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  1. Qbs ("Cubes")
  2. QBS-581

a more elegant way to build products conditionally

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      Description

      all Products should be imagined as dependencies of the containing Project(s). by adding a property which declares their "importance" (congruently to QBS-575 for Depends items), a Product's condition for building would become whether its mandatory dependencies are satisfied. this is much nicer than making bindings from the dependencies' present properties to the products' conditions.

      Product {
          // dependencies being unsatisfied breaks the build by default, ...
          importance: Recommended
          // ... but the product can be manually excluded
          //enabled: true // that's actually the default
      
          Depends {
              name: "OpenSSL"
              // absence prevents build
              importance: Mandatory
          }
          Depends {
              name: "Botan"
              // absence does not prevent build 
              importance: Suggested
          }
      }
      
      Product {
          // dependencies being unsatisfied excludes it from the build
          importance: Suggested
      
          Depends {
              name: "OpenSSL"
              // absence breaks build by default, but can be disabled
              importance: Recommended
          }
      }
      

      as an extension, it's thinkable to declare Products as Dispensable, in which case they are not built at all (by default) unless other (actually built) Products depends on them.

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              Assignee:
              Unassigned Unassigned
              Reporter:
              buddenha Oswald Buddenhagen
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                Updated:

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