diff --git a/Maintenance/infrastructure/gauguin.geometryfactory.com/autocgalrc b/Maintenance/infrastructure/gauguin.geometryfactory.com/autocgalrc
index 6a5c4927bc7..023f2d9dfa3 100755
--- a/Maintenance/infrastructure/gauguin.geometryfactory.com/autocgalrc
+++ b/Maintenance/infrastructure/gauguin.geometryfactory.com/autocgalrc
@@ -1,11 +1,12 @@
 #!/bin/sh
 
+CGAL_ROOT="/cygdrive/c/cgal/test"
+
 # Remove test results older than 5 days.
 # The pattern "../test/" after "$CGAL_ROOT" tries to protect against a
 # catastrophic `rm -rf` is "$CGAL_ROOT" happens to be empty.
-find "$CGAL_ROOT/../test" -maxdepth 1 -type d -name 'CGAL*' ! -ctime -5 -exec rm -rf '{}' \;
+find "$CGAL_ROOT/../test" -maxdepth 1 -name 'CGAL*' ! -ctime -5 -exec rm -rf '{}' \;
 
-CGAL_ROOT="/cygdrive/c/cgal/test"
 BUILD_HOSTS="localhost"
 REFERENCE_PLATFORMS_DIR="c:/cgal/reference_platforms"
 CGAL_TESTER="afabri"
diff --git a/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/setup_VC14.1-64 b/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/setup_VC14.1-64
index a897ffad392..a378baa272a 100644
--- a/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/setup_VC14.1-64
+++ b/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/setup_VC14.1-64
@@ -1,7 +1,12 @@
+declare -x CGAL_DIR="C:\\CGAL\\CGAL-4.9"
 declare -x ALLUSERSPROFILE="C:\\ProgramData"
 declare -x APPDATA="C:\\Users\\afabri\\AppData\\Roaming"
+declare -x ARCH="64"
 declare -x CGAL_DIR="C:\\CGAL\\CGAL-4.9"
 declare -x CLIENTNAME="SOSNO"
+declare -x CMAKE_GENERATOR="-GNMake Makefiles"
+declare -x CMAKE_PREFIX_PATH="C:/3rdPartyLibs/zlib-1.2.11/build_msvc2013;"
+declare -x COLLECT_DEMOS_BINARIES="y"
 declare -x COMMONPROGRAMFILES="C:\\Program Files\\Common Files"
 declare -x COMPUTERNAME="GAUGUIN"
 declare -x COMSPEC="C:\\WINDOWS\\system32\\cmd.exe"
@@ -9,6 +14,8 @@ declare -x CommandPromptType="Native"
 declare -x CommonProgramW6432="C:\\Program Files\\Common Files"
 declare -x DNX_HOME="%USERPROFILE%\\.dnx"
 declare -x DevEnvDir="C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\Common7\\IDE\\"
+declare -x DriverData="C:\\Windows\\System32\\Drivers\\DriverData"
+declare -x EIGEN3_DIR="C:/3rdPartyLibs/eigen-master-4-19-2018"
 declare -x EXECIGNORE="*.dll"
 declare -x ExtensionSdkDir="C:\\Program Files (x86)\\Microsoft SDKs\\Windows Kits\\10\\ExtensionSDKs"
 declare -x Framework40Version="v4.0"
@@ -16,21 +23,32 @@ declare -x FrameworkDIR64="C:\\WINDOWS\\Microsoft.NET\\Framework64"
 declare -x FrameworkDir="C:\\WINDOWS\\Microsoft.NET\\Framework64\\"
 declare -x FrameworkVersion="v4.0.30319"
 declare -x FrameworkVersion64="v4.0.30319"
+declare -x GMP_INC_DIR="C:\\3rdPartyLibs\\VC-64\\gmp-5.0.1_and_mpfr-3.0.0\\include"
+declare -x GMP_LIB_DIR="C:\\3rdPartyLibs\\VC-64\\gmp-5.0.1_and_mpfr-3.0.0\\lib"
 declare -x GTK_BASEPATH="C:\\Program Files (x86)\\GtkSharp\\2.12\\"
 declare -x HOME="/home/afabri"
 declare -x HOMEDRIVE="C:"
 declare -x HOMEPATH="\\Users\\afabri"
-declare -x INCLUDE="C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\VC\\Tools\\MSVC\\14.14.26428\\include;C:\\Program Files (x86)\\Windows Kits\\NETFXSDK\\4.6.1\\include\\um;C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.17134.0\\ucrt;C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.17134.0\\shared;C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.17134.0\\um;C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.17134.0\\winrt;C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.17134.0\\cppwinrt"
-declare -x LIB="C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\VC\\Tools\\MSVC\\14.14.26428\\lib\\x64;C:\\Program Files (x86)\\Windows Kits\\NETFXSDK\\4.6.1\\lib\\um\\x64;C:\\Program Files (x86)\\Windows Kits\\10\\lib\\10.0.17134.0\\ucrt\\x64;C:\\Program Files (x86)\\Windows Kits\\10\\lib\\10.0.17134.0\\um\\x64;"
-declare -x LIBPATH="C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\VC\\Tools\\MSVC\\14.14.26428\\lib\\x64;C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\VC\\Tools\\MSVC\\14.14.26428\\lib\\x86\\store\\references;C:\\Program Files (x86)\\Windows Kits\\10\\UnionMetadata\\10.0.17134.0;C:\\Program Files (x86)\\Windows Kits\\10\\References\\10.0.17134.0;C:\\WINDOWS\\Microsoft.NET\\Framework64\\v4.0.30319;"
+declare -x INCLUDE="C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\VC\\Tools\\MSVC\\14.15.26726\\include;C:\\Program Files (x86)\\Windows Kits\\NETFXSDK\\4.6.1\\include\\um;C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.17134.0\\ucrt;C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.17134.0\\shared;C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.17134.0\\um;C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.17134.0\\winrt;C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.17134.0\\cppwinrt"
+declare -x INIT_FILE="C:\\CGAL\\reference_platforms\\x64_Cygwin-Windows10_MSVC2017-Release-64bits\\init.cmake"
+declare -x LASLIB_INC_DIR="C:/3rdPartyLibs/LAStools-master/LASlib/inc"
+declare -x LASLIB_LIB_DIR="C:/3rdPartyLibs/LAStools-master/build_vs2017-64/Release"
+declare -x LIB="C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\VC\\Tools\\MSVC\\14.15.26726\\lib\\x64;C:\\Program Files (x86)\\Windows Kits\\NETFXSDK\\4.6.1\\lib\\um\\x64;C:\\Program Files (x86)\\Windows Kits\\10\\lib\\10.0.17134.0\\ucrt\\x64;C:\\Program Files (x86)\\Windows Kits\\10\\lib\\10.0.17134.0\\um\\x64;"
+declare -x LIBPATH="C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\VC\\Tools\\MSVC\\14.15.26726\\lib\\x64;C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\VC\\Tools\\MSVC\\14.15.26726\\lib\\x86\\store\\references;C:\\Program Files (x86)\\Windows Kits\\10\\UnionMetadata\\10.0.17134.0;C:\\Program Files (x86)\\Windows Kits\\10\\References\\10.0.17134.0;C:\\WINDOWS\\Microsoft.NET\\Framework64\\v4.0.30319;"
