SDL_mixer: cmake: build cpack packages (4b7a0)

From 4b7a04db883e1174eb8e7b63838a01c4dea1c003 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Fri, 25 Oct 2024 14:17:13 +0200
Subject: [PATCH] cmake: build cpack packages

---
 .github/workflows/main.yml                    |  22 +++-
 .gitignore                                    |  27 -----
 CMakeLists.txt                                |  20 ++++
 .../cmake/SDL3_mixerConfigVersion.cmake.in    |   4 +-
 cmake/CPackProjectConfig.cmake.in             |  37 ++++++
 cmake/sdlplatform.cmake                       | 106 ++++++++++++++++++
 6 files changed, 182 insertions(+), 34 deletions(-)
 delete mode 100644 .gitignore
 create mode 100644 cmake/CPackProjectConfig.cmake.in
 create mode 100644 cmake/sdlplatform.cmake

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 46eded913..2af1ba240 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,12 +15,12 @@ jobs:
       fail-fast: false
       matrix:
         platform:
-        - { name: Windows (MSVC),       os: windows-2019, shell: sh,   cmake: '-DPerl_ROOT=C:/Strawberry/perl/bin/ -DSDLMIXER_VENDORED=ON -GNinja', msvc: 1, shared: 1, static: 0 }
-        - { name: Windows (mingw64),    os: windows-latest, shell: 'msys2 {0}', msystem: mingw64, msys-env: mingw-w64-x86_64, shared: 1, static: 0,
+        - { name: Windows (MSVC),       os: windows-2019, shell: sh,   cmake: '-DPerl_ROOT=C:/Strawberry/perl/bin/ -DSDLMIXER_VENDORED=ON -GNinja', msvc: 1, shared: 1, static: 0, artifact: 'SDL3_mixer-VC-x64' }
+        - { name: Windows (mingw64),    os: windows-latest, shell: 'msys2 {0}', msystem: mingw64, msys-env: mingw-w64-x86_64, shared: 1, static: 0, artifact: 'SDL3_mixer-mingw64',
             cmake: '-DSDLMIXER_VENDORED=OFF -G "Ninja Multi-Config"' }
-        - { name: Linux,                os: ubuntu-20.04,   shell: sh, cmake: '-DSDLMIXER_VENDORED=ON -GNinja', shared: 1, static: 0 }
-        - { name: 'Linux (static)',     os: ubuntu-20.04,   shell: sh, cmake: '-DSDLMIXER_VENDORED=ON -DBUILD_SHARED_LIBS=OFF -GNinja', shared: 0, static: 1 }
-        - { name: Macos,                os: macos-latest,   shell: sh, cmake: '-DSDLMIXER_VENDORED=ON -GNinja', shared: 1, static: 0 }
+        - { name: Linux,                os: ubuntu-20.04,   shell: sh, cmake: '-DSDLMIXER_VENDORED=ON -GNinja', shared: 1, static: 0, artifact: 'SDL3_mixer-linux-x64' }
+        - { name: 'Linux (static)',     os: ubuntu-20.04,   shell: sh, cmake: '-DSDLMIXER_VENDORED=ON -DBUILD_SHARED_LIBS=OFF -GNinja', shared: 0, static: 1, artifact: 'SDL3_mixer-static-linux-x64' }
+        - { name: Macos,                os: macos-latest,   shell: sh, cmake: '-DSDLMIXER_VENDORED=ON -GNinja', shared: 1, static: 0, artifact: 'SDL3_mixer-macos' }
 
 
     steps:
@@ -129,6 +129,7 @@ jobs:
           "$@" \
           ${{ matrix.platform.cmake }}
     - name: Build (CMake)
+      id: build
       run: |
         cmake --build build/ --config Release --parallel --verbose
     - name: Install (CMake)
@@ -138,6 +139,10 @@ jobs:
         cmake --install build/ --config Release
         echo "SDL3_mixer_ROOT=$(pwd)/prefix_cmake" >> $GITHUB_ENV
         ( cd prefix_cmake; find . ) | LC_ALL=C sort -u
+    - name: Package (CPack)
+      if: ${{ always() && steps.build.outcome == 'success' }}
+      run: |
+        cmake --build build/ --target package
 
