| author |  xavier <xavierb@gmail.com> 2021-05-02 16:46:46+02:00 |
| committer |  Andrew Kelley <andrew@ziglang.org> 2021-11-15 16:15:39-07:00 |
| log | 564629f70475a1e3b397179067e22d3f61772104 |
| tree | 6253e413486c257db786657a9c19fc024227155d |
| parent | 353c19468df02db925a7b147cabb398d7e63de68 |
build: workaround link error with LTO and mingw
The symbol "_tls_index" gets lost when using LTO.
Disabling LTO on the object file that defines it allows the link to work.
fixes https://github.com/ziglang/zig/issues/85311 files changed, 4 insertions(+), 0 deletions(-)
src
src/mingw.zig+4
| ... | ... | @@ -92,6 +92,10 @@ pub fn buildCRTFile(comp: *Compilation, crt_file: CRTFile) !void { |
| 92 | 92 | "-D_WIN32_WINNT=0x0f00", |
| 93 | 93 | "-D__MSVCRT_VERSION__=0x700", |
| 94 | 94 | }); |
| 95 | if (std.mem.eql(u8, dep, "tlssup.c")) { | |
| 96 | // Can't let LTO drop symbols defined in this file (eg: _tls_index) | |
| 97 | try args.append("-fno-lto"); | |
| 98 | } | |
| 95 | 99 | c_source_files[i] = .{ |
| 96 | 100 | .src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{ |
| 97 | 101 | "libc", "mingw", "crt", dep, |