 declare -x LOCALAPPDATA="C:\\Users\\afabri\\AppData\\Local"
 declare -x LOGONSERVER="\\\\GAUGUIN"
+declare -x MAKE_CMD="nmake"
+declare -x MPFR_INC_DIR="C:\\3rdPartyLibs\\VC-64\\gmp-5.0.1_and_mpfr-3.0.0\\include"
+declare -x MPFR_LIB_DIR="C:\\3rdPartyLibs\\VC-64\\gmp-5.0.1_and_mpfr-3.0.0\\lib"
 declare -x NETFXSDKDir="C:\\Program Files (x86)\\Windows Kits\\NETFXSDK\\4.6.1\\"
 declare -x NUMBER_OF_PROCESSORS="8"
+declare -x OLDPWD="/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional"
 declare -x OS="Windows_NT"
 declare -x OneDrive="C:\\Users\\afabri\\OneDrive"
-declare -x PATH="/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/VC/Tools/MSVC/14.14.26428/bin/HostX64/x64:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/Common7/IDE/VC/VCPackages:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/Common7/IDE/CommonExtensions/Microsoft/TestWindow:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/Common7/IDE/CommonExtensions/Microsoft/TeamFoundation/Team Explorer:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/MSBuild/15.0/bin/Roslyn:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/Team Tools/Performance Tools/x64:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/Team Tools/Performance Tools:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/Shared/Common/VSPerfCollectionTools/x64:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/Shared/Common/VSPerfCollectionTools:/cygdrive/c/Program Files (x86)/Microsoft SDKs/Windows/v10.0A/bin/NETFX 4.6.1 Tools/x64:/cygdrive/c/Program Files (x86)/Windows Kits/10/bin/10.0.17134.0/x64:/cygdrive/c/Program Files (x86)/Windows Kits/10/bin/x64:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/MSBuild/15.0/bin:/cygdrive/c/WINDOWS/Microsoft.NET/Framework64/v4.0.30319:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/Common7/IDE:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/Common7/Tools:/cygdrive/c/Program Files (x86)/Intel/iCLS Client:/cygdrive/c/Program Files/Intel/iCLS Client:/cygdrive/c/WINDOWS/system32:/cygdrive/c/WINDOWS:/cygdrive/c/WINDOWS/System32/Wbem:/cygdrive/c/WINDOWS/System32/WindowsPowerShell/v1.0:/cygdrive/c/Program Files (x86)/Intel/Intel(R) Management Engine Components/DAL:/cygdrive/c/Program Files/Intel/Intel(R) Management Engine Components/DAL:/cygdrive/c/Program Files (x86)/Intel/Intel(R) Management Engine Components/IPT:/cygdrive/c/Program Files/Intel/Intel(R) Management Engine Components/IPT:/cygdrive/c/Program Files (x86)/ATI Technologies/ATI.ACE/Core-Static:/cygdrive/c/Program Files/Git/cmd:/cygdrive/c/Program Files (x86)/GtkSharp/2.12/bin:/cygdrive/c/Program Files/Microsoft SQL Server/110/Tools/Binn:/cygdrive/c/Program Files (x86)/Microsoft SDKs/TypeScript/1.0:/cygdrive/c/Program Files/Microsoft SQL Server/120/Tools/Binn:/cygdrive/c/Program Files/TortoiseGit/bin:/cygdrive/c/Program Files/Microsoft SQL Server/130/Tools/Binn:/cygdrive/c/Users/afabri/.dnx/bin:/cygdrive/c/Users/afabri/AppData/Local/Microsoft/WindowsApps:%USERPROFILE%/AppData/Local/Microsoft/WindowsApps"
+declare -x OpenCV_DIR="C:/3rdPartyLibs/opencv/build_vs2017-64"
+declare -x PATH="/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/VC/Tools/MSVC/14.15.26726/bin/HostX64/x64:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/Common7/IDE/VC/VCPackages:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/Common7/IDE/CommonExtensions/Microsoft/TestWindow:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/Common7/IDE/CommonExtensions/Microsoft/TeamFoundation/Team Explorer:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/MSBuild/15.0/bin/Roslyn:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/Team Tools/Performance Tools/x64:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/Team Tools/Performance Tools:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/Shared/Common/VSPerfCollectionTools/x64:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/Shared/Common/VSPerfCollectionTools:/cygdrive/c/Program Files (x86)/Microsoft SDKs/Windows/v10.0A/bin/NETFX 4.6.1 Tools/x64:/cygdrive/c/Program Files (x86)/Windows Kits/10/bin/10.0.17134.0/x64:/cygdrive/c/Program Files (x86)/Windows Kits/10/bin/x64:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/MSBuild/15.0/bin:/cygdrive/c/WINDOWS/Microsoft.NET/Framework64/v4.0.30319:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/Common7/IDE:/cygdrive/c/Program Files (x86)/Microsoft Visual Studio/2017/Professional/Common7/Tools:/cygdrive/c/Program Files (x86)/Intel/iCLS Client:/cygdrive/c/Program Files/Intel/iCLS Client:/cygdrive/c/WINDOWS/system32:/cygdrive/c/WINDOWS:/cygdrive/c/WINDOWS/System32/Wbem:/cygdrive/c/WINDOWS/System32/WindowsPowerShell/v1.0:/cygdrive/c/Program Files (x86)/Intel/Intel(R) Management Engine Components/DAL:/cygdrive/c/Program Files/Intel/Intel(R) Management Engine Components/DAL:/cygdrive/c/Program Files (x86)/Intel/Intel(R) Management Engine Components/IPT:/cygdrive/c/Program Files/Intel/Intel(R) Management Engine Components/IPT:/cygdrive/c/Program Files (x86)/ATI Technologies/ATI.ACE/Core-Static:/cygdrive/c/Program Files/Git/cmd:/cygdrive/c/Program Files (x86)/GtkSharp/2.12/bin:/cygdrive/c/Program Files/Microsoft SQL Server/110/Tools/Binn:/cygdrive/c/Program Files (x86)/Microsoft SDKs/TypeScript/1.0:/cygdrive/c/Program Files/Microsoft SQL Server/120/Tools/Binn:/cygdrive/c/Program Files/TortoiseGit/bin:/cygdrive/c/Program Files/Microsoft SQL Server/130/Tools/Binn:/cygdrive/c/Users/afabri/.dnx/bin:/cygdrive/c/Users/afabri/AppData/Local/Microsoft/WindowsApps:%USERPROFILE%/AppData/Local/Microsoft/WindowsApps"
 declare -x PATHEXT=".COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC"
+declare -x PLATFORM_REFERENCE="/cygdrive/c/CGAL/reference_platforms"