     - name: Verify CMake configuration files
       run: |
@@ -146,3 +151,10 @@ jobs:
           -DTEST_SHARED=${{ matrix.platform.shared }} \
           -DTEST_STATIC=${{ matrix.platform.static }}
         cmake --build cmake_config_build --verbose --config Release
+
+    - uses: actions/upload-artifact@v4
+      if: ${{ always() && steps.build.outcome == 'success' }}
+      with:
+        if-no-files-found: error
+        name: ${{ matrix.platform.artifact }}
+        path: build/dist/SDL3_mixer*
diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index b121de87c..000000000
--- a/.gitignore
+++ /dev/null
@@ -1,27 +0,0 @@
-build*
-!build-scripts/
-aclocal.m4
-autom4te*
-config.cache
-config.log
-config.status
-Makefile
-libtool
-.deps
-.libs
-*.lo
-*.o
-*.la
-*.lai
-Debug
-Release
-*.user
-*.ncb
-*.suo
-*.sdf
-.DS_Store
-xcuserdata
-*.xcworkspace
-.vs
-.vscode
-Xcode/build.xcconfig
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7a0beaf8c..f87791ae0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,7 +19,9 @@ project(SDL3_mixer
 
 include("${SDL3_mixer_SOURCE_DIR}/cmake/GetGitRevisionDescription.cmake")
 include("${SDL3_mixer_SOURCE_DIR}/cmake/PrivateSdlFunctions.cmake")
+include("${SDL3_mixer_SOURCE_DIR}/cmake/sdlcpu.cmake")
 include("${SDL3_mixer_SOURCE_DIR}/cmake/sdlmanpages.cmake")
+include("${SDL3_mixer_SOURCE_DIR}/cmake/sdlplatform.cmake")
 sdl_calculate_derived_version_variables(${MAJOR_VERSION} ${MINOR_VERSION} ${MICRO_VERSION})
 
 message(STATUS "Configuring ${PROJECT_NAME} ${PROJECT_VERSION}")
@@ -86,6 +88,7 @@ option(CMAKE_POSITION_INDEPENDENT_CODE "Build static libraries with -fPIC" ${PLA
 cmake_dependent_option(BUILD_SHARED_LIBS "Build the library as a shared library" ON PLATFORM_SUPPORTS_SHARED OFF)
 
 cmake_dependent_option(SDLMIXER_INSTALL "Enable SDL3mixer install target" ${SDLMIXER_ROOTPROJECT} "${sdl3mixer_install_enableable}" OFF)
+cmake_dependent_option(SDLMIXER_INSTALL_CPACK "Create binary SDL3_mixer archive using CPack" ${SDLMIXER_ROOTPROJECT} "SDLMIXER_INSTALL" OFF)
 cmake_dependent_option(SDLMIXER_INSTALL_MAN "Install man pages for SDL3_mixer" OFF "SDLMIXER_INSTALL" OFF)
 cmake_dependent_option(SDLMIXER_DEPS_SHARED "Load dependencies dynamically" ON PLATFORM_SUPPORTS_SHARED OFF)
 option(SDLMIXER_VENDORED "Use vendored third-party libraries" ${vendored_default})
@@ -223,6 +226,9 @@ if(NOT TARGET SDL3::Headers OR NOT TARGET ${sdl3_target_name})
     find_package(SDL3 ${SDL_REQUIRED_VERSION} REQUIRED COMPONENTS ${sdl_required_components})
 endif()
 
