
 
         kddw_add_nlohmann(${test})