comp: add support for -fdata-sections

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/std/Build/Step/Compile.zig b/lib/std/Build/Step/Compile.zig
index 5ffc6c33ac..07eb3ded01 100644
--- a/lib/std/Build/Step/Compile.zig
+++ b/lib/std/Build/Step/Compile.zig
@@ -123,6 +123,10 @@ link_emit_relocs: bool = false,
 /// safely garbage-collected during the linking phase.
 link_function_sections: bool = false,
 
+/// Place every data in its own section so that unused ones may be
+/// safely garbage-collected during the linking phase.
+link_data_sections: bool = false,
+
 /// Remove functions and data that are unreachable by the entry point or
 /// exported symbols.
 link_gc_sections: ?bool = null,
@@ -1647,6 +1651,9 @@ fn make(step: *Step, prog_node: *std.Progress.Node) !void {
     if (self.link_function_sections) {
         try zig_args.append("-ffunction-sections");
     }
+    if (self.link_data_sections) {
+        try zig_args.append("-fdata-sections");
+    }
     if (self.link_gc_sections) |x| {
         try zig_args.append(if (x) "--gc-sections" else "--no-gc-sections");
     }