update Dockerfile to use clang instead of gcc

Author: michaeldsmith

Dockerfile

@@ -1,13 +1,14 @@
-FROM ubuntu:focal
+FROM ubuntu:noble
 
 RUN apt-get update
 
 # disable interactive install 
-ENV DEBIAN_FRONTEND noninteractive
+ENV DEBIAN_FRONTEND=noninteractive
 
 # install developement tools
 RUN apt-get -y install cmake
-RUN apt-get -y install g++
+#RUN apt-get -y install g++
+RUN apt-get -y install clang
 RUN apt-get -y install libtiff-dev
 
 # install developement debugging tools
@@ -17,9 +18,10 @@ RUN apt-get -y install valgrind
 WORKDIR /usr/src/openjph/
 COPY . .
 WORKDIR /usr/src/openjph/build
-RUN cmake -DCMAKE_BUILD_TYPE=Release ../
+RUN rm -R * || true
+RUN cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_BUILD_TYPE=asan ../
 RUN make
-ENV LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/src/openjph/bin
+ENV LD_LIBRARY_PATH=/usr/src/openjph/bin
 ENV PATH=$PATH:/usr/src/openjph/bin
 
 # finalize docker environment