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mingw: Link to ucrtbased.dll instead of API set DLLs in Debug mode.

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By using the debug UCRT, we get access to functions like _CrtDbgReport.

Closes #23983.
This commit is contained in:
Alex Rønne Petersen 2025-05-29 18:22:37 +02:00
parent 0cbff2ff7f
commit 4641e9556d
2 changed files with 22 additions and 9 deletions
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8
src/Compilation.zig
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@ -2352,8 +2352,12 @@ pub fn create(gpa: Allocator, arena: Allocator, options: CreateOptions) !*Compil
comp.remaining_prelink_tasks += 2;
// When linking mingw-w64 there are some import libs we always need.
try comp.windows_libs.ensureUnusedCapacity(gpa, mingw.always_link_libs.len);
for (mingw.always_link_libs) |name| comp.windows_libs.putAssumeCapacity(name, {});
const always_link_libs: []const []const u8 = switch (comp.root_mod.optimize_mode) {
.Debug => &mingw.always_link_libs_debug,
.ReleaseSafe, .ReleaseFast, .ReleaseSmall => &mingw.always_link_libs_release,
};
try comp.windows_libs.ensureUnusedCapacity(gpa, always_link_libs.len);
for (always_link_libs) |name| comp.windows_libs.putAssumeCapacity(name, {});
} else {
return error.LibCUnavailable;
}

23
src/libs/mingw.zig
View File

@ -1011,7 +1011,21 @@ const mingw32_winpthreads_src = [_][]const u8{
"winpthreads" ++ path.sep_str ++ "thread.c",
};
pub const always_link_libs = [_][]const u8{
const always_link_libs = [_][]const u8{
"advapi32",
"kernel32",
"ntdll",
"shell32",
"user32",
};
// In Debug mode, we link against `ucrtbased.dll` instead of the API set DLLs so that we can get
// access to functions like `_CrtDbgReport`.
pub const always_link_libs_debug = [_][]const u8{
"ucrtbased",
} ++ always_link_libs;
pub const always_link_libs_release = [_][]const u8{
"api-ms-win-crt-conio-l1-1-0",
"api-ms-win-crt-convert-l1-1-0",
"api-ms-win-crt-environment-l1-1-0",
@ -1027,9 +1041,4 @@ pub const always_link_libs = [_][]const u8{
"api-ms-win-crt-string-l1-1-0",
"api-ms-win-crt-time-l1-1-0",
"api-ms-win-crt-utility-l1-1-0",
"advapi32",
"kernel32",
"ntdll",
"shell32",
"user32",
};
} ++ always_link_libs;