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-rw-r--r--libjava/Makefile.am2
1 files changed, 1 insertions, 1 deletions
diff --git a/libjava/Makefile.am b/libjava/Makefile.am
index d1733adc071..cc2cfbc1916 100644
--- a/libjava/Makefile.am
+++ b/libjava/Makefile.am
@@ -103,7 +103,7 @@ JAVAC = $(GCJ_WITH_FLAGS) -C
GCC_UNWIND_INCLUDE = @GCC_UNWIND_INCLUDE@
-WARNINGS = -W -Wall
+WARNINGS = -Wextra -Wall
## We need _GNU_SOURCE defined for some Linux builds. It doesn't hurt
## to always define it.
AM_CXXFLAGS = -fno-rtti -fnon-call-exceptions $(THREADCXXFLAGS) \
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