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[macros] pass in additional CMAKE_HOST_Swift_FLAGS when building foun… #1

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[macros] pass in additional CMAKE_HOST_Swift_FLAGS when building foun… #1

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a332b7b
FoundationMacros: use cross-compilation to build for host
compnerd Jul 3, 2024
7baf52b
[macros] pass in additional CMAKE_HOST_Swift_FLAGS when building foun…
hyp Jul 29, 2024
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29 changes: 24 additions & 5 deletions Sources/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -12,12 +12,31 @@
##
##===----------------------------------------------------------------------===##

add_subdirectory(_FoundationCShims)

# Disable the macro build on Windows until we can correctly build it for the host architecture
if(NOT CMAKE_SYSTEM_NAME STREQUAL Windows)
add_subdirectory(FoundationMacros)
include(ExternalProject)
if(CMAKE_HOST_WIN32)
set(_flags "-use-ld=lld")
if(DEFINED CMAKE_HOST_Swift_FLAGS)
set(_flags "${_flags} ${CMAKE_HOST_Swift_FLAGS}")
endif()
set(_FoundationMacrosSwiftFlags "-DCMAKE_Swift_FLAGS=${_flags}")
endif()
ExternalProject_Add(FoundationMacros
SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/FoundationMacros"
PREFIX "${CMAKE_BINARY_DIR}/_deps"
BINARY_DIR "macros"
CMAKE_ARGS
-DCMAKE_MAKE_PROGRAM=${CMAKE_MAKE_PROGRAM}
${_FoundationMacrosSwiftFlags}
INSTALL_COMMAND "")
ExternalProject_Get_Property(FoundationMacros BINARY_DIR)
if(CMAKE_HOST_WIN32)
set(_SwiftFoundation_PredicateMacro "${BINARY_DIR}/FoundationMacros.exe#PredicateMacro")
set(_SwiftFoundation_ExpressionMacro "${BINARY_DIR}/FoundationMacros.exe#ExpressionMacro")
else()
set(_SwiftFoundation_PredicateMacro "${BINARY_DIR}/FoundationMacros#PredicateMacro")
set(_SwiftFoundation_ExpressionMacro "${BINARY_DIR}/FoundationMacros#ExpressionMacro")
endif()

add_subdirectory(_FoundationCShims)
add_subdirectory(FoundationEssentials)
add_subdirectory(FoundationInternationalization)
17 changes: 16 additions & 1 deletion Sources/FoundationMacros/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -12,10 +12,25 @@
##
##===----------------------------------------------------------------------===##

cmake_minimum_required(VERSION 3.22)

if(POLICY CMP0156)
# Deduplicate linked libraries where appropriate
cmake_policy(SET CMP0156 NEW)
endif()
if(POLICY CMP0157)
# New Swift build model: improved incremental build performance and LSP support
cmake_policy(SET CMP0157 NEW)
endif()

project(FoundationMacros
LANGUAGES Swift)

# SwiftSyntax Dependency
include(FetchContent)
find_package(SwiftSyntax)
if(NOT SwiftSyntax_FOUND)
include(FetchContent)

# If building at desk, check out and link against the SwiftSyntax repo's targets
FetchContent_Declare(SwiftSyntax
GIT_REPOSITORY https://github.com/swiftlang/swift-syntax.git
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