-export CFLAGS="-I$HOME/local/include -I/usr/local/include"
-export LDFLAGS="-L$HOME/local/lib -L/usr/local/lib"
+cflags=(-I$HOME/local/include -I/usr/local/include -I/usr/local/include/PCSC)
+ldflags=(-L$HOME/local/lib -L/usr/local/lib)
+export CFLAGS="${(j: :)cflags}" LDFLAGS="${(j: :)ldflags}"