diff --git a/configure.ac b/configure.ac
index a50ab6d..1111cbf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -98,6 +98,7 @@ AC_SUBST(PIPI_TYPES)
 CFLAGS="${CFLAGS} -g -O2 -fno-strength-reduce -fomit-frame-pointer"
 # Code qui fait des warnings == code de porc == deux baffes dans ta gueule
 CFLAGS="${CFLAGS} -Wall -Wpointer-arith -Wcast-align -Wcast-qual -Wstrict-prototypes -Wshadow -Waggregate-return -Wmissing-prototypes -Wnested-externs -Wsign-compare"
+CXXFLAGS="${CXXFLAGS} -Wall -Wpointer-arith -Wcast-align -Wcast-qual -Wshadow -Wsign-compare"
 
 AC_CHECK_LIB(m, sin, MATH_LIBS="${MATH_LIBS} -lm")