diff --git a/src/core/ignore.c b/src/core/ignore.c
index 67ff0504..16005111 100644
--- a/src/core/ignore.c
+++ b/src/core/ignore.c
@@ -117,10 +117,13 @@ int ignore_check(SERVER_REC *server, const char *nick, const char *host,
 				if (patt_len <= best_patt) continue;
 			}
 
+#ifdef HAVE_REGEX_H
 			if (rec->regexp) {
 				ok = !rec->regexp_compiled ? FALSE :
 					regexec(&rec->preg, text, 0, NULL, 0) == 0;
-			} else {
+			} else
+#endif
+			{
 				ok = rec->fullword ?
 					stristr_full(text, rec->pattern) != NULL :
 					stristr(text, rec->pattern) != NULL;
@@ -257,10 +260,11 @@ static void ignore_remove_config(IGNORE_REC *rec)
 
 void ignore_add_rec(IGNORE_REC *rec)
 {
+#ifdef HAVE_REGEX_H
 	rec->regexp_compiled = !rec->regexp || rec->pattern == NULL ? FALSE :
 		regcomp(&rec->preg, rec->pattern,
 			REG_EXTENDED|REG_ICASE|REG_NOSUB) == 0;
-
+#endif
 	ignores = g_slist_append(ignores, rec);
 	ignore_set_config(rec);
 
@@ -272,7 +276,9 @@ static void ignore_destroy(IGNORE_REC *rec)
 	ignores = g_slist_remove(ignores, rec);
 	signal_emit("ignore destroyed", 1, rec);
 
+#ifdef HAVE_REGEX_H
 	if (rec->regexp_compiled) regfree(&rec->preg);
+#endif
 	if (rec->time_tag > 0) g_source_remove(rec->time_tag);
 	if (rec->channels != NULL) g_strfreev(rec->channels);
 	g_free_not_null(rec->mask);
diff --git a/src/fe-common/core/fe-core-commands.c b/src/fe-common/core/fe-core-commands.c
index b3c607ed..c942c3dd 100644
--- a/src/fe-common/core/fe-core-commands.c
+++ b/src/fe-common/core/fe-core-commands.c
@@ -185,7 +185,8 @@ static void show_help(const char *data)
 	if (last != NULL && g_strcasecmp(rec->cmd, last->cmd) == 0)
 	    continue; /* don't display same command twice */
 
-	if (strlen(rec->cmd) >= findlen && g_strncasecmp(rec->cmd, data, findlen) == 0)
+	if ((int)strlen(rec->cmd) >= findlen && 
+		g_strncasecmp(rec->cmd, data, findlen) == 0)
 	{
 	    if (rec->cmd[findlen] == '\0')
 	    {
@@ -306,8 +307,8 @@ static void cmd_cat(const char *data)
 /* SYNTAX: EXEC <cmd line> */
 static void cmd_exec(const char *cmdline)
 {
-        int buflen = 512;
-	char tmpbuf[buflen];
+#ifndef WIN32
+	char tmpbuf[512];
 	char *foo;
 	FILE *stream;
 
@@ -320,7 +321,7 @@ static void cmd_exec(const char *cmdline)
 		return;
 	}
 
-	while (fgets(tmpbuf, buflen, stream)) {
+	while (fgets(tmpbuf, sizeof(tmpbuf), stream)) {
 		/*  strip \n characters appended from fgets
 		    This is safer than using gets, though it is more work tbd
 		*/
@@ -337,9 +338,9 @@ static void cmd_exec(const char *cmdline)
 	}
 	
 	pclose(stream);
+#endif
 }
 
-
 /* SYNTAX: BEEP */
 static void cmd_beep(void)
 {
diff --git a/src/fe-text/gui-windows.c b/src/fe-text/gui-windows.c
index f17dec81..acc2c2f3 100644
--- a/src/fe-text/gui-windows.c
+++ b/src/fe-text/gui-windows.c
@@ -33,7 +33,9 @@
 #include "gui-entry.h"
 #include "gui-windows.h"
 
