kc3-lang/kc3

diff --git a/configure b/configure
index a2f4d0e..fe4ef33 100755
--- a/configure
+++ b/configure
@@ -34,6 +34,7 @@ config_asan
 echo "HAVE_ASAN = ${HAVE_ASAN}" >> ${CONFIG_MK}
 
 update_config_mk
+env_reset
 
 ( cd libffi; sh autogen.sh; MAKE="${GMAKE}" ./configure --prefix "${PREFIX}" --disable-multi-os-directory --disable-dependency-tracking; )
 ( cd libtommath; ./configure; )
diff --git a/ic3/configure b/ic3/configure
index 879ac00..2481b5f 100755
--- a/ic3/configure
+++ b/ic3/configure
@@ -38,13 +38,6 @@ fi
 OBJECTS_DEBUG="$(c2ext .debug.lo "$SOURCES")"
 echo "OBJECTS_DEBUG = $OBJECTS_DEBUG" >> ${CONFIG_MK}
 
-# Default config
-CPPFLAGS="${CPPFLAGS:=}"
-ENV_CFLAGS="${CFLAGS:=}"
-DEFAULT_CFLAGS="-O2 -pipe"
-LDFLAGS="${LDFLAGS}"
-LIBS="${LIBS:=-lm}"
-
 # Common config for all targets
 CFLAGS="$CFLAGS -W -Wall -Werror -std=c99 -pedantic"
 CPPFLAGS="-I../libffi/include $CPPFLAGS"
@@ -78,6 +71,7 @@ LOCAL_LIBS_DEBUG="$LIBC3_DEBUG"
 LIBS_DEBUG="$LOCAL_LIBS_DEBUG $LIBS"
 
 # Main config
+DEFAULT_CFLAGS="-O2 -pipe"
 if [ "x$ENV_CFLAGS" = "x" ]; then
     CFLAGS="$CFLAGS $DEFAULT_CFLAGS"
 fi