diff -Naur dosbox-x-dosbox-x-wip-20180513-1316/src/libs/porttalk/porttalk.cpp dosbox-x-dosbox-x-wip-20180513-1316-porttalk-fix/src/libs/porttalk/porttalk.cpp --- dosbox-x-dosbox-x-wip-20180513-1316/src/libs/porttalk/porttalk.cpp 2018-05-13 19:52:17.000000000 +0000 +++ dosbox-x-dosbox-x-wip-20180513-1316-porttalk-fix/src/libs/porttalk/porttalk.cpp 2018-05-16 12:40:17.232921780 +0000 @@ -233,7 +233,11 @@ #ifdef LINUX # if defined(__i386__) || defined(__amd64__) || defined(__x86_64__) // This Linux ioperm only works up to port 0x3FF +#if (__GNU_LIBRARY__ >= 6) #include <sys/perm.h> +#elif defined(__linux__) && !defined(__GLIBC__) +#include <sys/io.h> +#endif bool initPorttalk() { if(ioperm(0x3da,1,1) < 0) return false;