 declare -x PROCESSOR_ARCHITECTURE="AMD64"
 declare -x PROCESSOR_IDENTIFIER="Intel64 Family 6 Model 63 Stepping 2, GenuineIntel"
 declare -x PROCESSOR_LEVEL="6"
@@ -42,10 +60,16 @@ declare -x PUBLIC="C:\\Users\\Public"
 declare -x Platform="x64"
 declare -x ProgramData="C:\\ProgramData"
 declare -x ProgramW6432="C:\\Program Files"
+declare -x QGLVIEWERROOT="C:\\3rdPartyLibs/VC-64/libQGLViewer-2.6.2"
+declare -x QTDIR="C:/3rdPartyLibs/Qt/5.9.1/msvc2017_64"
+declare -x QT_VERSION="5.9.1"
+declare -x Qt5_DIR="C:\\3rdPartyLibs\\Qt\\5.9.1\\msvc2017_64\\lib\\cmake\\Qt5"
 declare -x SESSIONNAME="RDP-Tcp#1"
 declare -x SHLVL="1"
 declare -x SYSTEMDRIVE="C:"
 declare -x SYSTEMROOT="C:\\WINDOWS"
+declare -x TBBROOT="C:/3rdPartyLibs/tbb2018_20170919oss"
+declare -x TBB_ARCH_PLATFORM="/vc14.1"
 declare -x TEMP="/cygdrive/c/Users/afabri/AppData/Local/Temp"
 declare -x TERM="cygwin"
 declare -x TMP="/cygdrive/c/Users/afabri/AppData/Local/Temp"
@@ -57,9 +81,11 @@ declare -x USERPROFILE="C:\\Users\\afabri"
 declare -x UniversalCRTSdkDir="C:\\Program Files (x86)\\Windows Kits\\10\\"
 declare -x VCIDEInstallDir="C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\Common7\\IDE\\VC\\"
 declare -x VCINSTALLDIR="C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\VC\\"
-declare -x VCToolsInstallDir="C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\VC\\Tools\\MSVC\\14.14.26428\\"
+declare -x VCToolsInstallDir="C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\VC\\Tools\\MSVC\\14.15.26726\\"
 declare -x VCToolsRedistDir="C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\VC\\Redist\\MSVC\\14.14.26405\\"
-declare -x VCToolsVersion="14.14.26428"
+declare -x VCToolsVersion="14.15.26726"
+declare -x VC_VERSION="14.1"
+declare -x VC_VERSION_YEAR="2017"
 declare -x VS110COMNTOOLS="C:\\Program Files (x86)\\Microsoft Visual Studio 11.0\\Common7\\Tools\\"
 declare -x VS120COMNTOOLS="C:\\Program Files (x86)\\Microsoft Visual Studio 12.0\\Common7\\Tools\\"
 declare -x VS140COMNTOOLS="C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\Common7\\Tools\\"
@@ -67,8 +93,9 @@ declare -x VS150COMNTOOLS="C:\\Program Files (x86)\\Microsoft Visual Studio\\201
 declare -x VSCMD_ARG_HOST_ARCH="x64"
 declare -x VSCMD_ARG_TGT_ARCH="x64"
 declare -x VSCMD_ARG_app_plat="Desktop"
-declare -x VSCMD_VER="15.7.3"
+declare -x VSCMD_VER="15.8.6"
 declare -x VSINSTALLDIR="C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Professional\\"
+declare -x VTK_DIR="C:/3rdPartyLibs/VTK-8.0.1/build_vs2017-64"
 declare -x VisualStudioVersion="15.0"
 declare -x WINDIR="C:\\WINDOWS"
 declare -x WindowsLibPath="C:\\Program Files (x86)\\Windows Kits\\10\\UnionMetadata\\10.0.17134.0;C:\\Program Files (x86)\\Windows Kits\\10\\References\\10.0.17134.0"
@@ -79,6 +106,7 @@ declare -x WindowsSDK_ExecutablePath_x86="C:\\Program Files (x86)\\Microsoft SDK
 declare -x WindowsSdkBinPath="C:\\Program Files (x86)\\Windows Kits\\10\\bin\\"
 declare -x WindowsSdkDir="C:\\Program Files (x86)\\Windows Kits\\10\\"
 declare -x WindowsSdkVerBinPath="C:\\Program Files (x86)\\Windows Kits\\10\\bin\\10.0.17134.0\\"
+declare -x ZLIB_ROOT="C:/3rdPartyLibs/zlib-1.2.11/build_msvc2013"
 declare -x __DOTNET_ADD_64BIT="1"
 declare -x __DOTNET_PREFERRED_BITNESS="64"
 declare -x __VSCMD_PREINIT_PATH="C:\\Program Files (x86)\\Intel\\iCLS Client\\;C:\\Program Files\\Intel\\iCLS Client\\;C:\\WINDOWS\\system32;C:\\WINDOWS;C:\\WINDOWS\\System32\\Wbem;C:\\WINDOWS\\System32\\WindowsPowerShell\\v1.0\\;C:\\Program Files (x86)\\Intel\\Intel(R) Management Engine Components\\DAL;C:\\Program Files\\Intel\\Intel(R) Management Engine Components\\DAL;C:\\Program Files (x86)\\Intel\\Intel(R) Management Engine Components\\IPT;C:\\Program Files\\Intel\\Intel(R) Management Engine Components\\IPT;c:\\Program Files (x86)\\ATI Technologies\\ATI.ACE\\Core-Static;C:\\Program Files\\Git\\cmd;C:\\Program Files (x86)\\GtkSharp\\2.12\\bin;C:\\Program Files\\Microsoft SQL Server\\110\\Tools\\Binn\\;C:\\Program Files (x86)\\Microsoft SDKs\\TypeScript\\1.0\\;C:\\Program Files\\Microsoft SQL Server\\120\\Tools\\Binn\\;C:\\Program Files\\TortoiseGit\\bin;C:\\Program Files\\Microsoft SQL Server\\130\\Tools\\Binn\\;C:\\Users\\afabri\\.dnx\\bin;C:\\Users\\afabri\\AppData\\Local\\Microsoft\\WindowsApps;;%USERPROFILE%\\AppData\\Local\\Microsoft\\WindowsApps"
diff --git a/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/setup_common b/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/setup_common
index 410ca7de64b..8116915571c 100644
--- a/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/setup_common
+++ b/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/setup_common
@@ -86,4 +86,5 @@ if [ -d/cygdrive/c/3rdPartyLibs/opencv/build_vs${VC_VERSION_YEAR}-${ARCH} ]; the
   export OpenCV_DIR="C:/3rdPartyLibs/opencv/build_vs${VC_VERSION_YEAR}-${ARCH}"
   export PATH="`cygpath ${OpenCV_DIR}/bin/Release`":$PATH
   export PATH="`cygpath ${OpenCV_DIR}/bin/Debug`":$PATH
+  export PATH="`cygpath ${OpenCV_DIR}/3rdparty/ffmpeg/`":$PATH
 fi
diff --git a/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/x64_Cygwin-Windows10_MSVC2017-Release-64bits/SKIPCMakeCache.txt b/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/x64_Cygwin-Windows10_MSVC2017-Release-64bits/SKIPCMakeCache.txt
new file mode 100755
index 00000000000..d45f35ab5aa
--- /dev/null
+++ b/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/x64_Cygwin-Windows10_MSVC2017-Release-64bits/SKIPCMakeCache.txt
@@ -0,0 +1,749 @@
+# This is the CMakeCache file.
+# For build in directory: c:/CGAL/reference_platforms/x64_Cygwin-Windows10_MSVC2017-Release-64bits
+# It was generated by CMake: C:/dev/CMake/bin/cmake.exe
+# You can edit this file to change values found and used by cmake.
