Remove now superfluous declarations of dlsym()ed symbols.

The prior commit declared them centrally.

Author: Andres Freund <andres@anarazel.de>
Reviewed-By: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/20211101020311.av6hphdl6xbjbuif@alap3.anarazel.de

17 files changed, 0 insertions, 34 deletions

diff --git a/contrib/auth_delay/auth_delay.c b/contrib/auth_delay/auth_delay.c
index 6b94d653ea4..c3d78e5020f 100644
--- a/contrib/auth_delay/auth_delay.c
+++ b/contrib/auth_delay/auth_delay.c
@@ -20,8 +20,6 @@
 
 PG_MODULE_MAGIC;
 
-void		_PG_init(void);
-
 /* GUC Variables */
 static int	auth_delay_milliseconds;
 
diff --git a/contrib/auto_explain/auto_explain.c b/contrib/auto_explain/auto_explain.c
index 1ba7536879d..269a0fa86c5 100644
--- a/contrib/auto_explain/auto_explain.c
+++ b/contrib/auto_explain/auto_explain.c
@@ -78,8 +78,6 @@ static ExecutorRun_hook_type prev_ExecutorRun = NULL;
 static ExecutorFinish_hook_type prev_ExecutorFinish = NULL;
 static ExecutorEnd_hook_type prev_ExecutorEnd = NULL;
 
-void		_PG_init(void);
-
 static void explain_ExecutorStart(QueryDesc *queryDesc, int eflags);
 static void explain_ExecutorRun(QueryDesc *queryDesc,
 								ScanDirection direction,
diff --git a/contrib/basebackup_to_shell/basebackup_to_shell.c b/contrib/basebackup_to_shell/basebackup_to_shell.c
index bc754b177af..34188f2d9d3 100644
--- a/contrib/basebackup_to_shell/basebackup_to_shell.c
+++ b/contrib/basebackup_to_shell/basebackup_to_shell.c
@@ -37,8 +37,6 @@ typedef struct bbsink_shell
 	FILE	   *pipe;
 } bbsink_shell;
 
-void		_PG_init(void);
-
 static void *shell_check_detail(char *target, char *target_detail);
 static bbsink *shell_get_sink(bbsink *next_sink, void *detail_arg);
 
diff --git a/contrib/basic_archive/basic_archive.c b/contrib/basic_archive/basic_archive.c
index 6b550fc55f7..bba767c8f36 100644
--- a/contrib/basic_archive/basic_archive.c
+++ b/contrib/basic_archive/basic_archive.c
@@ -40,9 +40,6 @@
 
 PG_MODULE_MAGIC;
 
-void		_PG_init(void);
-void		_PG_archive_module_init(ArchiveModuleCallbacks *cb);
-
 static char *archive_directory = NULL;
 static MemoryContext basic_archive_context;
 
diff --git a/contrib/bloom/bloom.h b/contrib/bloom/bloom.h
index 9966f3f46e1..6d58e22813d 100644
--- a/contrib/bloom/bloom.h
+++ b/contrib/bloom/bloom.h
@@ -175,7 +175,6 @@ typedef struct BloomScanOpaqueData
 typedef BloomScanOpaqueData *BloomScanOpaque;
 
 /* blutils.c */
-extern void _PG_init(void);
 extern void initBloomState(BloomState *state, Relation index);
 extern void BloomFillMetapage(Relation index, Page metaPage);
 extern void BloomInitMetapage(Relation index);
diff --git a/contrib/hstore_plperl/hstore_plperl.c b/contrib/hstore_plperl/hstore_plperl.c
index 417b721cff9..c72785d99ec 100644
--- a/contrib/hstore_plperl/hstore_plperl.c
+++ b/contrib/hstore_plperl/hstore_plperl.c
@@ -7,8 +7,6 @@
 
 PG_MODULE_MAGIC;
 
