--- CMakeLists.txt.orig	2021-11-05 10:06:40 UTC
+++ CMakeLists.txt
@@ -27,7 +27,15 @@ include(LXQtPreventInSourceBuilds)
 include(LXQtCreatePkgConfigFile)
 include(LXQtCreatePortableHeaders)
 include(LXQtCompilerSettings NO_POLICY_SCOPE)
-
+if(${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
+include(CheckIncludeFiles)
+include(CheckLibraryExists)
+check_include_files("sys/socket.h;net/if.h;net/if_mib.h;net/if_types.h" HAVE_IF_H)
+check_library_exists(kvm kvm_getswapinfo "kvm.h" HAVE_KVM_H)
+check_library_exists(c sysctlbyname "sys/sysctl.h" HAVE_SYSCTL_H)
+configure_file(config.h.in config.h)
+add_definitions("-DHAVE_CONFIG_H=1")
+endif()
 set(CMAKE_AUTOMOC ON)
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
@@ -79,8 +87,11 @@ add_library(${SYSSTAT_LIBRARY_NAME}
         ${SYSSTAT_SRCS}
         ${SYSSTAT_QM_FILES}
 )
-
-target_link_libraries(${SYSSTAT_LIBRARY_NAME} Qt5::Core)
+if(HAVE_SYSCTL_H AND HAVE_KVM_H)
+    target_link_libraries(${SYSSTAT_LIBRARY_NAME} c kvm Qt5::Core)
+else()
+    target_link_libraries(${SYSSTAT_LIBRARY_NAME} Qt5::Core)
+endif()
 
 set_target_properties(${SYSSTAT_LIBRARY_NAME} PROPERTIES
     VERSION ${SYSSTAT_VERSION}