From 7292f650d75a2c2fc760bf46c28071cb23d3150b Mon Sep 17 00:00:00 2001
From: Denis Biryukov <denis.biryukov@zettascale.tech>
Date: Fri, 18 Oct 2024 21:27:32 +0000
Subject: [PATCH] fix package generation

---
 install/CMakeLists.txt             | 41 ++++++++++++++++++++++++++----
 install/cpack_project_config.cmake | 33 ++++++++++++++++++++++++
 2 files changed, 69 insertions(+), 5 deletions(-)
 create mode 100644 install/cpack_project_config.cmake

diff --git a/install/CMakeLists.txt b/install/CMakeLists.txt
index 34980f40c..826634724 100644
--- a/install/CMakeLists.txt
+++ b/install/CMakeLists.txt
@@ -22,9 +22,9 @@ function(install_zenohc_lib configurations property_postfix package_name)
         else()
             set(ZENOHC_INSTALL_DYLIBDIR ${CMAKE_INSTALL_LIBDIR})
         endif()
-        install(FILES ${dylib_path} DESTINATION ${ZENOHC_INSTALL_DYLIBDIR} CONFIGURATIONS ${configurations})
+        install(FILES ${dylib_path} DESTINATION ${ZENOHC_INSTALL_DYLIBDIR} CONFIGURATIONS ${configurations} COMPONENT lib)
         if(DEFINED implib_path)
-            install(FILES ${implib_path} DESTINATION ${CMAKE_INSTALL_LIBDIR} CONFIGURATIONS ${configurations})
+            install(FILES ${implib_path} DESTINATION ${CMAKE_INSTALL_LIBDIR} CONFIGURATIONS ${configurations} COMPONENT lib)
         endif()
         if((APPLE OR UNIX))
             get_filename_component(LIBNAME ${DYLIB} NAME_WE)
@@ -33,13 +33,14 @@ function(install_zenohc_lib configurations property_postfix package_name)
                 DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig" 
                 CONFIGURATIONS ${configurations}
                 RENAME ${package_name}.pc
-                OPTIONAL)
+                OPTIONAL
+                COMPONENT dev)
         endif()
     else()
         get_target_property(staticlib_path zenohc::static IMPORTED_LOCATION_${property_postfix})
         get_target_property(NATIVE_STATIC_LIBS zenohc::static INTERFACE_LINK_LIBRARIES)
         get_filename_component(STATICLIB ${staticlib_path} NAME)
-        install(FILES ${staticlib_path} DESTINATION ${CMAKE_INSTALL_LIBDIR} CONFIGURATIONS ${configurations})
+        install(FILES ${staticlib_path} DESTINATION ${CMAKE_INSTALL_LIBDIR} CONFIGURATIONS ${configurations} COMPONENT lib)
     endif()
 
     set(CMAKE_INSTALL_CMAKEDIR "${CMAKE_INSTALL_LIBDIR}/cmake/${package_name}")
@@ -79,7 +80,7 @@ endfunction()
 #
 get_target_property(include_dirs zenohc::lib INTERFACE_INCLUDE_DIRECTORIES)
 foreach(dir ${include_dirs})
-    install(DIRECTORY "${dir}/" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+    install(DIRECTORY "${dir}/" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT headers)
 endforeach()
 
