Fixes from review: now packaging the install tree; Debian package name and installation prefix fixed

Author: Beanavil

.github/workflows/linux.yml

@@ -178,6 +178,7 @@ jobs:
         -D CMAKE_CXX_COMPILER=${{matrix.CXX_COMPILER}}
         -D CMAKE_CXX_EXTENSIONS=OFF
         -D CMAKE_INSTALL_PREFIX=$GITHUB_WORKSPACE/install
+        -D CPACK_PACKAGING_INSTALL_PREFIX=/usr
         -B$GITHUB_WORKSPACE/build
         -H$GITHUB_WORKSPACE
 
@@ -194,7 +195,7 @@ jobs:
     - name: Package DEB
       shell: bash
       run: $CPACK_EXE
-        --config "$GITHUB_WORKSPACE/build/CPackSourceConfig.cmake"
+        --config "$GITHUB_WORKSPACE/build/CPackConfig.cmake"
         -G DEB
         -C Release
         -B "$GITHUB_WORKSPACE/package-deb"

.gitignore

@@ -1,6 +1,9 @@
 # Build dir
 [Bb]uild/
 
+# Install dir
+[Ii]nstall/
+
 # Package dir
 [Pp]ackage[-_\s\d]*/
 

CMakeLists.txt

@@ -7,7 +7,7 @@ if(TARGET Headers)
 endif()
 
 project(OpenCLHeaders
-  VERSION 2.2
+  VERSION 3.0
   LANGUAGES C # Ideally should be NONE, but GNUInstallDirs detects platform arch using try_compile
   # https://stackoverflow.com/questions/43379311/why-does-project-affect-cmakes-opinion-on-cmake-sizeof-void-p
 )

cmake/Package.cmake

@@ -1,6 +1,6 @@
 set(CPACK_PACKAGE_VENDOR "khronos")
 
-set(CPACK_PACKAGE_DESCRIPTION "OpenCL API C headers")
+set(CPACK_PACKAGE_DESCRIPTION "Khronos OpenCL Headers")
 
 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
 
@@ -10,34 +10,26 @@ if(NOT CPACK_PACKAGING_INSTALL_PREFIX)
   set(CPACK_PACKAGING_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
 endif()
 
-if(NOT CPACK_SOURCE_IGNORE_FILES)
-  set(CPACK_SOURCE_IGNORE_FILES="/.github/;/build/")
-endif()
-
 # DEB packaging configuration
 set(CPACK_DEBIAN_PACKAGE_MAINTAINER ${CPACK_PACKAGE_VENDOR})
 
 set(CPACK_DEBIAN_PACKAGE_HOMEPAGE
     "https://github.com/KhronosGroup/OpenCL-Headers")
 
-# Get Debian package name from project name
-string(TOLOWER ${PROJECT_NAME} DEBIAN_PACKAGE_NAME)
-string(REPLACE "opencl" "opencl-" DEBIAN_PACKAGE_NAME ${DEBIAN_PACKAGE_NAME})
-
 # Version number [epoch:]upstream_version[-debian_revision]
-set(CPACK_DEBIAN_PACKAGE_VERSION ${CPACK_PACKAGE_VERSION}) # upstream_version
-set(CPACK_DEBIAN_PACKAGE_RELEASE "1") # devian_revision (because this is a
+set(LATEST_RELEASE_VERSION "~2023.04.17")
+set(CPACK_DEBIAN_PACKAGE_VERSION ${CMAKE_PROJECT_VERSION})  # upstream_version
+set(CPACK_DEBIAN_PACKAGE_RELEASE "1") # debian_revision (because this is a
                                       # non-native pkg)
 
+set(DEBIAN_PACKAGE_NAME "opencl-c-headers")
 set(CPACK_DEBIAN_PACKAGE_NAME
-    "${CPACK_PACKAGE_VENDOR}-${DEBIAN_PACKAGE_NAME}"
+    "${DEBIAN_PACKAGE_NAME}"
     CACHE STRING "Package name" FORCE)
 
-set(CPACK_DEBIAN_PACKAGE_FILE_NAME "${CPACK_DEBIAN_PACKAGE_NAME}-${CPACK_DEBIAN_PACKAGE_VERSION}")
-
 # Package file name in deb format:
 # <PackageName>_<VersionNumber>-<DebianRevisionNumber>_<DebianArchitecture>.deb
-set(CPACK_DEBIAN_FILE_NAME DEB-DEFAULT)
+set(CPACK_DEBIAN_FILE_NAME "${CPACK_PACKAGE_VENDOR}-${DEBIAN_PACKAGE_NAME}_${CPACK_DEBIAN_PACKAGE_VERSION}_${CPACK_DEBIAN_PACKAGE_ARCHITECTURE}.deb")
 
 set(CPACK_DEBIAN_PACKAGE_DEBUG ON)