+# If you do not want to change any of the values, simply exit the editor.
+# If you do want to change a value, simply edit, save, and exit the editor.
+# The syntax for the file is as follows:
+# KEY:TYPE=VALUE
+# KEY is the name of a variable in the cache.
+# TYPE is a hint to GUIs for the type of VALUE, DO NOT EDIT TYPE!.
+# VALUE is the current value for the KEY.
+
+########################
+# EXTERNAL cache entries
+########################
+
+//Build shared libraries
+BUILD_SHARED_LIBS:BOOL=ON
+
+//Build the testing tree.
+BUILD_TESTING:BOOL=OFF
+
+//Activate the debug messages of the script FindBoost
+Boost_DEBUG:BOOL=OFF
+
+//Path to a file.
+Boost_INCLUDE_DIR:PATH=C:/3rdPartyLibs/boost/boost_1_65_1
+
+//Value Computed by CMake
+CGAL_BINARY_DIR:STATIC=C:/CGAL/reference_platforms/x64_Cygwin-Windows10_MSVC2017-Release-64bits
+
+//Link with static Boost libraries
+CGAL_Boost_USE_STATIC_LIBS:BOOL=OFF
+
+//User-defined flags
+CGAL_CXX_FLAGS:STRING= -D_CRT_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS /fp:strict /fp:except- /wd4503 /bigobj
+
+//Set this to TRUE if you want to define or modify any of CMAKE_*_FLAGS.
+// When this is FALSE, all the CMAKE_*_FLAGS flags are overriden
+// with the values used when building the CGAL libs. For CGAL_*_flags
+// (used for ADDITIONAL flags) , there is no need to set this to
+// TRUE.
+CGAL_DONT_OVERRIDE_CMAKE_FLAGS:BOOL=TRUE
+
+//Select to allow to preconfiguration of external libraries
+CGAL_ENABLE_PRECONFIG:BOOL=ON
+
+//Enable cgal header only
+CGAL_HEADER_ONLY:BOOL=TRUE
+
+//The folder where CGAL user-side scripts will be installed, relative
+// to CMAKE_INSTALL_PREFIX
+CGAL_INSTALL_BIN_DIR:STRING=bin
+
+//The folder where CGAL CMake modules will be installed, relative
+// to CMAKE_INSTALL_PREFIX
+CGAL_INSTALL_CMAKE_DIR:STRING=lib/CGAL
+
+//The folder where CGAL documentation and license files will be
+// installed, relative to CMAKE_INSTALL_PREFIX
+CGAL_INSTALL_DOC_DIR:STRING=C:/Program Files (x86)/CGAL/share/doc/CGAL-4.9
+
+//The folder where CGAL header files will be installed, relative
+// to CMAKE_INSTALL_PREFIX
+CGAL_INSTALL_INC_DIR:STRING=include
+
+//The folder where CGAL libraries will be installed, relative to
+// CMAKE_INSTALL_PREFIX
+CGAL_INSTALL_LIB_DIR:STRING=lib
+
+//The folder where manual pages for CGAL scripts will be installed,
+// relative to CMAKE_INSTALL_PREFIX
+CGAL_INSTALL_MAN_DIR:STRING=C:/Program Files (x86)/CGAL/share/man/man1
+
+//Value Computed by CMake
+CGAL_SOURCE_DIR:STATIC=C:/CGAL/CGAL-4.9
+
+//Path to a program.
+CMAKE_AR:FILEPATH=CMAKE_AR-NOTFOUND
+
+//Build type: Release or Debug
+CMAKE_BUILD_TYPE:STRING=Release
+
+//Enable/Disable color output during build.
+CMAKE_COLOR_MAKEFILE:BOOL=ON
+
+//Semicolon separated list of supported configuration types, only
+// supports Debug, Release, MinSizeRel, and RelWithDebInfo, anything
+// else will be ignored.
+CMAKE_CONFIGURATION_TYPES:STRING=Debug;Release;MinSizeRel;RelWithDebInfo
+
+//User-defined flags
+CMAKE_CXX_FLAGS:STRING=/DWIN32 /D_WINDOWS /W3 /GR /EHsc -D_CRT_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS /fp:strict /fp:except- /wd4503 /bigobj
+
+//Flags used by the compiler during debug builds.
+CMAKE_CXX_FLAGS_DEBUG:STRING=/D_DEBUG /MDd /Ob0 /Od /RTC1
+
+//Flags used by the compiler during release builds for minimum
+// size.
+CMAKE_CXX_FLAGS_MINSIZEREL:STRING=/MD /O1 /Ob1 /DCGAL_NDEBUG
+
+//Flags used by the compiler during release builds.
+CMAKE_CXX_FLAGS_RELEASE:STRING=/MD /O2 /Ob2 /DCGAL_NDEBUG
+
+//Flags used by the compiler during release builds with debug info.
+CMAKE_CXX_FLAGS_RELWITHDEBINFO:STRING=/MD /O2 /Ob1 /DCGAL_NDEBUG
+
+//Libraries linked by default with all C++ applications.
+CMAKE_CXX_STANDARD_LIBRARIES:STRING=kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib
+
+//Flags used by the compiler during all build types.
+CMAKE_C_FLAGS:STRING=/DWIN32 /D_WINDOWS /W3
+
+//Flags used by the compiler during debug builds.
+CMAKE_C_FLAGS_DEBUG:STRING=/D_DEBUG /MDd /Ob0 /Od /RTC1
+
+//Flags used by the compiler during release builds for minimum
+// size.
+CMAKE_C_FLAGS_MINSIZEREL:STRING=/MD /O1 /Ob1 /DCGAL_NDEBUG
+
+//Flags used by the compiler during release builds.
+CMAKE_C_FLAGS_RELEASE:STRING=/MD /O2 /Ob2 /DCGAL_NDEBUG
+
+//Flags used by the compiler during release builds with debug info.
+CMAKE_C_FLAGS_RELWITHDEBINFO:STRING=/MD /O2 /Ob1 /DCGAL_NDEBUG
+
+//Libraries linked by default with all C applications.
+CMAKE_C_STANDARD_LIBRARIES:STRING=kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib
+
+//Flags used by the linker.
+CMAKE_EXE_LINKER_FLAGS:STRING=/machine:x64 /INCREMENTAL:NO /DEBUG:NONE
+
+//Flags used by the linker during debug builds.
+CMAKE_EXE_LINKER_FLAGS_DEBUG:STRING=/INCREMENTAL:NO /DEBUG:NONE
+
+//Flags used by the linker during release minsize builds.
+CMAKE_EXE_LINKER_FLAGS_MINSIZEREL:STRING=/INCREMENTAL:NO /DEBUG:NONE
+
+//Flags used by the linker during release builds.
+CMAKE_EXE_LINKER_FLAGS_RELEASE:STRING=/INCREMENTAL:NO /DEBUG:NONE
+
+//Flags used by the linker during Release with Debug Info builds.
+CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO:STRING=/INCREMENTAL:NO /DEBUG:NONE
+
+//user executables (bin)
+CMAKE_INSTALL_BINDIR:PATH=bin
+
+//read-only architecture-independent data (DATAROOTDIR)
+CMAKE_INSTALL_DATADIR:PATH=
+
+//read-only architecture-independent data root (share)
+CMAKE_INSTALL_DATAROOTDIR:PATH=share
+
+//documentation root (DATAROOTDIR/doc/PROJECT_NAME)
+CMAKE_INSTALL_DOCDIR:PATH=
+
+//C header files (include)
+CMAKE_INSTALL_INCLUDEDIR:PATH=include
+
+//info documentation (DATAROOTDIR/info)
+CMAKE_INSTALL_INFODIR:PATH=
+
+//object code libraries (lib)
+CMAKE_INSTALL_LIBDIR:PATH=lib
+
+//program executables (libexec)
+CMAKE_INSTALL_LIBEXECDIR:PATH=libexec
+
+//locale-dependent data (DATAROOTDIR/locale)
+CMAKE_INSTALL_LOCALEDIR:PATH=
+
+//modifiable single-machine data (var)
+CMAKE_INSTALL_LOCALSTATEDIR:PATH=var
+
+//man documentation (DATAROOTDIR/man)
+CMAKE_INSTALL_MANDIR:PATH=
+
+//C header files for non-gcc (/usr/include)
+CMAKE_INSTALL_OLDINCLUDEDIR:PATH=/usr/include
+
+//Install path prefix, prepended onto install directories.
+CMAKE_INSTALL_PREFIX:PATH=C:/Program Files (x86)/CGAL
+
+//Run-time variable data (LOCALSTATEDIR/run)
+CMAKE_INSTALL_RUNSTATEDIR:PATH=
+
+//system admin executables (sbin)
+CMAKE_INSTALL_SBINDIR:PATH=sbin
+
+//modifiable architecture-independent data (com)
+CMAKE_INSTALL_SHAREDSTATEDIR:PATH=com
+
+//read-only single-machine data (etc)
+CMAKE_INSTALL_SYSCONFDIR:PATH=etc
+
+//Path to a program.
+CMAKE_LINKER:FILEPATH=C:/Program Files (x86)/Microsoft Visual Studio/2017/Professional/VC/Tools/MSVC/14.11.25503/bin/HostX86/x64/link.exe
+
+//Flags used by the linker during the creation of modules.
+CMAKE_MODULE_LINKER_FLAGS:STRING=/machine:x64 /debug:NONE /INCREMENTAL:NO
+
+//Flags used by the linker during debug builds.
+CMAKE_MODULE_LINKER_FLAGS_DEBUG:STRING=
+
+//Flags used by the linker during release minsize builds.
+CMAKE_MODULE_LINKER_FLAGS_MINSIZEREL:STRING=
+
+//Flags used by the linker during release builds.
+CMAKE_MODULE_LINKER_FLAGS_RELEASE:STRING=
+
+//Flags used by the linker during Release with Debug Info builds.
+CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO:STRING=
+
+//Value Computed by CMake
+CMAKE_PROJECT_NAME:STATIC=CGAL
+
+//RC compiler
+CMAKE_RC_COMPILER:FILEPATH=rc
+
+//Flags for Windows Resource Compiler.
+CMAKE_RC_FLAGS:STRING=/DWIN32
+
+//Flags for Windows Resource Compiler during debug builds.
+CMAKE_RC_FLAGS_DEBUG:STRING=/D_DEBUG
+
+//Flags for Windows Resource Compiler during release builds for
+// minimum size.
+CMAKE_RC_FLAGS_MINSIZEREL:STRING=
+
+//Flags for Windows Resource Compiler during release builds.
+CMAKE_RC_FLAGS_RELEASE:STRING=
+
+//Flags for Windows Resource Compiler during release builds with
+// debug info.
+CMAKE_RC_FLAGS_RELWITHDEBINFO:STRING=
+
+//Flags used by the linker during the creation of dll's.
+CMAKE_SHARED_LINKER_FLAGS:STRING=/machine:x64 /debug:NONE /INCREMENTAL:NO
+
+//Flags used by the linker during debug builds.
+CMAKE_SHARED_LINKER_FLAGS_DEBUG:STRING=
+
+//Flags used by the linker during release minsize builds.
+CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL:STRING=
+
+//Flags used by the linker during release builds.
+CMAKE_SHARED_LINKER_FLAGS_RELEASE:STRING=
+
+//Flags used by the linker during Release with Debug Info builds.
+CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO:STRING=
+
+//If set, runtime paths are not added when installing shared libraries,
+// but are added when building.
+CMAKE_SKIP_INSTALL_RPATH:BOOL=OFF
+
+//If set, runtime paths are not added when using shared libraries.
+CMAKE_SKIP_RPATH:BOOL=OFF
+
+//Flags used by the linker during the creation of static libraries.
+CMAKE_STATIC_LINKER_FLAGS:STRING=/machine:x64 /debug:NONE /INCREMENTAL:NO
+
+//Flags used by the linker during debug builds.
+CMAKE_STATIC_LINKER_FLAGS_DEBUG:STRING=
+
+//Flags used by the linker during release minsize builds.
+CMAKE_STATIC_LINKER_FLAGS_MINSIZEREL:STRING=
+
+//Flags used by the linker during release builds.
+CMAKE_STATIC_LINKER_FLAGS_RELEASE:STRING=
+
+//Flags used by the linker during Release with Debug Info builds.
+CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO:STRING=
+
+//If this value is on, makefiles will be generated without the
+// .SILENT directive, and all commands will be echoed to the console
+// during the make.  This is useful for debugging only. With Visual
+// Studio IDE projects all commands are done without /nologo.
+CMAKE_VERBOSE_MAKEFILE:BOOL=OFF
+
+//The directory containing the ESBTL header files WITHOUT the ESBTL
+// prefix
+ESBTL_INCLUDE_DIR:PATH=C:/3rdPartyLibs/esbtl/include
+
+//The directory containing the GMP header files
+GMP_INCLUDE_DIR:PATH=C:/3rdPartyLibs/VC-64/gmp-5.0.1_and_mpfr-3.0.0/include
+
+//Path to the GMP library
+GMP_LIBRARIES:FILEPATH=C:/3rdPartyLibs/VC-64/gmp-5.0.1_and_mpfr-3.0.0/lib/libgmp-10.lib
+
+GMP_LIBRARIES_DIR:FILEPATH=C:/3rdPartyLibs/VC-64/gmp-5.0.1_and_mpfr-3.0.0/lib
+
+//The directory containing the MPFR header files
+MPFR_INCLUDE_DIR:PATH=C:/3rdPartyLibs/VC-64/gmp-5.0.1_and_mpfr-3.0.0/include
+
+//Path to the MPFR library
+MPFR_LIBRARIES:FILEPATH=C:/3rdPartyLibs/VC-64/gmp-5.0.1_and_mpfr-3.0.0/lib/libmpfr-4.lib
+
+MPFR_LIBRARIES_DIR:FILEPATH=C:/3rdPartyLibs/VC-64/gmp-5.0.1_and_mpfr-3.0.0/lib
+
+//OpenGL library for win32
+OPENGL_gl_LIBRARY:STRING=opengl32
+
+//GLU library for win32
+OPENGL_glu_LIBRARY:STRING=glu32
+
+//The directory containing a CMake configuration file for Qt5Core.