 #
@@ -87,3 +88,33 @@ endforeach()
 #
 install_zenohc_lib("Release;RelWithDebInfo;MinSizeRel;None" "RELEASE" zenohc)
 install_zenohc_lib("Debug" "DEBUG" zenohc)
+
+#
+# Configure CPack
+#
+set(CPACK_PACKAGE_DIRECTORY "${CMAKE_BINARY_DIR}/packages")
+set(CPACK_PACKAGE_CHECKSUM MD5)
+set(CPACK_PACKAGE_VENDOR "The Eclipse Foundation")
+set(CPACK_PACKAGE_VERSION_MAJOR ${PROJECT_VERSION_MAJOR})
+set(CPACK_PACKAGE_VERSION_MINOR ${PROJECT_VERSION_MINOR})
+set(CPACK_PACKAGE_VERSION_PATCH ${PROJECT_VERSION_PATCH})
+set(CPACK_COMPONENT_LIB_DESCRIPTION "The C client library for Eclipse zenoh")
+set(CPACK_COMPONENT_DEV_DESCRIPTION "${CPACK_COMPONENT_LIB_DESCRIPTION} - cmake files")
+set(CPACK_COMPONENT_HEADERS_DESCRIPTION "${CPACK_COMPONENT_LIB_DESCRIPTION} - header files")
+set(CPACK_COMPONENT_LIB_GROUP "lib")
+set(CPACK_COMPONENT_HEADERS_GROUP "dev")
+set(CPACK_COMPONENT_DEV_GROUP "dev")
+set(CPACK_COMPONENT_HEADERS_DEPENDS lib)
+set(CPACK_COMPONENT_DEV_DEPENDS lib)
+
+set(CPACK_GENERATOR ZIP)
+# set package name to format <name>-<version>.<extension>
+# platform name doesn't matter for header-only library
+set(CPACK_PACKAGE_NAME zenoh-c)
+if(NOT CPACK_PACKAGE_VERSION)
+  set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION}) 
+endif()
+set(CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
+set(CPACK_PROJECT_CONFIG_FILE "${CMAKE_CURRENT_SOURCE_DIR}/cpack_project_config.cmake")
+
+include(CPack)
diff --git a/install/cpack_project_config.cmake b/install/cpack_project_config.cmake
new file mode 100644
index 000000000..6de93b128
--- /dev/null
+++ b/install/cpack_project_config.cmake
@@ -0,0 +1,33 @@
+if(CPACK_GENERATOR MATCHES "DEB")
+    # DEB package
+    if(NOT DEBARCH)
+        execute_process(
+        COMMAND dpkg --print-architecture
+        OUTPUT_VARIABLE DEBARCH
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        )
+    endif()
+    message(STATUS "Configure DEB packaging for Linux ${DEBARCH}")
+    set(CPACK_DEBIAN_PACKAGE_MAINTAINER "ZettaScale Zenoh Team, <zenoh@zettascale.tech>")
+    set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE ${DEBARCH})
+    set(CPACK_DEB_COMPONENT_INSTALL ON)
+    set(CPACK_DEBIAN_FILE_NAME DEB-DEFAULT)
+    set(CPACK_DEBIAN_LIB_PACKAGE_NAME ${CPACK_PACKAGE_NAME}) # avoid "-lib" suffix for "lib" package
+    set(CPACK_DEBIAN_LIB_PACKAGE_DEPENDS "libc6 (>=2.12)")
+    set(CPACK_DEBIAN_DEV_PACKAGE_DEPENDS "${CPACK_DEBIAN_LIB_PACKAGE_NAME} (=${CPACK_PACKAGE_VERSION})")
+endif()
+
+if(CPACK_GENERATOR MATCHES "RPM")
+  # RPM package
+  # rpmbuild should be installed
+  # apt install rpm
+  if(NOT RPMARCH)
+    set(RPMARCH ${CMAKE_SYSTEM_PROCESSOR})
+  endif()
+  message(STATUS "Configure RPM packaging for Linux ${RPMARCH}")
+  set(CPACK_RPM_PACKAGE_ARCHITECTURE ${RPMARCH})
+  set(CPACK_RPM_COMPONENT_INSTALL ON)
+  set(CPACK_RPM_FILE_NAME RPM-DEFAULT)
+  set(CPACK_RPM_LIB_PACKAGE_NAME ${CPACK_PACKAGE_NAME}) # avoid "-lib" suffix for "lib" package
+  set(CPACK_RPM_DEV_PACKAGE_REQUIRES "${CPACK_RPM_LIB_PACKAGE_NAME} = ${CPACK_PACKAGE_VERSION}")
+endif()
\ No newline at end of file