Raise ext/pgsql requirements to PostGreSQL 7.4

We can safely assume that users have at the very least libpq 7.4, for
which official support ended on 2010-10-01; even CentOS 6 has 8.4 now.
It is also noteworthy that PDO_PGSQL already requires libpq 7.4 or
later.

Author: cmb69

NEWS

@@ -95,6 +95,9 @@ PHP                                                                        NEWS
 - PCRE:
   . Don't ignore invalid escape sequences. (sjon)
 
+- PGSQL:
+  . Bumped required libpq version to 7.4.
+
 - PDO:
   . Changed default PDO error mode to exceptions. (AllenJB)
   . Fixed bug #77849 (Disable cloning of PDO handle/connection objects).

UPGRADING

@@ -676,6 +676,9 @@ PHP 8.0 UPGRADE NOTES
   . When mysqlnd is not used (which is the default and recommended option),
     the minimum supported libmysqlclient version is now 5.1.
 
+- PGSQL:
+  . The PGSQL extension now required at least libpq 7.4.
+
 ========================================
 10. New Global Constants
 ========================================

ext/pgsql/config.m4

@@ -68,27 +68,7 @@ if test "$PHP_PGSQL" != "no"; then
   old_LIBS=$LIBS
   old_LDFLAGS=$LDFLAGS
   LDFLAGS="-L$PGSQL_LIBDIR $LDFLAGS"
-  AC_CHECK_LIB(pq, PQescapeString,AC_DEFINE(HAVE_PQESCAPE,1,[PostgreSQL 7.2.0 or later]))
-  AC_CHECK_LIB(pq, PQunescapeBytea,AC_DEFINE(HAVE_PQUNESCAPEBYTEA,1,[PostgreSQL 7.3.0 or later]))
-  AC_CHECK_LIB(pq, PQsetnonblocking,AC_DEFINE(HAVE_PQSETNONBLOCKING,1,[PostgreSQL 7.0.x or later]))
-  AC_CHECK_LIB(pq, PQcmdTuples,AC_DEFINE(HAVE_PQCMDTUPLES,1,[Broken libpq under windows]))
-  AC_CHECK_LIB(pq, PQoidValue,AC_DEFINE(HAVE_PQOIDVALUE,1,[Older PostgreSQL]))
-  AC_CHECK_LIB(pq, PQclientEncoding,AC_DEFINE(HAVE_PQCLIENTENCODING,1,[PostgreSQL 7.0.x or later]))
-  AC_CHECK_LIB(pq, PQparameterStatus,AC_DEFINE(HAVE_PQPARAMETERSTATUS,1,[PostgreSQL 7.4 or later]))
-  AC_CHECK_LIB(pq, PQprotocolVersion,AC_DEFINE(HAVE_PQPROTOCOLVERSION,1,[PostgreSQL 7.4 or later]))
-  AC_CHECK_LIB(pq, PQtransactionStatus,AC_DEFINE(HAVE_PGTRANSACTIONSTATUS,1,[PostgreSQL 7.4 or later]))
-  AC_CHECK_LIB(pq, PQexecParams,AC_DEFINE(HAVE_PQEXECPARAMS,1,[PostgreSQL 7.4 or later]))
-  AC_CHECK_LIB(pq, PQprepare,AC_DEFINE(HAVE_PQPREPARE,1,[PostgreSQL 7.4 or later]))
-  AC_CHECK_LIB(pq, PQexecPrepared,AC_DEFINE(HAVE_PQEXECPREPARED,1,[PostgreSQL 7.4 or later]))
-  AC_CHECK_LIB(pq, PQresultErrorField,AC_DEFINE(HAVE_PQRESULTERRORFIELD,1,[PostgreSQL 7.4 or later]))
-  AC_CHECK_LIB(pq, PQsendQueryParams,AC_DEFINE(HAVE_PQSENDQUERYPARAMS,1,[PostgreSQL 7.4 or later]))
-  AC_CHECK_LIB(pq, PQsendPrepare,AC_DEFINE(HAVE_PQSENDPREPARE,1,[PostgreSQL 7.4 or later]))
-  AC_CHECK_LIB(pq, PQsendQueryPrepared,AC_DEFINE(HAVE_PQSENDQUERYPREPARED,1,[PostgreSQL 7.4 or later]))
-  AC_CHECK_LIB(pq, PQputCopyData,AC_DEFINE(HAVE_PQPUTCOPYDATA,1,[PostgreSQL 7.4 or later]))
-  AC_CHECK_LIB(pq, PQgetCopyData,AC_DEFINE(HAVE_PQGETCOPYDATA,1,[PostgreSQL 7.4 or later]))
-  AC_CHECK_LIB(pq, PQfreemem,AC_DEFINE(HAVE_PQFREEMEM,1,[PostgreSQL 7.4 or later]))
-  AC_CHECK_LIB(pq, PQsetErrorVerbosity,AC_DEFINE(HAVE_PQSETERRORVERBOSITY,1,[PostgreSQL 7.4 or later]))
-  AC_CHECK_LIB(pq, PQftable,AC_DEFINE(HAVE_PQFTABLE,1,[PostgreSQL 7.4 or later]))
+  AC_CHECK_LIB(pq, PQprepare,, AC_MSG_ERROR([Unable to build the PostgreSQL extension: at least libpq 7.4 is required]))
   AC_CHECK_LIB(pq, PQescapeStringConn, AC_DEFINE(HAVE_PQESCAPE_CONN,1,[PostgreSQL 8.1.4 or later]))
   AC_CHECK_LIB(pq, PQescapeByteaConn, AC_DEFINE(HAVE_PQESCAPE_BYTEA_CONN,1,[PostgreSQL 8.1.4 or later]))
   AC_CHECK_LIB(pq, pg_encoding_to_char,AC_DEFINE(HAVE_PGSQL_WITH_MULTIBYTE_SUPPORT,1,[Whether libpq is compiled with --enable-multibyte]))

