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Merge pull request 'compiler: disable warnings in all vendored code' (#31868) from alexrp/zig:disable-vendor-warnings into master

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Reviewed-on: https://codeberg.org/ziglang/zig/pulls/31868
This commit is contained in:
Alex Rønne Petersen
2026-04-15 11:19:47 +02:00
parent 291addadf8 18964c0865
commit 3016f875c3
4 changed files with 17 additions and 22 deletions
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src/libs/glibc.zig
+13 -7
View File
@@ -189,11 +189,11 @@ pub fn buildCrtFile(comp: *Compilation, crt_file: CrtFile, prog_node: std.Progre
var args = std.array_list.Managed([]const u8).init(arena);
try add_include_dirs(comp, arena, &args);
try args.appendSlice(&[_][]const u8{
"-w", // Disable all warnings.
"-D_LIBC_REENTRANT",
"-include",
try lib_path(comp, arena, lib_libc_glibc ++ "include" ++ path.sep_str ++ "libc-modules.h"),
"-DMODULE_NAME=libc",
"-Wno-nonportable-include-path",
"-include",
try lib_path(comp, arena, lib_libc_glibc ++ "include" ++ path.sep_str ++ "libc-symbols.h"),
"-DPIC",
@@ -217,6 +217,7 @@ pub fn buildCrtFile(comp: *Compilation, crt_file: CrtFile, prog_node: std.Progre
});
try add_include_dirs(comp, arena, &args);
try args.appendSlice(&[_][]const u8{
"-w", // Disable all warnings.
"-D_LIBC_REENTRANT",
"-DMODULE_NAME=libc",
"-DTOP_NAMESPACE=glibc",
@@ -229,9 +230,16 @@ pub fn buildCrtFile(comp: *Compilation, crt_file: CrtFile, prog_node: std.Progre
.owner = undefined,
};
};
const init_o: Compilation.CSourceFile = .{
.src_path = try lib_path(comp, arena, lib_libc_glibc ++ "csu" ++ path.sep_str ++ "init.c"),
.owner = undefined,
const init_o: Compilation.CSourceFile = blk: {
var args = std.array_list.Managed([]const u8).init(arena);
try args.appendSlice(&[_][]const u8{
"-w", // Disable all warnings.
});
break :blk .{
.src_path = try lib_path(comp, arena, lib_libc_glibc ++ "csu" ++ path.sep_str ++ "init.c"),
.cache_exempt_flags = args.items,
.owner = undefined,
};
};
var files = [_]Compilation.CSourceFile{ start_o, abi_note_o, init_o };
const basename = if (comp.config.output_mode == .Exe and !comp.config.pie) "crt1" else "Scrt1";
@@ -308,15 +316,14 @@ pub fn buildCrtFile(comp: *Compilation, crt_file: CrtFile, prog_node: std.Progre
var args = std.array_list.Managed([]const u8).init(arena);
try args.appendSlice(&[_][]const u8{
"-w", // Disable all warnings.
"-std=gnu11",
"-fgnu89-inline",
"-fmerge-all-constants",
"-frounding-math",
"-Wno-unsupported-floating-point-opt", // For targets that don't support -frounding-math.
"-fno-common",
"-fmath-errno",
"-ftls-model=initial-exec",
"-Wno-ignored-attributes",
"-Qunused-arguments",
});
try add_include_dirs(comp, arena, &args);
@@ -335,7 +342,6 @@ pub fn buildCrtFile(comp: *Compilation, crt_file: CrtFile, prog_node: std.Progre
"-include",
try lib_path(comp, arena, lib_libc_glibc ++ "include" ++ path.sep_str ++ "libc-modules.h"),
"-DMODULE_NAME=libc",
"-Wno-nonportable-include-path",
"-include",
try lib_path(comp, arena, lib_libc_glibc ++ "include" ++ path.sep_str ++ "libc-symbols.h"),
"-DPIC",
src/libs/libcxx.zig
+2 -6
View File
@@ -206,6 +206,7 @@ pub fn buildLibCxx(comp: *Compilation, prog_node: std.Progress.Node) BuildError!
