Adds support to selectively compile kernel driver for
target versions. This is useful when environments to
compile for all targets might not be available on the
user's machine, or if the user wants to only compile
some targets selectively.

Also once appveyor has support to build Win10 targets,
we will not pass the "--with-vstudiotargetver" to the
configure script.

Signed-off-by: Shashank Ram <[email protected]>
---
 Makefile.am       | 15 +++++++++++++++
 appveyor.yml      |  4 ++--
 m4/openvswitch.m4 | 28 +++++++++++++++++++++++++++-
 3 files changed, 44 insertions(+), 3 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index d397f65..e035a98 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -411,14 +411,29 @@ if VSTUDIO_DDK
 ALL_LOCAL += ovsext
 ARCH = x64
 ovsext: datapath-windows/ovsext.sln 
$(srcdir)/datapath-windows/include/OvsDpInterface.h
+if VSTUDIO_WIN8
        MSBuild.exe //nologo //maxcpucount datapath-windows/ovsext.sln 
/target:Build /property:Configuration="Win8$(VSTUDIO_CONFIG)" 
/property:Version="$(PACKAGE_VERSION)" //p:Platform=$(ARCH)
+endif
+if VSTUDIO_WIN8_1
        MSBuild.exe //nologo //maxcpucount datapath-windows/ovsext.sln 
/target:Build /property:Configuration="Win8.1$(VSTUDIO_CONFIG)" 
/property:Version="$(PACKAGE_VERSION)" //p:Platform=$(ARCH)
+endif
+if VSTUDIO_WIN10
+        MSBuild.exe //nologo //maxcpucount datapath-windows/ovsext.sln 
/target:Build /property:Configuration="Win10$(VSTUDIO_CONFIG)" 
/property:Version="$(PACKAGE_VERSION)" //p:Platform=$(ARCH)
+endif
+
 
 CLEAN_LOCAL += ovsext_clean
 ovsext_clean: datapath-windows/ovsext.sln
+if VSTUDIO_WIN8
        MSBuild.exe //nologo //maxcpucount datapath-windows/ovsext.sln 
/target:Clean /property:Configuration="Win8$(VSTUDIO_CONFIG)" 
/property:Version="$(PACKAGE_VERSION)" //p:Platform=$(ARCH)
+endif
+if VSTUDIO_WIN8_1
        MSBuild.exe //nologo //maxcpucount datapath-windows/ovsext.sln 
/target:Clean /property:Configuration="Win8.1$(VSTUDIO_CONFIG)" 
/property:Version="$(PACKAGE_VERSION)" //p:Platform=$(ARCH)
 endif
+if VSTUDIO_WIN10
+        MSBuild.exe //nologo //maxcpucount datapath-windows/ovsext.sln 
/target:Clean /property:Configuration="Win10$(VSTUDIO_CONFIG)" 
/property:Version="$(PACKAGE_VERSION)" //p:Platform=$(ARCH)
+endif
+endif
 .PHONY: ovsext
 
 clang-analyze: clean
diff --git a/appveyor.yml b/appveyor.yml
index 0881e05..da31764 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,6 +1,6 @@
 version: 1.0.{build}
 branches:
-  only: 
+  only:
   - master
 clone_folder: C:\openvswitch
 init:
@@ -41,6 +41,6 @@ build_script:
 - C:\MinGW\msys\1.0\bin\bash -lc "cp 
/c/pthreads-win32/Pre-built.2/dll/x86/*.dll /c/openvswitch/."
 - C:\MinGW\msys\1.0\bin\bash -lc "mv /bin/link.exe /bin/link_copy.exe"
 - C:\MinGW\msys\1.0\bin\bash -lc "cd /c/openvswitch && ./boot.sh"
-- C:\MinGW\msys\1.0\bin\bash -lc "cd /c/openvswitch && ./configure 
CC=build-aux/cccl LD=\"`which link`\" LIBS=\"-lws2_32 -liphlpapi -lwbemuuid 
-lole32 -loleaut32\" --with-pthread=C:/pthreads-win32/Pre-built.2 
--with-openssl=C:/OpenSSL-Win32 --with-vstudiotarget=\"Debug\""
+- C:\MinGW\msys\1.0\bin\bash -lc "cd /c/openvswitch && ./configure 
CC=build-aux/cccl LD=\"`which link`\" LIBS=\"-lws2_32 -liphlpapi -lwbemuuid 
-lole32 -loleaut32\" --with-pthread=C:/pthreads-win32/Pre-built.2 
--with-openssl=C:/OpenSSL-Win32 --with-vstudiotarget=\"Debug\" 
--with-vstudiotargetver=\"Win8,Win8.1\""
 - C:\MinGW\msys\1.0\bin\bash -lc "cd /c/openvswitch && make"
 - C:\MinGW\msys\1.0\bin\bash -lc "cd /c/openvswitch && make 
datapath_windows_analyze"
diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4
index de4d66c..78082d4 100644
--- a/m4/openvswitch.m4
+++ b/m4/openvswitch.m4
@@ -173,6 +173,32 @@ AC_ARG_WITH([vstudiotarget],
       )
 
   AC_SUBST([VSTUDIO_CONFIG])
+
+AC_ARG_WITH([vstudiotargetver],
+         [AS_HELP_STRING([--with-vstudiotargetver=target_ver1,target_ver2],
+            [Target versions: Win8,Win8.1,Win10])],
+         [
+            targetver=`echo "$withval" | tr -s , ' ' `
+            for ver in $targetver; do
+                case "$ver" in
+                "Win8") VSTUDIO_WIN8=true ;;
+                "Win8.1")  VSTUDIO_WIN8_1=true ;;
+                "Win10") VSTUDIO_WIN10=true ;;
+                *) AC_MSG_ERROR([No valid Visual Studio target version found]) 
;;
+                esac
+            done
+
+         ], [
+            VSTUDIO_WIN8=true
+            VSTUDIO_WIN8_1=true
+            VSTUDIO_WIN10=true
+         ]
+      )
+
+  AM_CONDITIONAL([VSTUDIO_WIN8], [test -n "$VSTUDIO_WIN8"])
+  AM_CONDITIONAL([VSTUDIO_WIN8_1], [test -n "$VSTUDIO_WIN8_1"])
+  AM_CONDITIONAL([VSTUDIO_WIN10], [test -n "$VSTUDIO_WIN10"])
+
   AC_DEFINE([VSTUDIO_DDK], [1], [System uses the Visual Studio build target.])
   AM_CONDITIONAL([VSTUDIO_DDK], [test -n "$VSTUDIO_CONFIG"])
 ])
@@ -573,7 +599,7 @@ TEST_ATOMIC_TYPE(unsigned long long int);
 dnl OVS_CHECK_ATOMIC_ALWAYS_LOCK_FREE(SIZE)
 dnl
 dnl Checks __atomic_always_lock_free(SIZE, 0)
-AC_DEFUN([OVS_CHECK_ATOMIC_ALWAYS_LOCK_FREE], 
+AC_DEFUN([OVS_CHECK_ATOMIC_ALWAYS_LOCK_FREE],
   [AC_CACHE_CHECK(
     [value of __atomic_always_lock_free($1)],
     [ovs_cv_atomic_always_lock_free_$1],
-- 
2.9.3.windows.2

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