diff --git a/configure.ac b/configure.ac
index 44d9eb0..ad837ed 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,67 +1,19 @@
 AC_PREREQ([2.69])
-AC_INIT([Bip Sexy IRC Proxy], [0.9.0-rc3-git],
-  [http://bip.milkypond.org/projects/bip/activity], [bip],
-  [http://bip.milkypond.org/])
-AM_INIT_AUTOMAKE([subdir-objects])
+AC_INIT([Bip IRC Proxy],[0.9.0-rc3-git],[http://bip.milkypond.org/projects/bip/activity],[bip],[http://bip.milkypond.org/])
+AM_INIT_AUTOMAKE([foreign -Wall -Werror])
 AM_MAINTAINER_MODE
-m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
-AC_CONFIG_SRCDIR([src/bip.h])
+
 AC_CONFIG_HEADERS([src/config.h])
 
 # Checks for programs
 AC_PROG_CC
+AM_PROG_AR
 AC_PROG_RANLIB
-AM_PROG_CC_C_O
 AC_PROG_INSTALL
 AM_PROG_LEX
 AC_PROG_YACC
-# AC_PROG_YACC falls back to YACC = "yacc" if bison or byacc are not found,
-# but it does not mean it is present
-AS_IF([test x"$YACC" = "xyacc"], [
-  AC_CHECK_PROG([YACC_EXISTS], [yacc], [yes], [no])
-  AS_IF([test x"$YACC_EXISTS" != xyes], [
-    YACC=${am_missing_run}yacc
-  ])
-])
-
-# Checks for header files.
-AC_FUNC_ALLOCA
-AC_CHECK_HEADERS([arpa/inet.h fcntl.h inttypes.h libintl.h limits.h malloc.h \
-                  netdb.h netinet/in.h stddef.h stdint.h stdlib.h string.h \
-                  sys/socket.h sys/time.h termios.h unistd.h])
-
-# Checks for typedefs, structures, and compiler characteristics.
-AC_C_INLINE
-AC_TYPE_INT16_T
-AC_TYPE_INT32_T
-AC_TYPE_INT8_T
-AC_TYPE_PID_T
-AC_TYPE_SIZE_T
-AC_TYPE_SSIZE_T
-AC_TYPE_UINT16_T
-AC_TYPE_UINT32_T
-AC_TYPE_UINT8_T
-
-AX_C___ATTRIBUTE__
-AH_BOTTOM([
-/* Unused attributes such as function parameters (GCC extension) */
-#ifdef HAVE___ATTRIBUTE__
-# define UNUSED(ATTRIBUTE) ATTRIBUTE __attribute__((unused))
-#else
-# define UNUSED(ATTRIBUTE) ATTRIBUTE
-#endif])
-
-# Checks for library functions.
-AC_FUNC_FORK
-AC_FUNC_MALLOC
-AC_FUNC_MKTIME
-AC_FUNC_REALLOC
-AC_CHECK_FUNCS(clock_gettime ftruncate gethostname gettimeofday localtime_r memmove)
-AC_CHECK_FUNCS(memset mkdir select socket strcasecmp strchr strcspn strdup strerror)
-AC_CHECK_FUNCS(strrchr strstr)
 
 # Deal with parameters
-
 AC_ARG_ENABLE([debug], AS_HELP_STRING([--enable-debug], [Enable debug build]))
 AC_ARG_WITH([openssl], AS_HELP_STRING([--without-openssl],
   [Disable SSL using OpenSSL]))
diff --git a/src/Makefile.am b/src/Makefile.am
index 5d7f516..04b6ee7 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -20,5 +20,3 @@ bip_LDADD = libbip.a
 bipmkpw_SOURCES = bipmkpw.c md5.c util.c
 AM_YFLAGS= -d
 BUILT_SOURCES = conf.c conf.h lex.c
-
-AM_CFLAGS=-Wall -Wextra -Werror
diff --git a/src/irc.c b/src/irc.c
index f46f4dd..7a1cbbf 100644
--- a/src/irc.c
+++ b/src/irc.c
@@ -51,8 +51,8 @@ static void ls_set_nick(struct link_server *ircs, char *nick);
 static void server_set_chanmodes(struct link_server *l, const char *chanmodes);
 static void server_set_prefix(struct link_server *l, const char *prefix);
 static void server_init_modes(struct link_server *s);
-static int get_index(const char* str, char car);
-static int fls(int v);
+static int bip_get_index(const char* str, char car);
+static int bip_fls(int v);
 
