package/php: add support for PostgreSQL (non-PDO)

Needed for example for phppgadmin.

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
[Thomas: add missing BR2_USE_WCHAR dependency.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/php/Config.ext

@@ -117,6 +117,19 @@ config BR2_PACKAGE_PHP_EXT_MYSQLI
 	help
 	  MySQL Improved extension support
 
+config BR2_PACKAGE_PHP_EXT_PGSQL
+	bool "PostgreSQL"
+	depends on BR2_USE_MMU # postgresql
+	depends on !BR2_STATIC_LIBS
+	depends on BR2_USE_WCHAR # postgresql
+	select BR2_PACKAGE_POSTGRESQL
+	help
+	  PostgreSQL support
+
+comment "PostgreSQL extension needs a toolchain w/ dynamic library, wchar"
+	depends on BR2_USE_MMU
+	depends on BR2_STATIC_LIBS || !BR2_USE_WCHAR
+
 config BR2_PACKAGE_PHP_EXT_SQLITE
 	bool "SQLite3"
 	select BR2_PACKAGE_SQLITE

package/php/php.mk

@@ -196,6 +196,12 @@ endif
 ifeq ($(BR2_PACKAGE_PHP_EXT_MYSQLI),y)
 PHP_CONF_OPTS += --with-mysqli
 endif
+
+ifeq ($(BR2_PACKAGE_PHP_EXT_PGSQL),y)
+PHP_CONF_OPTS += --with-pgsql=$(STAGING_DIR)/usr
+PHP_DEPENDENCIES += postgresql
+endif
+
 ifeq ($(BR2_PACKAGE_PHP_EXT_SQLITE),y)
 PHP_CONF_OPTS += --with-sqlite3=$(STAGING_DIR)/usr
 PHP_DEPENDENCIES += sqlite