From 17a4adbc25915207272d167eccea36c5172fb348 Mon Sep 17 00:00:00 2001
From: oes <oes@users.sourceforge.net>
Date: Wed, 9 Jan 2002 14:29:49 +0000
Subject: [PATCH] - Added AC_CHECK_FUNC tests for the availability of  
 gethostbyname_r, gethostbyaddr_r, gmtime_r and   localtime_r, as well as
 AC_TRY_COMPILE tests to   determine their signatures.

- Fixed a bug with the init of CFLAGS that was
  reported by barsnick
---
 configure.in | 144 ++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 138 insertions(+), 6 deletions(-)

diff --git a/configure.in b/configure.in
index d9a7e87b..714a278d 100644
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 dnl 
-dnl $Id: configure.in,v 1.24 2001/12/30 14:07:31 steudten Exp $
+dnl $Id: configure.in,v 1.25 2002/01/04 15:27:18 oes Exp $
 dnl 
 dnl Written by and Copyright (C) 2001 the SourceForge
 dnl IJBSWA team.  http://ijbswa.sourceforge.net
@@ -28,6 +28,9 @@ dnl or write to the Free Software Foundation, Inc., 59
 dnl Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 dnl 
 dnl $Log: configure.in,v $
+dnl Revision 1.25  2002/01/04 15:27:18  oes
+dnl Changed quoting of CODE_STATUS for use in make
+dnl
 dnl Revision 1.24  2001/12/30 14:07:31  steudten
 dnl - Add signal handling (unix)
 dnl - Add SIGHUP handler (unix)
@@ -211,7 +214,7 @@ dnl =================================================================
 dnl AutoConf Initialization
 dnl =================================================================
 
-AC_REVISION($Revision: 1.24 $)
+AC_REVISION($Revision: 1.25 $)
 AC_INIT(jcc.c)
 AC_CONFIG_HEADER(config.h)
 AC_CANONICAL_HOST
@@ -289,10 +292,12 @@ AC_ARG_WITH(debug,
                 fi
         ],
 	[
-	    if test "$GCC" = yes; then
-	      CFLAGS="-O2"
-	    else
-	      CFLAGS=
+	    if test "X$CFLAGS" = "X"; then # if CFLAGS are unset
+	      if test "$GCC" = yes; then
+		CFLAGS="-O2"
+	      else
+		CFLAGS=
+	      fi
 	    fi
 	]
 )
@@ -407,6 +412,133 @@ fi
 
 AC_SUBST(PTHREAD_ONLY)
 
+dnl =================================================================
+dnl Support for thread-safe versions of gethostbyaddr, gethostbyname,
+dnl gmtime and localtime
+dnl =================================================================
+
+AC_CHECK_FUNC(gethostbyaddr_r, [
+  AC_MSG_CHECKING([signature of gethostbyaddr_r])
+  AC_TRY_COMPILE([
+#   include <netdb.h>
+  ], [
+    struct hostent *h, *hp;
+    char *a, *b;
+    int l, bl, t, e;
+    (void) gethostbyaddr_r(a, l, t, h, b, bl, &hp, &e)
+  ], [
+    AC_DEFINE(HAVE_GETHOSTBYADDR_R_8_ARGS)
+    AC_MSG_RESULT([8 args])
+  ], [
+    AC_TRY_COMPILE([
+#     include <netdb.h>
+    ], [
+      struct hostent *h;
+      char *a, *b;
+      int l, bl, t, e;
+      (void) gethostbyaddr_r(a, l, t, h, b, bl, &e)
+    ], [
+      AC_DEFINE(HAVE_GETHOSTBYADDR_R_7_ARGS)
+      AC_MSG_RESULT([7 args])
+    ], [
+      AC_TRY_COMPILE([
+#       include <netdb.h>
+      ], [
+        struct hostent_data *d;
+        struct hostent *h;
+        char a,
+        int l, t;
+        (void) gethostbyaddr_r(a, l, t, h, d)
+      ], [
+        AC_DEFINE(HAVE_GETHOSTBYADDR_R_5_ARGS)
+        AC_MSG_RESULT([5 args])
+      ], [
+        AC_MSG_RESULT(unrecognised)
+      ])
+    ])
+  ])
+], [
+  AC_MSG_RESULT(no)
+])
+
+AC_CHECK_FUNC(gethostbyname_r, [
+  AC_MSG_CHECKING([signature of gethostbyname_r])
+  AC_TRY_COMPILE([
+#   include <netdb.h>
+  ], [
+    struct hostent *h, *r;
+    char *n, *b;
+    int bl, e;
+    (void) gethostbyname_r(n, h, b, bl, &r, &e)
+  ], [
+    AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARGS)
+    AC_MSG_RESULT([6 args])
+  ], [
+    AC_TRY_COMPILE([
+#     include <netdb.h>
+    ], [
+      struct hostent *h;
+      char *n, *b;
+      int bl, e;
+      (void) gethostbyname_r(n, h, b, bl, &e)
+    ], [
+      AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARGS)
+      AC_MSG_RESULT([5 args])
+    ], [
+      AC_TRY_COMPILE([
+#       include <netdb.h>
+      ], [
+        struct hostent_data *d;
+        struct hostent *h;
+        char *n,
+        (void) gethostbyname_r(n, h, d)
+      ], [
+        AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARGS)
+        AC_MSG_RESULT([3 args])
+      ], [
+        AC_MSG_RESULT(unrecognised)
+      ])
+    ])
+  ])
+], [
+  AC_MSG_RESULT(no)
+])
+
+AC_CHECK_FUNC(gmtime_r, [
+  AC_MSG_CHECKING([signature of gmtime_r])
+  AC_TRY_COMPILE([
+#   include <time.h>
+  ], [
+    struct time *t;
+    struct tm *tm;
+    (void) gmtime_r(t, tm)
+  ], [
+    AC_MSG_RESULT(ok)
+    AC_DEFINE(HAVE_GMTIME_R)
+  ], [
+    AC_MSG_RESULT(unrecognised)
+  ])
+], [
+  AC_MSG_RESULT(no)
+])
+
+AC_CHECK_FUNC(localtime_r, [
+  AC_MSG_CHECKING([signature of localtime_r])
+  AC_TRY_COMPILE([
+#   include <time.h>
+  ], [
+    struct time *t;
+    struct tm *tm;
+    (void) localtime_r(t, tm)
+  ], [
+    AC_MSG_RESULT(ok)
+    AC_DEFINE(HAVE_LOCALTIME_R)
+  ], [
+    AC_MSG_RESULT(unrecognised)
+  ])
+], [
+  AC_MSG_RESULT(no)
+])
 
 dnl =================================================================
 dnl Solaris specific
-- 
2.39.2