From d67d0b8f82a55d52c799aeb088a65927bc9aecf7 Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Thu, 7 Aug 1997 20:55:08 +0000
Subject: Interactive UNIX System V/386 Release 3.2 port.

svn path=/trunk/; revision=1245
---
 NEWS         |  1 +
 acconfig.h   |  3 +++
 configure.in |  8 ++++++--
 fetchmail.c  | 11 ++++++++++-
 4 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/NEWS b/NEWS
index ad54d873..64714889 100644
--- a/NEWS
+++ b/NEWS
@@ -25,6 +25,7 @@ fetchmail-4.0.8 ()
 * Fixed core dump bug in UID handling introduced by the 4.0.6 change.
 * Retrieval code for POP3 & older IMAP versions now skips X-IMAP message
   used by UW IMAP4rev1 server to store UIDs.
+* Port to Interactive UNIX System V/386 Release 3.2.
 
 There are 260 people on the fetchmail-friends list.
 
diff --git a/acconfig.h b/acconfig.h
index 89ccc555..c7ceaf43 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -41,6 +41,9 @@
 /* Define if you have atexit */
 #undef HAVE_ATEXIT
 
+/* Define if you have on_exit */
+#undef HAVE_ON_EXIT
+
 /* Define to help us deduce a 32-bit type (required for Kerberos) */
 #undef SIZEOF_INT
 #undef SIZEOF_SHORT
diff --git a/configure.in b/configure.in
index 4118e93b..df1b5f02 100644
--- a/configure.in
+++ b/configure.in
@@ -7,7 +7,7 @@ dnl
 AC_INIT(fetchmail.h)		dnl A distinctive file to look for in srcdir. 
 AC_CONFIG_HEADER(config.h)
 
-# We want these before the checks, so the checks can modify their values.
+dnl We want these before the checks, so the checks can modify their values.
 test -z "$CFLAGS" && CFLAGS=-O AC_SUBST(CFLAGS)
 test -z "$LDFLAGS" && LDFLAGS=-s AC_SUBST(LDFLAGS)
 
@@ -35,7 +35,11 @@ AC_CHECK_LIB(nsl,inet_addr)
 AC_CHECK_LIB(socket,socket)
 AC_CHECK_LIB(inet,socket)
 AC_CHECK_LIB(opie,opiegenerator)
-AC_CHECK_LIB(cposix, strchr)	dnl Interactive UNIX System V/386 Release 3.2
+
+dnl Port hack for Interactive UNIX System V/386 Release 3.2
+AC_CHECK_LIB(cposix, strchr,
+		[DEFS="$DEFS -D_SYSV3"
+		LIBS="$LIBS -lcposix"])
 
 AC_CHECK_FUNC(strstr, AC_DEFINE(HAVE_STRSTR), 
               [EXTRASRC="$EXTRASRC \$(srcdir)/strstr.c"
diff --git a/fetchmail.c b/fetchmail.c
index bf866a97..65c196b2 100644
--- a/fetchmail.c
+++ b/fetchmail.c
@@ -45,6 +45,10 @@
 
 #define DROPDEAD	6	/* maximum bad socket opens */
 
+#ifndef ENETUNREACH
+#define ENETUNREACH   128       /* Interactive doesn't know this */
+#endif /* ENETUNREACH */
+
 /* prototypes for internal functions */
 static int load_params(int, char **, int);
 static void dump_params (struct query *);
@@ -331,7 +335,8 @@ int main (int argc, char **argv)
 
 #ifdef HAVE_ATEXIT
 	atexit(unlockit);
-#else
+#endif
+#ifdef HAVE_ON_EXIT
 	on_exit(unlockit, (char *)NULL);
 #endif
     }
@@ -739,6 +744,10 @@ void termhook(int sig)
     if (!check_only)
 	write_saved_lists(querylist, idfile);
 
+#if !defined(HAVE_ATEXIT) && !defined(HAVE_ON_EXIT)
+    unlockit();
+#endif
+
     exit(successes ? PS_SUCCESS : querystatus);
 }
 
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