diff --git a/package/php/Config.ext b/package/php/Config.ext
index 8948ff3484..c96ce5f34a 100644
--- a/package/php/Config.ext
+++ b/package/php/Config.ext
@@ -169,6 +169,7 @@ config BR2_PACKAGE_PHP_EXT_PDO_MYSQL
 config BR2_PACKAGE_PHP_EXT_PDO_POSTGRESQL
 	bool "PostgreSQL"
 	depends on BR2_USE_MMU # postgresql
+	depends on !BR2_sparc # postgresql
 	depends on BR2_USE_WCHAR # postgresql
 	depends on BR2_ENABLE_LOCALE # postgresql
 	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL # postgresql
@@ -180,6 +181,7 @@ config BR2_PACKAGE_PHP_EXT_PDO_POSTGRESQL
 
 comment "PostgreSQL drivers need a toolchain w/ wchar, dynamic library"
 	depends on BR2_USE_MMU
+	depends on !BR2_sparc
 	depends on BR2_STATIC_LIBS || !BR2_USE_WCHAR
 
 comment "PostgreSQL drivers can't be built with Optimize for fast"