code cleaning for gcc 15

Author: okbob

Makefile

@@ -12,8 +12,6 @@ endif
 REGRESS_OPTS = --dbname=$(PL_TESTDB)
 REGRESS = plpgsql_check_passive plpgsql_check_active plpgsql_check_active-$(MAJORVERSION) plpgsql_check_passive-$(MAJORVERSION)
 
-override CFLAGS +="-Wno-error=incompatible-pointer-types"
-
 ifdef NO_PGXS
 subdir = contrib/plpgsql_check
 top_builddir = ../..
@@ -25,4 +23,5 @@ PGXS := $(shell $(PG_CONFIG) --pgxs)
 include $(PGXS)
 endif
 
-override CFLAGS +=  -Wno-error=incompatible-pointer-types -I$(top_builddir)/src/pl/plpgsql/src -Wall -g
+# temorary fix of compilation with gcc 15
+override CFLAGS += -Wno-error=incompatible-pointer-types -I$(top_builddir)/src/pl/plpgsql/src -Wall -g

src/check_expr.c

@@ -18,8 +18,6 @@
 #include "catalog/pg_type.h"
 #include "executor/spi_priv.h"
 #include "optimizer/clauses.h"
-
-#include "nodes/print.h"
 #include "optimizer/optimizer.h"
 #include "parser/parse_node.h"
 
@@ -439,7 +437,7 @@ check_pure_expr(PLpgSQL_checkstate *cstate, Query *query, char *query_str)
 	if (!is_pure_expr(cstate, query))
 	{
 		plpgsql_check_put_error(cstate,
-								0, 0,
+								ERRCODE_SYNTAX_ERROR, 0,
 								"expression is not pure expression",
 								"there is a possibility of unwanted behave",
 								NULL,

src/cursors_leaks.c

@@ -52,8 +52,6 @@ typedef struct
 	LocalTransactionId lxid;
 } CursorLeaksPlugin2Info;
 
-MemoryContextCallback contextCallback;
-
 static LocalTransactionId traces_lxid = InvalidLocalTransactionId;
 static HTAB *traces = NULL;
 static MemoryContext traces_mcxt = NULL;

src/pldbgapi2.c

@@ -127,7 +127,7 @@ static PLpgSQL_plugin pldbgapi2_plugin = { pldbgapi2_func_setup,
 
 static PLpgSQL_plugin  *prev_plpgsql_plugin = NULL;
 
-MemoryContext		pldbgapi2_mcxt = NULL;
+static MemoryContext		pldbgapi2_mcxt = NULL;
 
 typedef struct pldbgapi2_plugin_info
 {

src/plpgsql_check.c

@@ -47,7 +47,6 @@ PG_MODULE_MAGIC;
 #endif
 
 PLpgSQL_plugin **plpgsql_check_plugin_var_ptr;
-PLpgSQL_plugin *prev_plpgsql_plugin;
 
 static const struct config_enum_entry plpgsql_check_mode_options[] = {
 	{"disabled", PLPGSQL_CHECK_MODE_DISABLED, false},