build: Windows bootstrapping support

Runtimes/Core/Core/CMakeLists.txt

@@ -353,16 +353,25 @@ target_link_libraries(swiftCore
     swiftRuntimeCoreCMakeConfig)
 
 string(TOLOWER "${SwiftCore_OBJECT_FORMAT}" SwiftCore_OBJECT_FORMAT_lc)
+# Runtime clients need the Swift image-registration object on their link lines
+# (on COFF this supplies pSwiftImageConstructor and the .sw5* section ranges).
+# CMake propagates usage requirements for an OBJECT library that appears in an
+# INTERFACE_LINK_LIBRARIES chain, but it does not also add the object's payload to
+# the final link line. Keep the swiftrt target for its usage requirements, and
+# explicitly propagate the object payload through swiftCore's interface.
 if("${SwiftCore_OBJECT_FORMAT_lc}" STREQUAL "elf")
   target_link_libraries(swiftCore INTERFACE
-    swiftrt)
+    swiftrt
+    $<TARGET_OBJECTS:swiftrt>)
 elseif("${SwiftCore_OBJECT_FORMAT_lc}" STREQUAL "coff")
   if(BUILD_SHARED_LIBS)
     target_link_libraries(swiftCore INTERFACE
-      swiftrt)
+      swiftrt
+      $<TARGET_OBJECTS:swiftrt>)
   else()
     target_link_libraries(swiftCore INTERFACE
-      swiftrtT)
+      swiftrtT
+      $<TARGET_OBJECTS:swiftrtT>)
   endif()
 endif()
 

Runtimes/Overlay/Android/Android/CMakeLists.txt

@@ -27,5 +27,3 @@ install(TARGETS swiftAndroid
   RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
 emit_swift_interface(swiftAndroid)
 install_swift_interface(swiftAndroid)
-
-embed_manifest(swiftAndroid)

Runtimes/Overlay/Android/Math/CMakeLists.txt

@@ -15,5 +15,3 @@ install(TARGETS swift_math
   RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
 emit_swift_interface(swift_math)
 install_swift_interface(swift_math)
-
-embed_manifest(swift_math)

Runtimes/Overlay/Linux/glibc/CMakeLists.txt

@@ -32,4 +32,3 @@ install(TARGETS swiftGlibc
   RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
 emit_swift_interface(swiftGlibc)
 install_swift_interface(swiftGlibc)
-embed_manifest(swiftGlibc)

Runtimes/Supplemental/StackWalker/CMakeLists.txt

@@ -30,6 +30,7 @@ find_package(SwiftDarwin)
 endif()
 
 include(GNUInstallDirs)
+include(ResourceEmbedding)
 
 # NOTE: we disable availability checking because we need to use code from the
 # RuntimeModule, but we also need to build with an availability version below
@@ -92,3 +93,4 @@ target_link_libraries(swift-backtrace PRIVATE
 
 install(TARGETS swift-backtrace
   RUNTIME DESTINATION "${CMAKE_INSTALL_LIBEXECDIR}/swift")
+embed_version_info(swift-backtrace)

Runtimes/cmake/modules/ResourceEmbedding.cmake

@@ -30,41 +30,186 @@ function(generate_plist project_name project_version target)
   endif()
 endfunction()
 
