java.lang.NullPointerException
# Makefile rules for the orb package
java.lang.NullPointerException
KEXT_NAME = gapbind_demo
KEXT_SOURCES = src/gapbind_demo.c src/gapbind14.cc

KEXT_CXXFLAGS = -I../include -std=gnu++14
KEXT_LDFLAGS = -lstdc++

# ifndef GAP_KERNEL_MAJOR_VERSION
#   KEXT_CXXFLAGS += -I$(GAP_LIB_DIR)/pkg/semigroups/gapbind14/include
# endif

# include shared GAP package build system
GAPPATH = @GAPPATH@
include Makefile.gappkg

src/gapbind14.cc: ../src/gapbind14.cpp
 cp $< $@