+Qt5Core_DIR:PATH=C:/3rdPartyLibs/Qt/5.9.1/msvc2017_64/lib/cmake/Qt5Core
+
+//The directory containing a CMake configuration file for Qt5Gui.
+Qt5Gui_DIR:PATH=C:/3rdPartyLibs/Qt/5.9.1/msvc2017_64/lib/cmake/Qt5Gui
+
+//The directory containing a CMake configuration file for Qt5OpenGL.
+Qt5OpenGL_DIR:PATH=C:/3rdPartyLibs/Qt/5.9.1/msvc2017_64/lib/cmake/Qt5OpenGL
+
+//The directory containing a CMake configuration file for Qt5Svg.
+Qt5Svg_DIR:PATH=C:/3rdPartyLibs/Qt/5.9.1/msvc2017_64/lib/cmake/Qt5Svg
+
+//The directory containing a CMake configuration file for Qt5Widgets.
+Qt5Widgets_DIR:PATH=C:/3rdPartyLibs/Qt/5.9.1/msvc2017_64/lib/cmake/Qt5Widgets
+
+//The directory containing a CMake configuration file for Qt5.
+Qt5_DIR:PATH=C:/3rdPartyLibs/Qt/5.9.1/msvc2017_64/lib/cmake/Qt5
+
+//Select external library BLAS
+WITH_BLAS:BOOL=OFF
+
+//Enable CGAL component CGAL_Core
+WITH_CGAL_Core:BOOL=ON
+
+//Enable CGAL component CGAL_ImageIO
+WITH_CGAL_ImageIO:BOOL=ON
+
+//Enable CGAL component CGAL_Qt5
+WITH_CGAL_Qt5:BOOL=ON
+
+//Select external library Coin3D
+WITH_Coin3D:BOOL=OFF
+
+//Select external library ESBTL
+WITH_ESBTL:BOOL=ON
+
+//Select external library Eigen3
+WITH_Eigen3:BOOL=OFF
+
+//Select external library GMP
+WITH_GMP:BOOL=ON
+
+//Select external library IPE
+WITH_IPE:BOOL=OFF
+
+//Select external library LAPACK
+WITH_LAPACK:BOOL=OFF
+
+//Select external library LEDA
+WITH_LEDA:BOOL=OFF
+
+//Select external library MPFI
+WITH_MPFI:BOOL=OFF
+
+//Select external library MPFR
+WITH_MPFR:BOOL=ON
+
+//Select external library NTL
+WITH_NTL:BOOL=OFF
+
+//Select external library OpenGL
+WITH_OpenGL:BOOL=OFF
+
+//Select external library OpenNL
+WITH_OpenNL:BOOL=OFF
+
+//Select external library QGLViewer
+WITH_QGLViewer:BOOL=OFF
+
+//Select external library RS
+WITH_RS:BOOL=OFF
+
+//Select external library RS3
+WITH_RS3:BOOL=OFF
+
+//Select external library ZLIB
+WITH_ZLIB:BOOL=ON
+
+//Select demos
+WITH_demos:BOOL=OFF
+
+//Select examples
+WITH_examples:BOOL=OFF
+
+//Path to a file.
+ZLIB_INCLUDE_DIR:PATH=C:/3rdPartyLibs/zlib-1.2.11/build_msvc2013/include
+
+//Path to a library.
+ZLIB_LIBRARY_DEBUG:FILEPATH=C:/3rdPartyLibs/zlib-1.2.11/build_msvc2013/lib/zlib.lib
+
+//Path to a library.
+ZLIB_LIBRARY_RELEASE:FILEPATH=C:/3rdPartyLibs/zlib-1.2.11/build_msvc2013/lib/zlib.lib
+
+
+########################
+# INTERNAL cache entries
+########################
+
+//ADVANCED property for variable: Boost_DEBUG
+Boost_DEBUG-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: Boost_INCLUDE_DIR
+Boost_INCLUDE_DIR-ADVANCED:INTERNAL=1
+//Avoid future search of boost-cmake
+Boost_NO_BOOST_CMAKE:INTERNAL=TRUE
+CGAL_3RD_PARTY_DEFINITIONS:INTERNAL=-DBOOST_ALL_DYN_LINK
+CGAL_3RD_PARTY_INCLUDE_DIRS:INTERNAL=C:/3rdPartyLibs/boost/boost_1_65_1
+CGAL_3RD_PARTY_LIBRARIES:INTERNAL=
+CGAL_3RD_PARTY_LIBRARIES_DIRS:INTERNAL=
+CGAL_3RD_PARTY_PRECONFIGURED:INTERNAL=
+//ADVANCED property for variable: CGAL_Boost_USE_STATIC_LIBS
+CGAL_Boost_USE_STATIC_LIBS-ADVANCED:INTERNAL=1
+//Test CGAL_CFG_DENORMALS_COMPILE_BUG
+CGAL_CFG_DENORMALS_COMPILE_BUG:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_DENORMALS_COMPILE_BUG_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_FPU_ROUNDING_MODE_UNWINDING_VC_BUG
+CGAL_CFG_FPU_ROUNDING_MODE_UNWINDING_VC_BUG:INTERNAL=
+//Result of TRY_COMPILE
+CGAL_CFG_FPU_ROUNDING_MODE_UNWINDING_VC_BUG_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_IEEE_754_BUG
+CGAL_CFG_IEEE_754_BUG:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_IEEE_754_BUG_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_ISTREAM_INT_BUG
+CGAL_CFG_ISTREAM_INT_BUG:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_ISTREAM_INT_BUG_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_MATCHING_BUG_5
+CGAL_CFG_MATCHING_BUG_5:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_MATCHING_BUG_5_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_MATCHING_BUG_6
+CGAL_CFG_MATCHING_BUG_6:INTERNAL=
+//Result of TRY_COMPILE
+CGAL_CFG_MATCHING_BUG_6_COMPILED:INTERNAL=FALSE
+//Test CGAL_CFG_MATCHING_BUG_7
+CGAL_CFG_MATCHING_BUG_7:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_MATCHING_BUG_7_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_MATCHING_BUG_8
+CGAL_CFG_MATCHING_BUG_8:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_MATCHING_BUG_8_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_NESTED_CLASS_FRIEND_DECLARATION_BUG
+CGAL_CFG_NESTED_CLASS_FRIEND_DECLARATION_BUG:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_NESTED_CLASS_FRIEND_DECLARATION_BUG_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_NO_LIMITS
+CGAL_CFG_NO_LIMITS:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_NO_LIMITS_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_NO_NEXTAFTER
