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build stage3: add more BSD support

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- add netbsd
- add dragonfly
- fixup freebsd
This commit is contained in:
Michael Dusan 2023-01-02 19:18:33 -05:00
parent 46c3b09165
commit ef08894d37
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GPG Key ID: ED4C5BA849FA1B74
1 changed files with 32 additions and 18 deletions
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build.zig
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@ -560,24 +560,38 @@ fn addCmakeCfgOptionsToExe(
// System -lc++ must be used because in this code path we are attempting to link
// against system-provided LLVM, Clang, LLD.
if (exe.target.getOsTag() == .linux) {
// First we try to link against gcc libstdc++. If that doesn't work, we fall
// back to -lc++ and cross our fingers.
addCxxKnownPath(b, cfg, exe, b.fmt("libstdc++.{s}", .{lib_suffix}), "", need_cpp_includes) catch |err| switch (err) {
error.RequiredLibraryNotFound => {
exe.linkSystemLibrary("c++");
},
else => |e| return e,
};
exe.linkSystemLibrary("unwind");
} else if (exe.target.isFreeBSD()) {
try addCxxKnownPath(b, cfg, exe, b.fmt("libc++.{s}", .{lib_suffix}), null, need_cpp_includes);
exe.linkSystemLibrary("pthread");
} else if (exe.target.getOsTag() == .openbsd) {
try addCxxKnownPath(b, cfg, exe, b.fmt("libc++.{s}", .{lib_suffix}), null, need_cpp_includes);
try addCxxKnownPath(b, cfg, exe, b.fmt("libc++abi.{s}", .{lib_suffix}), null, need_cpp_includes);
} else if (exe.target.isDarwin()) {
exe.linkSystemLibrary("c++");
switch (exe.target.getOsTag()) {
.linux => {
// First we try to link against gcc libstdc++. If that doesn't work, we fall
// back to -lc++ and cross our fingers.
addCxxKnownPath(b, cfg, exe, b.fmt("libstdc++.{s}", .{lib_suffix}), "", need_cpp_includes) catch |err| switch (err) {
error.RequiredLibraryNotFound => {
exe.linkSystemLibrary("c++");
},
else => |e| return e,
};
exe.linkSystemLibrary("unwind");
},
.ios, .macos, .watchos, .tvos => {
exe.linkSystemLibrary("c++");
},
.freebsd => {
try addCxxKnownPath(b, cfg, exe, b.fmt("libc++.{s}", .{lib_suffix}), null, need_cpp_includes);
try addCxxKnownPath(b, cfg, exe, b.fmt("libgcc_eh.{s}", .{lib_suffix}), null, need_cpp_includes);
},
.openbsd => {
try addCxxKnownPath(b, cfg, exe, b.fmt("libc++.{s}", .{lib_suffix}), null, need_cpp_includes);
try addCxxKnownPath(b, cfg, exe, b.fmt("libc++abi.{s}", .{lib_suffix}), null, need_cpp_includes);
},
.netbsd => {
try addCxxKnownPath(b, cfg, exe, b.fmt("libstdc++.{s}", .{lib_suffix}), null, need_cpp_includes);
try addCxxKnownPath(b, cfg, exe, b.fmt("libgcc_eh.{s}", .{lib_suffix}), null, need_cpp_includes);
},
.dragonfly => {
try addCxxKnownPath(b, cfg, exe, b.fmt("libstdc++.{s}", .{lib_suffix}), null, need_cpp_includes);
try addCxxKnownPath(b, cfg, exe, b.fmt("libgcc_eh.{s}", .{lib_suffix}), null, need_cpp_includes);
},
else => {},
}
}