From 82ff2e7df2243b679aadbc6cc120a2b5f7ee73b3 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 26 Feb 2024 09:21:47 +0200
Subject: Add ability to serialize compilation/linking in cc rules

Specifically, both the C/C++ compiler and link rules now recognize the
cc.serialize boolean variable which instructs them to compiler/link
serially with regards to any other recipe.

This is primarily useful when compiling large translation units or linking
large binaries that require so much memory that doing that in parallel with
other compilation/linking jobs is likely to summon the OOM killer. For
example:

obj{memory-hog}: cc.serialize = true
---
 libbuild2/c/init.cxx | 1 +
 1 file changed, 1 insertion(+)

(limited to 'libbuild2/c')

diff --git a/libbuild2/c/init.cxx b/libbuild2/c/init.cxx
index 10b3d6a..8bc2f7d 100644
--- a/libbuild2/c/init.cxx
+++ b/libbuild2/c/init.cxx
@@ -345,6 +345,7 @@ namespace build2
         vp["cc.module_name"],
         vp["cc.importable"],
         vp["cc.reprocess"],
+        vp["cc.serialize"],
 
         vp.insert<string>   ("c.preprocessed"), // See cxx.preprocessed.
         nullptr,                                // No __symexport (no modules).
-- 
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