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[5.8] [Linux] (Cherry Pick) Merge pull request #64633 from gwynne/patch-2-5.9 #65030

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[5.8] [Linux] (Cherry Pick) Merge pull request #64633 from gwynne/patch-2-5.9 #65030

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59 changes: 48 additions & 11 deletions lib/DriverTool/autolink_extract_main.cpp
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Expand Up @@ -243,15 +243,50 @@ int autolink_extract_main(ArrayRef<const char *> Args, const char *Argv0,
std::vector<std::string> LinkerFlags;

// Keep track of whether we've already added the common
// Swift libraries that ususally have autolink directives
// in most object fiels
std::unordered_map<std::string, bool> SwiftRuntimeLibraries = {
{"-lswiftSwiftOnoneSupport", false},
{"-lswiftCore", false},
{"-lswift_Concurrency", false},
{"-lswift_StringProcessing", false},
{"-lswift_RegexParser", false}
// Swift libraries that usually have autolink directives
// in most object files

std::vector<std::string> SwiftRuntimeLibsOrdered = {
// Common Swift runtime libs
"-lswiftSwiftOnoneSupport",
"-lswiftCore",
"-lswift_Concurrency",
"-lswift_StringProcessing",
"-lswift_RegexBuilder",
"-lswift_RegexParser",
"-lswift_Backtracing",
"-lswiftGlibc",
"-lBlocksRuntime",
// Dispatch-specific Swift runtime libs
"-ldispatch",
"-lDispatchStubs",
"-lswiftDispatch",
// CoreFoundation and Foundation Swift runtime libs
"-lCoreFoundation",
"-lFoundation",
"-lFoundationNetworking",
"-lFoundationXML",
// Foundation support libs
"-lcurl",
"-lxml2",
"-luuid",
// XCTest runtime libs (must be first due to http://github.com/apple/swift-corelibs-xctest/issues/432)
"-lXCTest",
// ICU Swift runtime libs
"-licui18nswift",
"-licuucswift",
"-licudataswift",
// Common-use ordering-agnostic Linux system libs
"-lm",
"-lpthread",
"-lutil",
"-ldl",
"-lz",
};
std::unordered_map<std::string, bool> SwiftRuntimeLibraries;
for (const auto &RuntimeLib : SwiftRuntimeLibsOrdered) {
SwiftRuntimeLibraries[RuntimeLib] = false;
}

// Extract the linker flags from the objects.
for (const auto &BinaryFileName : Invocation.getInputFilenames()) {
Expand Down Expand Up @@ -288,9 +323,11 @@ int autolink_extract_main(ArrayRef<const char *> Args, const char *Argv0,
OutOS << Flag << '\n';
}

for (const auto &RuntimeLib : SwiftRuntimeLibraries) {
if (RuntimeLib.second)
OutOS << RuntimeLib.first << '\n';
for (const auto &RuntimeLib : SwiftRuntimeLibsOrdered) {
auto entry = SwiftRuntimeLibraries.find(RuntimeLib);
if (entry != SwiftRuntimeLibraries.end() && entry->second) {
OutOS << entry->first << '\n';
}
}


Expand Down