X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/8fcf5c48920ed93a7bf7ce2104f5ede87bfba7cd..f03c5a86c8c9b1f03d8ced522597c9a9844002b4:/configure.ac

diff --git a/configure.ac b/configure.ac
index 5bfe13d..bfed8b5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 # Process this file with autoconf to produce a configure script.
 #
 # This file is part of DisOrder.
-# Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell
+# Copyright (C) 2004-2008 Richard Kettlewell
 # Portions copyright (C) 2007 Ross Younger
 #
 # This program is free software; you can redistribute it and/or modify
@@ -20,9 +20,9 @@
 # USA
 #
 
-AC_INIT([disorder], [2.0+], [richard+disorder@sfere.greenend.org.uk])
+AC_INIT([disorder], [3.0+], [richard+disorder@sfere.greenend.org.uk])
 AC_CONFIG_AUX_DIR([config.aux])
-AM_INIT_AUTOMAKE(disorder, [2.0+])
+AM_INIT_AUTOMAKE(disorder, [3.0+])
 AC_CONFIG_SRCDIR([server/disorderd.c])
 AM_CONFIG_HEADER([config.h])
 
@@ -44,6 +44,7 @@ AC_SET_MAKE
 if test "x$GCC" = xyes; then
   gcc_werror=-Werror
 else
+  AC_MSG_ERROR([GNU C is required to build this program])
   gcc_werror=""
 fi
 
@@ -111,9 +112,20 @@ case "$host" in
   # there by default
   LDFLAGS="${LDFLAGS} -L/usr/local/lib"
   CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
-  # libdb installs elsewhere again
-  LDFLAGS="${LDFLAGS} -L/usr/local/lib/db44"
-  CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/db44"
+  # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
+  AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
+    rjk_cv_libdb="none"
+    for db in db43 db44 db45 db46; do
+      if test -e /usr/local/lib/$db; then
+        rjk_cv_libdb=$db
+        break
+      fi
+    done
+  ])
+  if test $rjk_cv_libdb != none; then
+    LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
+    CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
+  fi
   ;;
 * )
   AC_MSG_RESULT([unknown, winging it])
@@ -129,7 +141,7 @@ AC_ARG_WITH([browser],
 
 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
   rjk_cv_browser=UNKNOWN
-  for candidate in x-www-browser firefox mozilla konqueror netscape; do
+  for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
     if type $candidate >/dev/null 2>&1; then
       rjk_cv_browser="$candidate"
       break
@@ -405,7 +417,7 @@ if test $ac_cv_type_long_long = yes; then
     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
   fi
 fi
-AC_CHECK_FUNCS([ioctl nl_langinfo strsignal],[:],[
+AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
   missing_functions="$missing_functions $ac_func"
 ])
 # fsync will do if fdatasync not available
@@ -416,6 +428,10 @@ AC_CHECK_FUNCS([fdatasync],[:],[
 if test ! -z "$missing_functions"; then
   AC_MSG_ERROR([missing functions:$missing_functions])
 fi
+
+# Functions we can take or leave
+AC_CHECK_FUNCS([fls])
+
 if test $want_server = yes; then
   # <db.h> had better be version 3 or later
   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
@@ -439,7 +455,34 @@ if test $want_server = yes; then
   fi
 fi
 
+AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
+if test $want_gtk = yes; then
+  AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
+fi
+
 if test "x$GCC" = xyes; then
+  # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
+  # by default.
+  AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
+    AC_TRY_COMPILE([#include <limits.h>],[
+      long long n = LLONG_MAX;
+    ],[rjk_cv_cstd=default],[
+      old_CC="$CC"
+      CC="${CC} -std=gnu99"
+      AC_TRY_COMPILE([#include <limits.h>],[
+        long long n = LLONG_MAX;
+      ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
+      CC="$old_CC"
+    ])
+  ])
+  case $rjk_cv_cstd in
+  default | unknown )
+    ;;
+  * )
+    CC="${CC} -std=${rjk_cv_cstd}"
+    ;;
+  esac
+
   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
   AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
     old_CC="$CC"
@@ -477,7 +520,12 @@ if test "x$GCC" = xyes; then
 		    rjk_cv_werror, [
       save_CFLAGS="${CFLAGS}"
       CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
-      AC_TRY_COMPILE([#include <gtk/gtk.h>],
+      AC_TRY_COMPILE([#if WITH_GTK
+ #include <gtk/gtk.h>
+#endif
+
+struct s { int a, b; };
+const struct s sv = { .a = 1 };],
 		     [],
 		     [rjk_cv_werror=yes],
 		     [rjk_cv_werror=no])
@@ -528,7 +576,6 @@ AH_BOTTOM([#ifdef __GNUC__
 #endif])
 
 AC_CONFIG_FILES([Makefile
-		 templates/Makefile
 		 images/Makefile
 		 scripts/Makefile
 		 lib/Makefile
@@ -536,6 +583,7 @@ AC_CONFIG_FILES([Makefile
 		 clients/Makefile
 		 disobedience/Makefile
 		 doc/Makefile
+		 templates/Makefile
 		 plugins/Makefile
 		 driver/Makefile
 		 debian/Makefile