From 8ff581069eefe4760ceb2bfa1c17977fb71d7896 Mon Sep 17 00:00:00 2001
From: Jan Orend <56254096+3dJan@users.noreply.github.com>
Date: Mon, 10 Jun 2024 15:28:21 +0200
Subject: [PATCH] [SDK} read lib3mf version in CMakeLists.txt  from environment
 variable LIB3MF_VERSION

---
 SDK/CPackExamples/Cpp/CMakeLists.txt        | 12 +++++++++---
 SDK/CPackExamples/CppDynamic/CMakeLists.txt | 13 ++++++++++---
 2 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/SDK/CPackExamples/Cpp/CMakeLists.txt b/SDK/CPackExamples/Cpp/CMakeLists.txt
index e75ad0874..5697a68b2 100644
--- a/SDK/CPackExamples/Cpp/CMakeLists.txt
+++ b/SDK/CPackExamples/Cpp/CMakeLists.txt
@@ -2,14 +2,20 @@ cmake_minimum_required (VERSION 3.5)
 project(Examples)
 set(CMAKE_CXX_STANDARD 11)
 
+# read the version of the 3MF Library from en environment variable LIB3MF_VERSION
+if (DEFINED ENV{LIB3MF_VERSION})
+	set(LIB3MF_VERSION $ENV{LIB3MF_VERSION})
+else()
+	set(LIB3MF_VERSION "2.3.1")
+
 # Determine the platform and set lib3mf_DIR accordingly
 if(WIN32)
 	# Path for Windows
-	set(lib3mf_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../lib3mf-2.3.1-Windows/lib/cmake/lib3mf")
+	set(lib3mf_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../lib3mf-${LIB3MF_VERSION}-Windows/lib/cmake/lib3mf")
 	find_package(lib3mf REQUIRED COMPONENTS Cpp)
 elseif(APPLE)
 	# Path for macOS (Darwin)
-	set(lib3mf_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../lib3mf-2.3.1-Darwin/lib/cmake/lib3mf")
+	set(lib3mf_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../lib3mf-${LIB3MF_VERSION}-Darwin/lib/cmake/lib3mf")
 	find_package(lib3mf REQUIRED COMPONENTS Cpp)
 else()
 	# Path for Linux (Here we check twice to test for Debian / RPM packages properly)
@@ -17,7 +23,7 @@ else()
 	# Check if the package was not found
 	if(NOT lib3mf_FOUND)
 		# lib3mf not found, so set lib3mf_DIR to the fallback directory
-		set(lib3mf_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../lib3mf-2.3.1-Linux/lib/cmake/lib3mf")
+		set(lib3mf_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../lib3mf-${LIB3MF_VERSION}-Linux/lib/cmake/lib3mf")
 		# Find package (lib3mf)
 		find_package(lib3mf REQUIRED COMPONENTS Cpp)
 	endif()
diff --git a/SDK/CPackExamples/CppDynamic/CMakeLists.txt b/SDK/CPackExamples/CppDynamic/CMakeLists.txt
index 4fee96e92..d896df0f0 100644
--- a/SDK/CPackExamples/CppDynamic/CMakeLists.txt
+++ b/SDK/CPackExamples/CppDynamic/CMakeLists.txt
@@ -39,14 +39,21 @@ cmake_minimum_required(VERSION 3.5)
 project(Example_ExtractInfo)
 set(CMAKE_CXX_STANDARD 11)
 
+
+# read the version of the 3MF Library from en environment variable LIB3MF_VERSION
+if (DEFINED ENV{LIB3MF_VERSION})
+	set(LIB3MF_VERSION $ENV{LIB3MF_VERSION})
+else()
+	set(LIB3MF_VERSION "2.3.1")
+
 # Determine the platform and set lib3mf_DIR accordingly
 if(WIN32)
 	# Path for Windows
-	set(lib3mf_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../lib3mf-2.3.1-Windows/lib/cmake/lib3mf")
+	set(lib3mf_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../lib3mf-${LIB3MF_VERSION}-Windows/lib/cmake/lib3mf")
 	find_package(lib3mf REQUIRED COMPONENTS CppDynamic)
 elseif(APPLE)
 	# Path for macOS (Darwin)
-	set(lib3mf_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../lib3mf-2.3.1-Darwin/lib/cmake/lib3mf")
+	set(lib3mf_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../lib3mf-${LIB3MF_VERSION}-Darwin/lib/cmake/lib3mf")
 	find_package(lib3mf REQUIRED COMPONENTS CppDynamic)
 else()
 	# Path for Linux (Here we check twice to test for Debian / RPM packages properly)
@@ -54,7 +61,7 @@ else()
 	# Check if the package was not found
 	if(NOT lib3mf_FOUND)
 		# lib3mf not found, so set lib3mf_DIR to the fallback directory
-		set(lib3mf_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../lib3mf-2.3.1-Linux/lib/cmake/lib3mf")
+		set(lib3mf_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../lib3mf-${LIB3MF_VERSION}-Linux/lib/cmake/lib3mf")
 		# Find package (lib3mf)
 		find_package(lib3mf REQUIRED COMPONENTS CppDynamic)
 	endif()