X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=acinclude.m4;h=34634a2b792fc95db1e79a4aaf6228ccd44ef176;hb=994145e0f7c66d4cdada1d15a5fd4699931069fc;hp=b5876a880325d7af7a9a9962088f0c66ea81c4e0;hpb=6c4ea27c48b30eaec8e37e642d5072f53c5b2670;p=sliver-openvswitch.git

diff --git a/acinclude.m4 b/acinclude.m4
index b5876a880..34634a2b7 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -1,6 +1,6 @@
 # -*- autoconf -*-
 
-# Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
+# Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -144,7 +144,8 @@ AC_DEFUN([OVS_CHECK_LINUX], [
          AC_ERROR([Linux kernel in build tree $KBUILD (source tree $KSRC) is version $kversion, but version 2.6 or later is required])
        fi
     fi
-    if test ! -e "$KBUILD"/include/linux/version.h || \
+    if (test ! -e "$KBUILD"/include/linux/version.h && \
+        test ! -e "$KBUILD"/include/generated/uapi/linux/version.h)|| \
        (test ! -e "$KBUILD"/include/linux/autoconf.h && \
         test ! -e "$KBUILD"/include/generated/autoconf.h); then
 	AC_MSG_ERROR([Linux kernel source in $KBUILD is not configured])
@@ -214,11 +215,17 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
 
   OVS_GREP_IFELSE([$KSRC/include/linux/err.h], [ERR_CAST])
 
+  OVS_GREP_IFELSE([$KSRC/include/linux/etherdevice.h], [eth_hw_addr_random])
+
+  OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [vlan_set_encap_proto])
+
   OVS_GREP_IFELSE([$KSRC/include/linux/in.h], [ipv4_is_multicast])
 
   OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_disable_lro])
   OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_get_stats])
   OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_get_by_index_rcu])
+  OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [__skb_gso_segment])
+  OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [can_checksum_protocol])
 
   OVS_GREP_IFELSE([$KSRC/include/linux/rcupdate.h], [rcu_read_lock_held], [],
                   [OVS_GREP_IFELSE([$KSRC/include/linux/rtnetlink.h],
@@ -248,6 +255,7 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
                   [OVS_DEFINE([HAVE_SKB_WARN_LRO])])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [consume_skb])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_frag_page])
+  OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_reset_mac_len])
 
   OVS_GREP_IFELSE([$KSRC/include/linux/string.h], [kmemdup], [],
                   [OVS_GREP_IFELSE([$KSRC/include/linux/slab.h], [kmemdup])])
@@ -262,11 +270,19 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
 
   OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [NLA_NUL_STRING])
   OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_get_be16])
+  OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be16])
+  OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be32])
+  OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be64])
   OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_find_nested])
 
   OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [ADD_ALL_VLANS_CMD],
                   [OVS_DEFINE([HAVE_VLAN_BUG_WORKAROUND])])
 
+  OVS_GREP_IFELSE([$KSRC/include/linux/percpu.h], [this_cpu_ptr])
+
+  OVS_GREP_IFELSE([$KSRC/include/linux/openvswitch.h], [openvswitch_handle_frame_hook],
+                  [OVS_DEFINE([HAVE_RHEL_OVS_HOOK])])
+
   OVS_CHECK_LOG2_H
 
   if cmp -s datapath/linux/kcompat.h.new \
@@ -288,7 +304,9 @@ AC_DEFUN([OVS_CHECK_IF_PACKET],
                 [Define to 1 if net/if_packet.h is available.])
    fi])
 
-dnl Checks for net/if_dl.h
+dnl Checks for net/if_dl.h.
+dnl
+dnl (We use this as a proxy for checking whether we're building on FreeBSD.)
 AC_DEFUN([OVS_CHECK_IF_DL],
   [AC_CHECK_HEADER([net/if_dl.h],
                    [HAVE_IF_DL=yes],
@@ -297,6 +315,9 @@ AC_DEFUN([OVS_CHECK_IF_DL],
    if test "$HAVE_IF_DL" = yes; then
       AC_DEFINE([HAVE_IF_DL], [1],
                 [Define to 1 if net/if_dl.h is available.])
+
+      # On FreeBSD we use libpcap to access network devices.
+      AC_SEARCH_LIBS([pcap_open_live], [pcap])
    fi])
 
