Support universal C runtime, SDK 10 and .NET 4.6

Starting with MSVC 14.0 (aka VS 2015) C Runtime (CRT) was divided in
two logical parts: The VCRuntime, which contained the compiler support
functionality required for things like process startup and exception
handling, and a "stable" part that contained all of the purely library
parts of the CRT.

Previously, all of the CRT headers, sources, and libraries were
distributed as part of the Visual C++ SDK, installed in the VC
subdirectory of Visual Studio installation (generally C:\Program
Files (x86)\Microsoft Visual Studio 14.0\VC). The files for the
VCRuntime are still part of the Visual C++ SDK. The headers, sources,
and libraries are now distributed as part of a separate Universal CRT
SDK. This SDK is included with Visual Studio; it is installed to
C:\Program Files (x86)\Windows Kits\10. The debug ucrtbased.dll is
also included as part of this SDK and is installed to the system
directory.

In I0ef8cda7b initial support was added to suport VS 2015. In this
change support for universal CRT, .NET 4.6 and SDK 10 is added. UCRT
dirs are added to CFLAG, CXXFLAG and ILIB. SDK 10 include path is
added to SOLARINC. .NET Framework 4.6 was splitted from SDK 10 and
needs to be discovered separately.

Change-Id: I2c484b6b1debab0d71523385021abb8fc8e6027f
Reviewed-on: https://gerrit.libreoffice.org/16642Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Stahl <mstahl@redhat.com>

configure.ac

@@ -3475,6 +3475,15 @@ find_msvs()
     done
 }
 
+find_ucrt()
+{
+    reg_get_value_32 "HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/Windows Kits/Installed Roots/KitsRoot10"
+    if test -n "$regvalue"; then
+        ucrttest=$regvalue
+        ucrtdir=10.0.10240.0
+    fi
+}
+
 find_msvc()
 {
     # Find Visual C++ 2013/2015
@@ -3516,6 +3525,7 @@ find_msvc()
     fi
 }
 
+SOLARINC=
 SHOWINCLUDES_PREFIX=
 MSBUILD_PATH=
 DEVENV=
@@ -3561,6 +3571,28 @@ if test "$_os" = "WINNT"; then
             AC_MSG_RESULT([No])
         fi
 
+        AC_MSG_CHECKING([whether UCRT is needed for this compiler version])
+        if test "$vcnum" = "120"; then
+            AC_MSG_RESULT([No])
+        else
+            AC_MSG_RESULT([Yes])
+            AC_MSG_CHECKING([for UCRT location])
+            find_ucrt
+            if test -n "$ucrttest"; then
+                AC_MSG_RESULT([found])
+                PathFormat "$ucrttest"
+                ucrtincpath_formatted="$formatted_path/Include/$ucrtdir/ucrt"
+                # SOLARINC is used for external modules and must be set too.
+                # And no, it's not sufficient to set SOLARINC only, as configure
+                # itself doesn't honour it.
+                SOLARINC="$SOLARINC -I$ucrtincpath_formatted"
+                CFLAGS="$CFLAGS -I$ucrtincpath_formatted"
+                CXXFLAGS="$CPPFLAGS -I$ucrtincpath_formatted"
+            else
+                AC_MSG_ERROR([not found])
+            fi
+        fi
+
         # Find the proper version of MSBuild.exe to use based on the VS version
         reg_get_value_32 HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/MSBuild/$vcnumwithdot/MSBuildOverrideTasksPath
         if test -n "$regvalue" ; then
@@ -4043,8 +4075,6 @@ AC_SUBST(x_LDFLAGS)
 # determine CPUNAME, OS, ...
 # The USING_X11 flag tells whether the host os uses X by default. Can be overriden with the --without-x option.
 #
-SOLARINC=
-
 case "$host_os" in
 
