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-rw-r--r--configure.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index e963fbc9f5d0..9ffefa914434 100644
--- a/configure.ac
+++ b/configure.ac
@@ -68,6 +68,8 @@ if test "$sys_name" = sunos; then
 fi
 
 
+CFLAGS=${CFLAGS:--g -O3}
+CXXFLAGS=${CXXFLAGS:--g -O3}
 AC_PROG_CC
 AC_PROG_CXX