aboutsummaryrefslogtreecommitdiff
path: root/libbuild2/cc/compile-rule.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'libbuild2/cc/compile-rule.cxx')
-rw-r--r--libbuild2/cc/compile-rule.cxx10
1 files changed, 10 insertions, 0 deletions
diff --git a/libbuild2/cc/compile-rule.cxx b/libbuild2/cc/compile-rule.cxx
index d490c8e..2e4775e 100644
--- a/libbuild2/cc/compile-rule.cxx
+++ b/libbuild2/cc/compile-rule.cxx
@@ -7830,6 +7830,14 @@ namespace build2
if (!env.empty ())
env.push_back (nullptr);
+ // We have no choice but to serialize early if we want the command line
+ // printed shortly before actually executing the compiler. Failed that,
+ // it may look like we are still executing in parallel.
+ //
+ scheduler::alloc_guard jobs_ag;
+ if (!ctx.dry_run && cast_false<bool> (t[c_serialize]))
+ jobs_ag = scheduler::alloc_guard (*ctx.sched, phase_unlock (nullptr));
+
// With verbosity level 2 print the command line as if we are compiling
// the source file, not its preprocessed version (so that it's easy to
// copy and re-run, etc). Only at level 3 and above print the real deal.
@@ -7994,6 +8002,8 @@ namespace build2
throw failed ();
}
+ jobs_ag.deallocate ();
+
if (md.deferred_failure)
fail << "expected error exit status from " << x_lang << " compiler";
}