From 7090cf6a7a4da56b17332bfa69ad4d92a0ce2eb8 Mon Sep 17 00:00:00 2001
From: Manuel Bentele
Date: Tue, 15 Sep 2020 17:56:51 +0200
Subject: Added RPM package creation and moved to relative CMake installation
 paths

---
 CMakeLists.txt                 | 19 +++++++++++++++++--
 kernel/cmake/kernel.cmake      |  6 +++---
 utils/CMakeLists.txt           |  2 +-
 utils/sys-utils/CMakeLists.txt | 11 +++++++----
 4 files changed, 28 insertions(+), 10 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1b3d2a2..5ecf3e5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,7 +35,7 @@ set(VERSION ${LINUX_KERNEL_VERSION}-${REPOSITORY_VERSION})
 
 # define packaging if Release build is enabled
 if(${CMAKE_BUILD_TYPE} MATCHES Release)
-    set(CPACK_GENERATOR "DEB;TGZ")
+    set(CPACK_GENERATOR "DEB;RPM;TGZ")
     set(CPACK_SOURCE_GENERATOR "TGZ;ZIP")
     set(CPACK_PACKAGE_NAME ${CMAKE_PROJECT_NAME})
     set(CPACK_MONOLITHIC_INSTALL True)
@@ -49,14 +49,29 @@ if(${CMAKE_BUILD_TYPE} MATCHES Release)
     set(CPACK_PACKAGE_FILE_NAME ${CPACK_PACKAGE_NAME}_${CPACK_PACKAGE_VERSION}_${CMAKE_SYSTEM_PROCESSOR})
     set(CPACK_SOURCE_PACKAGE_FILE_NAME ${CPACK_PACKAGE_NAME}_${CPACK_PACKAGE_VERSION}_source)
     set(CPACK_STRIP_FILES True)
+    set(CPACK_PACKAGE_RELOCATABLE False)
     set(CPACK_SET_DESTDIR True)
-    set(CMAKE_INSTALL_PREFIX /usr)
+    set(CMAKE_INSTALL_PREFIX "/usr")
+    set(CPACK_PACKAGING_INSTALL_PREFIX ${CMAKE_INSTALL_PREFIX})
     # set DEB generator specific packaging options
     set(CPACK_DEBIAN_PACKAGE_DEPENDS "libc-bin")
     file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/package/deb/postinst "depmod -a\n")
     file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/package/deb/postrm "depmod -a\n")
     set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA ${CMAKE_CURRENT_BINARY_DIR}/package/deb/postinst
                                            ${CMAKE_CURRENT_BINARY_DIR}/package/deb/postrm)
+    # set RPM generator specific packaging options
+    set(CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST_ADDITION "/lib"
+                                                      "/lib/modules"
+                                                      "/lib/modules/${CMAKE_SYSTEM_VERSION}"
+                                                      "/lib/modules/${CMAKE_SYSTEM_VERSION}/extra"
+                                                      "${CPACK_PACKAGING_INSTALL_PREFIX}/share/bash-completion"
+                                                      "${CPACK_PACKAGING_INSTALL_PREFIX}/share/bash-completion/completions"
+                                                      "${CPACK_PACKAGING_INSTALL_PREFIX}/share/man"
+                                                      "${CPACK_PACKAGING_INSTALL_PREFIX}/share/man/man8")
+    file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/package/rpm/post "depmod -a\n")
+    file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/package/rpm/postun "depmod -a\n")
+    set(CPACK_RPM_POST_INSTALL_SCRIPT_FILE ${CMAKE_CURRENT_BINARY_DIR}/package/rpm/post)
+    set(CPACK_RPM_POST_UNINSTALL_SCRIPT_FILE ${CMAKE_CURRENT_BINARY_DIR}/package/rpm/postun)
     # include CPack functionality
     include(CPack)
 endif()
diff --git a/kernel/cmake/kernel.cmake b/kernel/cmake/kernel.cmake
index 90553f6..385cb40 100644
--- a/kernel/cmake/kernel.cmake
+++ b/kernel/cmake/kernel.cmake
@@ -22,7 +22,7 @@ macro(add_kernel_module MODULE_NAME KERNEL_DIR MODULE_MACRO MODULE_SOURCE_FILES
     endif()
     # define build command
     set(MODULE_BUILD_COMMAND ${CMAKE_MAKE_PROGRAM} ${MODULE_MACRO}
-                                                   -C ${KERNEL_DIR}/build
+                                                   -C /${KERNEL_DIR}/build
                                                     M=${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME} modules
                                                     EXTRA_CFLAGS=${KERNEL_C_FLAGS}
                                                     KBUILD_EXTRA_SYMBOLS=${MODULE_EXTRA_SYMBOLS})
@@ -32,8 +32,8 @@ macro(add_kernel_module MODULE_NAME KERNEL_DIR MODULE_MACRO MODULE_SOURCE_FILES
                        DEPENDS ${MODULE_SOURCE_FILES} ${MODULE_HEADER_FILES} ${BUILD_SOURCE_FILE}
 		               VERBATIM)
     add_custom_target(${MODULE_NAME} ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME}/${MODULE_NAME}.ko ${ARGV6})
-    install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME}/${MODULE_NAME}.ko
+    install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME}/${MODULE_NAME}.ko
             DESTINATION ${KERNEL_DIR}/extra
             PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
             COMPONENT main)
-endmacro(add_kernel_module)
\ No newline at end of file
+endmacro(add_kernel_module)
diff --git a/utils/CMakeLists.txt b/utils/CMakeLists.txt
index 01e0793..cfc5548 100644
--- a/utils/CMakeLists.txt
+++ b/utils/CMakeLists.txt
@@ -22,6 +22,6 @@ add_subdirectory(libsmartcols)
 add_subdirectory(sys-utils)
 
 install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/bash-completion/xlosetup
-        DESTINATION /usr/share/bash-completion/completions
+        DESTINATION share/bash-completion/completions
         PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
         COMPONENT main)
diff --git a/utils/sys-utils/CMakeLists.txt b/utils/sys-utils/CMakeLists.txt
index 38e2def..01295d9 100644
--- a/utils/sys-utils/CMakeLists.txt
+++ b/utils/sys-utils/CMakeLists.txt
@@ -10,7 +10,10 @@ target_include_directories(xlosetup PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/../lib ${
 install(TARGETS xlosetup DESTINATION bin
         COMPONENT main)
 
-install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/xlosetup.8
-        DESTINATION /usr/share/man/man8
-        PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
-        COMPONENT main)
+# install xlosetup man page
+# NOTE: installation is done via a directory install with file matching pattern to support CPackRPM's automatic compression of man pages
+install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/
+        DESTINATION share/man/man8
+        COMPONENT main
+        USE_SOURCE_PERMISSIONS
+        FILES_MATCHING PATTERN *.8*)
-- 
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