 aix*)
@@ -5194,6 +5224,20 @@ find_dotnetsdk()
     done
 }
 
+find_dotnetsdk46()
+{
+    unset frametest
+
+    for ver in 4.6; do
+        # TODO(davido): Do we need to take care about 32bit?
+        reg_get_value_64 "HKEY_LOCAL_MACHINE/SOFTWARE/Wow6432Node/Microsoft/Microsoft SDKs/NETFXSDK/$ver/KitsInstallationFolder"
+        if test -n "$regvalue"; then
+            frametest=$regvalue
+            return
+        fi
+    done
+}
+
 find_winsdk_version()
 {
     # Args: $1 : SDK version as in "6.0A", "7.0" etc
@@ -5297,7 +5341,15 @@ find_msms()
 find_msvc_x64_dlls()
 {
     msvcdllpath="$VC_PRODUCT_DIR/redist/x64/Microsoft.VC${VCVER}.CRT"
-    msvcdlls="msvcp${VCVER}.dll msvcr${VCVER}.dll"
+    # http://blogs.msdn.com/b/vcblog/archive/2014/06/03/visual-studio-14-ctp.aspx
+    # Refactored C Runtime (CRT): This CTP contains the first preview of the substantially refactored CRT.
+    # msvcr140.dll no longer exists. It is replaced by a trio of DLLs: vcruntime140.dll, appcrt140.dll,
+    # and desktopcrt140.dll.
+    if test "$VCVER" = 140; then
+       msvcdlls="msvcp${VCVER}.dll vcruntime${VCVER}.dll"
+    else
+       msvcdlls="msvcp${VCVER}.dll msvcr${VCVER}.dll"
+    fi
     for dll in $msvcdlls; do
         if ! test -f "$msvcdllpath/$dll"; then
             AC_MSG_ERROR([can not find $dll in $msvcdllpath])
@@ -5364,18 +5416,28 @@ if test "$build_os" = "cygwin"; then
     AL_PATH=`win_short_path_for_make "$AL_PATH"`
 
     dnl Check mscoree.lib / .NET Framework dir
-    AC_MSG_CHECKING(.NET Framework)
+    AC_MSG_CHECKING(.NET Framework find_dotnetsdk)
     find_dotnetsdk
     if test -f "$frametest/lib/mscoree.lib"; then
         DOTNET_FRAMEWORK_HOME="$frametest"
     else
+        AC_MSG_CHECKING(.NET Framework find_winsdk)
         find_winsdk
         if test -f "$winsdktest/lib/mscoree.lib" -o -f "$winsdktest/lib/$winsdklibsubdir/um/$WINDOWS_SDK_ARCH/mscoree.lib"; then
             DOTNET_FRAMEWORK_HOME="$winsdktest"
+        else
+            AC_MSG_CHECKING(.NET Framework find_dotnetsdk46)
+            find_dotnetsdk46
+            PathFormat "$frametest"
+            frametest="$formatted_path"
+            AC_MSG_CHECKING(found: $frametest/um/$WINDOWS_SDK_ARCH/mscoree.lib)
+            if test -f "$frametest/Lib/um/$WINDOWS_SDK_ARCH/mscoree.lib"; then
+                 DOTNET_FRAMEWORK_HOME="$frametest"
+            fi
         fi
     fi
 
-    if test ! -f "$DOTNET_FRAMEWORK_HOME/lib/mscoree.lib" -a ! -f "$DOTNET_FRAMEWORK_HOME/lib/$winsdklibsubdir/um/$WINDOWS_SDK_ARCH/mscoree.lib"; then
+    if test ! -f "$DOTNET_FRAMEWORK_HOME/lib/mscoree.lib" -a ! -f "$DOTNET_FRAMEWORK_HOME/lib/$winsdklibsubdir/um/$WINDOWS_SDK_ARCH/mscoree.lib" -a ! -f "$DOTNET_FRAMEWORK_HOME/Lib/um/$WINDOWS_SDK_ARCH/mscoree.lib"; then
         AC_MSG_ERROR([mscoree.lib not found])
     fi
     AC_MSG_RESULT(found)
@@ -8720,7 +8782,7 @@ if test "$with_system_odbc" = "yes" -o '(' "$with_system_headers" = "yes" -a "$w
         save_CPPFLAGS=$CPPFLAGS
         find_winsdk
         PathFormat "$winsdktest"
-        CPPFLAGS="$CPPFLAGS -I$formatted_path/include/um -I$formatted_path/include -I$formatted_path/include/shared"
+        CPPFLAGS="$CPPFLAGS -I$formatted_path/include/um -I$formatted_path/Include/$winsdklibsubdir/um -I$formatted_path/include -I$formatted_path/include/shared"
         AC_CHECK_HEADER(sqlext.h, [],
             [AC_MSG_ERROR(odbc not found. install odbc)],
             [#include <windows.h>])
@@ -9598,6 +9660,10 @@ if test "$_os" = "WINNT"; then
              -a -f "$WINDOWS_SDK_HOME/Include/um/SqlUcode.h" \
              -a -f "$WINDOWS_SDK_HOME/Include/um/usp10.h"; then
             have_windows_sdk_headers=yes
+        elif test -f "$WINDOWS_SDK_HOME/Include/$winsdklibsubdir/um/adoint.h" \
+             -a -f "$WINDOWS_SDK_HOME/Include/$winsdklibsubdir/um/SqlUcode.h" \
+             -a -f "$WINDOWS_SDK_HOME/Include/$winsdklibsubdir/um/usp10.h"; then
+            have_windows_sdk_headers=yes
         else
             have_windows_sdk_headers=no
         fi
@@ -9646,6 +9712,9 @@ the  Windows SDK are installed.])
     elif echo $WINDOWS_SDK_HOME | grep "8.1" >/dev/null 2>/dev/null; then
         WINDOWS_SDK_VERSION=81
         AC_MSG_RESULT([found Windows SDK 8.1 ($WINDOWS_SDK_HOME)])
+    elif echo $WINDOWS_SDK_HOME | grep "/10" >/dev/null 2>/dev/null; then
+        WINDOWS_SDK_VERSION=10
+        AC_MSG_RESULT([found Windows SDK 10.0 ($WINDOWS_SDK_HOME)])
     else
         AC_MSG_ERROR([Found legacy Windows Platform SDK ($WINDOWS_SDK_HOME)])
     fi
@@ -9655,6 +9724,8 @@ the  Windows SDK are installed.])
         SOLARINC="$SOLARINC -I$WINDOWS_SDK_HOME/include -I$COMPATH/include"
         if test -d "$WINDOWS_SDK_HOME/include/um"; then
             SOLARINC="$SOLARINC -I$WINDOWS_SDK_HOME/include/um -I$WINDOWS_SDK_HOME/include/shared"
+        elif test -d "$WINDOWS_SDK_HOME/Include/$winsdklibsubdir/um"; then
+            SOLARINC="$SOLARINC -I$WINDOWS_SDK_HOME/Include/$winsdklibsubdir/um -I$WINDOWS_SDK_HOME/Include/$winsdklibsubdir/shared"
         fi
     fi
 
