Add possibility to build shared libs

cmake/modules/AddCMakeProject.cmake

@@ -43,10 +43,12 @@ function(add_cmake_project projectname)
     endif ()
 
     set(_verbose_switch "")
-    if (CMAKE_GENERATOR MATCHES "Ninja")
-        set(_verbose_switch "--verbose")
-    elseif (CMAKE_GENERATOR MATCHES "Visual Studio")
-        set(_verbose_switch "-v:d")
+    if (${PROJECT_NAME}_DEP_BUILD_VERBOSE)
+        if (CMAKE_GENERATOR MATCHES "Ninja")
+            set(_verbose_switch "--verbose")
+        elseif (CMAKE_GENERATOR MATCHES "Visual Studio")
+            set(_verbose_switch "-v:d")
+        endif ()
     endif ()
 
     ExternalProject_Add(
@@ -64,7 +66,7 @@ function(add_cmake_project projectname)
             -DCMAKE_CXX_FLAGS_${_build_type_upper}:STRING=${CMAKE_CXX_FLAGS_${_build_type_upper}}
             -DCMAKE_C_FLAGS_${_build_type_upper}:STRING=${CMAKE_C_FLAGS_${_build_type_upper}}
             -DCMAKE_TOOLCHAIN_FILE:STRING=${CMAKE_TOOLCHAIN_FILE}
-            -DBUILD_SHARED_LIBS:BOOL=OFF
+            -DBUILD_SHARED_LIBS:BOOL=${BUILD_SHARED_LIBS}
             "${_configs_line}"
             ${DEP_CMAKE_OPTS}
             ${P_ARGS_CMAKE_ARGS}

deps/+TBB/TBB.cmake

@@ -3,7 +3,7 @@ add_cmake_project(
     URL "https://github.com/oneapi-src/oneTBB/archive/refs/tags/v2021.5.0.zip"
     URL_HASH SHA256=83ea786c964a384dd72534f9854b419716f412f9d43c0be88d41874763e7bb47
     CMAKE_ARGS          
-        -DTBB_BUILD_SHARED=OFF
+        -DTBB_BUILD_SHARED=${BUILD_SHARED_LIBS}
         -DTBB_TEST=OFF
         -DCMAKE_POSITION_INDEPENDENT_CODE=ON
         -DCMAKE_DEBUG_POSTFIX=_debug

deps/CMakeLists.txt

@@ -26,6 +26,9 @@
 cmake_minimum_required(VERSION 3.12)
 project(PrusaSlicer_deps)
 
+# Redefine BUILD_SHARED_LIBS with default being OFF
+option(BUILD_SHARED_LIBS "Build shared libraries instead of static (experimental)" OFF)
+
 set(${PROJECT_NAME}_PACKAGE_EXCLUDES "" CACHE STRING "Exclude packages matching this regex pattern")
 
 # Support legacy parameter DESTDIR