--- CMakeLists.txt.orig	2026-08-27 22:42:47 UTC
+++ CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.10...4.4)
 project(cppdb)
 
 set(CPPDB_MAJOR 0)
@@ -47,7 +47,7 @@ if(NOT CMAKE_BUILD_TYPE)
   set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
         "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
 	      FORCE)
-endif(NOT CMAKE_BUILD_TYPE)
+endif()
 
 
 include(CheckLibraryExists)
@@ -58,7 +58,7 @@ endif()
 	find_library(PTHREAD_LIB pthread NAMES thr kse)
 endif()
 
-if(CMAKE_COMPILER_IS_GNUCXX)
+if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
 	set(CXX_FLAGS "-Wall -Wextra")
 	if(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
 		set(CXX_FLAGS "${CXX_FLAGS} -pthreads")
@@ -259,9 +259,7 @@ foreach(LIB ${BACKEND_LIBRARIES} cppdb)
 	endif()
 
     
-	set_target_properties(${LIB} PROPERTIES CLEAN_DIRECT_OUTPUT 1)
 	set_target_properties(${LIB} PROPERTIES OUTPUT_NAME "${LIB}")
-	set_target_properties(${LIB}-static PROPERTIES CLEAN_DIRECT_OUTPUT 1)
 	set_target_properties(${LIB}-static PROPERTIES OUTPUT_NAME "${LIB}")
 	set_target_properties(${LIB}-static PROPERTIES PREFIX "lib") # Make sure import and normal library do not collide