-#include <regex.h>
+#ifdef HAVE_REGEX_H
+#  include <regex.h>
+#endif
 
 /* how often to scan line cache for lines not accessed for a while (ms) */
 #define LINE_CACHE_CHECK_TIME (5*60*1000)
@@ -740,7 +742,9 @@ static void signal_window_item_update(WINDOW_REC *window)
 
 GList *gui_window_find_text(WINDOW_REC *window, gchar *text, GList *startline, int regexp, int fullword)
 {
+#ifdef HAVE_REGEX_H
     regex_t preg;
+#endif
     GList *tmp;
     GList *matches;
     gchar *str, *ptr;
@@ -751,8 +755,10 @@ GList *gui_window_find_text(WINDOW_REC *window, gchar *text, GList *startline, i
 
     matches = NULL; size = 1024; str = g_malloc(1024);
 
+#ifdef HAVE_REGEX_H
     if (regcomp(&preg, text, REG_ICASE|REG_EXTENDED|REG_NOSUB) != 0)
 	    return 0;
+#endif
 
     if (startline == NULL) startline = WINDOW_GUI(window)->lines;
     for (tmp = startline; tmp != NULL; tmp = tmp->next)
@@ -790,15 +796,19 @@ GList *gui_window_find_text(WINDOW_REC *window, gchar *text, GList *startline, i
 	}
         str[n] = '\0';
 
-	if (regexp ? regexec(&preg, str, 0, NULL, 0) == 0 :
+	if (
+#ifdef HAVE_REGEX_H
+		regexp ? regexec(&preg, str, 0, NULL, 0) == 0 :
+#endif
 	    fullword ? stristr_full(str, text) != NULL :
 	    stristr(str, text) != NULL) {
                 /* matched */
 		matches = g_list_append(matches, rec);
 	}
     }
+#ifdef HAVE_REGEX_H
     regfree(&preg);
-
+#endif
     if (str != NULL) g_free(str);
     return matches;
 }
diff --git a/src/fe-text/screen.c b/src/fe-text/screen.c
index e4458c6c..917cb133 100644
--- a/src/fe-text/screen.c
+++ b/src/fe-text/screen.c
@@ -90,12 +90,14 @@ static void read_signals(void)
 	const char *ignores;
 
 	ignores = settings_get_str("ignore_signals");
+#ifndef WIN32
 	signal(SIGHUP, find_substr(ignores, "hup") ? SIG_IGN : SIG_DFL);
 	signal(SIGQUIT, find_substr(ignores, "quit") ? SIG_IGN : SIG_DFL);
 	signal(SIGTERM, find_substr(ignores, "term") ? SIG_IGN : SIG_DFL);
 	signal(SIGALRM, find_substr(ignores, "alrm") ? SIG_IGN : SIG_DFL);
 	signal(SIGUSR1, find_substr(ignores, "usr1") ? SIG_IGN : SIG_DFL);
 	signal(SIGUSR2, find_substr(ignores, "usr2") ? SIG_IGN : SIG_DFL);
+#endif
 }
 
 static void read_settings(void)
@@ -111,7 +113,9 @@ static int init_curses(void)
 {
 	char ansi_tab[8] = { 0, 4, 2, 6, 1, 5, 3, 7 };
 	int num;
+#ifndef WIN32
 	struct sigaction act;
+#endif
 
 	if (!initscr())
 		return FALSE;
@@ -119,10 +123,12 @@ static int init_curses(void)
 	if (COLS < MIN_SCREEN_WIDTH)
 		COLS = MIN_SCREEN_WIDTH;
 
+#ifndef WIN32
 	sigemptyset (&act.sa_mask);
 	act.sa_flags = 0;
 	act.sa_handler = sigint_handler;
 	sigaction(SIGINT, &act, NULL);
+#endif
 #ifdef SIGWINCH
 	act.sa_handler = sig_winch;
 	sigaction(SIGWINCH, &act, NULL);