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std.Build.Step.ConfigHeader: handle leading whitespace for cmake

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This commit is contained in:
Jan200101
2026-03-12 21:23:28 +01:00
committed by Andrew Kelley
parent e2a6c74c9a
commit 9fd63daff2
3 changed files with 20 additions and 2 deletions
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lib/std/Build/Step/ConfigHeader.zig
+12 -2
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@@ -420,12 +420,21 @@ fn render_cmake(
};
defer allocator.free(line);
if (!std.mem.startsWith(u8, line, "#")) {
const line_start = std.mem.findNone(u8, line, " \t\r") orelse {
try bw.writeAll(line);
if (!last_line) try bw.writeByte('\n');
continue;
};
const whitespace_prefix = line[0..line_start];
const trimmed_line = line[line_start..];
if (!std.mem.startsWith(u8, trimmed_line, "#")) {
try bw.writeAll(line);
if (!last_line) try bw.writeByte('\n');
continue;
}
var it = std.mem.tokenizeAny(u8, line[1..], " \t\r");
var it = std.mem.tokenizeAny(u8, trimmed_line[1..], " \t\r");
const cmakedefine = it.next().?;
if (!std.mem.eql(u8, cmakedefine, "cmakedefine") and
!std.mem.eql(u8, cmakedefine, "cmakedefine01"))
@@ -502,6 +511,7 @@ fn render_cmake(
value = Value{ .ident = it.rest() };
}
try bw.writeAll(whitespace_prefix);
try renderValueC(bw, name, value);
}