diff --git a/build.vc14/dll_flint/dll_flint.vcxproj b/build.vc14/dll_flint/dll_flint.vcxproj
index 3c8edd3c..947b4e38 100644
--- a/build.vc14/dll_flint/dll_flint.vcxproj
+++ b/build.vc14/dll_flint/dll_flint.vcxproj
@@ -81,7 +81,7 @@
     <ClCompile>
       <Optimization>Full</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>..\;..\..\;..\..\..\mpir\dll\$(IntDir);..\..\..\mpfr\dll\$(IntDir);..\..\..\pthreads\dll\$(IntDir);</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\;..\..\;@NATIVE_INSTALLED_DIR@\include</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>NDEBUG;WIN32;HAVE_CONFIG_H;MSC_BUILD_DLL;PTW32_BUILD;FLINT_REENTRANT=0;HAVE_TLS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <ProgramDataBaseFileName>$(TargetDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -90,7 +90,7 @@
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <LargeAddressAware>true</LargeAddressAware>
-      <AdditionalDependencies>..\..\..\mpir\dll\$(IntDir)mpir.lib;..\..\..\mpfr\dll\$(IntDir)mpfr.lib;..\..\..\pthreads\dll\$(IntDir)pthreads.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>@NATIVE_INSTALLED_DIR@\lib\mpir.lib;@NATIVE_INSTALLED_DIR@\lib\mpfr.lib;@NATIVE_INSTALLED_DIR@\lib\pthreadsVC2.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <PostBuildEvent>
       <Command>postbuild $(IntDir) DLL
@@ -105,7 +105,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>..\;..\..\;..\..\..\mpir\dll\$(IntDir);..\..\..\mpfr\dll\$(IntDir);..\..\..\pthreads\dll\$(IntDir);</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\;..\..\;@NATIVE_INSTALLED_DIR@\include</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_DEBUG;WIN32;HAVE_CONFIG_H;MSC_BUILD_DLL;PTW32_BUILD;FLINT_REENTRANT=0;HAVE_TLS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
       <ProgramDataBaseFileName>$(TargetDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -114,7 +114,7 @@
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <LargeAddressAware>true</LargeAddressAware>
-      <AdditionalDependencies>..\..\..\mpir\dll\$(IntDir)mpir.lib;..\..\..\mpfr\dll\$(IntDir)mpfr.lib;..\..\..\pthreads\dll\$(IntDir)pthreads.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>@NATIVE_INSTALLED_DIR@\lib\mpir.lib;@NATIVE_INSTALLED_DIR@\lib\mpfr.lib;@NATIVE_INSTALLED_DIR@\lib\pthreadsVC2.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <PostBuildEvent>
       <Command>postbuild $(IntDir) DLL
@@ -129,7 +129,7 @@
     <ClCompile>
       <Optimization>Full</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>..\;..\..\;..\..\..\mpir\dll\$(IntDir);..\..\..\mpfr\dll\$(IntDir);..\..\..\pthreads\dll\$(IntDir);</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\;..\..\;@NATIVE_INSTALLED_DIR@\include</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>NDEBUG;WIN32;HAVE_CONFIG_H;MSC_BUILD_DLL;PTW32_BUILD;FLINT_REENTRANT=0;HAVE_TLS=1;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <ProgramDataBaseFileName>$(TargetDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -138,7 +138,7 @@
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <LargeAddressAware>true</LargeAddressAware>
-      <AdditionalDependencies>..\..\..\mpir\dll\$(IntDir)mpir.lib;..\..\..\mpfr\dll\$(IntDir)mpfr.lib;..\..\..\pthreads\dll\$(IntDir)pthreads.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>@NATIVE_INSTALLED_DIR@\lib\mpir.lib;@NATIVE_INSTALLED_DIR@\lib\mpfr.lib;@NATIVE_INSTALLED_DIR@\lib\pthreadsVC2.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <PostBuildEvent>
       <Command>postbuild $(IntDir) DLL
@@ -153,7 +153,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>..\;..\..\;..\..\..\mpir\dll\$(IntDir);..\..\..\mpfr\dll\$(IntDir);..\..\..\pthreads\dll\$(IntDir);</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\;..\..\;@NATIVE_INSTALLED_DIR@\include</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_DEBUG;WIN32;HAVE_CONFIG_H;MSC_BUILD_DLL;PTW32_BUILD;FLINT_REENTRANT=0;HAVE_TLS=1;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
       <ProgramDataBaseFileName>$(TargetDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -162,7 +162,7 @@
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <LargeAddressAware>true</LargeAddressAware>
-      <AdditionalDependencies>..\..\..\mpir\dll\$(IntDir)mpir.lib;..\..\..\mpfr\dll\$(IntDir)mpfr.lib;..\..\..\pthreads\dll\$(IntDir)pthreads.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>@NATIVE_INSTALLED_DIR@\lib\mpir.lib;@NATIVE_INSTALLED_DIR@\lib\mpfr.lib;@NATIVE_INSTALLED_DIR@\lib\pthreadsVC2.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <PostBuildEvent>
       <Command>postbuild $(IntDir) DLL