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-rw-r--r--buildrun.cxx6
1 files changed, 6 insertions, 0 deletions
diff --git a/buildrun.cxx b/buildrun.cxx
index 71a34c96..bcd4c1fe 100644
--- a/buildrun.cxx
+++ b/buildrun.cxx
@@ -48,6 +48,12 @@ run_make_cmd(systemtap_session& s, string& make_cmd)
cerr << "unsetenv failed: " << e << endl;
}
+ // Disable ccache to avoid saving files that will never be reused.
+ // (ccache is useless to us, because our compiler commands always
+ // include the randomized tmpdir path.)
+ // It's not critical if this fails, so the return is ignored.
+ (void) setenv("CCACHE_DISABLE", "1", 0);
+
if (s.verbose > 2)
make_cmd += " V=1";
else if (s.verbose > 1)