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-rw-r--r--src/piraha/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/piraha/Makefile b/src/piraha/Makefile
index 7528fc54..45e4f4dc 100644
--- a/src/piraha/Makefile
+++ b/src/piraha/Makefile
@@ -1,7 +1,7 @@
# Build the standalone tool
#
CXX = g++
-CXXFLAGS = -Wall
+CXXFLAGS = -Wall -Wreturn-type
SRCS = AutoGrammar.cc Bracket.cc Dot.cc End.cc \
Generic.cc Grammar.cc Group.cc ILiteral.cc \
Literal.cc Lookup.cc Matcher.cc Multi.cc \