I tried compiling the ground traffic and got errors. This is what I got in the terminal:
greg@greg-System-2:/media/greg/Link to X-Plane 11/Custom Scenery/GroundTraffic-master/src$ make -f Makefile.lin
gcc -march=core2 -ffast-math -pipe -Wall -Wdouble-promotion -Winline -Wno-missing-braces -static-libgcc -shared -fPIC -fvisibility=hidden -O3 -s -DNDEBUG -DAPL=0 -DIBM=0 -DLIN=1 -DVERSION=2.2 -I../../XPSDK302/CHeaders/XPLM -I../../XPSDK302/CHeaders/Widgets -m32 -c -o Linux32/groundtraffic.o groundtraffic.c
In file included from groundtraffic.c:9:
groundtraffic.h:58:12: fatal error: GL/gl.h: No such file or directory
58 | # include <GL/gl.h>
compilation terminated.
make: *** [Makefile.lin:66: Linux32/groundtraffic.o] Error 1
I tried compiling the ground traffic and got errors. This is what I got in the terminal: greg@greg-System-2:/media/greg/Link to X-Plane 11/Custom Scenery/GroundTraffic-master/src$ make -f Makefile.lin gcc -march=core2 -ffast-math -pipe -Wall -Wdouble-promotion -Winline -Wno-missing-braces -static-libgcc -shared -fPIC -fvisibility=hidden -O3 -s -DNDEBUG -DAPL=0 -DIBM=0 -DLIN=1 -DVERSION=2.2 -I../../XPSDK302/CHeaders/XPLM -I../../XPSDK302/CHeaders/Widgets -m32 -c -o Linux32/groundtraffic.o groundtraffic.c In file included from groundtraffic.c:9: groundtraffic.h:58:12: fatal error: GL/gl.h: No such file or directory 58 | # include <GL/gl.h> compilation terminated. make: *** [Makefile.lin:66: Linux32/groundtraffic.o] Error 1