-# FIXME: it appears that `CMAKE_MT` evaluates to an empty string which prevents
-# the use of the variable. This aliases `MT` to `CMAKE_MT` and tries to fallback
-# to known spellings for the tool.
-if(WIN32 AND BUILD_SHARED_LIBS)
-  find_program(MT HINTS ${CMAKE_MT} NAMES mt llvm-mt REQUIRED)
-endif()
+function(embed_version_info target)
+  if(NOT WIN32)
+    return()
+  endif()
+
+  get_target_property(_EM_TARGET_TYPE ${target} TYPE)
+  if(NOT "${_EM_TARGET_TYPE}" MATCHES "SHARED_LIBRARY|EXECUTABLE")
+    return()
+  endif()
+
+  cmake_parse_arguments(PARSE_ARGV 1 _EVI
+    ""
+    "FILE_DESCRIPTION;INTERNAL_NAME;ORIGINAL_FILENAME;PRODUCT_NAME"
+    "")
+
+  if(NOT _EVI_INTERNAL_NAME)
+    set(_EVI_INTERNAL_NAME "${target}")
+  endif()
+  if(NOT _EVI_FILE_DESCRIPTION)
+    set(_EVI_FILE_DESCRIPTION "${_EVI_INTERNAL_NAME}")
+  endif()
+  if(NOT _EVI_PRODUCT_NAME)
+    set(_EVI_PRODUCT_NAME "Swift")
+  endif()
+  if(NOT _EVI_ORIGINAL_FILENAME)
+    set(_EVI_ORIGINAL_FILENAME "$<TARGET_FILE_NAME:${target}>")
+  endif()
+
+  get_target_property(_EVI_BINARY_DIR ${target} BINARY_DIR)
+  get_target_property(_EVI_NAME ${target} NAME)
+
+  # Pad the project version to a four-part `MAJOR.MINOR.PATCH.TWEAK`
+  string(REGEX MATCHALL "[0-9]+" version_parts "${PROJECT_VERSION}")
+  list(LENGTH version_parts version_part_count)
+  while(version_part_count LESS 4)
+    list(APPEND version_parts "0")
+    math(EXPR version_part_count "${version_part_count} + 1")
+  endwhile()
+  list(GET version_parts 0 _EVI_VERSION_MAJOR)
+  list(GET version_parts 1 _EVI_VERSION_MINOR)
+  list(GET version_parts 2 _EVI_VERSION_PATCH)
+  list(GET version_parts 3 _EVI_VERSION_TWEAK)
+  set(_EVI_VERSION_STRING "${_EVI_VERSION_MAJOR}.${_EVI_VERSION_MINOR}.${_EVI_VERSION_PATCH}.${_EVI_VERSION_TWEAK}")
+
+  file(CONFIGURE
+    OUTPUT ${_EVI_BINARY_DIR}/${_EVI_NAME}.rc.in
+    CONTENT [[
+1 VERSIONINFO
+FILEVERSION    @_EVI_VERSION_MAJOR@,@_EVI_VERSION_MINOR@,@_EVI_VERSION_PATCH@,@_EVI_VERSION_TWEAK@
+PRODUCTVERSION @_EVI_VERSION_MAJOR@,@_EVI_VERSION_MINOR@,@_EVI_VERSION_PATCH@,@_EVI_VERSION_TWEAK@
+BEGIN
+  BLOCK "StringFileInfo"
+  BEGIN
+    // U.S. English (LangID 0x0409), UTF-8 (CP 65001)
+    BLOCK "0409FDE9"
+    BEGIN
+      VALUE "CompanyName",      "Swift Open Source Project"
+      VALUE "FileDescription",  "@_EVI_FILE_DESCRIPTION@"
+      VALUE "FileVersion",      "@_EVI_VERSION_STRING@"
+      VALUE "InternalName",     "@_EVI_INTERNAL_NAME@"
+      VALUE "LegalCopyright",   "Copyright (c) Apple Inc. and the Swift project authors. Licensed under Apache License v2.0 with Runtime Library Exception."
+      VALUE "OriginalFilename", "@_EVI_ORIGINAL_FILENAME@"
+      VALUE "ProductName",      "@_EVI_PRODUCT_NAME@"
+      VALUE "ProductVersion",   "@_EVI_VERSION_STRING@"
+    END
+  END
+
+  BLOCK "VarFileInfo"
+  BEGIN
+    // Translation must match the StringFileInfo BLOCK key above.
+    VALUE "Translation", 0x0409, 0xFDE9
+  END
+END
+    ]])
+  file(GENERATE
+    OUTPUT ${_EVI_BINARY_DIR}/${_EVI_NAME}.rc
+    INPUT ${_EVI_BINARY_DIR}/${_EVI_NAME}.rc.in)
+  target_sources(${target} PRIVATE
+    ${_EVI_BINARY_DIR}/${_EVI_NAME}.rc)
+endfunction()
 
 function(embed_manifest target)
+  if(NOT WIN32)
+    return()
+  endif()
+
   get_target_property(_EM_TARGET_TYPE ${target} TYPE)
   if(NOT "${_EM_TARGET_TYPE}" MATCHES "SHARED_LIBRARY|EXECUTABLE")
     return()
   endif()
 
