diff --git a/Makefile b/Makefile
index f4b225d..8d8dcac 100644
--- a/Makefile
+++ b/Makefile
@@ -1,16 +1,20 @@
 
 CC=gcc
-CFLAGS=-std=gnu11 -Wall -Wno-unused-but-set-variable
-LIBS=-lssl -lcrypto -lmagic -lz -lmaxminddb -lbrotlienc
+CFLAGS=-std=gnu11 -Wno-unused-but-set-variable -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE -D_POSIX_C_SOURCE=200809L
+LDFLAGS=-lssl -lcrypto -lmagic -lz -lmaxminddb -lbrotlienc
 
 DEBIAN_OPTS=-D CACHE_MAGIC_FILE="\"/usr/share/file/magic.mgc\"" -D PHP_FPM_SOCKET="\"/var/run/php/php7.4-fpm.sock\""
 
-.PHONY: all prod debug default permit clean test
+.PHONY: all prod debug default debian permit clean test
 all: prod
-default: bin bin/lib bin/libsesimos.so bin/sesimos
+default: bin bin/lib bin/sesimos
+
 prod: CFLAGS += -O3
 prod: default
+
+debug: CFLAGS += -Wall -pedantic
 debug: default
+
 debian: CFLAGS += $(DEBIAN_OPTS)
 debian: prod
 
@@ -34,15 +38,13 @@ bin/%.o: src/%.c
 	$(CC) -c -o $@ $(CFLAGS) $<
 
 bin/lib/%.o: src/lib/%.c
-	$(CC) -c -o $@ $(CFLAGS) -fPIC $<
+	$(CC) -c -o $@ $(CFLAGS) $<
 
-bin/libsesimos.so: bin/lib/cache.o bin/lib/compress.o bin/lib/config.o bin/lib/fastcgi.o bin/lib/geoip.o \
-				   bin/lib/http.o bin/lib/http_static.o bin/lib/rev_proxy.o bin/lib/sock.o bin/lib/uri.o \
-				   bin/lib/utils.o bin/lib/websocket.o
-	$(CC) -o $@ --shared -fPIC $(CFLAGS) $^ $(LIBS)
-
-bin/sesimos: bin/server.o bin/client.o
-	$(CC) -o $@ $^ $(CFLAGS) -Lbin -lsesimos -Wl,-rpath=$(shell pwd)/bin $(LIBS)
+bin/sesimos: bin/server.o bin/client.o \
+			 bin/lib/cache.o bin/lib/compress.o bin/lib/config.o bin/lib/fastcgi.o bin/lib/geoip.o \
+			 bin/lib/http.o bin/lib/http_static.o bin/lib/rev_proxy.o bin/lib/sock.o bin/lib/uri.o \
+		     bin/lib/utils.o bin/lib/websocket.o
+	$(CC) -o $@ $^ $(CFLAGS) $(LDFLAGS)
 
 
 bin/server.o: src/server.h src/defs.h src/client.h src/lib/cache.h src/lib/config.h src/lib/sock.h \
diff --git a/src/lib/websocket.c b/src/lib/websocket.c
index a3dacdd..b19d486 100644
--- a/src/lib/websocket.c
+++ b/src/lib/websocket.c
@@ -15,8 +15,8 @@
 #include <errno.h>
 #include <signal.h>
 
-
-volatile sig_atomic_t terminate = 0;
+static const char *ws_key_uuid = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
+static volatile sig_atomic_t terminate = 0;
 
 void ws_terminate(int _) {
     terminate = 1;
diff --git a/src/lib/websocket.h b/src/lib/websocket.h
index 0f372d0..f67b3b4 100644
--- a/src/lib/websocket.h
+++ b/src/lib/websocket.h
@@ -13,8 +13,6 @@
 
 #define WS_TIMEOUT 3600
 
-const char *ws_key_uuid = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
-
 typedef struct {
     unsigned char f_fin:1;
     unsigned char f_rsv1:1;
diff --git a/src/server.c b/src/server.c
index 4836da5..4dc2790 100644
--- a/src/server.c
+++ b/src/server.c
@@ -6,8 +6,6 @@
  * @date 2020-12-03
  */
 
-#define _POSIX_C_SOURCE 199309L
-
 #include "defs.h"
 #include "server.h"
 #include "client.h"