File 0001-cmake-add-support-to-build-shared-libraries.patch of Package librealsense

From cdd508256dcb0a65b6031ee11f1f91688d19cb64 Mon Sep 17 00:00:00 2001
From: Ralf Habacker <ralf.habacker@freenet.de>
Date: Wed, 9 Jul 2025 14:46:16 +0200
Subject: [PATCH 1/6] cmake: add support to build shared libraries

Shared libraries can be build by adding -DCMAKE_SHARED_LIBS=ON to the
cmake configure line.
---
 CMakeLists.txt                            | 2 ++
 common/fw/CMakeLists.txt                  | 2 +-
 third-party/realsense-file/CMakeLists.txt | 2 +-
 third-party/rsutils/CMakeLists.txt        | 2 +-
 4 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ae063e69d84b..5830699faeae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,6 +4,8 @@ cmake_minimum_required(VERSION 3.8)
 set( LRS_TARGET realsense2 )
 project( ${LRS_TARGET} LANGUAGES CXX C )
 
+option(BUILD_SHARED_LIBS "Build using shared libraries" OFF)
+
 # Allow librealsense2 and all of the nested project to include the main repo folder
 set(REPO_ROOT ${CMAKE_CURRENT_SOURCE_DIR})
 include_directories(${REPO_ROOT})
diff --git a/common/fw/CMakeLists.txt b/common/fw/CMakeLists.txt
index 735f4d6b34c6..7b83d5d5335f 100644
--- a/common/fw/CMakeLists.txt
+++ b/common/fw/CMakeLists.txt
@@ -17,7 +17,7 @@ set(D4XX_FW_VERSION ${CMAKE_MATCH_1})
 set(D4XX_FW_SHA1 e7a67224fd0bd823df03dc7f1135a59db93746fd)
 set(D4XX_FW_URL "${REALSENSE_FIRMWARE_URL}/Releases/RS4xx/FW")
 
-add_library(${PROJECT_NAME} STATIC empty.c)
+add_library(${PROJECT_NAME} empty.c)
 
 # disable link time optimization for fw by adding -fno-lto to disable -flto flag
 # jammy debian has build errors without it
diff --git a/third-party/realsense-file/CMakeLists.txt b/third-party/realsense-file/CMakeLists.txt
index 9ba89a0d980a..e33f965721fd 100644
--- a/third-party/realsense-file/CMakeLists.txt
+++ b/third-party/realsense-file/CMakeLists.txt
@@ -24,7 +24,7 @@ endif()
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
-add_library(${PROJECT_NAME} STATIC
+add_library(${PROJECT_NAME}
     ${AllSources}
     ${HEADER_FILES_ROSBAG}
     ${SOURCE_FILES_ROSBAG}
diff --git a/third-party/rsutils/CMakeLists.txt b/third-party/rsutils/CMakeLists.txt
index b0fc310497aa..bb27360b37ec 100644
--- a/third-party/rsutils/CMakeLists.txt
+++ b/third-party/rsutils/CMakeLists.txt
@@ -3,7 +3,7 @@
 cmake_minimum_required(VERSION 3.8.0)  # source_group(TREE)
 project( rsutils )
 
-add_library( ${PROJECT_NAME} STATIC "" )
+add_library( ${PROJECT_NAME} "" )
 # We cannot directly interface with nlohmann_json (doesn't work on bionic)
 #target_link_libraries( ${PROJECT_NAME} PUBLIC nlohmann_json )
 target_compile_features( ${PROJECT_NAME} PUBLIC cxx_std_14 )
-- 
2.50.1