fix build on alpine

.gitignore

@@ -26,6 +26,7 @@ config.guess
 config.log
 config.status
 config.sub
+configure.lineno
 install-sh
 depcomp
 missing

src/rmbt_stats.h

@@ -19,7 +19,7 @@
 
 #include "rmbt_common.h"
 
-#include <stdatomic.h>
+#include <sys/socket.h>
 
 #include "rmbt_json.h"
 
@@ -29,72 +29,72 @@
  * The "introduced in" comments refer to git commit ids of the linux kernel sources.
  * */
 struct rmbt_tcp_info {
-	u_int8_t	tcpi_state;
-	u_int8_t	tcpi_ca_state;
-	u_int8_t	tcpi_retransmits;
-	u_int8_t	tcpi_probes;
-	u_int8_t	tcpi_backoff;
-	u_int8_t	tcpi_options;
-	u_int8_t	tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
+	uint8_t	tcpi_state;
+	uint8_t	tcpi_ca_state;
+	uint8_t	tcpi_retransmits;
+	uint8_t	tcpi_probes;
+	uint8_t	tcpi_backoff;
+	uint8_t	tcpi_options;
+	uint8_t	tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
 	/* next one introduced in eb8329e0a04db0061f714f033b4454326ba147f4 (4.9) */
-	u_int8_t	tcpi_delivery_rate_app_limited:1;
+	uint8_t	tcpi_delivery_rate_app_limited:1;
 
-	u_int32_t	tcpi_rto;
-	u_int32_t	tcpi_ato;
-	u_int32_t	tcpi_snd_mss;
-	u_int32_t	tcpi_rcv_mss;
+	uint32_t	tcpi_rto;
+	uint32_t	tcpi_ato;
+	uint32_t	tcpi_snd_mss;
+	uint32_t	tcpi_rcv_mss;
 
-	u_int32_t	tcpi_unacked;
-	u_int32_t	tcpi_sacked;
-	u_int32_t	tcpi_lost;
-	u_int32_t	tcpi_retrans;
-	u_int32_t	tcpi_fackets;
+	uint32_t	tcpi_unacked;
+	uint32_t	tcpi_sacked;
+	uint32_t	tcpi_lost;
+	uint32_t	tcpi_retrans;
+	uint32_t	tcpi_fackets;
 
 	/* Times. */
-	u_int32_t	tcpi_last_data_sent;
-	u_int32_t	tcpi_last_ack_sent;
-	u_int32_t	tcpi_last_data_recv;
-	u_int32_t	tcpi_last_ack_recv;
+	uint32_t	tcpi_last_data_sent;
+	uint32_t	tcpi_last_ack_sent;
+	uint32_t	tcpi_last_data_recv;
+	uint32_t	tcpi_last_ack_recv;
 
 	/* Metrics. */
-	u_int32_t	tcpi_pmtu;
-	u_int32_t	tcpi_rcv_ssthresh;
-	u_int32_t	tcpi_rtt;
-	u_int32_t	tcpi_rttvar;
-	u_int32_t	tcpi_snd_ssthresh;
-	u_int32_t	tcpi_snd_cwnd;
-	u_int32_t	tcpi_advmss;
-	u_int32_t	tcpi_reordering;
-
-	u_int32_t	tcpi_rcv_rtt;
-	u_int32_t	tcpi_rcv_space;
-
-	u_int32_t	tcpi_total_retrans;
-
-	u_int64_t	tcpi_pacing_rate;
-	u_int64_t	tcpi_max_pacing_rate;
+	uint32_t	tcpi_pmtu;
+	uint32_t	tcpi_rcv_ssthresh;
+	uint32_t	tcpi_rtt;
+	uint32_t	tcpi_rttvar;
+	uint32_t	tcpi_snd_ssthresh;
+	uint32_t	tcpi_snd_cwnd;
+	uint32_t	tcpi_advmss;
+	uint32_t	tcpi_reordering;
+
+	uint32_t	tcpi_rcv_rtt;
+	uint32_t	tcpi_rcv_space;
+
+	uint32_t	tcpi_total_retrans;
+
+	uint64_t	tcpi_pacing_rate;
+	uint64_t	tcpi_max_pacing_rate;
 	/* introduced in 0df48c26d8418c5c9fba63fac15b660d70ca2f1c (4.1) */
-	u_int64_t	tcpi_bytes_acked;
+	uint64_t	tcpi_bytes_acked;
 	/* introduced in bdd1f9edacb5f5835d1e6276571bbbe5b88ded48 (4.1) */
-	u_int64_t	tcpi_bytes_received;
+	uint64_t	tcpi_bytes_received;
 	/* introduced in 2efd055c53c06b7e89c167c98069bab9afce7e59 (4.2) */
-	u_int32_t	tcpi_segs_out;
-	u_int32_t	tcpi_segs_in;
+	uint32_t	tcpi_segs_out;
+	uint32_t	tcpi_segs_in;
 
 	/* introduced in cd9b266095f422267bddbec88f9098b48ea548fc (4.6) */
-	u_int32_t	tcpi_notsent_bytes;
-	u_int32_t	tcpi_min_rtt;
+	uint32_t	tcpi_notsent_bytes;
+	uint32_t	tcpi_min_rtt;
 	/* introduced in a44d6eacdaf56f74fad699af7f4925a5f5ac0e7f (4.6) */
-	u_int32_t	tcpi_data_segs_in;
-	u_int32_t	tcpi_data_segs_out;
+	uint32_t	tcpi_data_segs_in;
+	uint32_t	tcpi_data_segs_out;
 
 	/* introduced in eb8329e0a04db0061f714f033b4454326ba147f4 (4.9) */
-	u_int64_t	tcpi_delivery_rate;
+	uint64_t	tcpi_delivery_rate;
 
 	/* introduced in efd90174167530c67a54273fd5d8369c87f9bd32 (4.10) */
-	u_int64_t	tcpi_busy_time;
-	u_int64_t	tcpi_rwnd_limited;
-	u_int64_t	tcpi_sndbuf_limited;
+	uint64_t	tcpi_busy_time;
+	uint64_t	tcpi_rwnd_limited;
+	uint64_t	tcpi_sndbuf_limited;
 };
 
 /* macro to check if specified member was actually returned by getsockopt