diff --git a/ChangeLog b/ChangeLog
index a0643ca63d..40a76fe553 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Apr 25 18:26:23 2004  WATANABE Hirofumi  <eban@ruby-lang.org>
+
+	* configure.in (ac_cv_func_fork): set to no on DJGPP.
+
 Sat Apr 24 14:32:03 2004  Kazuo Saito  <ksaito@uranus.dti.ne.jp>
 
 	* re.c: applied stack error handling patch. [ruby-dev:22431]
diff --git a/configure.in b/configure.in
index 8363565634..3e10b03118 100644
--- a/configure.in
+++ b/configure.in
@@ -317,6 +317,7 @@ os2-emx*)	LIBS="-lm $LIBS"
 msdosdjgpp*)	LIBS="-lm $LIBS"
 		ac_cv_func_getpgrp_void=yes
 		ac_cv_func_setitimer=no
+		ac_cv_func_fork=no
 		;;
 freebsd*)	LIBS="-lm $LIBS"
 		AC_CACHE_CHECK([whether -lxpg4 has to be linked],