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Add a SWIFT_STDLIB_OS_VERSIONING flag to avoid querying OS version at runtime, use it in the freestanding build (#33791)

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Kuba (Brecka) Mracek
2020-09-11 08:09:14 -07:00
committed by GitHub
parent 9fb7769700
commit aa0f8e670b
8 changed files with 19 additions and 4 deletions
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utils/build-script-impl
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@@ -196,6 +196,7 @@ KNOWN_SETTINGS=(
swift-enable-compatibility-overrides "1" "whether to support back-deploying compatibility fixes for newer apps running on older runtimes"
swift-runtime-macho-no-dyld "0" "whether to build stdlib assuming the runtime environment does not support dynamic modules"
swift-stdlib-single-threaded-runtime "0" "whether to build stdlib as a single-threaded runtime only"
swift-stdlib-os-versioning "1" "whether to build stdlib with availability based on OS versions (Darwin only)"
## FREESTANDING Stdlib Options
swift-freestanding-sdk "" "which SDK to use when building the FREESTANDING stdlib"
@@ -1776,6 +1777,7 @@ for host in "${ALL_HOSTS[@]}"; do
-DSWIFT_STDLIB_SINGLE_THREADED_RUNTIME:BOOL=$(true_false "${SWIFT_STDLIB_SINGLE_THREADED_RUNTIME}")
-DSWIFT_ENABLE_RUNTIME_FUNCTION_COUNTERS:BOOL=$(true_false "${SWIFT_ENABLE_RUNTIME_FUNCTION_COUNTERS}")
-DSWIFT_RUNTIME_MACHO_NO_DYLD:BOOL=$(true_false "${SWIFT_RUNTIME_MACHO_NO_DYLD}")
-DSWIFT_STDLIB_OS_VERSIONING:BOOL=$(true_false "${SWIFT_STDLIB_OS_VERSIONING}")
-DSWIFT_NATIVE_LLVM_TOOLS_PATH:STRING="${native_llvm_tools_path}"
-DSWIFT_NATIVE_CLANG_TOOLS_PATH:STRING="${native_clang_tools_path}"
-DSWIFT_NATIVE_SWIFT_TOOLS_PATH:STRING="${native_swift_tools_path}"