diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..dfdb8b7
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.sh text eol=lf
diff --git a/build/build.bat b/build/build.bat
index f88b5a0..2ae058b 100644
--- a/build/build.bat
+++ b/build/build.bat
@@ -11,7 +11,7 @@ rem error if BOOST_ROOT not set
 set BOOST=%BOOST_ROOT%
 
 pushd ..\test
-%BOOST%\b2 -q %*
+%BOOST%\b2.exe -q %*
 popd
 if errorlevel 1 exit /b %ERRORLEVEL%
 
@@ -24,6 +24,6 @@ xcopy /Y /S /Q /I %BOOST%\doc\src\images\*.png ..\doc\html\images
 xcopy /Y /S /Q /I %BOOST%\doc\src\images\callouts\*.png ..\doc\html\images\callouts
 if errorlevel 1 exit /b %ERRORLEVEL%
 pushd ..\doc
-%BOOST%\b2 -q %*
+%BOOST%\b2.exe -q %*
 popd
 if errorlevel 1 exit /b %ERRORLEVEL%
diff --git a/build/build.xml b/build/build.xml
index f5fcdaa..b2201f8 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -18,17 +18,6 @@
 
   <property name="version" value="unreleased"/>
 
-  <import file="${env.PONEY_HOME}/poney.xml"/>
-  
-  <target name="reports" description="generate code analysis reports">
-    <headers name="turtle" excludes="**/*_iterate.hpp,**/*_template.hpp"/>
-    <check name="turtle"/>
-  </target>
-
-  <target name="build" description="build tests and documentation">
-    <run dir="." script="build"/>
-  </target>
-
   <target name="package" depends="build" description="produce release packages">
     <fail unless="version" message="missing version property"/>
     <copy file="version.hpp" tofile="${out.dir}/version.hpp" overwrite="true">
diff --git a/build/clang/Dockerfile b/build/clang/Dockerfile
new file mode 100644
index 0000000..fd3a65b
--- /dev/null
+++ b/build/clang/Dockerfile
@@ -0,0 +1,17 @@
+# $ docker build --platform=linux -f clang/Dockerfile -t turtle-clang .
+FROM buildpack-deps:stretch
+RUN apt-get update && apt-get install -y xsltproc docbook-xsl docbook-xml && apt-get autoremove && apt-get clean
+ENV DOCBOOK_XSL_DIR=/usr/share/xml/docbook/stylesheet/docbook-xsl \
+    DOCBOOK_DTD_DIR=/usr/share/xml/docbook/schema/dtd/4.2 \
+    BOOST_ROOT=/home/dev/cpp/boost/
+#    wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key|apt-key add - && \
+RUN echo "deb http://apt.llvm.org/stretch/ llvm-toolchain-stretch-5.0 main" >> /etc/apt/sources.list && \
+    apt-get update && \
+    apt-get install -y --allow-unauthenticated clang-5.0 lld-5.0 libc++1 && \
+    apt-get autoremove && \
+    apt-get clean && \
+    update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-5.0 100 && \
+    update-alternatives --install /usr/bin/clang clang /usr/bin/clang-5.0 100
+RUN echo 'cd /home/dev/cpp/turtle/build' >> ~/.bashrc
+# $ docker run --platform=linux --rm -v C:/dev:/home/dev -m 32g -it turtle-clang
+# ./build.sh --toolset=clang "cxxflags=-std=c++17 -stdlib=libc++ -Wno-unused-variable"
diff --git a/build/gcc/Dockerfile b/build/gcc/Dockerfile
new file mode 100644
index 0000000..5d1a4d8
--- /dev/null
+++ b/build/gcc/Dockerfile
@@ -0,0 +1,9 @@
+# $ docker build -f Dockerfile -t turtle-gcc .
+FROM gcc
+RUN apt-get update && apt-get install -y xsltproc docbook-xsl docbook-xml && apt-get autoremove && apt-get clean
+ENV DOCBOOK_XSL_DIR=/usr/share/xml/docbook/stylesheet/docbook-xsl \
+    DOCBOOK_DTD_DIR=/usr/share/xml/docbook/schema/dtd/4.2 \
+    BOOST_ROOT=/home/dev/cpp/boost/
+RUN echo 'cd /home/dev/cpp/turtle/build' >> ~/.bashrc
+# $ docker run --platform=linux --rm -v C:/dev:/home/dev -m 16g -it turtle-gcc
+# ./build.sh  --toolset=gcc "cxxflags=-std=c++17 -Wno-noexcept-type -Wno-unused-variable -Wno-unused-function -Wno-deprecated-declarations"