+CGAL_CFG_NO_NEXTAFTER:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_NO_NEXTAFTER_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_NO_STL
+CGAL_CFG_NO_STL:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_NO_STL_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_NUMERIC_LIMITS_BUG
+CGAL_CFG_NUMERIC_LIMITS_BUG:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_NUMERIC_LIMITS_BUG_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_OUTOFLINE_MEMBER_DEFINITION_BUG
+CGAL_CFG_OUTOFLINE_MEMBER_DEFINITION_BUG:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_OUTOFLINE_MEMBER_DEFINITION_BUG_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_TEMPLATE_IN_DEFAULT_PARAMETER_BUG
+CGAL_CFG_TEMPLATE_IN_DEFAULT_PARAMETER_BUG:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_TEMPLATE_IN_DEFAULT_PARAMETER_BUG_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_TYPENAME_BEFORE_DEFAULT_ARGUMENT_BUG
+CGAL_CFG_TYPENAME_BEFORE_DEFAULT_ARGUMENT_BUG:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_TYPENAME_BEFORE_DEFAULT_ARGUMENT_BUG_COMPILED:INTERNAL=TRUE
+//Test CGAL_CFG_USING_BASE_MEMBER_BUG_2
+CGAL_CFG_USING_BASE_MEMBER_BUG_2:INTERNAL=1
+//Result of TRY_COMPILE
+CGAL_CFG_USING_BASE_MEMBER_BUG_2_COMPILED:INTERNAL=TRUE
+CGAL_CONFIGURED_LIBRARIES:INTERNAL=CGAL_Core;CGAL_ImageIO;CGAL_Qt5
+//Directory containing the Core package
+CGAL_CORE_PACKAGE_DIR:INTERNAL=C:/CGAL/CGAL-4.9
+CGAL_Core_3RD_PARTY_DEFINITIONS:INTERNAL=
+CGAL_Core_3RD_PARTY_INCLUDE_DIRS:INTERNAL=
+CGAL_Core_3RD_PARTY_LIBRARIES:INTERNAL=
+CGAL_Core_3RD_PARTY_LIBRARIES_DIRS:INTERNAL=
+CGAL_Core_LIBRARY:INTERNAL=
+//Variable hidden from user
+CGAL_ESSENTIAL_3RD_PARTY_LIBRARIES:INTERNAL=GMP;MPFR
+CGAL_EXECUTABLE_TARGETS:INTERNAL=
+//Variable hidden from user
+CGAL_EXT_LIB_BLAS_PREFIX:INTERNAL=BLAS
+//Variable hidden from user
+CGAL_EXT_LIB_Coin3D_PREFIX:INTERNAL=COIN3D
+//Variable hidden from user
+CGAL_EXT_LIB_ESBTL_PREFIX:INTERNAL=ESBTL
+//Variable hidden from user
+CGAL_EXT_LIB_Eigen3_PREFIX:INTERNAL=EIGEN3
+//Variable hidden from user
+CGAL_EXT_LIB_GMP_PREFIX:INTERNAL=GMP
+//Variable hidden from user
+CGAL_EXT_LIB_IPE_PREFIX:INTERNAL=IPE
+//Variable hidden from user
+CGAL_EXT_LIB_LAPACK_PREFIX:INTERNAL=LAPACK
+//Variable hidden from user
+CGAL_EXT_LIB_LEDA_PREFIX:INTERNAL=LEDA
+//Variable hidden from user
+CGAL_EXT_LIB_MPFI_PREFIX:INTERNAL=MPFI
+//Variable hidden from user
+CGAL_EXT_LIB_MPFR_PREFIX:INTERNAL=MPFR
+//Variable hidden from user
+CGAL_EXT_LIB_NTL_PREFIX:INTERNAL=NTL
+//Variable hidden from user
+CGAL_EXT_LIB_OpenGL_PREFIX:INTERNAL=OpenGL
+//Variable hidden from user
+CGAL_EXT_LIB_OpenNL_PREFIX:INTERNAL=OpenNL
+//Variable hidden from user
+CGAL_EXT_LIB_QGLViewer_PREFIX:INTERNAL=QGLVIEWER
+//Variable hidden from user
+CGAL_EXT_LIB_RS3_PREFIX:INTERNAL=RS3
+//Variable hidden from user
+CGAL_EXT_LIB_RS_PREFIX:INTERNAL=RS
+//Variable hidden from user
+CGAL_EXT_LIB_ZLIB_PREFIX:INTERNAL=ZLIB
+//Directory containing the GraphicsView package
+CGAL_GRAPHICSVIEW_PACKAGE_DIR:INTERNAL=C:/CGAL/CGAL-4.9
+//Directory containing the Installation package
+CGAL_INSTALLATION_PACKAGE_DIR:INTERNAL=C:/CGAL/CGAL-4.9
+CGAL_ImageIO_3RD_PARTY_DEFINITIONS:INTERNAL=-DCGAL_USE_ZLIB
+CGAL_ImageIO_3RD_PARTY_INCLUDE_DIRS:INTERNAL=C:/3rdPartyLibs/zlib-1.2.11/build_msvc2013/include;C:/CGAL/CGAL-4.9/src/CGAL_ImageIO
+CGAL_ImageIO_3RD_PARTY_LIBRARIES:INTERNAL=C:/3rdPartyLibs/zlib-1.2.11/build_msvc2013/lib/zlib.lib
+CGAL_ImageIO_3RD_PARTY_LIBRARIES_DIRS:INTERNAL=
+CGAL_ImageIO_LIBRARY:INTERNAL=
+CGAL_ImageIO_USE_ZLIB:INTERNAL=ON
+//Directory containing the Maintenance package
+CGAL_MAINTENANCE_PACKAGE_DIR:INTERNAL=C:/CGAL/CGAL-4.9
+CGAL_Qt5_3RD_PARTY_DEFINITIONS:INTERNAL=
+CGAL_Qt5_3RD_PARTY_INCLUDE_DIRS:INTERNAL=
+CGAL_Qt5_3RD_PARTY_LIBRARIES:INTERNAL=Qt5::OpenGL;Qt5::Svg
+CGAL_Qt5_3RD_PARTY_LIBRARIES_DIRS:INTERNAL=
+CGAL_Qt5_LIBRARY:INTERNAL=
+//Variable hidden from user
+CGAL_SUPPORTING_3RD_PARTY_LIBRARIES:INTERNAL=GMP;MPFR;ZLIB;OpenGL;LEDA;MPFI;RS;RS3;OpenNL;Eigen3;BLAS;LAPACK;QGLViewer;ESBTL;Coin3D;NTL;IPE
+//This is the cygwin platform.
+CGAL_WIN32_CMAKE_ON_CYGWIN:INTERNAL=TRUE
+//This is the directory where this CMakeCache.txt was created
+CMAKE_CACHEFILE_DIR:INTERNAL=c:/CGAL/reference_platforms/x64_Cygwin-Windows10_MSVC2017-Release-64bits
+//Major version of cmake used to create the current loaded cache
+CMAKE_CACHE_MAJOR_VERSION:INTERNAL=3
+//Minor version of cmake used to create the current loaded cache
+CMAKE_CACHE_MINOR_VERSION:INTERNAL=9
+//Patch version of cmake used to create the current loaded cache
+CMAKE_CACHE_PATCH_VERSION:INTERNAL=3
+//Path to CMake executable.
+CMAKE_COMMAND:INTERNAL=C:/dev/CMake/bin/cmake.exe
+//Path to cpack program executable.
+CMAKE_CPACK_COMMAND:INTERNAL=C:/dev/CMake/bin/cpack.exe
+//Path to ctest program executable.
