--- a/config.h.cmake	2023-07-04 20:26:16.401274149 +0300
+++ b/config.h.cmake	2023-07-04 20:29:24.692279031 +0300
@@ -136,6 +136,33 @@
 // kcontrol/input
 #cmakedefine HAVE_LIBUSB 1
 
+// ksysguard, kcheckpass
+#cmakedefine HAVE_STRLCAT 1
+#cmakedefine HAVE_STRLCAT_PROTO 1
+#cmakedefine HAVE_STRLCPY 1
+#cmakedefine HAVE_STRLCPY_PROTO 1
+
+#if !defined(HAVE_STRLCAT_PROTO)
+#ifdef __cplusplus
+extern "C" {
+#endif
+unsigned long strlcat(char*, const char*, unsigned long);
+#ifdef __cplusplus
+}
+#endif
+#endif
+
+#if !defined(HAVE_STRLCPY_PROTO)
+#ifdef __cplusplus
+extern "C" {
+#endif
+unsigned long strlcpy(char*, const char*, unsigned long);
+#ifdef __cplusplus
+}
+#endif
+#endif
+
+
 // tdeprint
 #cmakedefine HAVE_SIGACTION 1
 #cmakedefine HAVE_SIGSET 1
--- a/ConfigureChecks.cmake	2023-07-04 20:26:16.400274149 +0300
+++ b/ConfigureChecks.cmake	2023-07-04 20:28:16.349277259 +0300
@@ -389,6 +389,15 @@
 endif( )
 
 
+# strlcat, strlcpy
+if( BUILD_KSYSGUARD OR BUILD_KCHECKPASS )
+  check_function_exists( strlcat HAVE_STRLCAT )
+  check_symbol_exists( strlcat "string.h" HAVE_STRLCAT_PROTO )
+  check_function_exists( strlcpy HAVE_STRLCPY )
+  check_symbol_exists( strlcpy "string.h" HAVE_STRLCPY_PROTO )
+endif( )
+
+
 # getifaddrs (kcontrol, tdm)
 if( BUILD_KCONTROL OR BUILD_TDM )
   check_function_exists( getifaddrs HAVE_GETIFADDRS )