$NetBSD$

- define NETBSD
- backtrace(3) requires libexecinfo
- use uuidgen(2)

--- CMakeLists.txt.orig	2022-12-07 19:31:10.000000000 +0000
+++ CMakeLists.txt
@@ -278,6 +278,9 @@ elseif(UNIX)
     elseif(${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
         set(OPENBSD 1)
         set(VM_TARGET_OS "openbsd")
+    elseif(${CMAKE_SYSTEM_NAME} MATCHES "NetBSD")
+        set(NETBSD 1)
+        set(VM_TARGET_OS "netbsd")
     else()
         set(VM_TARGET_OS "${CMAKE_SYSTEM_NAME}")
     endif()
@@ -376,13 +379,14 @@ check_include_files(dlfcn.h HAVE_DLFCN_H
 check_library_exists(dl dlopen "" HAVE_LIBDL)
 check_library_exists(dyld dlopen "" HAVE_DYLD)
 check_struct_has_member("struct tm" tm_gmtoff time.h HAVE_TM_GMTOFF)
+check_library_exists(execinfo backtrace "" HAVE_EXECINFO)
 
 #Required by the UUID Plugin
 
 check_include_files(sys/uuid.h HAVE_SYS_UUID_H)
 check_include_files(uuid/uuid.h HAVE_UUID_UUID_H)
 check_include_files(uuid.h HAVE_UUID_H)
-check_library_exists(uuid uuidgen "" HAVE_UUIDGEN)
+check_function_exists(uuidgen HAVE_UUIDGEN)
 check_library_exists(uuid uuid_generate "" HAVE_UUID_GENERATE)
 
 
@@ -460,6 +464,10 @@ set(VM_SOURCES
 add_executable(${VM_EXECUTABLE_NAME} ${VM_FRONTEND_APPLICATION_TYPE} ${VM_FRONTEND_SOURCES})
 addLibraryWithRPATH(${VM_LIBRARY_NAME} ${VM_SOURCES})
 
+if(${HAVE_EXECINFO})
+	target_link_libraries(${VM_LIBRARY_NAME} execinfo)
+endif()
+
 #
 # LibFFI
 #