Added support for ctermid, tempnam, tmpfile, tmpnam, and tmpnam_r.
diff --git a/configure.in b/configure.in
index 3d3383c..8ba972a 100644
--- a/configure.in
+++ b/configure.in
@@ -679,13 +679,14 @@
 LIBS="$LIBS -ldl -ldld"], AC_MSG_RESULT(no))
 
 # checks for library functions
-AC_CHECK_FUNCS(alarm chown clock dlopen execv flock fork \
+AC_CHECK_FUNCS(alarm chown clock ctermid ctermid_r dlopen execv flock fork \
  fsync fdatasync ftime ftruncate \
  getpeername getpgrp getpid getpwent gettimeofday getwd \
  kill link lstat mkfifo mktime nice pause plock pthread_init putenv readlink \
  select setgid setlocale setuid setsid setpgid setpgrp setvbuf \
  sigaction siginterrupt sigrelse strftime strptime symlink \
- tcgetpgrp tcsetpgrp timegm times truncate uname waitpid)
+ tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
+ truncate uname waitpid)
 
 # check for long file support functions
 AC_CHECK_FUNCS(fseek64 fseeko fstatvfs ftell64 ftello statvfs)