Feature: Added checks for more functions which may become useful in the future versions

configure.ac

@@ -101,6 +101,7 @@ AC_CHECK_HEADERS([sys/socket.h])
 AC_CHECK_HEADERS([pwd.h grp.h])
 AC_CHECK_HEADERS([sys/resource.h])
 AC_CHECK_HEADERS([crypt.h])
+AC_CHECK_HEADERS([spawn.h])
 
 AC_C_BIGENDIAN
 
@@ -123,6 +124,9 @@ AC_CHECK_FUNCS([gettimeofday])
 AC_CHECK_FUNCS([ftime])
 AC_CHECK_FUNCS([getrlimit])
 
+dnl Checked only for reporting in version display as of now (may be used in future versions):
+AC_CHECK_FUNCS([pipe pipe2 socketpair posix_spawn posix_spawnp])
+
 dnl check for crypt():
 AC_SEARCH_LIBS([crypt_r], [crypt], [
     AC_DEFINE([HAVE_CRYPT_R], [1], [Define if you have crypt_r])

src/version.c

@@ -52,6 +52,7 @@
 const char * const * version_get_compiletime_flags(void)
 {
     static const char * const compiletime_flags[] = {
+        /* ---[ Functions ]--- */
 #ifdef HAVE_POLL
         "poll",
 #endif
@@ -73,9 +74,26 @@ const char * const * version_get_compiletime_flags(void)
 #ifdef HAVE_CRYPT_R
         "crypt_r",
 #endif
+#ifdef HAVE_PIPE
+        "pipe",
+#endif
+#ifdef HAVE_PIPE2
+        "pipe2",
+#endif
+#ifdef HAVE_SOCKETPAIR
+        "socketpair",
+#endif
+#ifdef HAVE_POSIX_SPAWN
+        "posix_spawn",
+#endif
+#ifdef HAVE_POSIX_SPAWNP
+        "posix_spawnp",
+#endif
+        /* ---[ OS ]--- */
 #ifdef WIN32
         "win32",
 #endif
+        /* ---[ Options ]--- */
 #ifdef DEVEL_LOGGING
         "developer-logging",
 #endif