Add installation and packaging targets

CMakeLists.txt

@@ -1,22 +1,41 @@
-cmake_minimum_required(VERSION "3.28")
+cmake_minimum_required(VERSION 3.28)
 
-project("cpackexample" VERSION 0.1.0)
+project(cpackexample VERSION 0.1.0 LANGUAGES CXX)
 
-FIND_PACKAGE(deal.II 9.5 REQUIRED
+find_package(deal.II 9.5 REQUIRED
   HINTS ${DEAL_II_DIR} ../ ../../ $ENV{DEAL_II_DIR}
-  )
+)
 DEAL_II_INITIALIZE_CACHED_VARIABLES()
 
-# Uses the FindBoost module of CMake
 find_package(Boost 1.83 COMPONENTS filesystem REQUIRED)
-
 find_package(yaml-cpp 0.6 REQUIRED)
 
-add_library(cpackexamplelib filesystem/filesystem.cpp fem/fem.cpp flatset/flatset.cpp yamlParser/yamlParser.cpp)
-add_executable("${PROJECT_NAME}" main.cpp)
+add_library(cpackexamplelib
+  filesystem/filesystem.cpp
+  fem/fem.cpp
+  flatset/flatset.cpp
+  yamlParser/yamlParser.cpp
+)
+
+add_executable(cpackexample main.cpp)
 
-target_link_libraries("${PROJECT_NAME}" cpackexamplelib)
-target_link_libraries(cpackexamplelib Boost::filesystem ${YAML_CPP_LIBRARIES})
+target_link_libraries(cpackexample cpackexamplelib)
+target_link_libraries(cpackexamplelib Boost::filesystem yaml-cpp)
 
-DEAL_II_SETUP_TARGET("${PROJECT_NAME}")
+DEAL_II_SETUP_TARGET(cpackexample)
 DEAL_II_SETUP_TARGET(cpackexamplelib)
+
+install(TARGETS cpackexample RUNTIME DESTINATION bin)
+install(TARGETS cpackexamplelib
+  LIBRARY DESTINATION lib
+  ARCHIVE DESTINATION lib
+)
+install(FILES
+  fem/fem.hpp
+  filesystem/filesystem.hpp
+  flatset/flatset.hpp
+  yamlParser/yamlParser.hpp
+  DESTINATION include/cpackexamplelib
+)
+
+include(cmake/CPackConfig.cmake)

Dockerfile

@@ -1,28 +1,38 @@
-From ubuntu:24.04
+FROM ubuntu:24.04
 
-# Install a few dependencies
+# install dependencies
 RUN apt-get -qq update && \
     apt-get -qq -y install \
-        build-essential \
-        cmake \
-        git \
-        libboost-all-dev \
-        wget \
-        libdeal.ii-dev \
-        vim \
-        tree \
-        lintian \
-        unzip
-
-# Get, unpack, build, and install yaml-cpp        
-RUN mkdir software && cd software && \
-    wget https://github.com/jbeder/yaml-cpp/archive/refs/tags/yaml-cpp-0.6.3.zip && unzip yaml-cpp-0.6.3.zip && \
-    cd yaml-cpp-yaml-cpp-0.6.3 && mkdir build && cd build && \
-    cmake -DYAML_BUILD_SHARED_LIBS=ON .. && make -j4 && make install    
-
-# This is some strange Docker feature. Normally, you don't need to add /usr/local to these
-ENV LIBRARY_PATH $LIBRARY_PATH:/usr/local/lib/
-ENV LD_LIBRARY_PATH $LD_LIBRARY_PATH:/usr/local/lib/
-ENV PATH $PATH:/usr/local/bin/
+    build-essential \
+    cmake \
+    git \
+    libboost-all-dev \
+    wget \
+    libdeal.ii-dev \
+    vim \
+    tree \
+    lintian \
+    unzip 
+
+# yaml-cpp (shared)
+RUN mkdir /software && cd /software && \
+    wget https://github.com/jbeder/yaml-cpp/archive/refs/tags/yaml-cpp-0.6.3.zip && \
+    unzip yaml-cpp-0.6.3.zip && \
+    cd yaml-cpp-yaml-cpp-0.6.3 && \
+    mkdir build && cd build && \
+    cmake -DYAML_BUILD_SHARED_LIBS=ON .. && \
+    make -j"$(nproc)" && \
+    make install
+
+ENV LIBRARY_PATH=${LIBRARY_PATH}:/usr/local/lib/
+ENV LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:/usr/local/lib/
+ENV PATH=${PATH}:/usr/local/bin/
 