@@ -12445,21 +12516,35 @@ if test "$build_os" = "cygwin"; then
         ILIB1="$ILIB1 -LIBPATH:$COMPATH/lib/amd64"
         ILIB="$ILIB;$WINDOWS_SDK_HOME/lib/x64"
         ILIB1="$ILIB1 -LIBPATH:$WINDOWS_SDK_HOME/lib/x64"
-        if test $WINDOWS_SDK_VERSION = 80 -o $WINDOWS_SDK_VERSION = 81; then
+        if test $WINDOWS_SDK_VERSION = 80 -o $WINDOWS_SDK_VERSION = 81 -o $WINDOWS_SDK_VERSION = 10; then
             ILIB="$ILIB;$WINDOWS_SDK_HOME/lib/$winsdklibsubdir/um/x64"
             ILIB1="$ILIB1 -LIBPATH:$WINDOWS_SDK_HOME/lib/$winsdklibsubdir/um/x64"
         fi
+        if test $VCVER = 140; then
+            PathFormat "$ucrttest"
+            ucrtlibpath_formatted="$formatted_path/lib/$ucrtdir/ucrt/x64"
+            ILIB="$ILIB;$ucrtlibpath_formatted"
+        fi
     else
         ILIB="$ILIB;$COMPATH/lib"
         ILIB1="$ILIB1 -LIBPATH:$COMPATH/lib"
         ILIB="$ILIB;$WINDOWS_SDK_HOME/lib"
         ILIB1="$ILIB1 -LIBPATH:$WINDOWS_SDK_HOME/lib"
-        if test $WINDOWS_SDK_VERSION = 80 -o $WINDOWS_SDK_VERSION = 81; then
+        if test $WINDOWS_SDK_VERSION = 80 -o $WINDOWS_SDK_VERSION = 81 -o $WINDOWS_SDK_VERSION = 10; then
             ILIB="$ILIB;$WINDOWS_SDK_HOME/lib/$winsdklibsubdir/um/x86"
             ILIB1="$ILIB1 -LIBPATH:$WINDOWS_SDK_HOME/lib/$winsdklibsubdir/um/x86"
         fi
+        if test $VCVER = 140; then
+            PathFormat "$ucrttest"
+            ucrtlibpath_formatted="$formatted_path/lib/$ucrtdir/ucrt/x86"
+            ILIB="$ILIB;$ucrtlibpath_formatted"
+        fi
+    fi
+    if test -f "$DOTNET_FRAMEWORK_HOME/lib/mscoree.lib"; then
+        ILIB="$ILIB;$DOTNET_FRAMEWORK_HOME/lib"
+    else
+        ILIB="$ILIB;$DOTNET_FRAMEWORK_HOME/Lib/um/$WINDOWS_SDK_ARCH"
     fi
-    ILIB="$ILIB;$DOTNET_FRAMEWORK_HOME/lib"
 
     AC_SUBST(ILIB)
 fi