+SDL_DetectTargetCPUArchitectures(SDL_CPU_NAMES)
+SDL_DetectCMakePlatform()
+
 set(BUILD_SHARED_LIBS ${SDLMIXER_BUILD_SHARED_LIBS})
 add_library(${sdl3_mixer_target_name}
     src/codecs/load_aiff.c
@@ -1168,6 +1174,20 @@ if(SDLMIXER_INSTALL)
         COMPONENT library
     )
 
+    if(SDLMIXER_INSTALL_CPACK)
+      if(MSVC)
+        set(CPACK_GENERATOR "ZIP")
+      else()
+        set(CPACK_GENERATOR "TGZ")
+      endif()
+      configure_file(cmake/CPackProjectConfig.cmake.in CPackProjectConfig.cmake @ONLY)
+      set(CPACK_PROJECT_CONFIG_FILE "${PROJECT_BINARY_DIR}/CPackProjectConfig.cmake")
+      # CPACK_SOURCE_PACKAGE_FILE_NAME must end with "-src" (so we can block creating a source archive)
+      set(CPACK_SOURCE_PACKAGE_FILE_NAME "SDL${PROJECT_VERSION_MAJOR}-${PROJECT_VERSION}-src")
+      set(CPACK_PACKAGE_DIRECTORY "${CMAKE_BINARY_DIR}/dist")
+      include(CPack)
+    endif()
+
     if(SDLMIXER_INSTALL_MAN)
         sdl_get_git_revision_hash(SDLMIXER_REVISION)
         SDL_generate_manpages(
diff --git a/build-scripts/pkg-support/android/cmake/SDL3_mixerConfigVersion.cmake.in b/build-scripts/pkg-support/android/cmake/SDL3_mixerConfigVersion.cmake.in
index abb35d1d8..6e65da6fe 100644
--- a/build-scripts/pkg-support/android/cmake/SDL3_mixerConfigVersion.cmake.in
+++ b/build-scripts/pkg-support/android/cmake/SDL3_mixerConfigVersion.cmake.in
@@ -1,5 +1,5 @@
-# SDL_image CMake version configuration file:
-# This file is meant to be placed in a lib/cmake/SDL3_image subfolder of a reconstructed Android SDL3_image SDK
+# SDL3_mixer CMake version configuration file:
+# This file is meant to be placed in a lib/cmake/SDL3_mixer subfolder of a reconstructed Android SDL3_mixer SDK
 
 set(PACKAGE_VERSION "@<@PROJECT_VERSION@>@")
 
