Depends-on:
math
-cbrt [test $HAVE_CBRTL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
-isfinite [test $HAVE_CBRTL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
-frexpl [test $HAVE_CBRTL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
-ldexpl [test $HAVE_CBRTL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
+extensions
+cbrt [{ test $HAVE_CBRTL = 0 || test $REPLACE_CBRTL = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
+isfinite [{ test $HAVE_CBRTL = 0 || test $REPLACE_CBRTL = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
+frexpl [{ test $HAVE_CBRTL = 0 || test $REPLACE_CBRTL = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
+ldexpl [{ test $HAVE_CBRTL = 0 || test $REPLACE_CBRTL = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
configure.ac:
gl_FUNC_CBRTL
-if test $HAVE_CBRTL = 0; then
+if test $HAVE_CBRTL = 0 || test $REPLACE_CBRTL = 1; then
AC_LIBOBJ([cbrtl])
fi
gl_MATH_MODULE_INDICATOR([cbrtl])