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Swift: expose swift version definitions #13675

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redsun82 wants to merge 1 commit into from
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Swift: expose swift version definitions #13675

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4 changes: 4 additions & 0 deletions swift/third_party/load.bzl
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,10 @@ _swift_arch_map = {
"macOS-X64": "darwin_x86_64",
}

def get_swift_version():
_, version, _ = _swift_prebuilt_version.split("-")
return tuple([int(x) for x in version.split(".")])

def _github_archive(*, name, repository, commit, build_file = None, sha256 = None):
github_name = repository[repository.index("/") + 1:]
maybe(
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19 changes: 17 additions & 2 deletions swift/third_party/swift-llvm-support/BUILD.bazel
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@@ -1,3 +1,5 @@
load("//swift/third_party:load.bzl", "get_swift_version")

package(default_visibility = ["//swift:__subpackages__"])

#TODO we will be introducing universal binaries at a later stage, when we have both architectures prebuilt for macOS
Expand All @@ -12,10 +14,23 @@ _arch_override = {
actual = select({
"@bazel_tools//src/conditions:%s" % arch: "@swift_prebuilt_%s//:%s" % (
_arch_override.get(arch, arch),
name,
name.lstrip("_"),
)
for arch in ("linux", "darwin_x86_64", "darwin_arm64")
}),
)
for name in ("swift-llvm-support", "swift-test-sdk", "swift-resource-dir")
for name in ("_swift-llvm-support", "swift-test-sdk", "swift-resource-dir")
]

_major, _minor, _patch = get_swift_version()

cc_library(
name = "swift-llvm-support",
defines = [
"SWIFT_VERSION=%d" % (_major * 1000000 + _minor * 1000 + _patch),
"SWIFT_VERSION_MAJOR=%d" % _major,
"SWIFT_VERSION_MINOR=%d" % _minor,
"SWIFT_VERSION_PATCH=%d" % _patch,
],
deps = [":_swift-llvm-support"],
)