Conditionalize buildrequires in bootstrap mode

java_cup.spec

@@ -1,5 +1,6 @@
+%bcond_without bootstrap
+
 %global pkg_version     11b
-%global with_bootstrap  0
 
 Name:           java_cup
 Version:        0.11b
@@ -19,10 +20,14 @@ Source4:        %{name}-runtime-MANIFEST.MF
 
 Patch0:         %{name}-build.patch
 
-BuildRequires:  ant
 BuildRequires:  javapackages-local
+%if %{with bootstrap}
+BuildRequires:  javapackages-bootstrap
+%else
+BuildRequires:  ant
 BuildRequires:  jflex
 BuildRequires:  java_cup
+%endif
 
 # Explicit javapackages-tools requires since scripts use
 # /usr/share/java-utils/java-functions