diff --git a/package/collectd/Config.in b/package/collectd/Config.in
index 495711562e..da65053234 100644
--- a/package/collectd/Config.in
+++ b/package/collectd/Config.in
@@ -235,6 +235,7 @@ config BR2_PACKAGE_COLLECTD_MYSQL
 	bool "mysql"
 	depends on BR2_INSTALL_LIBSTDCPP # mysql
 	depends on BR2_USE_MMU # mysql
+	depends on BR2_TOOLCHAIN_HAS_THREADS # mysql
 	select BR2_PACKAGE_MYSQL_CLIENT
 	help
 	  Connects to a MySQL database and issues a "show status" command.
diff --git a/package/mysql_client/Config.in b/package/mysql_client/Config.in
index 970b9b98cc..8c98b7a767 100644
--- a/package/mysql_client/Config.in
+++ b/package/mysql_client/Config.in
@@ -2,10 +2,11 @@ config BR2_PACKAGE_MYSQL_CLIENT
 	bool "MySQL client"
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_USE_MMU # fork()
+	depends on BR2_TOOLCHAIN_HAS_THREADS
 	select BR2_PACKAGE_NCURSES
 	select BR2_PACKAGE_READLINE
 	help
 	  MySQL client
 
-comment "Mysql client requires a toolchain with C++ support enabled"
-	depends on !BR2_INSTALL_LIBSTDCPP
+comment "Mysql client requires a toolchain with C++ and thread support"
+	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS
diff --git a/package/php/Config.ext b/package/php/Config.ext
index 006d7dd34a..3ba591d0de 100644
--- a/package/php/Config.ext
+++ b/package/php/Config.ext
@@ -106,6 +106,7 @@ config BR2_PACKAGE_PHP_EXT_MYSQL
 	bool "Mysql"
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_USE_MMU # mysql
+	depends on BR2_TOOLCHAIN_HAS_THREADS # mysql
 	select BR2_PACKAGE_MYSQL_CLIENT
 	help
 	  MySQL support
@@ -114,6 +115,7 @@ config BR2_PACKAGE_PHP_EXT_MYSQLI
 	bool "Mysqli"
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_USE_MMU # mysql
+	depends on BR2_TOOLCHAIN_HAS_THREADS # mysql
 	select BR2_PACKAGE_MYSQL_CLIENT
 	select BR2_PACKAGE_PHP_EXT_MYSQL
 	help
@@ -130,6 +132,7 @@ config BR2_PACKAGE_PHP_EXT_PDO_MYSQL
 	bool "MySQL"
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_USE_MMU # mysql
+	depends on BR2_TOOLCHAIN_HAS_THREADS # mysql
 	select BR2_PACKAGE_MYSQL_CLIENT
 	help
 	  PDO driver for MySQL