<div dir="ltr"><div><div>Getting the following error building PG Routing 2.5.1 on Ubuntu 16.04 <br><br>[ 49%] Building C object src/alpha_shape/src/CMakeFiles/alpha_shape.dir/alpha.c.o</div><div>/tmp/pgrouting/src/alpha_shape/src/alpha.c: In function ‘alphashape’:</div><div>/tmp/pgrouting/src/alpha_shape/src/alpha.c:287:16: error: ‘DBL_MAX’ undeclared (first use in this function)</div><div>       if (x == DBL_MAX && y == DBL_MAX) {</div><div>                ^</div><div>/tmp/pgrouting/src/alpha_shape/src/alpha.c:287:16: note: each undeclared identifier is reported only once for each function it appears in</div><div>src/alpha_shape/src/CMakeFiles/alpha_shape.dir/build.make:62: recipe for target 'src/alpha_shape/src/CMakeFiles/alpha_shape.dir/alpha.c.o' failed</div><div>make[2]: *** [src/alpha_shape/src/CMakeFiles/alpha_shape.dir/alpha.c.o] Error 1</div><div>make[1]: *** [src/alpha_shape/src/CMakeFiles/alpha_shape.dir/all] Error 2</div><div>CMakeFiles/Makefile2:555: recipe for target 'src/alpha_shape/src/CMakeFiles/alpha_shape.dir/all' failed</div><div>Makefile:127: recipe for target 'all' failed</div><div>make: *** [all] Error 2</div></div><div><br></div></div>