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-rw-r--r--configure.ac4
1 files changed, 2 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac
index 89f009923df3..abf4136a90a2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -68,8 +68,8 @@ if test "$sys_name" = sunos; then
 fi
 
 
-CFLAGS=${CFLAGS:--g -O3}
-CXXFLAGS=${CXXFLAGS:--g -O3}
+CFLAGS=${CFLAGS:--g -O3 -Wall}
+CXXFLAGS=${CXXFLAGS:--g -O3 -Wall}
 AC_PROG_CC
 AC_PROG_CXX