diff --git a/lib/std/zig/target.zig b/lib/std/zig/target.zig index b9116f557f..1785eb94e6 100644 --- a/lib/std/zig/target.zig +++ b/lib/std/zig/target.zig @@ -263,7 +263,8 @@ pub fn isLibCxxLibName(target: std.Target, name: []const u8) bool { return eqlIgnoreCase(ignore_case, name, "c++") or eqlIgnoreCase(ignore_case, name, "stdc++") or - eqlIgnoreCase(ignore_case, name, "c++abi"); + eqlIgnoreCase(ignore_case, name, "c++abi") or + eqlIgnoreCase(ignore_case, name, "supc++"); } fn eqlIgnoreCase(ignore_case: bool, a: []const u8, b: []const u8) bool { diff --git a/src/main.zig b/src/main.zig index 0d239f1f99..cf2d37d086 100644 --- a/src/main.zig +++ b/src/main.zig @@ -3832,16 +3832,13 @@ fn createModule( create_module.opts.link_libcpp = true; continue; } - switch (target_util.classifyCompilerRtLibName(target, lib_name)) { + switch (target_util.classifyCompilerRtLibName(lib_name)) { .none => {}, .only_libunwind, .both => { create_module.opts.link_libunwind = true; continue; }, - .only_compiler_rt => { - warn("ignoring superfluous library '{s}': this dependency is fulfilled instead by compiler-rt which zig unconditionally provides", .{lib_name}); - continue; - }, + .only_compiler_rt => continue, } if (target.isMinGW()) { diff --git a/src/target.zig b/src/target.zig index 6297d21bfc..e796b8e271 100644 --- a/src/target.zig +++ b/src/target.zig @@ -260,17 +260,23 @@ pub fn supportsReturnAddress(target: std.Target) bool { pub const CompilerRtClassification = enum { none, only_compiler_rt, only_libunwind, both }; -pub fn classifyCompilerRtLibName(target: std.Target, name: []const u8) CompilerRtClassification { - if (target.abi.isGnu() and std.mem.eql(u8, name, "gcc_s")) { +pub fn classifyCompilerRtLibName(name: []const u8) CompilerRtClassification { + if (std.mem.eql(u8, name, "gcc_s")) { // libgcc_s includes exception handling functions, so if linking this library // is requested, zig needs to instead link libunwind. Otherwise we end up with // the linker unable to find `_Unwind_RaiseException` and other related symbols. return .both; } - if (std.mem.eql(u8, name, "compiler_rt")) { + if (std.mem.eql(u8, name, "compiler_rt") or + std.mem.eql(u8, name, "gcc") or + std.mem.eql(u8, name, "atomic") or + std.mem.eql(u8, name, "ssp")) + { return .only_compiler_rt; } - if (std.mem.eql(u8, name, "unwind")) { + if (std.mem.eql(u8, name, "unwind") or + std.mem.eql(u8, name, "gcc_eh")) + { return .only_libunwind; } return .none;