One last linker error

cpp/CMakeLists.txt

@@ -1,16 +1,13 @@
 cmake_minimum_required(VERSION 3.21)
 project(lubuntuci CXX)
 
-# Set C++ standard
 set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 
-# Specify output directories
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 
-# Find required packages
 find_package(yaml-cpp REQUIRED)
 find_package(PkgConfig REQUIRED)
 pkg_check_modules(LIBGIT2 REQUIRED IMPORTED_TARGET libgit2)
@@ -19,48 +16,38 @@ find_package(ZLIB REQUIRED)
 
 include_directories(/srv/lubuntu-ci/repos/ci-tools/include/launchpadlib-cpp)
 
-# Create the shared library liblubuntuci.so
 add_library(lubuntuci SHARED common.cpp utilities.cpp)
 target_include_directories(lubuntuci PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 target_link_libraries(lubuntuci PUBLIC yaml-cpp::yaml-cpp PRIVATE CURL::libcurl /srv/lubuntu-ci/repos/ci-tools/lib/liblaunchpad.so)
 
-# Ensure liblubuntuci has proper RPATH
-set_target_properties(lubuntuci PROPERTIES
-    BUILD_WITH_INSTALL_RPATH TRUE
-    INSTALL_RPATH "$ORIGIN/lib"
-)
+add_library(update_maintainer_lib STATIC update-maintainer.cpp)
+target_include_directories(update_maintainer_lib PRIVATE /srv/lubuntu-ci/repos/ci-tools/include/launchpadlib-cpp)
+target_link_libraries(update_maintainer_lib PRIVATE lubuntuci yaml-cpp::yaml-cpp CURL::libcurl)
 
-# build-packages executable
 add_executable(build-packages build-packages.cpp)
-target_include_directories(build-packages PRIVATE /srv/lubuntu-ci/repos/ci-tools/include/launchpadlib-cpp)
-target_link_libraries(build-packages PRIVATE lubuntuci PkgConfig::LIBGIT2 yaml-cpp::yaml-cpp)
+target_link_libraries(build-packages PRIVATE lubuntuci PkgConfig::LIBGIT2 update_maintainer_lib)
 
-# fetch-indexes executable
 add_executable(fetch-indexes fetch-indexes.cpp utilities.cpp)
 target_include_directories(fetch-indexes PRIVATE /srv/lubuntu-ci/repos/ci-tools/include/launchpadlib-cpp)
 target_link_libraries(fetch-indexes PRIVATE lubuntuci CURL::libcurl yaml-cpp::yaml-cpp ZLIB::ZLIB)
 
-# update-maintainer executable
 add_executable(update-maintainer update-maintainer.cpp)
-target_include_directories(update-maintainer PRIVATE /srv/lubuntu-ci/repos/ci-tools/include/launchpadlib-cpp)
-target_link_libraries(update-maintainer PRIVATE lubuntuci yaml-cpp::yaml-cpp CURL::libcurl)
+target_link_libraries(update-maintainer PRIVATE update_maintainer_lib)
 
-# Ensure executables have proper RPATH
-set_target_properties(build-packages fetch-indexes update-maintainer PROPERTIES
+set_target_properties(lubuntuci build-packages fetch-indexes update-maintainer PROPERTIES
     BUILD_WITH_INSTALL_RPATH TRUE
     INSTALL_RPATH "$ORIGIN/lib"
 )
 
-# Install targets
-install(TARGETS lubuntuci
+install(TARGETS lubuntuci update_maintainer_lib
     LIBRARY DESTINATION lib
+    ARCHIVE DESTINATION lib
 )
 
 install(TARGETS build-packages fetch-indexes update-maintainer
     RUNTIME DESTINATION bin
 )
 
-# Install headers
 install(FILES common.h update-maintainer.h utilities.h
     DESTINATION include/lubuntuci
 )