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CLI: detect MinGW-flavored static libraries

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Ideally on Windows, static libraries look like "foo.lib". However, CMake
and other build systems will unfortunately produce static libraries that
instead look like "libfoo.a". This patch makes Zig's CLI resolve "-lfoo"
arguments into static libraries that match this other pattern.

This patch fixes an issue with zig-bootstrap where it won't find the
LLVM, Clang, and LLD libraries.
This commit is contained in:
Andrew Kelley 2022-05-04 19:15:31 -07:00
parent 080e870a71
commit ba127058d1
1 changed files with 19 additions and 0 deletions
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19
src/main.zig
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@ -2118,6 +2118,25 @@ fn buildOutputType(
continue :syslib;
}
// Unfortunately, in the case of MinGW we also need to look for `libfoo.a`.
if (target_info.target.isMinGW()) {
for (lib_dirs.items) |lib_dir_path| {
test_path.clearRetainingCapacity();
try test_path.writer().print("{s}" ++ sep ++ "lib{s}.a", .{
lib_dir_path, lib_name,
});
fs.cwd().access(test_path.items, .{}) catch |err| switch (err) {
error.FileNotFound => continue,
else => |e| fatal("unable to search for static library '{s}': {s}", .{
test_path.items, @errorName(e),
}),
};
try link_objects.append(.{ .path = try arena.dupe(u8, test_path.items) });
system_libs.orderedRemoveAt(i);
continue :syslib;
}
}
std.log.scoped(.cli).debug("depending on system for -l{s}", .{lib_name});
i += 1;