 #ifdef HAVE_OIDENTD
 #define OIDENTD_FILENAME ".oidentd.conf"
@@ -137,7 +137,7 @@ list_t *channel_name_list(struct link_server *server, struct channel *c)
 
 		// prepend symbol corresponding to the usermode
 		int msb;
-		if ((msb = fls(ovmask))) {
+		if ((msb = bip_fls(ovmask))) {
 			str[len] = server->prefixes[msb - 1];
 			str[++len] = 0;
 		}
@@ -314,8 +314,9 @@ static int irc_352(struct link_server *server, struct line *line)
 	return OK_COPY_WHO;
 }
 
-static int irc_315(struct link_server *server, UNUSED(struct line *l))
+static int irc_315(struct link_server *server, struct line *l)
 {
+	(void)l;
 	struct link *link = LINK(server);
 	if (link->who_client) {
 		if (link->who_client->who_count == 0) {
@@ -1400,7 +1401,7 @@ static int irc_353(struct link_server *server, struct line *line)
 		long int ovmask = 0;
 		/* some ircds (e.g. unreal) may display several flags for the
                    same nick */
-		while ((index = get_index(server->prefixes, *names))) {
+		while ((index = bip_get_index(server->prefixes, *names))) {
 			ovmask |= 1 << index;
 			names++;
 		}
@@ -1446,8 +1447,9 @@ static int irc_367(struct link_server *server, struct line *l)
 }
 
 /* same as irc_315 */
-static int irc_368(struct link_server *server, UNUSED(struct line *l))
+static int irc_368(struct link_server *server, struct line *l)
 {
+	(void)l;
 	struct link *link = LINK(server);
 	if (link->who_client) {
 		if (link->who_client->who_count == 0) {
@@ -1683,7 +1685,7 @@ static int irc_mode_channel(struct link_server *s, struct channel *channel,
 				channel->key = NULL;
 			}
 		}
-	} else if ((index = get_index(s->usermodes, *mode))) {
+	} else if ((index = bip_get_index(s->usermodes, *mode))) {
 		nick = irc_line_elem(line, cur_arg + 3);
 
 		if (!hash_includes(&channel->ovmasks, nick))
@@ -2713,7 +2715,7 @@ static void server_set_prefix(struct link_server *s, const char *modes)
 }
 
 // Return the position (*1 based*) of car in str, else -1
-static int get_index(const char* str, char car)
+static int bip_get_index(const char* str, char car)
 {
 	char *cur;
 	if ((cur = strchr(str, car)))
@@ -2722,7 +2724,7 @@ static int get_index(const char* str, char car)
 		return 0;
 }
 
-static int fls(int v)
+static int bip_fls(int v)
 {
 	unsigned int r = 0;
 	while (v >>= 1)
diff --git a/src/log.c b/src/log.c
index 457337a..de53430 100644
--- a/src/log.c
+++ b/src/log.c
@@ -11,14 +11,13 @@
  * See the file "COPYING" for the exact licensing terms.
  */
 
-#define _XOPEN_SOURCE 500
-
 #include "config.h"
 #include "log.h"
 #include "irc.h"
 #include "util.h"
 #include <sys/time.h>
 #include <stdio.h>
+#include <string.h>
 
 extern int errno;
 extern int log_level;
@@ -713,7 +712,7 @@ void log_reset_all(log_t *logdata)
 		if (ischannel(*hash_it_key(&hi)))
 			log_reset(store);
 		else
-			list_add_last(&drop, strdup(hash_it_key(&hi)));
+			list_add_last(&drop, bip_strdup(hash_it_key(&hi)));
 	}
 
 	char *name;