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-rw-r--r--libbuild2/test/init.cxx6
1 files changed, 6 insertions, 0 deletions
diff --git a/libbuild2/test/init.cxx b/libbuild2/test/init.cxx
index dadbd20..539cdec 100644
--- a/libbuild2/test/init.cxx
+++ b/libbuild2/test/init.cxx
@@ -278,6 +278,12 @@ namespace build2
//
//@@ TODO: Pring report.
+ // Environment.
+ //
+ // The only external program that we currently use is diff. None of the
+ // implementations we looked at (GNU diffutils, FreeBSD) use any
+ // environment variables.
+
// Register target types.
//
{