ext/pgsql/config.w32

@@ -7,7 +7,7 @@ if (PHP_PGSQL != "no") {
 		CHECK_HEADER_ADD_INCLUDE("libpq-fe.h", "CFLAGS_PGSQL", PHP_PGSQL + "\\include;" + PHP_PHP_BUILD + "\\include\\pgsql;" + PHP_PHP_BUILD + "\\include\\libpq;" + PHP_PGSQL)) {
 		EXTENSION("pgsql", "pgsql.c", PHP_PGSQL_SHARED, "/DZEND_ENABLE_STATIC_TSRMLS_CACHE=1");
 		AC_DEFINE('HAVE_PGSQL', 1, 'Have PostgreSQL library');
-		ADD_FLAG("CFLAGS_PGSQL", "/D HAVE_PG_CONFIG_H /D PGSQL_EXPORTS /D HAVE_PQSETNONBLOCKING /D HAVE_PQCMDTUPLES /D HAVE_PQCLIENTENCODING /D HAVE_PQESCAPE /D HAVE_PQPARAMETERSTATUS /D HAVE_PGTRANSACTIONSTATUS /D HAVE_PQEXECPARAMS /D HAVE_PQPREPARE /D HAVE_PQEXECPREPARED /D HAVE_PQRESULTERRORFIELD /D HAVE_PQSENDQUERYPARAMS /D HAVE_PQSENDPREPARE /D HAVE_PQSENDQUERYPREPARED /D HAVE_PQPUTCOPYDATA /D HAVE_PQGETCOPYDATA /D HAVE_PQSETERRORVERBOSITY /D HAVE_PQUNESCAPEBYTEA /D HAVE_PQFTABLE /D HAVE_PQESCAPE_CONN /D HAVE_PQESCAPE_BYTEA_CONN /D HAVE_PQFREEMEM /D HAVE_PGSQL_WITH_MULTIBYTE_SUPPORT /D HAVE_PQPROTOCOLVERSION /D HAVE_PG_LO_CREATE /D HAVE_PG_LO_IMPORT_WITH_OID /D HAVE_PG_LO_TRUNCATE" + (X64 ? " /D HAVE_PG_LO64" : "") + " /D HAVE_PQESCAPELITERAL /D HAVE_PQOIDVALUE");
+		ADD_FLAG("CFLAGS_PGSQL", "/D HAVE_PG_CONFIG_H /D PGSQL_EXPORTS /D HAVE_PQESCAPE_CONN /D HAVE_PQESCAPE_BYTEA_CONN /D HAVE_PQFREEMEM /D HAVE_PGSQL_WITH_MULTIBYTE_SUPPORT /D HAVE_PG_LO_CREATE /D HAVE_PG_LO_IMPORT_WITH_OID /D HAVE_PG_LO_TRUNCATE" + (X64 ? " /D HAVE_PG_LO64" : "") + " /D HAVE_PQESCAPELITERAL");
 	} else {
 		WARNING("pgsql not enabled; libraries and headers not found");
 	}