michael@0: dnl This Source Code Form is subject to the terms of the Mozilla Public
michael@0: dnl License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0: dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
michael@0: 
michael@0: dnl Identify which version of the SDK we're building with
michael@0: dnl Windows Server 2008 and newer SDKs have WinSDKVer.h, get the version
michael@0: dnl from there
michael@0: AC_DEFUN([MOZ_FIND_WINSDK_VERSION], [
michael@0:   MOZ_CHECK_HEADERS([winsdkver.h])
michael@0:   if test "$ac_cv_header_winsdkver_h" = "yes"; then
michael@0:       dnl Get the highest _WIN32_WINNT and NTDDI versions supported
michael@0:       dnl Take the higher of the two
michael@0:       dnl This is done because the Windows 7 beta SDK reports its
michael@0:       dnl NTDDI_MAXVER to be 0x06000100 instead of 0x06010000, as it should
michael@0:       AC_CACHE_CHECK(for highest Windows version supported by this SDK,
michael@0:                      ac_cv_winsdk_maxver,
michael@0:                      [cat > conftest.h <<EOF
michael@0: #include <winsdkver.h>
michael@0: #include <sdkddkver.h>
michael@0: 
michael@0: #if (NTDDI_VERSION_FROM_WIN32_WINNT(_WIN32_WINNT_MAXVER) > NTDDI_MAXVER)
michael@0: #define WINSDK_MAXVER NTDDI_VERSION_FROM_WIN32_WINNT(_WIN32_WINNT_MAXVER)
michael@0: #else
michael@0: #define WINSDK_MAXVER NTDDI_MAXVER
michael@0: #endif
michael@0: 
michael@0: WINSDK_MAXVER
michael@0: EOF
michael@0:                       ac_cv_winsdk_maxver=`$CPP conftest.h 2>/dev/null | tail -n1`
michael@0:                       rm -f conftest.h
michael@0:                      ])
michael@0:       MOZ_WINSDK_MAXVER=${ac_cv_winsdk_maxver}
michael@0:   else
michael@0:       dnl Any SDK which doesn't have WinSDKVer.h is too old.
michael@0:       AC_MSG_ERROR([Your SDK does not have WinSDKVer.h. It is probably too old. Please upgrade to a newer SDK or try running the Windows SDK Configuration Tool and selecting a newer SDK. See https://developer.mozilla.org/En/Windows_SDK_versions for more details on fixing this.])
michael@0:   fi
michael@0: ])