PSPP_CHECK_DOT
PSPP_ENABLE_WERROR
+PSPP_ENABLE_OPTION([-Wall])
+PSPP_ENABLE_OPTION([-Wextra])
+PSPP_ENABLE_OPTION([-Wwrite-strings])
+PSPP_ENABLE_OPTION([-Wstrict-prototypes])
+PSPP_ENABLE_OPTION([-Wpointer-arith])
+PSPP_ENABLE_OPTION([-Wno-sign-compare])
+PSPP_ENABLE_OPTION([-Wmissing-prototypes])
+PSPP_ENABLE_OPTION([-Wc11-c2x-compat])
AM_CONDITIONAL(cc_is_gcc, test x"$GCC" = x"yes" )
AM_CONDITIONAL(host_is_w32, [case $host_os in mingw*) true;; *) false;; esac] )