From 95d2f4c24d097c445122a9722df57882af1bc5b3 Mon Sep 17 00:00:00 2001
From: "Daniele E. Domenichelli" <ddomenichelli@drdanz.it>
Date: Tue, 10 Dec 2024 10:46:52 +0100
Subject: [PATCH] Add BUILD_STATIC option to create static libraries

---
 .github/workflows/build-external-graphviz.yml          |  4 ++++
 .github/workflows/build.yml                            |  4 ++++
 CHANGES                                                |  1 +
 CMakeLists.txt                                         | 10 ++++++++++
 src/core/CMakeLists.txt                                |  4 ++--
 src/debuginterface/debuginterfaceclient/CMakeLists.txt |  4 ++--
 src/view/CMakeLists.txt                                |  5 +++--
 7 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/build-external-graphviz.yml b/.github/workflows/build-external-graphviz.yml
index ff104300..ad09f66c 100644
--- a/.github/workflows/build-external-graphviz.yml
+++ b/.github/workflows/build-external-graphviz.yml
@@ -23,6 +23,9 @@ jobs:
           - macos-latest
         build_type:
           - Debug
+        lib_type:
+          - Shared
+          - Static
         config:
           - qt_version: 6.6.2
             qt_modules: qtscxml
@@ -68,6 +71,7 @@ jobs:
           -DBUILD_TESTS=${{ matrix.build_type == 'Debug' }}
           -DBUILD_EXAMPLES=ON
           -DBUILD_DOCS=${{ matrix.build_type == 'Debug' && runner.os == 'Linux' }}
+          -DBUILD_STATIC=${{ matrix.lib_type == 'Static' }}
           -DWITH_INTERNAL_GRAPHVIZ=OFF
 
       - name: Build Project
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 769b32dc..4621626f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,6 +25,9 @@ jobs:
         build_type:
           - Debug
           - Release
+        lib_type:
+          - Shared
+          - Static
         config:
           - qt_version: 5.15.2
             qt_arch: win64_msvc2019_64
@@ -91,6 +94,7 @@ jobs:
           -DBUILD_TESTS=${{ matrix.build_type == 'Debug' }}
           -DBUILD_EXAMPLES=ON
           -DBUILD_DOCS=${{ matrix.build_type == 'Debug' && runner.os == 'Linux' }}
+          -DBUILD_STATIC=${{ matrix.lib_type == 'Static' }}
 
       - name: Build Project
         run: cmake --build ./build
diff --git a/CHANGES b/CHANGES
index 124cdb4f..f903f1c2 100644
--- a/CHANGES
+++ b/CHANGES
@@ -7,6 +7,7 @@ Version 2.0.0: (unreleased):
  * Use official Graphviz from upstream with -DWITH_INTERNAL_GRAPHVIZ=True
    (Bad side-effect: allows dynamic builds only)
  * Fixed build with more recent graphviz versions
+ * Buildsystem: new Option BUILD_STATIC to create static libraries
 
 Version 1.2.8:
 --------------
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cfbc9415..f612cc1e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,6 +45,9 @@
 #  Note: disabling tests also disables building the kdstatemachineeditor test application.
 #  Default=True
 #
+# -DBUILD_STATIC=[true|false]
+#  Build static libraries
+#  Default=false
 
 cmake_minimum_required(VERSION 3.16)
 
@@ -76,6 +79,13 @@ else()
     option(BUILD_TESTS "Build the test harness" ON)
 endif()
 option(BUILD_QT6 "Build against Qt 6" OFF)
+option(BUILD_STATIC "Build statically" OFF)
+
+if(BUILD_STATIC)
+    set(BUILD_LIBRARY_MODE "STATIC")
+else()
+    set(BUILD_LIBRARY_MODE "SHARED")
+endif()
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/ECM/modules")
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 6cfee031..84d3076a 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -77,7 +77,7 @@ if(GRAPHVIZ_FOUND)
     endif()
 endif()
 
-add_library(kdstatemachineeditor_core SHARED ${LIB_SRCS})
+add_library(kdstatemachineeditor_core ${BUILD_LIBRARY_MODE} ${LIB_SRCS})
 add_library(KDSME::Core ALIAS kdstatemachineeditor_core)
 target_link_libraries(
     kdstatemachineeditor_core
@@ -159,7 +159,7 @@ install(
     EXPORT KDSME_TARGETS
     ${INSTALL_TARGETS_DEFAULT_ARGS}
 )
-if(MSVC)
+if(MSVC AND NOT BUILD_STATIC)
     install(
         FILES "$<TARGET_PDB_FILE_DIR:kdstatemachineeditor_core>/$<TARGET_PDB_FILE_NAME:kdstatemachineeditor_core>"
         DESTINATION ${BIN_INSTALL_DIR}
diff --git a/src/debuginterface/debuginterfaceclient/CMakeLists.txt b/src/debuginterface/debuginterfaceclient/CMakeLists.txt
index cf773bd8..1ac9b027 100644
--- a/src/debuginterface/debuginterfaceclient/CMakeLists.txt
+++ b/src/debuginterface/debuginterfaceclient/CMakeLists.txt
@@ -17,7 +17,7 @@ if(NOT BUILD_QT6)
     qt5_generate_repc(DEBUGINTERFACECLIENT_SRCS ../debuginterface.rep REPLICA)
 endif()
 
-add_library(kdstatemachineeditor_debuginterfaceclient SHARED ${DEBUGINTERFACECLIENT_SRCS})
+add_library(kdstatemachineeditor_debuginterfaceclient ${BUILD_LIBRARY_MODE} ${DEBUGINTERFACECLIENT_SRCS})
 
 if(BUILD_QT6)
     qt6_add_repc_replicas(kdstatemachineeditor_debuginterfaceclient ../debuginterface.rep)
@@ -82,7 +82,7 @@ install(
     EXPORT KDSME_TARGETS
     ${INSTALL_TARGETS_DEFAULT_ARGS}
 )
-if(MSVC)
+if(MSVC AND NOT BUILD_STATIC)
     # cmake-lint: disable=C0301
     install(
         FILES
diff --git a/src/view/CMakeLists.txt b/src/view/CMakeLists.txt
index e7bc4c2f..d92a7c87 100644
--- a/src/view/CMakeLists.txt
+++ b/src/view/CMakeLists.txt
@@ -16,7 +16,8 @@
 file(GLOB_RECURSE QML_JS_FILES *.qml *.js)
 
 add_library(
-    kdstatemachineeditor_view SHARED
+    kdstatemachineeditor_view
+    ${BUILD_LIBRARY_MODE}
     command/command.cpp
     command/commandfactory.cpp
     command/createelementcommand.cpp
@@ -97,7 +98,7 @@ install(
     EXPORT KDSME_TARGETS
     ${INSTALL_TARGETS_DEFAULT_ARGS}
 )
-if(MSVC)
+if(MSVC AND NOT BUILD_STATIC)
     install(
         FILES "$<TARGET_PDB_FILE_DIR:kdstatemachineeditor_view>/$<TARGET_PDB_FILE_NAME:kdstatemachineeditor_view>"
         DESTINATION ${BIN_INSTALL_DIR}