 CMD ["/bin/bash"]
+
+# Copying automation script
+COPY docker-build.sh /docker-build.sh
+RUN chmod +x /docker-build.sh
+
+# Run packaging automatically
+ENTRYPOINT ["/docker-build.sh"]

cmake/CPackConfig.cmake

@@ -0,0 +1,45 @@
+# Basic package information
+set(CPACK_PACKAGE_NAME "cpackexample")
+set(CPACK_PACKAGE_VENDOR "Nikhil / University Of Stuttgart")
+set(CPACK_PACKAGE_CONTACT "n.k.2449837@gmail.com")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY
+    "Finite Element / Boost / YAML example packaged with CPack"
+)
+
+# Debian wants an extended description (not empty)
+set(CPACK_DEBIAN_PACKAGE_DESCRIPTION
+"Finite element demo application
+
+ This package contains a small FEM-based example using deal.II, Boost
+ and yaml-cpp, packaged with CMake and CPack for the SSE exercise."
+)
+
+# Version
+set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
+
+# Homepage / project URL (your fork)
+set(CPACK_PACKAGE_HOMEPAGE_URL
+    "https://github.com/Nikhil-4595/cpack-exercise-wt2526"
+)
+
+# Only create TGZ and DEB binaries
+set(CPACK_GENERATOR "TGZ;DEB")
+
+# Install into /usr so binary ends up in /usr/bin, etc.
+set(CPACK_PACKAGING_INSTALL_PREFIX "/usr")
+
+# Debian-specific fields
+# Lintian wants a 'phrase' (Name <email>) as maintainer
+set(CPACK_DEBIAN_PACKAGE_MAINTAINER "Nikhil <${CPACK_PACKAGE_CONTACT}>")
+set(CPACK_DEBIAN_PACKAGE_HOMEPAGE   "${CPACK_PACKAGE_HOMEPAGE_URL}")
+set(CPACK_DEBIAN_FILE_NAME DEB-DEFAULT)
+
+# Strip binaries in packages -> fixes 'unstripped-binary-or-object'
+set(CPACK_STRIP_FILES YES)
+
+# Let Debian tools detect shared-library dependencies
+# -> fixes 'undeclared-elf-prerequisites' and adds proper Depends:
+set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS YES)
+
+# Enable CPack
+include(CPack)

docker-build.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+set -euo pipefail
+
+SRC_DIR=/mnt/cpack-exercise
+BUILD_DIR=$(mktemp -d /tmp/cpack-build-XXXXXX)
+INSTALL_DIR=$(mktemp -d /tmp/cpack-install-XXXXXX)
+OUT_DIR="$SRC_DIR/packages"
+
+echo "Source directory:  $SRC_DIR"
+echo "Build directory:   $BUILD_DIR"
+echo "Install prefix:    $INSTALL_DIR"
+echo "Output directory:  $OUT_DIR"
+
+mkdir -p "$OUT_DIR"
+
+echo "Configuring project..."
+cmake -S "$SRC_DIR" -B "$BUILD_DIR" \
+  -DBUILD_SHARED_LIBS=ON \
+  -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR"cmake -S "$SRC_DIR" -B "$BUILD_DIR" \
+  -DBUILD_SHARED_LIBS=ON \
+  -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR"
+
+echo "Building project..."
+cmake --build "$BUILD_DIR" -- -j"$(nproc)"
+
+echo "Packaging..."
+cmake --build "$BUILD_DIR" --target package
+
+echo "Copying packages to host..."
+cp "$BUILD_DIR"/*.deb "$OUT_DIR"/
+cp "$BUILD_DIR"/*.tar.gz "$OUT_DIR"/
+
+echo "Done. Packages are available in:"
+ls -lh "$OUT_DIR"