+  cmake_parse_arguments(PARSE_ARGV 1 _EM
+    ""
+    "FILE_DESCRIPTION;INTERNAL_NAME;ORIGINAL_FILENAME;PRODUCT_NAME"
+    "")
+
+  if(NOT _EM_INTERNAL_NAME)
+    set(_EM_INTERNAL_NAME "${target}")
+  endif()
+  if(NOT _EM_FILE_DESCRIPTION)
+    set(_EM_FILE_DESCRIPTION "${_EM_INTERNAL_NAME}")
+  endif()
+  if(NOT _EM_PRODUCT_NAME)
+    set(_EM_PRODUCT_NAME "Swift")
+  endif()
+  if(NOT _EM_ORIGINAL_FILENAME)
+    set(_EM_ORIGINAL_FILENAME "$<TARGET_FILE_NAME:${target}>")
+  endif()
+
   get_target_property(_EM_BINARY_DIR ${target} BINARY_DIR)
   get_target_property(_EM_NAME ${target} NAME)
 
+  # Pad the project version to a four-part `MAJOR.MINOR.PATCH.TWEAK`
+  string(REGEX MATCHALL "[0-9]+" version_parts "${PROJECT_VERSION}")
+  list(LENGTH version_parts version_part_count)
+  while(version_part_count LESS 4)
+    list(APPEND version_parts "0")
+    math(EXPR version_part_count "${version_part_count} + 1")
+  endwhile()
+  list(GET version_parts 0 _EM_VERSION_MAJOR)
+  list(GET version_parts 1 _EM_VERSION_MINOR)
+  list(GET version_parts 2 _EM_VERSION_PATCH)
+  list(GET version_parts 3 _EM_VERSION_TWEAK)
+  set(_EM_VERSION_STRING "${_EM_VERSION_MAJOR}.${_EM_VERSION_MINOR}.${_EM_VERSION_PATCH}.${_EM_VERSION_TWEAK}")
+
   # Evaluate variables
   file(CONFIGURE
-    OUTPUT ${_EM_BINARY_DIR}/${_EM_NAME}-${PROJECT_VERSION}.1.manifest.in
+    OUTPUT ${_EM_BINARY_DIR}/${_EM_NAME}-${_EM_VERSION_STRING}.1.manifest.in
     CONTENT [[<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<assembly manifestversion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
   <assemblyIdentity
     name="$<TARGET_NAME:@target@>"
     processorArchitecture="@CMAKE_SYSTEM_PROCESSOR@"
     type="win32"
-    version="@PROJECT_VERSION@" />
+    version="@_EM_VERSION_STRING@" />
   <file name="$<TARGET_FILE_NAME:@target@>" />
 </assembly>]])
   # Evaluate generator expression
   file(GENERATE
-    OUTPUT ${_EM_BINARY_DIR}/${_EM_NAME}-${PROJECT_VERSION}.1.manifest
-    INPUT ${_EM_BINARY_DIR}/${_EM_NAME}-${PROJECT_VERSION}.1.manifest.in)
+    OUTPUT ${_EM_BINARY_DIR}/${_EM_NAME}-${_EM_VERSION_STRING}.1.manifest
+    INPUT ${_EM_BINARY_DIR}/${_EM_NAME}-${_EM_VERSION_STRING}.1.manifest.in)
 
-  if(WIN32)
-    add_custom_command(TARGET ${target} POST_BUILD
-      COMMAND "${MT}" -nologo -manifest "${_EM_BINARY_DIR}/${_EM_NAME}-${PROJECT_VERSION}.1.manifest" "-outputresource:$<TARGET_FILE:${target}>;#1")
-  endif()
+  file(CONFIGURE
+    OUTPUT ${_EM_BINARY_DIR}/${_EM_NAME}.rc.in
+    CONTENT [[
+1 VERSIONINFO
+FILEVERSION    @_EM_VERSION_MAJOR@,@_EM_VERSION_MINOR@,@_EM_VERSION_PATCH@,@_EM_VERSION_TWEAK@
+PRODUCTVERSION @_EM_VERSION_MAJOR@,@_EM_VERSION_MINOR@,@_EM_VERSION_PATCH@,@_EM_VERSION_TWEAK@
+BEGIN
+  BLOCK "StringFileInfo"
+  BEGIN
+    // U.S. English (LangID 0x0409), UTF-8 (CP 65001)
+    BLOCK "0409FDE9"
+    BEGIN
+      VALUE "CompanyName",      "Swift Open Source Project"
+      VALUE "FileDescription",  "@_EM_FILE_DESCRIPTION@"
+      VALUE "FileVersion",      "@_EM_VERSION_STRING@"
+      VALUE "InternalName",     "@_EM_INTERNAL_NAME@"
+      VALUE "LegalCopyright",   "Copyright (c) Apple Inc. and the Swift project authors. Licensed under Apache License v2.0 with Runtime Library Exception."
+      VALUE "OriginalFilename", "@_EM_ORIGINAL_FILENAME@"
+      VALUE "ProductName",      "@_EM_PRODUCT_NAME@"
+      VALUE "ProductVersion",   "@_EM_VERSION_STRING@"
+    END
+  END
+
+  BLOCK "VarFileInfo"
+  BEGIN
+    // Translation must match the StringFileInfo BLOCK key above.
+    VALUE "Translation", 0x0409, 0xFDE9
+  END
+END
+
+LANGUAGE 0, 0
+1 RT_MANIFEST "@_EM_NAME@-@_EM_VERSION_STRING@.1.manifest"
+    ]])
+  file(GENERATE
+    OUTPUT ${_EM_BINARY_DIR}/${_EM_NAME}.rc
+    INPUT ${_EM_BINARY_DIR}/${_EM_NAME}.rc.in)
+  target_sources(${target} PRIVATE
+    ${_EM_BINARY_DIR}/${_EM_NAME}.rc)
+  target_link_options(${target} PRIVATE
+    $<$<PLATFORM_ID:Windows>:LINKER:/MANIFEST:NO>)
 endfunction()

