build: Increment macOS deployment target to 10.15

.github/scripts/build_macos.sh

@@ -10,6 +10,7 @@ pushd build
 # build; pipe output to render warnings neatly
 xcodebuild -configuration RelWithDebInfo \
             DEBUG_INFORMATION_FORMAT="dwarf-with-dsym" \
+            -parallelizeTargets \
             2>&1 | xcbeautify --renderer github-actions
 
 popd

CMakePresets.json

@@ -81,7 +81,7 @@
       "binaryDir": "${sourceDir}/build",
       "cacheVariables": {
         "CMAKE_OSX_ARCHITECTURES": {"type": "STRING", "value": "x86_64;arm64"},
-        "CMAKE_OSX_DEPLOYMENT_TARGET": {"type": "STRING", "value": "10.13"},
+        "CMAKE_OSX_DEPLOYMENT_TARGET": {"type": "STRING", "value": "10.15"},
         "ARES_CODESIGN_IDENTITY": {"type": "STRING", "value": "$penv{MACOS_CERTIFICATE_NAME}"},
         "ARES_CODESIGN_TEAM": {"type": "STRING", "value": "$penv{MACOS_NOTARIZATION_TEAMID}"},
         "ENABLE_CCACHE": true,

cmake/common/osconfig.cmake

@@ -11,7 +11,9 @@ elseif(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
   set(CMAKE_CXX_EXTENSIONS FALSE)
   list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/macos")
   if(NOT DEFINED ENV{MACOSX_DEPLOYMENT_TARGET})
-    set(CMAKE_OSX_DEPLOYMENT_TARGET 10.13)
+    if(NOT DEFINED CMAKE_OSX_DEPLOYMENT_TARGET OR ("${CMAKE_OSX_DEPLOYMENT_TARGET}" STREQUAL ""))
+      set(CMAKE_OSX_DEPLOYMENT_TARGET 10.15)
+    endif()
   endif()
   set(OS_MACOS TRUE)
 elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|FreeBSD|OpenBSD")

cmake/finders/FindMoltenVK.cmake

@@ -87,7 +87,10 @@ if(MoltenVK_FOUND)
     endif()
     set_target_properties(
       MoltenVK::MoltenVK
-      PROPERTIES INTERFACE_COMPILE_OPTIONS "${PC_MoltenVK_CFLAGS_OTHER}" VERSION ${MoltenVK_VERSION}
+      PROPERTIES
+        INTERFACE_COMPILE_OPTIONS "${PC_MoltenVK_CFLAGS_OTHER}"
+        VERSION ${MoltenVK_VERSION}
+        MACOS_VERSION_REQUIRED 10.15
     )
   endif()
 endif()

cmake/finders/Findlibrashader.cmake

@@ -108,6 +108,8 @@ if(librashader_FOUND AND ARES_ENABLE_LIBRASHADER)
   if(NOT TARGET librashader::librashader)
     add_library(librashader::librashader UNKNOWN IMPORTED)
     set_property(TARGET librashader::librashader PROPERTY IMPORTED_LOCATION "${librashader_LIBRARY}")
+    # cargo does not set the minimum version correctly in the dylib, so manually define librashader's actual system requirement
+    set_property(TARGET librashader::librashader PROPERTY MACOS_VERSION_REQUIRED 10.15)
 
     librashader_set_soname()
     set_target_properties(

cmake/finders/Findslang_shaders.cmake

@@ -57,7 +57,7 @@ mark_as_advanced(slang_shaders_LOCATION)
 if(NOT TARGET libretro::slang_shaders)
   if(slang_shaders_LOCATION)
     add_library(slang_shaders INTERFACE)
-    set_target_properties(slang_shaders PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${slang_shaders_LOCATION}")
+    set_target_properties(slang_shaders PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${slang_shaders_LOCATION}" MACOS_VERSION_REQUIRED 10.15)
     add_library(libretro::slang_shaders ALIAS slang_shaders)
   endif()
 endif()

