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-rw-r--r--libbuild2/adhoc-rule-buildscript.cxx2
-rw-r--r--libbuild2/cc/compile-rule.cxx2
-rw-r--r--libbuild2/depdb.cxx4
-rw-r--r--libbuild2/depdb.hxx6
4 files changed, 8 insertions, 6 deletions
diff --git a/libbuild2/adhoc-rule-buildscript.cxx b/libbuild2/adhoc-rule-buildscript.cxx
index e8bc20d..b981b8d 100644
--- a/libbuild2/adhoc-rule-buildscript.cxx
+++ b/libbuild2/adhoc-rule-buildscript.cxx
@@ -505,7 +505,7 @@ namespace build2
if (update && dd.reading () && !ctx.dry_run)
dd.touch = timestamp_unknown;
- dd.close ();
+ dd.close (false /* mtime_check */);
md->dd = move (dd.path);
// Pass on base scope and update/mtime.
diff --git a/libbuild2/cc/compile-rule.cxx b/libbuild2/cc/compile-rule.cxx
index 3c77ad3..db9e6cb 100644
--- a/libbuild2/cc/compile-rule.cxx
+++ b/libbuild2/cc/compile-rule.cxx
@@ -1424,7 +1424,7 @@ namespace build2
if (u && dd.reading () && !ctx.dry_run)
dd.touch = timestamp_unknown;
- dd.close ();
+ dd.close (false /* mtime_check */);
md.dd = move (dd.path);
// If the preprocessed output is suitable for compilation, then pass
diff --git a/libbuild2/depdb.cxx b/libbuild2/depdb.cxx
index 1215e78..e50870c 100644
--- a/libbuild2/depdb.cxx
+++ b/libbuild2/depdb.cxx
@@ -281,7 +281,7 @@ namespace build2
}
void depdb::
- close ()
+ close (bool mc)
{
// If we are at eof, then it means all lines are good, there is the "end
// marker" at the end, and we don't need to do anything, except, maybe
@@ -329,7 +329,7 @@ namespace build2
change (true /* truncate */);
}
- if (mtime_check ())
+ if (mc && mtime_check ())
start_ = system_clock::now ();
if (state_ == state::write)
diff --git a/libbuild2/depdb.hxx b/libbuild2/depdb.hxx
index 9cff281..5b5052d 100644
--- a/libbuild2/depdb.hxx
+++ b/libbuild2/depdb.hxx
@@ -118,10 +118,12 @@ namespace build2
// function will "chop off" lines that haven't been read.
//
// Make sure to also call check_mtime() after updating the target to
- // perform the target/database modification times sanity checks.
+ // perform the target/database modification times sanity checks. Pass
+ // false to close() to avoid unnecessary work if using the static version
+ // of check_mtime() (or not using it at all for some reason).
//
void
- close ();
+ close (bool mtime_check = true);
// Flush any unwritten data to disk. This is primarily useful when reusing
// a (partially written) database as an input to external programs (e.g.,