cmake/caches/Windows-Bootstrap-Core.cmake

@@ -0,0 +1,53 @@
+set(LLVM_EXTERNAL_PROJECTS
+      swift
+    CACHE STRING "")
+
+set(LLVM_ENABLE_RUNTIMES "" CACHE STRING "")
+
+set(ENABLE_X86_RELAX_RELOCATIONS YES CACHE BOOL "")
+
+set(LLVM_APPEND_VC_REV NO CACHE BOOL "")
+set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR YES CACHE BOOL "")
+set(LLVM_ENABLE_PYTHON NO CACHE BOOL "")
+
+set(LLVM_BUILD_LLVM_DYLIB NO CACHE BOOL "")
+set(LLVM_BUILD_LLVM_C_DYLIB NO CACHE BOOL "")
+set(LLVM_ENABLE_LIBEDIT NO CACHE BOOL "")
+set(LLVM_ENABLE_LIBXML2 YES CACHE BOOL "")
+set(LLVM_ENABLE_OCAMLDOC NO CACHE BOOL "")
+set(LLVM_ENABLE_TERMINFO NO CACHE BOOL "")
+set(LLVM_ENABLE_Z3_SOLVER NO CACHE BOOL "")
+set(LLVM_ENABLE_ZLIB NO CACHE BOOL "")
+set(LLVM_INCLUDE_BENCHMARKS NO CACHE BOOL "")
+set(LLVM_INCLUDE_DOCS NO CACHE BOOL "")
+set(LLVM_INCLUDE_EXAMPLES NO CACHE BOOL "")
+set(LLVM_INCLUDE_GO_TESTS NO CACHE BOOL "")
+set(LLVM_INCLUDE_TESTS NO CACHE BOOL "")
+set(LLVM_TOOL_GOLD_BUILD NO CACHE BOOL "")
+set(LLVM_TOOL_LLVM_SHLIB_BUILD NO CACHE BOOL "")
+
+set(CLANG_ENABLE_LIBXML2 NO CACHE BOOL "")
+set(CLANG_INCLUDE_TESTS NO CACHE BOOL "")
+set(LLD_INCLUDE_TESTS NO CACHE BOOL "")
+
+set(SWIFT_INCLUDE_DOCS NO CACHE BOOL "")
+set(SWIFT_BUILD_ENABLE_PARSER_LIB YES CACHE BOOL "")
+set(SWIFT_BUILD_REMOTE_MIRROR NO CACHE BOOL "")
+set(SWIFT_BUILD_SOURCEKIT NO CACHE BOOL "")
+set(SWIFT_ENABLE_DISPATCH NO CACHE BOOL "")
+set(SWIFT_BUILD_STDLIB_EXTRA_TOOLCHAIN_CONTENT NO CACHE BOOL "")
+set(SWIFT_BUILD_STDLIB_CXX_MODULE NO CACHE BOOL "")
+set(SWIFT_BUILD_STATIC_STDLIB NO CACHE BOOL "")
+set(SWIFT_BUILD_STATIC_SDK_OVERLAY NO CACHE BOOL "")
+set(SWIFT_ENABLE_SOURCEKIT_TESTS NO CACHE BOOL "")
+set(SWIFT_INCLUDE_TESTS NO CACHE BOOL "")
+set(SWIFT_INCLUDE_TEST_BINARIES NO CACHE BOOL "")
+
+set(LLVM_INSTALL_BINUTILS_SYMLINKS NO CACHE BOOL "")
+set(LLVM_INSTALL_TOOLCHAIN_ONLY YES CACHE BOOL "")
+
+set(CLANG_TOOLS
+      clang
+      clang-resource-headers
+      clang-scan-deps
+    CACHE STRING "")

