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openbsd: fix stage3 link

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- llvm requires libexecinfo which has conflicting symbols with libc++abi
- workaround is to link c++abi dynamically
This commit is contained in:
Michael Dusan 2025-02-01 12:14:37 -05:00
parent 3924f173af
commit 127b0921ba
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1 changed files with 9 additions and 14 deletions
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19
build.zig
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@ -791,24 +791,19 @@ fn addCmakeCfgOptionsToExe(
if (target.abi != .msvc) mod.link_libcpp = true;
},
.freebsd => {
if (static) {
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);
} else {
try addCxxKnownPath(b, cfg, exe, b.fmt("libc++.{s}", .{lib_suffix}), null, need_cpp_includes);
}
if (static) 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);
// - llvm requires libexecinfo which has conflicting symbols with libc++abi
// - only an issue with .a linking
// - workaround is to link c++abi dynamically
try addCxxKnownPath(b, cfg, exe, b.fmt("libc++.{s}", .{target.dynamicLibSuffix()[1..]}), null, need_cpp_includes);
try addCxxKnownPath(b, cfg, exe, b.fmt("libc++abi.{s}", .{target.dynamicLibSuffix()[1..]}), null, need_cpp_includes);
},
.netbsd, .dragonfly => {
if (static) {
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 {
try addCxxKnownPath(b, cfg, exe, b.fmt("libstdc++.{s}", .{lib_suffix}), null, need_cpp_includes);
}
if (static) try addCxxKnownPath(b, cfg, exe, b.fmt("libgcc_eh.{s}", .{lib_suffix}), null, need_cpp_includes);
},
.solaris, .illumos => {
try addCxxKnownPath(b, cfg, exe, b.fmt("libstdc++.{s}", .{lib_suffix}), null, need_cpp_includes);