Update the configure script to cross-compiling with OE.  This hard-codes
a few target paths, reworks a few tests to be more friendly for cross
and drops other tests.

Upstream-Status: Inappropriate [build system specific changes]

Index: src/configure.in
===================================================================
--- rp-pppoe-3.8.orig/src/configure.in	2006-04-03 00:29:42.000000000 +1000
+++ rp-pppoe-3.8/src/configure.in	2007-06-07 22:19:36.000000000 +1000
@@ -5,6 +5,13 @@
 dnl pppd directory for kernel-mode PPPoE
 PPPD_DIR=ppp-2.4.1.pppoe2
 
+dnl hard code some paths
+PPPD=/usr/sbin/pppd
+ID=/usr/bin/id
+ECHO=/bin/echo
+AC_ARG_VAR(PPPD)
+AC_ARG_VAR(ID)
+
 AC_CONFIG_HEADER(config.h)
 
 AC_PREFIX_DEFAULT(/usr)
@@ -44,7 +51,7 @@
 AC_MSG_RESULT($ac_cv_struct_sockaddr_ll)
 
 if test "$ac_cv_struct_sockaddr_ll" = yes ; then
-AC_DEFINE(HAVE_STRUCT_SOCKADDR_LL)
+AC_DEFINE([HAVE_STRUCT_SOCKADDR_LL], [], [Have struct SOCKADDR_LL])
 fi
 
 dnl Check for N_HDLC line discipline
@@ -55,7 +62,7 @@
 	ac_cv_n_hdlc=no)
 AC_MSG_RESULT($ac_cv_n_hdlc)
 if test "$ac_cv_n_hdlc" = yes ; then
-AC_DEFINE(HAVE_N_HDLC)
+AC_DEFINE([HAVE_N_HDLC], [], [Have N_HDLC])
 fi
 
 AC_ARG_ENABLE(plugin, [  --enable-plugin=pppd_src_path   build pppd plugin], ac_cv_pluginpath=$enableval, ac_cv_pluginpath=no)
@@ -100,13 +107,13 @@
 if test "$ac_cv_header_linux_if_pppox_h" = yes ; then
 	if test "$ac_cv_pluginpath" != no ; then
 		LINUX_KERNELMODE_PLUGIN=rp-pppoe.so
-		AC_DEFINE(HAVE_LINUX_KERNEL_PPPOE)
+		AC_DEFINE([HAVE_LINUX_KERNEL_PPPOE], [], [Have kernel PPPoE])
 		PPPD_INCDIR=$ac_cv_pluginpath
 	fi
 fi
 
 if test "$ac_cv_debugging" = "yes" ; then
-   AC_DEFINE(DEBUGGING_ENABLED)
+   AC_DEFINE([DEBUGGING_ENABLED], [], [Debugging enabled])
 fi
 
 AC_SUBST(LINUX_KERNELMODE_PLUGIN)
@@ -131,15 +138,8 @@
 AC_CHECK_SIZEOF(unsigned int)
 AC_CHECK_SIZEOF(unsigned long)
 
-dnl Check for location of pppd
-AC_PATH_PROG(PPPD, pppd, NOTFOUND, $PATH:/sbin:/usr/sbin:/usr/local/sbin)
-AC_PATH_PROG(ECHO, echo, echo)
-
-dnl Check for setsid (probably Linux-specific)
-AC_PATH_PROG(SETSID, setsid, "", $PATH:/sbin:/usr/sbin:/usr/local/sbin)
-
 dnl Check for an "id" which accepts "-u" option -- hack for Solaris.
-AC_PATH_PROG(ID, id, "", /usr/xpg4/bin:$PATH)
+dnl AC_PATH_PROG(ID, id, "", /usr/xpg4/bin:$PATH)
 
 dnl Check for Linux-specific kernel support for PPPoE
 AC_MSG_CHECKING(for Linux 2.4.X kernel-mode PPPoE support)
@@ -183,44 +183,8 @@
 	CFLAGS="$CFLAGS -Wall -Wstrict-prototypes -ansi"
 fi
 
-dnl If we couldn't find pppd, die
-if test "$PPPD" = "NOTFOUND"; then
-        AC_MSG_WARN([*** Oops!  I couldn't find pppd, the PPP daemon anywhere.])
-	AC_MSG_WARN([*** You must install pppd, version 2.3.10 or later.])
-	AC_MSG_WARN([*** I will keep going, but it may not work.])
-	PPPD=pppd
-fi
-
-dnl Figure out pppd version.  2.3.7 to 2.3.9 -- issue warning.  Less than
-dnl 2.3.7 -- stop
-
-PPPD_VERSION=`$PPPD --version 2>&1 | awk ' /version/ {print $NF}'`
-
-case "$PPPD_VERSION" in
-1.*|2.0.*|2.1.*|2.2.*|2.3.0|2.3.1|2.3.2|2.3.3|2.3.4|2.3.5|2.3.6)
-	AC_MSG_WARN([*** Oops! Your version of pppd is $PPPD_VERSION, which is too old.])
-	AC_MSG_WARN([*** You need at least 2.3.7 (2.3.10 or newer recommended.])
-	AC_MSG_WARN([*** I will keep going, but it may not work.])
-	;;
-
-2.3.7|2.3.8|2.3.9)
-	AC_MSG_WARN([*** Warning.  Your version of pppd is $PPPD_VERSION.  You will])
-	AC_MSG_WARN([*** not be able to use connect-on-demand.  Upgrade to pppd])
-	AC_MSG_WARN([*** 2.3.10 or newer if you need connect-on-demand.])
-	;;
-
-2*|3*|4*|5*|6*|7*|8*|9*)
-	;;
-
-*)
-	AC_MSG_WARN([*** Oops.  I cannot figure out what version of pppd you have.])
-	AC_MSG_WARN([*** All I got back was '$PPPD_VERSION'])
-	AC_MSG_WARN([*** I will keep going, but it may not work.])
-	;;
-esac
-
 dnl Figure out packing order of structures
-AC_MSG_CHECKING([packing order of bit fields])
+AC_CACHE_CHECK([packing order of bit fields],rpppoe_cv_pack_bitfields,[
 AC_TRY_RUN([
 union foo {
     struct bar {
@@ -245,10 +209,11 @@
     }
 }], rpppoe_cv_pack_bitfields=normal, rpppoe_cv_pack_bitfields=rev,
 $ECHO "no defaults for cross-compiling"; exit 0)
+])
 
 if test "$rpppoe_cv_pack_bitfields" = "rev" ; then
 	AC_MSG_RESULT(reversed)
-	AC_DEFINE(PACK_BITFIELDS_REVERSED)
+	AC_DEFINE([PACK_BITFIELDS_REVERSED], [], [Reversed bitfields])
 else
 	AC_MSG_RESULT(normal)
 fi
@@ -312,6 +277,7 @@
 AC_SUBST(RDYNAMIC)
 AC_SUBST(LIBEVENT)
 AC_SUBST(ECHO)
+AC_SUBST(HAVE_STRUCT_SOCKADDR_LL)
 
 datadir_evaluated=`eval echo $datadir`
 AC_SUBST(datadir_evaluated)
