From f55f3c1408d32ccf2ecb6f39e338082a93cfab0b Mon Sep 17 00:00:00 2001
From: Fumitoshi UKAI <ukai@debian.or.jp>
Date: Thu, 22 Nov 2001 13:53:19 +0000
Subject: check alarm

---
 ChangeLog |  4 ++++
 configure | 23 ++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index e8fcd6b..707bf78 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2001-11-22  Fumitoshi UKAI  <ukai@debian.or.jp
+
+	* configure (alarm): check alarm if USE_ALARM
+
 2001-11-22  Tsutomu Okada <okada@furuno.co.jp>
 
 	* [w3m-dev 02501]
diff --git a/configure b/configure
index b97736b..a0b7dd5 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #!/bin/sh
-# $Id: configure,v 1.13 2001/11/22 03:22:12 ukai Exp $
+# $Id: configure,v 1.14 2001/11/22 13:53:19 ukai Exp $
 #	Configuration.
 #
 
@@ -1590,6 +1590,27 @@ else
   fi
 fi
 
+# check alarm()
+if [ "$use_alarm" = y ]; then
+  cat > _zdmachdep.c <<EOF
+#include <unistd.h>
+#include <signal.h>
+main()
+{
+    int sa = SIGALRM;
+    void (*)() = alarm;
+}
+EOF
+  if $cc $cflags -o _zmachdep _zmachdep.c > /dev/null 2>&1
+  then
+    echo "You have alarm()."
+  else
+    echo "You don't have alarm(), disable USE_ALARM"
+    use_alarm=n
+    def_use_alarm="#undef USE_ALARM"
+  fi
+fi
+
 # check for float.h
 cat > _zmachdep.c << EOF
 #include <float.h>
-- 
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