build: Fix macOS M1 build entirely (#1480)

.github/workflows/build.yml

@@ -244,9 +244,11 @@ jobs:
         name: macOS DMG${{matrix.suffix}} x86_64
         path: build/*.dmg
 
-  macos-arm64:
+  macos-arm64-build:
     runs-on: ubuntu-22.04
     name: 🍎 macOS 12.1 arm64
+    outputs:
+      IMHEX_VERSION: ${{ steps.build.outputs.IMHEX_VERSION }}
     steps:
     - name: 🧰 Checkout
       uses: actions/checkout@v3
@@ -266,13 +268,15 @@ jobs:
         cache-target: /cache
 
     - name: 🛠️ Build using docker
+      id: build
       run: |
+        echo "IMHEX_VERSION=`cat VERSION`" >> $GITHUB_OUTPUT
         docker buildx build . -f dist/macOS/arm64.Dockerfile --progress=plain --build-arg 'JOBS=4' --build-arg "BUILD_TYPE=$(BUILD_TYPE)" --build-context imhex=$(pwd) --output out
 
     - name: ⬆️ Upload artifacts
       uses: actions/upload-artifact@v4
       with:
-        name: macOS ZIP arm64
+        name: macos_arm64_intermediate
         path: out/
 
       # See https://github.com/actions/cache/issues/342#issuecomment-1711054115
@@ -284,6 +288,55 @@ jobs:
           gh extension install actions/gh-actions-cache
           gh actions-cache delete "build-macos-arm64-cache" --confirm || true
 
+  macos-arm64-package:
+    runs-on: macos-12
+    name: 🍎 macOS 12.1 arm64 Packaging
+    needs: macos-arm64-build
+    env:
+      IMHEX_VERSION: ${{ needs.macos-arm64-build.outputs.IMHEX_VERSION }}
+    steps:
+      - name: ⬇️ Download artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: macos_arm64_intermediate
+          path: out
+
+      - name: 🗑️ Delete artifact
+        uses: geekyeggo/delete-artifact@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          name: macos_arm64_intermediate
+
+      - name: ✒️ Fix Signature
+        run: |
+          set -x
+          cd out
+          codesign --remove-signature ImHex.app
+          codesign --force --deep --sign - ImHex.app
+
+      - name: 📁 Fix permissions
+        run: |
+          set -x
+          cd out
+          chmod -R 755 ImHex.app/
+
+      - name: 📦 Create DMG
+        run: |
+          set -x
+          mkdir bundle
+          mv out/ImHex.app bundle
+          cd bundle
+          ln -s /Applications Applications
+          cd ..
+          hdiutil create -volname "ImHex" -srcfolder bundle -ov -format UDZO imhex-${{env.IMHEX_VERSION}}-macOS-arm64.dmg
+
+      - name: ⬆️ Upload DMG
+        uses: actions/upload-artifact@v4
+        with:
+          if-no-files-found: error
+          name: macOS DMG arm64
+          path: ./*.dmg
+  
   # Ubuntu build
   ubuntu:
     strategy:

cmake/build_helpers.cmake

@@ -111,8 +111,9 @@ macro(configurePackingResources)
             )
             set(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/resources/dist/windows/LICENSE.rtf")
         endif()
-    elseif (APPLE)
+    elseif (APPLE OR ${CMAKE_HOST_SYSTEM_NAME} MATCHES "Darwin")
         set(IMHEX_ICON "${IMHEX_BASE_FOLDER}/resources/dist/macos/AppIcon.icns")
+        set(BUNDLE_NAME "imhex.app")
 
         if (IMHEX_GENERATE_PACKAGE)
             set(APPLICATION_TYPE MACOSX_BUNDLE)
@@ -129,9 +130,9 @@ macro(configurePackingResources)
             string(TIMESTAMP CURR_YEAR "%Y")
             set(MACOSX_BUNDLE_COPYRIGHT "Copyright © 2020 - ${CURR_YEAR} WerWolv. All rights reserved." )
             if ("${CMAKE_GENERATOR}" STREQUAL "Xcode")
-                set (IMHEX_BUNDLE_PATH "${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE}/imhex.app")
+                set (IMHEX_BUNDLE_PATH "${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE}/${BUNDLE_NAME}")
             else ()
-                set (IMHEX_BUNDLE_PATH "${CMAKE_BINARY_DIR}/imhex.app")
+                set (IMHEX_BUNDLE_PATH "${CMAKE_BINARY_DIR}/${BUNDLE_NAME}")
             endif()
 
             set(PLUGINS_INSTALL_LOCATION "${IMHEX_BUNDLE_PATH}/Contents/MacOS/plugins")
@@ -235,7 +236,8 @@ macro(createPackage)
 
     endif()
 
-    if (IMHEX_GENERATE_PACKAGE AND APPLE)
+    if (APPLE)
+        if (IMHEX_GENERATE_PACKAGE)
             include(PostprocessBundle)
 
             set_target_properties(libimhex PROPERTIES SOVERSION ${IMHEX_VERSION})
@@ -253,9 +255,6 @@ macro(createPackage)
 
             install(FILES ${IMHEX_ICON} DESTINATION "${IMHEX_BUNDLE_PATH}/Contents/Resources")
             install(TARGETS main BUNDLE DESTINATION ".")
-        install(TARGETS updater BUNDLE DESTINATION ".")
-        install(FILES $<TARGET_FILE:main> DESTINATION "${IMHEX_BUNDLE_PATH}")
-        install(FILES $<TARGET_FILE:updater> DESTINATION "${IMHEX_BUNDLE_PATH}")
 
