/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/ is in libgluegen2-build-java 2.0-rc3-6.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/CSymbolTable.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/CToken.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/Define.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/GnuCEmitter.g
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/GnuCParser.g
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/GnuCTreeParser.g
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/HeaderParser.g
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/LineObject.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/PreprocessorInfoChannel.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/StdCParser.g
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/TNode.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/TNodeFactory.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/ArrayType.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/BitType.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/CVAttributes.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/CompoundType.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/CompoundTypeKind.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/DoubleType.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/EnumType.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/Field.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/FloatType.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/FunctionSymbol.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/FunctionType.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/IntType.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/MemoryLayoutType.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/PointerType.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/PrimitiveType.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/SizeThunk.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/StructLayout.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/StructType.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/Type.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/TypeDictionary.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/TypeVisitor.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/UnionType.java
/usr/share/gluegen2/src/java/com/jogamp/gluegen/cgram/types/VoidType.java