+CMAKE_CTEST_COMMAND:INTERNAL=C:/dev/CMake/bin/ctest.exe
+//ADVANCED property for variable: CMAKE_CXX_FLAGS
+CMAKE_CXX_FLAGS-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: CMAKE_CXX_FLAGS_DEBUG
+CMAKE_CXX_FLAGS_DEBUG-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: CMAKE_CXX_FLAGS_MINSIZEREL
+CMAKE_CXX_FLAGS_MINSIZEREL-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: CMAKE_CXX_FLAGS_RELEASE
+CMAKE_CXX_FLAGS_RELEASE-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: CMAKE_CXX_FLAGS_RELWITHDEBINFO
+CMAKE_CXX_FLAGS_RELWITHDEBINFO-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: CMAKE_CXX_STANDARD_LIBRARIES
+CMAKE_CXX_STANDARD_LIBRARIES-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: CMAKE_C_FLAGS
+CMAKE_C_FLAGS-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: CMAKE_C_FLAGS_DEBUG
+CMAKE_C_FLAGS_DEBUG-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: CMAKE_C_FLAGS_MINSIZEREL
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+//ADVANCED property for variable: CMAKE_C_FLAGS_RELEASE
+CMAKE_C_FLAGS_RELEASE-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: CMAKE_C_FLAGS_RELWITHDEBINFO
+CMAKE_C_FLAGS_RELWITHDEBINFO-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: CMAKE_C_STANDARD_LIBRARIES
+CMAKE_C_STANDARD_LIBRARIES-ADVANCED:INTERNAL=1
+//Executable file format
+CMAKE_EXECUTABLE_FORMAT:INTERNAL=Unknown
+//ADVANCED property for variable: CMAKE_EXE_LINKER_FLAGS
+CMAKE_EXE_LINKER_FLAGS-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: CMAKE_EXE_LINKER_FLAGS_DEBUG
+CMAKE_EXE_LINKER_FLAGS_DEBUG-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: CMAKE_EXE_LINKER_FLAGS_MINSIZEREL
+CMAKE_EXE_LINKER_FLAGS_MINSIZEREL-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: CMAKE_EXE_LINKER_FLAGS_RELEASE
+CMAKE_EXE_LINKER_FLAGS_RELEASE-ADVANCED:INTERNAL=1
+//ADVANCED property for variable: CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO
+CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO-ADVANCED:INTERNAL=1
+//Name of external makefile project generator.
+CMAKE_EXTRA_GENERATOR:INTERNAL=
+//Name of generator.
+CMAKE_GENERATOR:INTERNAL=Visual Studio 15 2017 Win64
+//Name of generator platform.
+CMAKE_GENERATOR_PLATFORM:INTERNAL=
+//Name of generator toolset.
+CMAKE_GENERATOR_TOOLSET:INTERNAL=
+//Source directory with the top level CMakeLists.txt file for this
+// project
+CMAKE_HOME_DIRECTORY:INTERNAL=C:/CGAL/CGAL-4.9
+//ADVANCED property for variable: CMAKE_INSTALL_BINDIR
+CMAKE_INSTALL_BINDIR-ADVANCED:INTERNAL=1
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+CMAKE_INSTALL_DOCDIR-ADVANCED:INTERNAL=1
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+//Details about finding MPFR
+FIND_PACKAGE_MESSAGE_DETAILS_MPFR:INTERNAL=[C:/3rdPartyLibs/VC-64/gmp-5.0.1_and_mpfr-3.0.0/lib/libmpfr-4.lib][C:/3rdPartyLibs/VC-64/gmp-5.0.1_and_mpfr-3.0.0/include][v()]
+//Details about finding ZLIB
+FIND_PACKAGE_MESSAGE_DETAILS_ZLIB:INTERNAL=[C:/3rdPartyLibs/zlib-1.2.11/build_msvc2013/lib/zlib.lib][C:/3rdPartyLibs/zlib-1.2.11/build_msvc2013/include][v1.2.11()]
+//Result of TRY_COMPILE
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+//Result of TRY_RUN
+GMP_RUN_RES:INTERNAL=0
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+HAS_CFG_INTDIR:INTERNAL=TRUE
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+_Boost_ADDITIONAL_VERSIONS_LAST:INTERNAL=1.69.1;1.69.0;1.69;1.68.1;1.68.0;1.68;1.67.1;1.67.0;1.67;1.66.1;1.66.0;1.66;1.65.1;1.65.0;1.65;1.64.1;1.64.0;1.64;1.63.1;1.63.0;1.63;1.62.1;1.62.0;1.62;1.61.1;1.61.0;1.61;1.60.1;1.60.0;1.60;1.59.1;1.59.0;1.59;1.58.1;1.58.0;1.58;1.57.1;1.57.0;1.57;1.56.1;1.56.0;1.56;1.55.1;1.55.0;1.55;1.54.1;1.54.0;1.54;1.53.1;1.53.0;1.53;1.52.1;1.52.0;1.52;1.51.1;1.51.0;1.51;1.50.1;1.50.0;1.50;1.49.1;1.49.0;1.49;1.48.1;1.48.0;1.48;1.47.1;1.47.0;1.47;1.46.1;1.46.0;1.46;1.45.1;1.45.0;1.45;1.44.1;1.44.0;1.44;1.43.1;1.43.0;1.43;1.42.1;1.42.0;1.42;1.41.1;1.41.0;1.41;1.40.1;1.40.0;1.40;1.39.1;1.39.0;1.39;1.38.1;1.38.0;1.38;1.37.1;1.37.0;1.37
+//Components requested for this build tree.
+_Boost_COMPONENTS_SEARCHED:INTERNAL=
+//Last used Boost_INCLUDE_DIR value.
+_Boost_INCLUDE_DIR_LAST:INTERNAL=C:/3rdPartyLibs/boost/boost_1_65_1
+//Last used Boost_NAMESPACE value.
+_Boost_NAMESPACE_LAST:INTERNAL=boost
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+//Last used Boost_USE_STATIC_LIBS value.
+_Boost_USE_STATIC_LIBS_LAST:INTERNAL=OFF
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+_GNUInstallDirs_LAST_CMAKE_INSTALL_PREFIX:INTERNAL=C:/Program Files (x86)/CGAL
+
diff --git a/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/x64_Cygwin-Windows10_MSVC2017-Release-64bits/setup b/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/x64_Cygwin-Windows10_MSVC2017-Release-64bits/setup
index ee9a3a671b9..2a8e2065c88 100644
--- a/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/x64_Cygwin-Windows10_MSVC2017-Release-64bits/setup
+++ b/Maintenance/infrastructure/gauguin.geometryfactory.com/reference_platforms/x64_Cygwin-Windows10_MSVC2017-Release-64bits/setup
@@ -6,7 +6,7 @@ export QT_VERSION="5.9.1"
 export PLATFORM_REFERENCE="/cygdrive/c/CGAL/reference_platforms"
 export BOOST_VERSION="1_65_1"
 export TBB_ARCH_PLATFORM="intel64/vc14"
-export EIGEN3_DIR="C:/3rdPartyLibs/eigen-master-4-19-2018" 
+export EIGEN3_DIR="C:/3rdPartyLibs/eigen-master" 
 export INIT_FILE="C:\\CGAL\\reference_platforms\\x64_Cygwin-Windows10_MSVC2017-Release-64bits\\init.cmake"
 source "${PLATFORM_REFERENCE}/setup_common"