diff --git a/cmake/CPackProjectConfig.cmake.in b/cmake/CPackProjectConfig.cmake.in
new file mode 100644
index 000000000..4c7ce7d56
--- /dev/null
+++ b/cmake/CPackProjectConfig.cmake.in
@@ -0,0 +1,37 @@
+if(CPACK_PACKAGE_FILE_NAME MATCHES ".*-src$")
+    message(FATAL_ERROR "Creating source archives is not supported.")
+endif()
+
+set(PROJECT_NAME "@PROJECT_NAME@")
+set(PROJECT_VERSION "@PROJECT_VERSION@")
+set(PROJECT_SOURCE_DIR "@PROJECT_SOURCE_DIR@")
+set(SDL_CMAKE_PLATFORM "@SDL_CMAKE_PLATFORM@")
+set(SDL_CPU_NAMES "@SDL_CPU_NAMES@")
+list(SORT SDL_CPU_NAMES)
+
+string(TOLOWER "${SDL_CMAKE_PLATFORM}" SDL_CMAKE_PLATFORM)
+string(TOLOWER "${SDL_CPU_NAMES}" SDL_CPU_NAMES)
+if(lower_sdl_cmake_platform STREQUAL lower_sdl_cpu_names)
+    set(SDL_CPU_NAMES_WITH_DASHES)
+endif()
+
+string(REPLACE ";" "-" SDL_CPU_NAMES_WITH_DASHES "${SDL_CPU_NAMES}")
+if(SDL_CPU_NAMES_WITH_DASHES)
+    set(SDL_CPU_NAMES_WITH_DASHES "-${SDL_CPU_NAMES_WITH_DASHES}")
+endif()
+
+set(MSVC @MSVC@)
+set(MINGW @MINGW@)
+if(MSVC)
+    set(SDL_CMAKE_PLATFORM "${SDL_CMAKE_PLATFORM}-VC")
+elseif(MINGW)
+    set(SDL_CMAKE_PLATFORM "${SDL_CMAKE_PLATFORM}-mingw")
+endif()
+
+set(CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}-${PROJECT_VERSION}-${SDL_CMAKE_PLATFORM}${SDL_CPU_NAMES_WITH_DASHES}")
+
+if(CPACK_GENERATOR STREQUAL "DragNDrop")
+    set(CPACK_DMG_VOLUME_NAME "@PROJECT_NAME@ @PROJECT_VERSION@")
+    # FIXME: use pre-built/create .DS_Store through AppleScript (CPACK_DMG_DS_STORE/CPACK_DMG_DS_STORE_SETUP_SCRIPT)
+    set(CPACK_DMG_DS_STORE "${PROJECT_SOURCE_DIR}/Xcode/SDL/pkg-support/resources/SDL_DS_Store")
+endif()
diff --git a/cmake/sdlplatform.cmake b/cmake/sdlplatform.cmake
new file mode 100644
index 000000000..ebb2077fb
--- /dev/null
+++ b/cmake/sdlplatform.cmake
@@ -0,0 +1,106 @@
+macro(SDL_DetectCMakePlatform)
+  set(SDL_CMAKE_PLATFORM )
+  # Get the platform
+  if(WIN32)
+    set(SDL_CMAKE_PLATFORM Windows)
+  elseif(PSP)
+    set(SDL_CMAKE_PLATFORM psp)
+  elseif(APPLE)
+    if(CMAKE_SYSTEM_NAME MATCHES ".*Darwin.*")
+      set(SDL_CMAKE_PLATFORM Darwin)
+    elseif(CMAKE_SYSTEM_NAME MATCHES ".*MacOS.*")
+      set(SDL_CMAKE_PLATFORM MacosX)
+    elseif(CMAKE_SYSTEM_NAME MATCHES ".*tvOS.*")
+      set(SDL_CMAKE_PLATFORM tvOS)
+    elseif(CMAKE_SYSTEM_NAME MATCHES ".*iOS.*")
+      set(SDL_CMAKE_PLATFORM iOS)
+    endif()
+  elseif(CMAKE_SYSTEM_NAME MATCHES "Haiku.*")
+    set(SDL_CMAKE_PLATFORM Haiku)
+  elseif(NINTENDO_3DS)
+    set(SDL_CMAKE_PLATFORM n3ds)
+  elseif(PS2)
+    set(SDL_CMAKE_PLATFORM ps2)
+  elseif(VITA)
+    set(SDL_CMAKE_PLATFORM Vita)
+  elseif(CMAKE_SYSTEM_NAME MATCHES ".*Linux")
+    set(SDL_CMAKE_PLATFORM Linux)
+  elseif(CMAKE_SYSTEM_NAME MATCHES "kFreeBSD.*")
+    set(SDL_CMAKE_PLATFORM FreeBSD)
