Appveyor Windows testing changes

- Update jdk1.8->1.15 for x64 testing
- Add Visual Studio 2017 (vc++ 15) testing
- Add Visual Studio 2019 (vc++ 16) testing
- Add python-3.7 and python-3.8 testing

appveyor.yml

@@ -16,10 +16,16 @@ environment:
   - SWIGLANG: python
     VSVER: 14
     VER: 27
-# - SWIGLANG: python
-#   VSVER: 14
-#   VER: 36
-#   PY3: 3
+  - SWIGLANG: python
+    VSVER: 15
+    VER: 38
+    PY3: 3
+    APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+  - SWIGLANG: python
+    VSVER: 16
+    VER: 39
+    PY3: 3
+    APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
   - SWIGLANG: python
     OSVARIANT: cygwin
   - SWIGLANG: java
@@ -56,7 +62,7 @@ install:
       $env:VSARCH=""
     } else {
       $env:PCRE_PLATFORM="x64"
-      $env:JAVA_HOME="C:/Program Files/Java/jdk1.8.0"
+      $env:JAVA_HOME="C:/Program Files/Java/jdk15"
       $env:VCVARS_PLATFORM="amd64"
       $env:LANG_PLATFORM="-x64"
       $env:CYGWINBIN="C:\cygwin64\bin"
@@ -71,9 +77,20 @@ install:
     if (!$env:OSVARIANT) {
       $env:PATH="$env:CYGWINBIN;$env:PATH"
       $env:CYGWIN="nodosfilewarning"
-      $env:VSCOMNTOOLS=(Get-Content ("env:VS" + "$env:VSVER" + "0COMNTOOLS"))
       $env:CC="cccl"
       $env:CXX="cccl"
+      if ($env:VSVER -ge 16) {
+        $env:VCVARSBAT="C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvars$env:MBITS.bat"
+        $env:BOOSTROOT="C:/Libraries/boost_1_73_0"
+      } elseif ($env:VSVER -eq 15) {
+        $env:VCVARSBAT="C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars$env:MBITS.bat"
+        $env:BOOSTROOT="C:/Libraries/boost_1_69_0"
+      } else {
+        $env:VSCOMNTOOLS=(Get-Content ("env:VS" + "$env:VSVER" + "0COMNTOOLS"))
+        $env:VCVARSBAT="$env:VSCOMNTOOLS..\..\VC\vcvarsall.bat"
+        $env:VCVARSARG="$env:VCVARS_PLATFORM"
+        $env:BOOSTROOT="C:/Libraries/boost_1_69_0"
+      }
     } elseif ($env:OSVARIANT -eq "cygwin") {
       $env:PATH="$env:CYGWINBIN;$env:PATH"
       $env:CYGWIN="nodosfilewarning"
@@ -90,8 +107,7 @@ install:
       }
     }
 - if "%OSVARIANT%"=="" bash -c "cd /usr/bin && curl --retry 15 -s -L https://github.com/swig/cccl/archive/cccl-1.0.tar.gz | tar -xz --strip 1 cccl-cccl-1.0/cccl"
-- if "%OSVARIANT%"=="" echo Using Visual Studio %VSVER%.0 at %VSCOMNTOOLS%
-- if "%OSVARIANT%"=="" call "%VSCOMNTOOLS%\..\..\VC\vcvarsall.bat" %VCVARS_PLATFORM%
+- if "%OSVARIANT%"=="" call "%VCVARSBAT%" %VCVARSARG%
 - if "%OSVARIANT%"=="" Tools\nuget-install.cmd pcre -Verbosity quiet -Version 8.33.0.1 -OutputDirectory C:\pcre
 - if "%OSVARIANT%"=="" set PCRE_ROOT=C:/pcre/pcre.8.33.0.1/build/native
 - if not "%OSVARIANT%"=="cygwin" set PATH=C:\Python%VER%%LANG_PLATFORM%;%PATH%
@@ -119,7 +135,7 @@ build_script:
 - set CHECK_OPTIONS=CSHARPOPTIONS=-platform:%Platform%
 - if "%BUILDSYSTEM%"=="cmake" cmake --version && cmake -G "Visual Studio 14 2015%VSARCH%" -DCMAKE_INSTALL_PREFIX="%CD:\=/%/install2" -DCMAKE_C_FLAGS="/WX /DPCRE_STATIC" -DCMAKE_CXX_FLAGS="/WX /DPCRE_STATIC" -DPCRE_INCLUDE_DIR=%PCRE_ROOT%/include -DPCRE_LIBRARY=%PCRE_ROOT%/lib/v110/%PCRE_PLATFORM%/Release/static/utf8/pcre8.lib -DBISON_EXECUTABLE=C:/cygwin/bin/bison.exe . && cmake --build . --config Release --target install && ctest --output-on-failure -V -C Release && appveyor exit
   # Open dummy file descriptor to fix error on cygwin: ./configure: line 560: 0: Bad file descriptor
-- if "%OSVARIANT%"=="" bash -c "exec 0</dev/null && ./autogen.sh && time ./configure --disable-dependency-tracking --disable-ccache CC=$CC CXX=$CXX CFLAGS='-O2' CXXFLAGS='-O2' LDFLAGS='--cccl-link /LTCG' PCRE_CFLAGS='-I%PCRE_ROOT%/include -DPCRE_STATIC' PCRE_LIBS='-L%PCRE_ROOT%/lib/v110/%PCRE_PLATFORM%/Release/static/utf8 -lpcre8' --without-perl5 --without-go --with-boost=C:/Libraries/boost_1_67_0 || cat config.log"
+- if "%OSVARIANT%"=="" bash -c "exec 0</dev/null && ./autogen.sh && time ./configure --disable-dependency-tracking --disable-ccache CC=$CC CXX=$CXX CFLAGS='-O2' CXXFLAGS='-O2' LDFLAGS='--cccl-link /LTCG' PCRE_CFLAGS='-I%PCRE_ROOT%/include -DPCRE_STATIC' PCRE_LIBS='-L%PCRE_ROOT%/lib/v110/%PCRE_PLATFORM%/Release/static/utf8 -lpcre8' --without-perl5 --without-go --with-boost=%BOOSTROOT% || cat config.log"
 - if not "%OSVARIANT%"=="" bash -c "exec 0</dev/null && ./autogen.sh && time ./configure CC=%CC% CXX=%CXX% --without-alllang --with-$SWIGLANG$PY3$SWIGWITHLANG --enable-cpp11-testing || cat config.log"
 - bash -c "time make -s -j%MAKEJOBS%"