From ceca3e1e4618440c7639686015ee131adc4c1bae Mon Sep 17 00:00:00 2001
From: Vijai Kumar Suriyababu <vijai@vijaikumar.in>
Date: Mon, 26 Feb 2024 21:08:14 +0530
Subject: [PATCH] A preliminary addition to config.cmake to copy libraries. The
 function name is copy_lib3mf_libraries

---
 SDK/Examples/CppNew/CMakeLists.txt |  9 +++++++++
 cmake/lib3mfConfig.cmake           | 26 +++++++++++++++++++++++++-
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/SDK/Examples/CppNew/CMakeLists.txt b/SDK/Examples/CppNew/CMakeLists.txt
index 969bde05f..eda3d4662 100644
--- a/SDK/Examples/CppNew/CMakeLists.txt
+++ b/SDK/Examples/CppNew/CMakeLists.txt
@@ -27,30 +27,39 @@ add_definitions(-DTEXTURESPATH="${CMAKE_CURRENT_SOURCE_DIR}/../Files/Textures/")
 
 add_executable(Example_ColorCube Source/ColorCube.cpp)
 target_link_libraries(Example_ColorCube lib3mf::lib3mf)
+copy_lib3mf_libraries(Example_ColorCube)
 
 add_executable(Example_Components Source/Components.cpp)
 target_link_libraries(Example_Components lib3mf::lib3mf)
+copy_lib3mf_libraries(Example_Components)
 
 add_executable(Example_Converter Source/Converter.cpp)
 target_link_libraries(Example_Converter lib3mf::lib3mf)
+copy_lib3mf_libraries(Example_Converter)
 
 add_executable(Example_Cube Source/Cube.cpp)
 target_link_libraries(Example_Cube lib3mf::lib3mf)
+copy_lib3mf_libraries(Example_Cube)
 
 add_executable(Example_SecureCube Source/SecureCube.cpp)
 target_link_libraries(Example_SecureCube lib3mf::lib3mf)
+copy_lib3mf_libraries(Example_SecureCube)
 
 add_executable(Example_ExtractInfo Source/ExtractInfo.cpp)
 target_link_libraries(Example_ExtractInfo lib3mf::lib3mf)
+copy_lib3mf_libraries(Example_ExtractInfo)
 
 add_executable(Example_TextureCube Source/TextureCube.cpp)
 target_link_libraries(Example_TextureCube lib3mf::lib3mf)
+copy_lib3mf_libraries(Example_TextureCube)
 
 add_executable(Example_Slice Source/Slice.cpp)
 target_link_libraries(Example_Slice lib3mf::lib3mf)
+copy_lib3mf_libraries(Example_Slice)
 
 add_executable(Example_BeamLattice Source/BeamLattice.cpp)
 target_link_libraries(Example_BeamLattice lib3mf::lib3mf)
+copy_lib3mf_libraries(Example_BeamLattice)
 
 if (${MSVC})
 	IF(${CMAKE_VERSION} VERSION_LESS 3.6.3)
diff --git a/cmake/lib3mfConfig.cmake b/cmake/lib3mfConfig.cmake
index f2d05358f..b33c45fc7 100644
--- a/cmake/lib3mfConfig.cmake
+++ b/cmake/lib3mfConfig.cmake
@@ -63,4 +63,28 @@ else()
     if(WIN32)
         set_property(TARGET lib3mf::lib3mf PROPERTY IMPORTED_IMPLIB "${lib3mf_LIBRARY_IMPORT}")
     endif()
-endif()
+
+    # Define a custom function to handle library copying
+    function(copy_lib3mf_libraries target)
+        if(TARGET ${target})
+            if(APPLE)
+                # On macOS, copy .dylib files, preserving symlinks
+                add_custom_command(TARGET ${target} POST_BUILD
+                        COMMAND sh -c "cp -P '${lib3mf_LIBRARY_DIR}/lib3mf.dylib'* '$<TARGET_FILE_DIR:${target}>'"
+                        COMMENT "Copying all lib3mf library files to target directory on MacOS")
+            elseif(UNIX)
+                # On Unix-like systems (excluding macOS), copy .so files, preserving symlinks
+                add_custom_command(TARGET ${target} POST_BUILD
+                        COMMAND sh -c "cp -P '${lib3mf_LIBRARY_DIR}/lib3mf.so'* '$<TARGET_FILE_DIR:${target}>'"
+                        COMMENT "Copying all lib3mf.so* files to target directory on Linux")
+            else()
+                # On Windows, directly copy the .dll file without worrying about symlinks
+                add_custom_command(TARGET ${target} POST_BUILD
+                        COMMAND ${CMAKE_COMMAND} -E copy_if_different "${lib3mf_LIBRARY}" "$<TARGET_FILE_DIR:${target}>"
+                        COMMENT "Copying lib3mf.dll to target directory on Windows")
+            endif()
+        else()
+            message(WARNING "Target '${target}' not found. lib3mf library was not copied.")
+        endif()
+    endfunction()
+endif()
\ No newline at end of file