When building a language specification in Eclipse, the build does not occur and the following output is given:

09:56 | INFO  | o.m.s.e.m.b.PreJavaBuilder     - Building language project eclipse:///PAPLJ
09:56 | ERROR | o.m.s.e.m.b.PreJavaBuilder     - Cannot build language project /Users/gohla/spoofax/newplugin/repo/spoofax-releng/spoofax/org.metaborg.spoofax.meta.core/target/classes/org/metaborg/spoofax/meta/core/build.xml:421: The following error occurred while executing this line:
/Users/gohla/spoofax/newplugin/repo/spoofax-releng/spoofax/org.metaborg.spoofax.meta.core/target/classes/org/metaborg/spoofax/meta/core/build.xml:120: Problem: failed to create task or type pack-sdf
Cause: The name is undefined.
Action: Check the spelling.
Action: Check that any custom tasks/types have been declared.
Action: Check that any <presetdef>/<macrodef> declarations have taken place.
; build failed unexpectedly

Environment:

Eclipse: epp.package.standard 4.4.0.20140612-0500
Spoofax: org.metaborg.spoofax.eclipse 1.5.0.qualifier
System: Mac OS X x86_64 10.10.5

Error also occurs on Windows.

Submitted by Gabriël Konat on 14 December 2015 at 09:58

Fixed