try addCxxArgs(comp, arena, &cflags);
try cflags.append("-w"); // Disable all warnings.
try cflags.append("-DNDEBUG");
try cflags.append("-DLIBC_NAMESPACE=__llvm_libc_common_utils");
try cflags.append("-D_LIBCPP_BUILDING_LIBRARY");
@@ -223,9 +224,6 @@ pub fn buildLibCxx(comp: *Compilation, prog_node: std.Progress.Node) BuildError!
try cflags.append("-nostdinc++");
try cflags.append("-std=c++23");
try cflags.append("-Wno-user-defined-literals");
try cflags.append("-Wno-covered-switch-default");
try cflags.append("-Wno-suggest-override");
// These depend on only the zig lib directory file path, which is
// purposefully either in the cache or not in the cache. The decision
@@ -401,6 +399,7 @@ pub fn buildLibCxxAbi(comp: *Compilation, prog_node: std.Progress.Node) BuildErr
try addCxxArgs(comp, arena, &cflags);
try cflags.append("-w"); // Disable all warnings.
try cflags.append("-DNDEBUG");
try cflags.append("-D_LIBCPP_BUILDING_LIBRARY");
try cflags.append("-D_LIBCXXABI_BUILDING_LIBRARY");
@@ -422,9 +421,6 @@ pub fn buildLibCxxAbi(comp: *Compilation, prog_node: std.Progress.Node) BuildErr
try cflags.append("-nostdinc++");
try cflags.append("-fstrict-aliasing");
try cflags.append("-std=c++23");
try cflags.append("-Wno-user-defined-literals");
try cflags.append("-Wno-covered-switch-default");
try cflags.append("-Wno-suggest-override");
// These depend on only the zig lib directory file path, which is
// purposefully either in the cache or not in the cache. The decision
src/libs/libunwind.zig
+1 -7
View File
@@ -104,6 +104,7 @@ pub fn buildStaticLib(comp: *Compilation, prog_node: std.Progress.Node) BuildErr
.assembly_with_cpp => {},
else => unreachable, // See `unwind_src_list`.
}
try cflags.append("-w"); // Disable all warnings.
try cflags.append("-I");
try cflags.append(try comp.dirs.zig_lib.join(arena, &.{ "libunwind", "include" }));
try cflags.append("-D_LIBUNWIND_HIDE_SYMBOLS");
@@ -126,13 +127,6 @@ pub fn buildStaticLib(comp: *Compilation, prog_node: std.Progress.Node) BuildErr
if (target.cpu.arch.isArm() and target.abi.float() == .hard) {
try cflags.append("-DCOMPILER_RT_ARMHF_TARGET");
}
try cflags.append("-Wno-bitwise-conditional-parentheses");
try cflags.append("-Wno-visibility");
try cflags.append("-Wno-incompatible-pointer-types");
if (target.os.tag == .windows) {
try cflags.append("-Wno-dll-attribute-on-redeclaration");
}
c_source_files[i] = .{
.src_path = try comp.dirs.zig_lib.join(arena, &.{unwind_src}),
src/libs/mingw.zig
+1 -2
View File
@@ -135,8 +135,6 @@ pub fn buildCrtFile(comp: *Compilation, crt_file: CrtFile, prog_node: std.Progre
try addCcArgs(comp, arena, &winpthreads_args);
try winpthreads_args.appendSlice(&[_][]const u8{
"-DIN_WINPTHREAD",
// winpthreads incorrectly assumes that Clang has `-Wprio-ctor-dtor`.
"-Wno-unknown-warning-option",
});
switch (comp.compilerRtOptMode()) {
@@ -170,6 +168,7 @@ fn addCcArgs(
args: *std.array_list.Managed([]const u8),
) error{OutOfMemory}!void {
try args.appendSlice(&[_][]const u8{
"-w", // Disable all warnings.
"-std=gnu11",
"-D__USE_MINGW_ANSI_STDIO=0",