* configure.in: add checks for setitimer and getitimer.

Add --enable-error-on-warning.

diff --git a/configure.in b/configure.in
index f51e4c4..78a0bf7 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -43,6 +43,14 @@ AC_CONFIG_SUBDIRS(guile-readline)
 #
 #--------------------------------------------------------------------
 
+AC_ARG_ENABLE(error-on-warning,
+  [  --enable-error-on-warning    treat compile warnings as errors],
+  [case "${enableval}" in
+     yes | y) CFLAGS="${CFLAGS} -Werror"; enable_compile_warnings=no ;;
+     no | n)  ;;
+     *) AC_MSG_ERROR(bad value ${enableval} for --enable-error-on-warning) ;;
+   esac])
+
 AC_ARG_ENABLE(debug-freelist,
   [  --enable-debug-freelist include garbage collector freelist debugging code],
   if test "$enable_debug_freelist" = y || test "$enable_debug_freelist" = yes; then
@@ -232,7 +240,7 @@ AC_SUBST(INCLTDL)
 AC_SUBST(LIBLTDL)
 AC_SUBST(DLPREOPEN)
 
-AC_CHECK_FUNCS(ctermid ftime fchown getcwd geteuid gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction siginterrupt strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid strdup system usleep atexit on_exit chown link fcntl ttyname getpwent getgrent kill getppid getpgrp fork)
+AC_CHECK_FUNCS(ctermid ftime fchown getcwd geteuid gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction siginterrupt strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid strdup system usleep atexit on_exit chown link fcntl ttyname getpwent getgrent kill getppid getpgrp fork setitimer getitimer)
 
 AC_CHECK_HEADERS(crypt.h sys/resource.h sys/file.h)
 AC_CHECK_FUNCS(chroot flock getlogin cuserid getpriority setpriority getpass sethostname gethostname)