-gfortran -g -w -O2 -Wtabs -ffixed-line-length-132 -Wl,-z,relro -fstack-protector-strong -o balls balls.f
-mpifort -cpp -DDOUB -g -O2 -fdebug-prefix-map=/«PKGBUILDDIR»=. -fstack-protector-strong -c -o paste.o paste.f90
+gfortran -g -w -O2 -Wtabs -ffixed-line-length-132 -Wl,-z,relro -fstack-protector-strong -fstack-clash-protection -o balls balls.f
+mpifort -cpp -DDOUB -g -O2 -fdebug-prefix-map=/«PKGBUILDDIR»=. -fstack-protector-strong -fstack-clash-protection -c -o paste.o paste.f90