cmake/macos/helpers.cmake

@@ -22,7 +22,6 @@ function(ares_configure_executable target)
   get_target_property(target_type ${target} TYPE)
 
   if(target_type STREQUAL EXECUTABLE)
-
     get_target_property(is_bundle ${target} MACOSX_BUNDLE)
     get_target_property(target_output_name ${target} OUTPUT_NAME)
     if(is_bundle)
@@ -109,10 +108,15 @@ function(_bundle_dependencies target)
       endforeach()
       cmake_path(IS_PREFIX system_library_path "${imported_location}" is_system_framework)
 
+      unset(_required_macos)
+      get_target_property(_required_macos ${library} MACOS_VERSION_REQUIRED)
+
       if(is_system_framework OR is_xcode_framework)
         continue()
       elseif(is_framework)
         file(REAL_PATH "../../.." library_location BASE_DIRECTORY "${imported_location}")
+      elseif(_required_macos VERSION_GREATER CMAKE_OSX_DEPLOYMENT_TARGET)
+        continue()
       elseif(NOT library_type STREQUAL "STATIC_LIBRARY")
         if(NOT imported_location MATCHES ".+\\.a")
           set(library_location "${imported_location}")

desktop-ui/cmake/os-macos.cmake

@@ -65,20 +65,24 @@ endfunction()
 # Add slang-shaders as a post-build script so we don't have an exceedingly long "Copy Files" phase
 if(ARES_ENABLE_LIBRASHADER)
   if(TARGET libretro::slang_shaders)
-    add_custom_command(
-      OUTPUT
-        "${CMAKE_CURRENT_BINARY_DIR}/$<IF:$<BOOL:${XCODE}>,$<CONFIG>,>/ares.app/Contents/Resources/Shaders/bilinear.slangp"
-        POST_BUILD
-      COMMAND ditto "${slang_shaders_LOCATION}" "$<TARGET_BUNDLE_CONTENT_DIR:desktop-ui>/Resources/Shaders/"
-      WORKING_DIRECTORY "$<TARGET_BUNDLE_CONTENT_DIR:desktop-ui>"
-      COMMENT "Copying slang shaders to app bundle"
-    )
-    add_custom_target(
-      bundled_shaders
-      DEPENDS
-        "${CMAKE_CURRENT_BINARY_DIR}/$<IF:$<BOOL:${XCODE}>,$<CONFIG>,>/ares.app/Contents/Resources/Shaders/bilinear.slangp"
-    )
-    add_dependencies(desktop-ui bundled_shaders)
+    get_target_property(_required_macos libretro::slang_shaders MACOS_VERSION_REQUIRED)
+    if(_required_macos VERSION_LESS_EQUAL CMAKE_OSX_DEPLOYMENT_TARGET)
+      add_custom_command(
+        OUTPUT
+          "${CMAKE_CURRENT_BINARY_DIR}/$<IF:$<BOOL:${XCODE}>,$<CONFIG>,>/ares.app/Contents/Resources/Shaders/bilinear.slangp"
+          POST_BUILD
+        COMMAND ditto "${slang_shaders_LOCATION}" "$<TARGET_BUNDLE_CONTENT_DIR:desktop-ui>/Resources/Shaders/"
+        WORKING_DIRECTORY "$<TARGET_BUNDLE_CONTENT_DIR:desktop-ui>"
+        COMMENT "Copying slang shaders to app bundle"
+      )
+      add_custom_target(
+        bundled_shaders
+        DEPENDS
+          "${CMAKE_CURRENT_BINARY_DIR}/$<IF:$<BOOL:${XCODE}>,$<CONFIG>,>/ares.app/Contents/Resources/Shaders/bilinear.slangp"
+      )
+      add_dependencies(desktop-ui bundled_shaders)
+    endif()
+    unset(_required_macos)
   endif()
 endif()