             # Update library references to make the bundle portable
             postprocess_bundle(imhex_all main)
@@ -264,7 +263,14 @@ macro(createPackage)
             set(CPACK_GENERATOR "DragNDrop")
 
             set(CPACK_BUNDLE_ICON "${CMAKE_SOURCE_DIR}/resources/dist/macos/AppIcon.icns")
-        set(CPACK_BUNDLE_PLIST "${CMAKE_BINARY_DIR}/imhex.app/Contents/Info.plist")
+            set(CPACK_BUNDLE_PLIST "${CMAKE_BINARY_DIR}/${BUNDLE_NAME}/Contents/Info.plist")
+        endif()
+
+        # Sign the bundle
+        find_program(CODESIGN_PATH codesign)
+        if (CODESIGN_PATH)
+            add_custom_command(TARGET imhex_all POST_BUILD COMMAND ${CODESIGN_PATH} --force --deep --sign - ${CMAKE_BINARY_DIR}/${BUNDLE_NAME})
+        endif()
     else()
         install(TARGETS main RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
         if (TARGET updater)
@@ -703,7 +709,7 @@ function(generateSDKDirectory)
     if (WIN32)
         set(SDK_PATH "./sdk")
     elseif (APPLE)
-        set(SDK_PATH "imhex.app/Contents/Resources/sdk")
+        set(SDK_PATH "${BUNDLE_NAME}/Contents/Resources/sdk")
     else()
         set(SDK_PATH "share/imhex/sdk")
     endif()

dist/macOS/arm64.Dockerfile

@@ -149,6 +149,7 @@ RUN --mount=type=cache,target=/cache --mount=type=cache,target=/mnt/ImHex/build/
         -DIMHEX_GENERATE_PACKAGE=ON -DCMAKE_BUILD_TYPE=$BUILD_TYPE \
         `# other flags` \
         -DIMHEX_STRICT_WARNINGS=OFF \
+        -DCMAKE_INSTALL_PREFIX=/mnt/ImHex/build/install \
         -B build
 ## Build ImHex
 RUN --mount=type=cache,target=/cache --mount=type=cache,target=/mnt/ImHex/build/_deps <<EOF
@@ -156,11 +157,11 @@ RUN --mount=type=cache,target=/cache --mount=type=cache,target=/mnt/ImHex/build/
     set -xe
 
     cd /mnt/ImHex
-    cmake --build build --parallel $JOBS
+    cmake --build build --parallel $JOBS --target install
 
     ccache -s
 EOF
 
 
 FROM scratch
-COPY --from=build /mnt/ImHex/build/imhex.app imhex.app
+COPY --from=build /mnt/ImHex/build/install/imhex.app ImHex.app

lib/libimhex/include/hex/plugin.hpp

@@ -32,6 +32,10 @@
         hex::log::info("Library plugin '{}' initialized successfully", WOLV_STRINGIFY(IMHEX_PLUGIN_NAME));          \
         return 0;                                                                                                   \
     }();                                                                                                            \
+    IMHEX_PLUGIN_VISIBILITY_PREFIX void setImGuiContext(ImGuiContext *ctx) {                                        \
+        ImGui::SetCurrentContext(ctx);                                                                              \
+        GImGui = ctx;                                                                                               \
+    }                                                                                                               \
     extern "C" [[gnu::visibility("default")]] void WOLV_TOKEN_CONCAT(forceLinkPlugin_, IMHEX_PLUGIN_NAME)() {       \
         hex::PluginManager::addPlugin(hex::PluginFunctions {                                                        \
             nullptr,                                                                                                \
@@ -40,7 +44,7 @@
             nullptr,                                                                                                \
             nullptr,                                                                                                \
             nullptr,                                                                                                \
-            nullptr,                                                                                                \
+            setImGuiContext,                                                                                                \
             nullptr,                                                                                                \
             nullptr                                                                                                 \
         });                                                                                                         \

main/updater/CMakeLists.txt

@@ -1,14 +1,21 @@
 project(updater)
 
-add_executable(updater ${APPLICATION_TYPE}
+add_executable(updater
     source/main.cpp
 )
 
 add_compile_definitions(IMHEX_PROJECT_NAME="${PROJECT_NAME}")
 target_link_libraries(updater PRIVATE libimhex wolv::io ${FMT_LIBRARIES})
-add_dependencies(imhex_all updater)
+add_dependencies(main updater)
+
+if (APPLE)
+    set(OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${BUNDLE_NAME}/Contents/MacOS")
+else ()
+    set(OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}")
+endif()
+
 set_target_properties(updater PROPERTIES
         OUTPUT_NAME "imhex-updater"
-        RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/../..
+        RUNTIME_OUTPUT_DIRECTORY ${OUTPUT_DIRECTORY}
         POSITION_INDEPENDENT_CODE ON
 )