* gnu/packages/engineering.scm (librecad)[arguments]: Add missing headers.
(string-append "#include <boost/serialization/array_wrapper.hpp>\n"
line)))
#t))
+ ;; Fix build against Qt 5.11.
+ (add-after 'unpack 'add-missing-headers
+ (lambda _
+ (substitute* "librecad/src/ui/generic/widgetcreator.cpp"
+ (("#include <QPushButton>") "#include <QPushButton>
+#include <QActionGroup>"))
+ #t))
(add-after 'unpack 'patch-paths
(lambda* (#:key outputs #:allow-other-keys)
(let ((out (assoc-ref outputs "out")))