+  elseif(CMAKE_SYSTEM_NAME MATCHES "kNetBSD.*|NetBSD.*")
+    set(SDL_CMAKE_PLATFORM NetBSD)
+  elseif(CMAKE_SYSTEM_NAME MATCHES "kOpenBSD.*|OpenBSD.*")
+    set(SDL_CMAKE_PLATFORM OpenBSD)
+  elseif(CMAKE_SYSTEM_NAME MATCHES ".*GNU.*")
+    set(SDL_CMAKE_PLATFORM GNU)
+  elseif(CMAKE_SYSTEM_NAME MATCHES ".*BSDI.*")
+    set(SDL_CMAKE_PLATFORM BSDi)
+  elseif(CMAKE_SYSTEM_NAME MATCHES "DragonFly.*|FreeBSD")
+    set(SDL_CMAKE_PLATFORM FreeBSD)
+  elseif(CMAKE_SYSTEM_NAME MATCHES "SYSV5.*")
+    set(SDL_CMAKE_PLATFORM SYSV5)
+  elseif(CMAKE_SYSTEM_NAME MATCHES "Solaris.*|SunOS.*")
+    set(SDL_CMAKE_PLATFORM Solaris)
+  elseif(CMAKE_SYSTEM_NAME MATCHES "HP-UX.*")
+    set(SDL_CMAKE_PLATFORM HPUX)
+  elseif(CMAKE_SYSTEM_NAME MATCHES "AIX.*")
+    set(SDL_CMAKE_PLATFORM AIX)
+  elseif(CMAKE_SYSTEM_NAME MATCHES "Minix.*")
+    set(SDL_CMAKE_PLATFORM Minix)
+  elseif(CMAKE_SYSTEM_NAME MATCHES "Android.*")
+    set(SDL_CMAKE_PLATFORM Android)
+  elseif(CMAKE_SYSTEM_NAME MATCHES "Emscripten.*")
+    set(SDL_CMAKE_PLATFORM Emscripten)
+  elseif(CMAKE_SYSTEM_NAME MATCHES "QNX.*")
+    set(SDL_CMAKE_PLATFORM QNX)
+  elseif(CMAKE_SYSTEM_NAME MATCHES "BeOS.*")
+    message(FATAL_ERROR "BeOS support has been removed as of SDL 2.0.2.")
+  endif()
+
+  if(SDL_CMAKE_PLATFORM)
+    string(TOUPPER "${SDL_CMAKE_PLATFORM}" _upper_platform)
+    set(${_upper_platform} TRUE)
+  else()
+    set(SDL_CMAKE_PLATFORM} "unknown")
+  endif()
+endmacro()
+
+function(SDL_DetectCPUArchitecture)
+  set(sdl_cpu_names)
+  if(APPLE AND CMAKE_OSX_ARCHITECTURES)
+    foreach(osx_arch ${CMAKE_OSX_ARCHITECTURES})
+      if(osx_arch STREQUAL "x86_64")
+        list(APPEND sdl_cpu_names "x64")
+      elseif(osx_arch STREQUAL "arm64")
+        list(APPEND sdl_cpu_names "arm64")
+      endif()
+    endforeach()
+  endif()
+
+  set(sdl_known_archs x64 x86 arm64 arm32 emscripten powerpc64 powerpc32 loongarch64)
+  if(NOT sdl_cpu_names)
+    set(found FALSE)
+    foreach(sdl_known_arch ${sdl_known_archs})
+      if(NOT found)
+        string(TOUPPER "${sdl_known_arch}" sdl_known_arch_upper)
+        set(var_name "SDL_CPU_${sdl_known_arch_upper}")
+        check_cpu_architecture(${sdl_known_arch} ${var_name})
+        if(${var_name})
+          list(APPEND sdl_cpu_names ${sdl_known_arch})
+          set(found TRUE)
+        endif()
+      endif()
+    endforeach()
+  endif()
+
+  foreach(sdl_known_arch ${sdl_known_archs})
+    string(TOUPPER "${sdl_known_arch}" sdl_known_arch_upper)
+    set(var_name "SDL_CPU_${sdl_known_arch_upper}")
+    if(sdl_cpu_names MATCHES "(^|;)${sdl_known_arch}($|;)")  # FIXME: use if(IN_LIST)
+      set(${var_name} 1 PARENT_SCOPE)
+    else()
+      set(${var_name} 0 PARENT_SCOPE)
+    endif()
+  endforeach()
+  set(SDL_CPU_NAMES ${sdl_cpu_names} PARENT_SCOPE)
+endfunction()