Makefile:15: warning: overriding recipe for target '/tmp/.grass6/addons/r.terracost/bin/r.terracost' /home/landa/src/grass64/dist.x86_64-pc-linux-gnu/include/Make/Module.make:15: warning: ignoring old recipe for target '/tmp/.grass6/addons/r.terracost/bin/r.terracost' mkdir -p /tmp/.grass6/addons/r.terracost/bin mkdir -p /tmp/.grass6/addons/r.terracost/etc make OBJ.x86_64-pc-linux-gnu make[1]: Entering directory '/work/src/grass-addons/grass6/raster/r.terracost' Makefile:15: warning: overriding recipe for target '/tmp/.grass6/addons/r.terracost/bin/r.terracost' /home/landa/src/grass64/dist.x86_64-pc-linux-gnu/include/Make/Module.make:15: warning: ignoring old recipe for target '/tmp/.grass6/addons/r.terracost/bin/r.terracost' test -d OBJ.x86_64-pc-linux-gnu || mkdir -p OBJ.x86_64-pc-linux-gnu make[1]: Leaving directory '/work/src/grass-addons/grass6/raster/r.terracost' c++ -I/work/src/grass64/dist.x86_64-pc-linux-gnu/include -g -O2 -DPACKAGE=\""grassmods"\" -I/work/src/grass64/dist.x86_64-pc-linux-gnu/include -o OBJ.x86_64-pc-linux-gnu/dijkstraAbs.o -c dijkstraAbs.cc In file included from tileAbs.h:22, from dijkstraAbs.cc:21: genericTile.h:155:1: error: redeclaration of ‘mappedTile::mappedTile(dim_t, dim_t, dim_t, dim_t)’ may not have default arguments [-fpermissive] mappedTile::mappedTile(dim_t inRows, dim_t inCols, ^~~~~~~~~~~~~ make: *** [/home/landa/src/grass64/dist.x86_64-pc-linux-gnu/include/Make/Rules.make:53: OBJ.x86_64-pc-linux-gnu/dijkstraAbs.o] Error 1