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-rw-r--r--src/engine/SCons/Tool/yacc.xml8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/engine/SCons/Tool/yacc.xml b/src/engine/SCons/Tool/yacc.xml
index 2db0603..aa648b1 100644
--- a/src/engine/SCons/Tool/yacc.xml
+++ b/src/engine/SCons/Tool/yacc.xml
@@ -87,7 +87,13 @@ file with the specified suffix,
it exists to allow you to specify
what suffix the parser generator will use of its own accord.
The default value is
-<filename>.hpp</filename>.
+<filename>.hpp</filename>,
+except on Mac OS X,
+where the default is
+<filename>${TARGET.suffix}.h</filename>.
+because the default &bison; parser generator just
+appends <filename>.h</filename>
+to the name of the generated C++ file.
</summary>
</cvar>