X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=m4%2Fopenvswitch.m4;h=0890b9f40ac1b8b59b1d1552b7153f0db2e87502;hb=0b0544d706d10516d3122fbcce8f1dc1dec6cb92;hp=7b23516a4049f4ffad07ec839886aeb094b27735;hpb=064af42167bf4fc9aaea2702d80ce08074b889c0;p=openvswitch

diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4
index 7b23516a..0890b9f4 100644
--- a/m4/openvswitch.m4
+++ b/m4/openvswitch.m4
@@ -1,18 +1,43 @@
 # -*- autoconf -*-
 
-# Copyright (c) 2008, 2009 Nicira Networks.
+# Copyright (c) 2008, 2009, 2010 Nicira Networks.
 #
-# Permission to use, copy, modify, and/or distribute this software for any
-# purpose with or without fee is hereby granted, provided that the above
-# copyright notice and this permission notice appear in all copies.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
 #
-# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+dnl Checks for --enable-coverage and updates CFLAGS and LDFLAGS appropriately.
+AC_DEFUN([OVS_CHECK_COVERAGE],
+  [AC_REQUIRE([AC_PROG_CC])
+   AC_ARG_ENABLE(
+     [coverage],
+     [AC_HELP_STRING([--enable-coverage], 
+                     [Enable gcov coverage tool.])],
+     [case "${enableval}" in
+        (lcov) coverage=true lcov=true ;;
+        (yes) coverage=true lcov=false ;;
+        (no)  coverage=false lcov=false ;;
+        (*) AC_MSG_ERROR([bad value ${enableval} for --enable-coverage]) ;;
+      esac],
+     [coverage=false lcov=false])
+   if $coverage; then
+     CFLAGS="$CFLAGS -O0 --coverage"
+     LDFLAGS="$LDFLAGS --coverage"
+   fi
+   if $lcov; then
+     if lcov --version >/dev/null 2>&1; then :; else
+       AC_MSG_ERROR([--enable-coverage=lcov was specified but lcov is not in \$PATH])
+     fi
+   fi
+   AC_SUBST([LCOV], [$lcov])])
 
 dnl Checks for --enable-ndebug and defines NDEBUG if it is specified.
 AC_DEFUN([OVS_CHECK_NDEBUG],
@@ -56,28 +81,25 @@ AC_DEFUN([OVS_CHECK_OPENSSL],
      [ssl=false])
 
    if test "$ssl" = true; then
-   dnl Make sure that pkg-config is installed.
-   m4_pattern_forbid([PKG_CHECK_MODULES])
-   PKG_CHECK_MODULES([SSL], [libssl], 
-     [HAVE_OPENSSL=yes],
-     [HAVE_OPENSSL=no
-      AC_MSG_WARN([Cannot find libssl:
-
-   $SSL_PKG_ERRORS
+       dnl Make sure that pkg-config is installed.
+       m4_pattern_forbid([PKG_CHECK_MODULES])
+       PKG_CHECK_MODULES([SSL], [libssl], 
+         [HAVE_OPENSSL=yes],
+         [HAVE_OPENSSL=no
+          AC_MSG_WARN([Cannot find libssl:
 
-   OpenFlow connections over SSL will not be supported.])])
+$SSL_PKG_ERRORS
 
+OpenFlow connections over SSL will not be supported.])])
+   else
+       HAVE_OPENSSL=no
    fi
+   AC_SUBST([HAVE_OPENSSL])
    AM_CONDITIONAL([HAVE_OPENSSL], [test "$HAVE_OPENSSL" = yes])
    if test "$HAVE_OPENSSL" = yes; then
       AC_DEFINE([HAVE_OPENSSL], [1], [Define to 1 if OpenSSL is installed.])
    fi])
 
-dnl Checks for libraries needed by lib/fault.c.
-AC_DEFUN([OVS_CHECK_FAULT_LIBS],
-  [AC_CHECK_LIB([dl], [dladdr], [FAULT_LIBS=-ldl])
-   AC_SUBST([FAULT_LIBS])])
-
 dnl Checks for libraries needed by lib/socket-util.c.
 AC_DEFUN([OVS_CHECK_SOCKET_LIBS],
   [AC_CHECK_LIB([socket], [connect])
@@ -203,8 +225,38 @@ dnl Checks for libpcre.
 AC_DEFUN([OVS_CHECK_PCRE],
   [dnl Make sure that pkg-config is installed.
    m4_pattern_forbid([PKG_CHECK_MODULES])
-   PKG_CHECK_MODULES([PCRE], [libpcre], [HAVE_PCRE=yes], [HAVE_PCRE=no])
+   PKG_CHECK_MODULES([PCRE], [libpcre >= 7.2], [HAVE_PCRE=yes], [HAVE_PCRE=no])
    AM_CONDITIONAL([HAVE_PCRE], [test "$HAVE_PCRE" = yes])
    if test "$HAVE_PCRE" = yes; then
       AC_DEFINE([HAVE_PCRE], [1], [Define to 1 if libpcre is installed.])
    fi])
+
+dnl Checks for Python 2.x, x >= 4.
+AC_DEFUN([OVS_CHECK_PYTHON],
+  [AC_CACHE_CHECK(
+     [for Python 2.x for x >= 4],
+     [ovs_cv_python],
+     [if test -n "$PYTHON"; then
+        ovs_cv_python=$PYTHON
+      else
+        ovs_cv_python=no
+        for binary in python python2.4 python2.5; do
+          ovs_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+          for dir in $PATH; do
+            IFS=$ovs_save_IFS
+            test -z "$dir" && dir=.
+            if test -x $dir/$binary && $dir/$binary -c 'import sys
+if sys.hexversion >= 0x02040000 and sys.hexversion < 0x03000000:
+    sys.exit(0)
+else:
+    sys.exit(1)'; then
+              ovs_cv_python=$dir/$binary
+              break 2
+            fi
+          done
+        done
+      fi])
+   AM_MISSING_PROG([PYTHON], [python])
+   if test $ovs_cv_python != no; then
+     PYTHON=$ovs_cv_python
+   fi])