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[cxx-interop][SwiftCompilerSources] Include Clang headers

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This will allow using Swift headers that include Clang headers from SwiftCompilerSources.

For example, some headers in `swift/Basic` include headers from `clang/Basic`. Currently adding those Swift headers to the modulemap causes a build error.
This commit is contained in:
Egor Zhdan
2022-09-06 14:34:53 +01:00
parent 486dc27e1d
commit e515db9c48
2 changed files with 18 additions and 8 deletions
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24
SwiftCompilerSources/CMakeLists.txt
View File

@@ -160,6 +160,21 @@ function(add_swift_compiler_modules_library name)
if (add_to_syntaxparse)
set(syntaxparse_obj_files ${syntaxparse_obj_files} ${module_obj_file})
endif()
set(c_include_paths
# LLVM modules and headers.
"${LLVM_MAIN_INCLUDE_DIR}"
# Generated LLVM headers.
"${LLVM_INCLUDE_DIR}"
# Clang modules and headers.
${CLANG_INCLUDE_DIRS}
# Bridging modules and headers.
"${SWIFT_MAIN_INCLUDE_DIR}"
# Generated C headers.
"${CMAKE_CURRENT_BINARY_DIR}/../include")
set(c_include_paths_args)
foreach(c_include_path ${c_include_paths})
list(APPEND c_include_paths_args "-Xcc" "-I" "-Xcc" "${c_include_path}")
endforeach()
# Compile the module into an object file
add_custom_command_target(dep_target OUTPUT ${module_obj_file}
@@ -173,14 +188,7 @@ function(add_swift_compiler_modules_library name)
"-emit-module-path" "${build_dir}/${module}.swiftmodule"
"-parse-as-library" ${sources}
"-wmo" ${swift_compile_options}
# LLVM modules and headers.
"-Xcc" "-I" "-Xcc" "${LLVM_MAIN_INCLUDE_DIR}"
# Generated LLVM headers.
"-Xcc" "-I" "-Xcc" "${LLVM_INCLUDE_DIR}"
# Bridging modules and headers.
"-Xcc" "-I" "-Xcc" "${SWIFT_SOURCE_DIR}/include"
# Generated C headers.
"-Xcc" "-I" "-Xcc" "${CMAKE_CURRENT_BINARY_DIR}/../include"
${c_include_paths_args}
# Generated swift modules.
"-I" "${build_dir}"
COMMENT "Building swift module ${module}")

2
SwiftCompilerSources/Package.swift
View File

@@ -22,6 +22,8 @@ private extension Target {
"-Xcc", "-I", "-Xcc", "../include",
// LLVM modules and headers
"-Xcc", "-I", "-Xcc", "../../llvm-project/llvm/include",
// Clang modules and headers
"-Xcc", "-I", "-Xcc", "../../llvm-project/clang/include",
"-cross-module-optimization"
]),
]