diff -Naur a/acinclude.m4 b/acinclude.m4
--- a/acinclude.m4	2011-02-20 00:02:39.000000000 +0100
+++ b/acinclude.m4	2024-11-05 09:48:16.886651846 +0100
@@ -191,7 +191,7 @@
 		PGSQL_INCLUDE=-I$ac_pgsql_incdir
 	fi
 	if test "$ac_pgsql_libdir" = "no"; then
-		PGSQL_LDFLAGS=`pg_config --libdir`
+		PGSQL_LDFLAGS=-L`pg_config --libdir`
 	else
 		PGSQL_LDFLAGS=-L$ac_pgsql_libdir
 	fi
diff -Naur a/drivers/firebird/dbd_firebird.c b/drivers/firebird/dbd_firebird.c
--- a/drivers/firebird/dbd_firebird.c	2013-01-09 22:20:07.000000000 +0100
+++ b/drivers/firebird/dbd_firebird.c	2024-11-05 09:42:54.279985607 +0100
@@ -43,6 +43,7 @@
 #include <string.h>
 #include <time.h>
 #include <ibase.h>
+#include <ctype>
 
 #include "dbd_firebird.h"
 #include "firebird_charsets.h"
diff -Naur a/drivers/sqlite3/dbd_sqlite3.c b/drivers/sqlite3/dbd_sqlite3.c
--- a/drivers/sqlite3/dbd_sqlite3.c	2013-01-23 00:29:13.000000000 +0100
+++ b/drivers/sqlite3/dbd_sqlite3.c	2024-11-05 09:47:21.523318589 +0100
@@ -580,7 +580,8 @@
   unsigned char *temp;
   size_t len;
 
-  if ((temp = malloc(from_length*2)) == NULL) {
+  /* allocate an extra byte for NULL and two for the quotes */
+  if ((temp = malloc(2*from_length+1+2)) == NULL) {
     return 0;
   }
 
@@ -1451,7 +1452,7 @@
 		    break;
 		  }
 
-		  word_lower[item-start+1];
+		  char word_lower[item-start+1];
 		  strncpy(word_lower,start,item-start);
 		  word_lower[item-start] = '\0';
 		  int i = 0;
diff -Naur a/tests/cgreen/src/constraint.c b/tests/cgreen/src/constraint.c
--- a/tests/cgreen/src/constraint.c	2010-07-19 23:49:44.000000000 +0200
+++ b/tests/cgreen/src/constraint.c	2024-11-05 10:36:00.436648221 +0100
@@ -22,7 +22,7 @@
 static double as_double(intptr_t box);
 
 static int compare_using_matcher(Constraint *constraint, intptr_t actual);
-static void test_with_matcher(Constraint *constraint, const char *function, const char* matcher_name, intptr_t actual, const char *test_file, int test_line, TestReporter *reporter);
+static void test_with_matcher(Constraint *constraint, const char *function, intptr_t matcher_function, const char *test_file, int test_line, TestReporter *reporter);
 
 
 void destroy_constraint(void *abstract) {
@@ -164,11 +164,11 @@
 }
 
 static int compare_using_matcher(Constraint *constraint, intptr_t actual) {
-	int (*matches)(const void*) = constraint->expected;
-    return matches(actual);
+    int (*matches)(const void*) = (int (*)(const void*)) constraint->expected;
+    return matches((const void *)actual);
 }
 
-static void test_with_matcher(Constraint *constraint, const char *function, const char* matcher_name, intptr_t matcher_function, const char *test_file, int test_line, TestReporter *reporter) {
+static void test_with_matcher(Constraint *constraint, const char *function, intptr_t matcher_function, const char *test_file, int test_line, TestReporter *reporter) {
     (*reporter->assert_true)(
             reporter,
             test_file,
@@ -176,7 +176,7 @@
             (*constraint->compare)(constraint, matcher_function),
             "Wanted parameter [%s] to match [%s] in function [%s]",
             constraint->parameter,
-            matcher_name,
+            constraint->name,
             function);
 }
 
diff -Naur a/tests/cgreen/src/unit.c b/tests/cgreen/src/unit.c
--- a/tests/cgreen/src/unit.c	2010-07-19 23:49:44.000000000 +0200
+++ b/tests/cgreen/src/unit.c	2024-11-05 10:41:24.526647788 +0100
@@ -9,6 +9,7 @@
 #include <stdarg.h>
 #include <unistd.h>
 #include <signal.h>
+#include <sys/wait.h>
 
 enum {test_function, test_suite};