diff --git a/CMakeLists.txt b/CMakeLists.txt
index 02474e29c..2ffb72faf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1001,18 +1001,18 @@ check_symbol_exists(alarm         "${CURL_INCLUDES}" HAVE_ALARM)
 if(NOT HAVE_STRNCMPI)
   set(HAVE_STRCMPI)
 endif()
+check_symbol_exists(getppid       "${CURL_INCLUDES}" HAVE_GETPPID)
+check_symbol_exists(utimes        "${CURL_INCLUDES}" HAVE_UTIMES)
+
 check_symbol_exists(gethostbyaddr "${CURL_INCLUDES}" HAVE_GETHOSTBYADDR)
 check_symbol_exists(gethostbyaddr_r "${CURL_INCLUDES}" HAVE_GETHOSTBYADDR_R)
 check_symbol_exists(gettimeofday  "${CURL_INCLUDES}" HAVE_GETTIMEOFDAY)
 check_symbol_exists(inet_addr     "${CURL_INCLUDES}" HAVE_INET_ADDR)
 check_symbol_exists(inet_ntoa     "${CURL_INCLUDES}" HAVE_INET_NTOA)
 check_symbol_exists(inet_ntoa_r   "${CURL_INCLUDES}" HAVE_INET_NTOA_R)
-check_symbol_exists(perror        "${CURL_INCLUDES}" HAVE_PERROR)
 check_symbol_exists(closesocket   "${CURL_INCLUDES}" HAVE_CLOSESOCKET)
-check_symbol_exists(setvbuf       "${CURL_INCLUDES}" HAVE_SETVBUF)
 check_symbol_exists(sigsetjmp     "${CURL_INCLUDES}" HAVE_SIGSETJMP)
 check_symbol_exists(getpass_r     "${CURL_INCLUDES}" HAVE_GETPASS_R)
-check_symbol_exists(strlcat       "${CURL_INCLUDES}" HAVE_STRLCAT)
 check_symbol_exists(getpwuid      "${CURL_INCLUDES}" HAVE_GETPWUID)
 check_symbol_exists(getpwuid_r    "${CURL_INCLUDES}" HAVE_GETPWUID_R)
 check_symbol_exists(geteuid       "${CURL_INCLUDES}" HAVE_GETEUID)
diff --git a/lib/config-os400.h b/lib/config-os400.h
index b5a9823fd..428ce77a8 100644
--- a/lib/config-os400.h
+++ b/lib/config-os400.h
@@ -310,9 +310,6 @@
 /* Define if you have the <string.h> header file. */
 #define HAVE_STRING_H
 
-/* Define if you have the `strlcpy' function. */
-#undef HAVE_STRLCPY
-
 /* Define if you have the <stropts.h> header file. */
 #undef HAVE_STROPTS_H
 
diff --git a/lib/config-riscos.h b/lib/config-riscos.h
index 2dc3c6631..6c9b584f5 100644
--- a/lib/config-riscos.h
+++ b/lib/config-riscos.h
@@ -296,9 +296,6 @@
 /* Define if you have the <string.h> header file. */
 #define HAVE_STRING_H
 
-/* Define if you have the `strlcpy' function. */
-#undef HAVE_STRLCPY
-
 /* Define if you have the `strstr' function. */
 #define HAVE_STRSTR
 
diff --git a/lib/config-tpf.h b/lib/config-tpf.h
index 3fdb8924c..0fa3fcdcf 100644
--- a/lib/config-tpf.h
+++ b/lib/config-tpf.h
@@ -450,9 +450,6 @@
 /* Define to 1 if you have the <string.h> header file. */
 #define HAVE_STRING_H 1
 
-/* Define to 1 if you have the `strlcpy' function. */
-/* #undef HAVE_STRLCPY */
-
 /* Define to 1 if you have the `strstr' function. */
 #define HAVE_STRSTR 1
 
diff --git a/lib/config-vxworks.h b/lib/config-vxworks.h
index 916d02338..435340ac6 100644
--- a/lib/config-vxworks.h
+++ b/lib/config-vxworks.h
@@ -553,9 +553,6 @@
 /* Define to 1 if you have the <string.h> header file. */
 #define HAVE_STRING_H 1
 
-/* Define to 1 if you have the `strlcpy' function. */
-/* #undef HAVE_STRLCPY */
-
 /* Define to 1 if you have the strncmpi function. */
 /* #undef HAVE_STRNCMPI */
 
diff --git a/lib/curl_config.h.cmake b/lib/curl_config.h.cmake
index fbe17bc5b..1f298871e 100644
--- a/lib/curl_config.h.cmake
+++ b/lib/curl_config.h.cmake
@@ -208,6 +208,9 @@
 /* Define to 1 if you have the `geteuid' function. */
 #cmakedefine HAVE_GETEUID 1
 
+/* Define to 1 if you have the `getppid' function. */
+#cmakedefine HAVE_GETPPID 1
+
 /* Define to 1 if you have the gethostbyaddr function. */
 #cmakedefine HAVE_GETHOSTBYADDR 1
 
@@ -500,9 +503,6 @@
 /* Define to 1 if you have the <pem.h> header file. */
 #cmakedefine HAVE_PEM_H 1
 
-/* Define to 1 if you have the `perror' function. */
-#cmakedefine HAVE_PERROR 1
-
 /* Define to 1 if you have the `pipe' function. */
 #cmakedefine HAVE_PIPE 1
 
@@ -644,12 +644,6 @@
 /* Define to 1 if you have the <string.h> header file. */
 #cmakedefine HAVE_STRING_H 1
 
-/* Define to 1 if you have the strlcat function. */
-#cmakedefine HAVE_STRLCAT 1
-
-/* Define to 1 if you have the `strlcpy' function. */
-#cmakedefine HAVE_STRLCPY 1
-
 /* Define to 1 if you have the strncmpi function. */
 #cmakedefine HAVE_STRNCMPI 1
 
@@ -740,6 +734,9 @@
 /* Define to 1 if you have the `utime' function. */
 #cmakedefine HAVE_UTIME 1
 
+/* Define to 1 if you have the `utimes' function. */
+#cmakedefine HAVE_UTIMES 1
+
 /* Define to 1 if you have the <utime.h> header file. */
 #cmakedefine HAVE_UTIME_H 1