cmake/caches/Windows-Bootstrap-Stage0-aarch64.cmake

@@ -0,0 +1,4 @@
+include("${CMAKE_CURRENT_LIST_DIR}/Windows-Bootstrap-Stage0.cmake")
+
+set(LLVM_DEFAULT_TARGET_TRIPLE aarch64-unknown-windows-msvc CACHE STRING "")
+set(LLVM_TARGETS_TO_BUILD AArch64 CACHE STRING "")

cmake/caches/Windows-Bootstrap-Stage0-x86_64.cmake

@@ -0,0 +1,4 @@
+include("${CMAKE_CURRENT_LIST_DIR}/Windows-Bootstrap-Stage0.cmake")
+
+set(LLVM_DEFAULT_TARGET_TRIPLE x86_64-unknown-windows-msvc CACHE STRING "")
+set(LLVM_TARGETS_TO_BUILD X86 CACHE STRING "")

cmake/caches/Windows-Bootstrap-Stage0.cmake

@@ -0,0 +1,26 @@
+include("${CMAKE_CURRENT_LIST_DIR}/Windows-Bootstrap-Core.cmake")
+
+set(LLVM_ENABLE_PROJECTS
+      clang
+      lld
+    CACHE STRING "")
+
+set(LLVM_TOOLCHAIN_TOOLS "" CACHE STRING "")
+
+set(LLD_TOOLS
+      lld
+    CACHE STRING "")
+
+set(SWIFT_INSTALL_COMPONENTS
+      compiler
+      compiler-swift-syntax-lib
+      swift-syntax-lib
+      clang-builtin-headers
+    CACHE STRING "")
+
+set(LLVM_DISTRIBUTION_COMPONENTS
+      ${LLVM_TOOLCHAIN_TOOLS}
+      ${CLANG_TOOLS}
+      ${LLD_TOOLS}
+      ${SWIFT_INSTALL_COMPONENTS}
+    CACHE STRING "")

cmake/caches/Windows-Bootstrap-Stage1-aarch64.cmake

@@ -0,0 +1,3 @@
+include("${CMAKE_CURRENT_LIST_DIR}/Windows-Bootstrap-Stage1.cmake")
+
+set(LLVM_DEFAULT_TARGET_TRIPLE aarch64-unknown-windows-msvc CACHE STRING "")

cmake/caches/Windows-Bootstrap-Stage1-x86_64.cmake

@@ -0,0 +1,3 @@
+include("${CMAKE_CURRENT_LIST_DIR}/Windows-Bootstrap-Stage1.cmake")
+
+set(LLVM_DEFAULT_TARGET_TRIPLE x86_64-unknown-windows-msvc CACHE STRING "")

cmake/caches/Windows-Bootstrap-Stage1.cmake

@@ -0,0 +1,32 @@
+include("${CMAKE_CURRENT_LIST_DIR}/Windows-Bootstrap-Core.cmake")
+
+set(LLVM_ENABLE_PROJECTS
+      clang
+      lld
+    CACHE STRING "")
+
+set(LLVM_TARGETS_TO_BUILD AArch64 ARM WebAssembly X86 CACHE STRING "")
+
+set(LLVM_TOOLCHAIN_TOOLS
+      llvm-ar
+      llvm-ranlib
+    CACHE STRING "")
+
+set(LLD_TOOLS
+      lld
+    CACHE STRING "")
+
+set(SWIFT_INSTALL_COMPONENTS
+      autolink-driver
+      compiler
+      compiler-swift-syntax-lib
+      swift-syntax-lib
+      clang-builtin-headers
+    CACHE STRING "")
+
+set(LLVM_DISTRIBUTION_COMPONENTS
+      ${LLVM_TOOLCHAIN_TOOLS}
+      ${CLANG_TOOLS}
+      ${LLD_TOOLS}
+      ${SWIFT_INSTALL_COMPONENTS}
+    CACHE STRING "")