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Include system headers path when targeting assembly_with_cpp

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This is consistent with what clang and gcc are doing, because
headers such as <cet.h> are specifically designed to be used
in the context of assembly code.

Fixes #16449
This commit is contained in:
Frank Denis 2023-07-20 16:00:11 +02:00 committed by Andrew Kelley
parent 3f15010abe
commit 124448c1b6
1 changed files with 6 additions and 0 deletions
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6
src/Compilation.zig
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@ -4438,6 +4438,12 @@ pub fn addCCArgs(
},
.shared_library, .ll, .bc, .unknown, .static_library, .object, .def, .zig, .res => {},
.assembly, .assembly_with_cpp => {
if (ext == .assembly_with_cpp) {
const c_headers_dir = try std.fs.path.join(arena, &[_][]const u8{ comp.zig_lib_directory.path.?, "include" });
try argv.append("-isystem");
try argv.append(c_headers_dir);
}
// The Clang assembler does not accept the list of CPU features like the
// compiler frontend does. Therefore we must hard-code the -m flags for
// all CPU features here.