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handle _fltused in compiler_rt

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so we don't have to do an entire compilation unit for just this silly
symbol
This commit is contained in:
Andrew Kelley 2024-10-21 17:17:30 -07:00
parent 22948616ff
commit 1c45903274
2 changed files with 8 additions and 5 deletions
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4
lib/c.zig
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@ -38,8 +38,6 @@ comptime {
@export(&strncpy, .{ .name = "strncpy", .linkage = .strong });
@export(&strcat, .{ .name = "strcat", .linkage = .strong });
@export(&strncat, .{ .name = "strncat", .linkage = .strong });
} else if (is_msvc) {
@export(&_fltused, .{ .name = "_fltused", .linkage = .strong });
}
}
@ -62,8 +60,6 @@ fn wasm_start() callconv(.C) void {
_ = main(0, undefined);
}
var _fltused: c_int = 1;
fn strcpy(dest: [*:0]u8, src: [*:0]const u8) callconv(.C) [*:0]u8 {
var i: usize = 0;
while (src[i] != 0) : (i += 1) {

9
lib/compiler_rt.zig
View File

@ -1,6 +1,7 @@
const builtin = @import("builtin");
const common = @import("compiler_rt/common.zig");
pub const panic = @import("compiler_rt/common.zig").panic;
pub const panic = common.panic;
comptime {
// Integer routines
@ -236,4 +237,10 @@ comptime {
_ = @import("compiler_rt/bcmp.zig");
_ = @import("compiler_rt/ssp.zig");
}
if (!builtin.link_libc and builtin.abi == .msvc) {
@export(&_fltused, .{ .name = "_fltused", .linkage = common.linkage, .visibility = common.visibility });
}
}
var _fltused: c_int = 1;