diff --git a/package/php/Config.ext b/package/php/Config.ext
index 935f966a19..1d9c2fe68f 100644
--- a/package/php/Config.ext
+++ b/package/php/Config.ext
@@ -149,6 +149,7 @@ comment "MySQL drivers need a toolchain w/ C++, threads"
 config BR2_PACKAGE_PHP_EXT_PDO_POSTGRESQL
 	bool "PostgreSQL"
 	select BR2_PACKAGE_POSTGRESQL
+	depends on BR2_USE_MMU # postgresql
 	help
 	  PDO driver for PostgreSQL
 
diff --git a/package/postgresql/Config.in b/package/postgresql/Config.in
index 519b2a17a1..4c53703568 100644
--- a/package/postgresql/Config.in
+++ b/package/postgresql/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_POSTGRESQL
 	bool "postgresql"
+	depends on BR2_USE_MMU # fork()
 	help
 	  PostgreSQL is a powerful, open source object-relational
 	  database system.
diff --git a/package/postgresql/postgresql.mk b/package/postgresql/postgresql.mk
index d426093a30..7dc3f0bf02 100644
--- a/package/postgresql/postgresql.mk
+++ b/package/postgresql/postgresql.mk
@@ -13,11 +13,6 @@ POSTGRESQL_LICENSE_FILES = COPYRIGHT
 POSTGRESQL_INSTALL_STAGING = YES
 POSTGRESQL_CONFIG_SCRIPTS = pg_config
 
-# In most cases, postgresql configure script is able to guess the
-# platform, except for noMMU platforms that use the 'uclinux' host
-# qualifier, as is the case on Blackfin
-POSTGRESQL_CONF_OPTS = --with-template=linux
-
 ifeq ($(BR2_TOOLCHAIN_USES_UCLIBC),y)
 # overwrite IPV6 detection
 ifeq ($(BR2_INET_IPV6),y)
@@ -36,7 +31,7 @@ ifneq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
 	POSTGRESQL_CONF_OPTS += --disable-thread-safety
 endif
 
-ifeq ($(BR2_bfin)$(BR2_microblazeel)$(BR2_microblazebe)$(BR2_nios2)$(BR2_xtensa),y)
+ifeq ($(BR2_microblazeel)$(BR2_microblazebe)$(BR2_nios2)$(BR2_xtensa),y)
 	POSTGRESQL_CONF_OPTS += --disable-spinlocks
 endif
 
diff --git a/package/qt5/qt5base/Config.in b/package/qt5/qt5base/Config.in
index 17ed5db077..20fd905849 100644
--- a/package/qt5/qt5base/Config.in
+++ b/package/qt5/qt5base/Config.in
@@ -60,6 +60,7 @@ config BR2_PACKAGE_QT5BASE_MYSQL
 config BR2_PACKAGE_QT5BASE_PSQL
 	bool "PostgreSQL Plugin"
 	select BR2_PACKAGE_POSTGRESQL
+	depends on BR2_USE_MMU # postgresql
 	help
 	  Build PostgreSQL plugin
 	  If unsure, say n.