Start work on GNU

src/detection/loadavg/loadavg_linux.c

@@ -19,7 +19,7 @@ const char* ffDetectLoadavg(double result[3])
     }
 
     #endif
-
+    #ifndef __GNU__
     // getloadavg requires higher ANDROID_API version
     struct sysinfo si;
     if (sysinfo(&si) < 0)
@@ -27,5 +27,6 @@ const char* ffDetectLoadavg(double result[3])
 
     for (int i = 0; i < 3; i++)
         result[i] = (double) si.loads[i] / (1 << SI_LOAD_SHIFT);
+    #endif
     return NULL;
 }

src/detection/localip/localip_linux.c

@@ -29,6 +29,7 @@
 #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__APPLE__) || defined(__NetBSD__) || defined(__HAIKU__)
 #include <net/if_media.h>
 #include <net/if_dl.h>
+#elif defined(__GNU__)
 #else
 #include <netpacket/packet.h>
 #endif
@@ -69,12 +70,14 @@ static const FFLocalIpNIFlag niFlagOptions[] = {
 #ifdef IFF_NOTRAILERS
     FF_LOCALIP_NIFLAG(NOTRAILERS),
 #endif
-#ifdef __linux__
+#if defined( __linux__) || defined (__GNU__)
     FF_LOCALIP_NIFLAG(MASTER),
     FF_LOCALIP_NIFLAG(SLAVE),
     FF_LOCALIP_NIFLAG(PORTSEL),
     FF_LOCALIP_NIFLAG(AUTOMEDIA),
     FF_LOCALIP_NIFLAG(DYNAMIC),
+#endif
+#ifdef __linux__
     FF_LOCALIP_NIFLAG(LOWER_UP),
     FF_LOCALIP_NIFLAG(DORMANT),
     FF_LOCALIP_NIFLAG(ECHO),
@@ -562,6 +565,7 @@ const char* ffDetectLocalIps(const FFLocalIpOptions* options, FFlist* results)
                 FF_DEBUG("No MAC address available for interface %s", adapter->mac->ifa_name);
             }
         }
+        #elif defined(__GNU__)
         #else
         (void) adapter;
         #endif

src/detection/uptime/uptime_linux.c

@@ -26,13 +26,13 @@ const char* ffDetectUptime(FFUptimeResult* result)
     }
 
     #endif
-
+    #ifndef __GNU__
     struct timespec uptime;
     if (clock_gettime(CLOCK_BOOTTIME, &uptime) != 0)
         return "clock_gettime(CLOCK_BOOTTIME) failed";
 
     result->uptime = (uint64_t) uptime.tv_sec * 1000 + (uint64_t) uptime.tv_nsec / 1000000;
     result->bootTime = ffTimeGetNow() - result->uptime;
-
+    #endif
     return NULL;
 }

src/detection/version/version.c

@@ -54,6 +54,8 @@
     #define FF_SYSNAME "NetBSD"
 #elif defined(__HAIKU__)
     #define FF_SYSNAME "Haiku"
+#elif defined(__GNU__)
+    #define FF_SYSNAME "GNU"
 #else
     #define FF_SYSNAME "Unknown"
 #endif