 dnl Checks for buggy strtok_r.
@@ -405,7 +426,7 @@ dnl OVS_MAKE_HAS_IF([if-true], [if-false])
 dnl
 dnl Checks whether make has the GNU make $(if condition,then,else) extension.
 dnl Runs 'if-true' if so, 'if-false' otherwise.
-AC_DEFUN([OVS_MAKE_HAS_IF],
+AC_DEFUN([OVS_CHECK_MAKE_IF],
   [AC_CACHE_CHECK(
      [whether ${MAKE-make} has GNU make \$(if) extension],
      [ovs_cv_gnu_make_if],
@@ -425,8 +446,28 @@ EOF
         ovs_cv_gnu_make_if=yes
       else
         ovs_cv_gnu_make_if=no
-      fi])
-   AS_IF([test $ovs_cv_gnu_make_if = yes], [$1], [$2])])
+      fi])])
+
+dnl OVS_CHECK_GNU_MAKE
+dnl
+dnl Checks whether make is GNU make (because Linux kernel Makefiles
+dnl only work with GNU make).
+AC_DEFUN([OVS_CHECK_GNU_MAKE],
+  [AC_CACHE_CHECK(
+     [whether ${MAKE-make} is GNU make],
+     [ovs_cv_gnu_make],
+     [rm -f conftest.out
+      AS_ECHO(["$as_me:$LINENO: invoking ${MAKE-make} --version:"]) >&AS_MESSAGE_LOG_FD 2>&1
+      ${MAKE-make} --version >conftest.out 2>&1
+      cat conftest.out >&AS_MESSAGE_LOG_FD 2>&1
+      result=`cat conftest.out`
+      rm -f conftest.mk conftest.out
+
+      case $result in # (
+        GNU*) ovs_cv_gnu_make=yes ;; # (
+        *) ovs_cv_gnu_make=no ;;
+      esac])
+   AM_CONDITIONAL([GNU_MAKE], [test $ovs_cv_gnu_make = yes])])
 
 dnl OVS_CHECK_SPARSE_TARGET
 dnl
@@ -447,11 +488,23 @@ AC_DEFUN([OVS_CHECK_SPARSE_TARGET],
    AC_SUBST([SPARSEFLAGS])
    AC_SUBST([CGCCFLAGS])])
 
+dnl OVS_SPARSE_EXTRA_INCLUDES
+dnl
+dnl The cgcc script from "sparse" does not search gcc's default
+dnl search path. Get the default search path from GCC and pass
+dnl them to sparse.
+AC_DEFUN([OVS_SPARSE_EXTRA_INCLUDES],
+    AC_SUBST([SPARSE_EXTRA_INCLUDES],
+           [`$CC -v -E - </dev/null 2>&1 >/dev/null | sed -n -e '/^#include.*search.*starts.*here:/,/^End.*of.*search.*list\./s/^ \(.*\)/-I \1/p' |grep -v /usr/lib | grep -x -v '\-I /usr/include' | tr \\\n ' ' `] ))
+
 dnl OVS_ENABLE_SPARSE
 AC_DEFUN([OVS_ENABLE_SPARSE],
   [AC_REQUIRE([OVS_CHECK_SPARSE_TARGET])
-   OVS_MAKE_HAS_IF(
-     [AC_CONFIG_COMMANDS_PRE(
-        [: ${SPARSE=sparse}
-         AC_SUBST([SPARSE])
-         CC='$(if $(C),REAL_CC="'"$CC"'" CHECK="$(SPARSE) -I $(top_srcdir)/include/sparse $(SPARSEFLAGS)" cgcc $(CGCCFLAGS),'"$CC"')'])])])
+   AC_REQUIRE([OVS_CHECK_MAKE_IF])
+   AC_REQUIRE([OVS_SPARSE_EXTRA_INCLUDES])
+   : ${SPARSE=sparse}
+   AC_SUBST([SPARSE])
+   AC_CONFIG_COMMANDS_PRE(
+     [if test $ovs_cv_gnu_make_if = yes; then
+        CC='$(if $(C),REAL_CC="'"$CC"'" CHECK="$(SPARSE) -I $(top_srcdir)/include/sparse $(SPARSEFLAGS) $(SPARSE_EXTRA_INCLUDES) " cgcc $(CGCCFLAGS),'"$CC"')'
+      fi])])