-AM_CFLAGS = -Wall -Wimplicit -Wunused -Wmissing-prototypes \
- -Wuninitialized -fno-inline -O1 -DDATA_DIR=\"$(pkgdatadir)\" \
+AM_CFLAGS = -Wall -Wimplicit -Wunused -Wmissing-prototypes -Wundef \
+ -Wuninitialized -Wdeclaration-after-statement \
+ -fno-inline -O1 -DDATA_DIR=\"$(pkgdatadir)\" \
-DLOCALEDIR=\"$(datadir)/locale\" \
@CFLAGS@