-extern void _PG_init(void);
-
 /* Linkage to functions in hstore module */
 typedef HStore *(*hstoreUpgrade_t) (Datum orig);
 static hstoreUpgrade_t hstoreUpgrade_p;
diff --git a/contrib/hstore_plpython/hstore_plpython.c b/contrib/hstore_plpython/hstore_plpython.c
index 0be65075916..961579a5ea0 100644
--- a/contrib/hstore_plpython/hstore_plpython.c
+++ b/contrib/hstore_plpython/hstore_plpython.c
@@ -7,8 +7,6 @@
 
 PG_MODULE_MAGIC;
 
-extern void _PG_init(void);
-
 /* Linkage to functions in plpython module */
 typedef char *(*PLyObject_AsString_t) (PyObject *plrv);
 static PLyObject_AsString_t PLyObject_AsString_p;
diff --git a/contrib/isn/isn.c b/contrib/isn/isn.c
index 7493a2c60fa..a53d99722ad 100644
--- a/contrib/isn/isn.c
+++ b/contrib/isn/isn.c
@@ -924,8 +924,6 @@ eantoobig:
  * Exported routines.
  *---------------------------------------------------------*/
 
-void		_PG_init(void);
-
 void
 _PG_init(void)
 {
diff --git a/contrib/jsonb_plpython/jsonb_plpython.c b/contrib/jsonb_plpython/jsonb_plpython.c
index 03bbfa87d9a..a625727c5e8 100644
--- a/contrib/jsonb_plpython/jsonb_plpython.c
+++ b/contrib/jsonb_plpython/jsonb_plpython.c
@@ -9,8 +9,6 @@
 
 PG_MODULE_MAGIC;
 
-void		_PG_init(void);
-
 /* for PLyObject_AsString in plpy_typeio.c */
 typedef char *(*PLyObject_AsString_t) (PyObject *plrv);
 static PLyObject_AsString_t PLyObject_AsString_p;
diff --git a/contrib/ltree_plpython/ltree_plpython.c b/contrib/ltree_plpython/ltree_plpython.c
index 7431a1150a9..ac159ea3141 100644
--- a/contrib/ltree_plpython/ltree_plpython.c
+++ b/contrib/ltree_plpython/ltree_plpython.c
@@ -6,8 +6,6 @@
 
 PG_MODULE_MAGIC;
 
-extern void _PG_init(void);
-
 /* Linkage to functions in plpython module */
 typedef PyObject *(*PLyUnicode_FromStringAndSize_t) (const char *s, Py_ssize_t size);
 static PLyUnicode_FromStringAndSize_t PLyUnicode_FromStringAndSize_p;
diff --git a/contrib/passwordcheck/passwordcheck.c b/contrib/passwordcheck/passwordcheck.c
index 9d8c58ded09..c24b1cbe43e 100644
--- a/contrib/passwordcheck/passwordcheck.c
+++ b/contrib/passwordcheck/passwordcheck.c
@@ -32,8 +32,6 @@ static check_password_hook_type prev_check_password_hook = NULL;
 /* passwords shorter than this will be rejected */
 #define MIN_PWD_LENGTH 8
 
-extern void _PG_init(void);
-
 /*
  * check_password
  *
diff --git a/contrib/pg_prewarm/autoprewarm.c b/contrib/pg_prewarm/autoprewarm.c
index 13eee4a1379..b2d60260934 100644
--- a/contrib/pg_prewarm/autoprewarm.c
+++ b/contrib/pg_prewarm/autoprewarm.c
@@ -82,7 +82,6 @@ typedef struct AutoPrewarmSharedState
 	int			prewarmed_blocks;
 } AutoPrewarmSharedState;
 
-void		_PG_init(void);
 void		autoprewarm_main(Datum main_arg);
 void		autoprewarm_database_main(Datum main_arg);
 
diff --git a/contrib/pg_stat_statements/pg_stat_statements.c b/contrib/pg_stat_statements/pg_stat_statements.c
index b4d4231dc61..049da9fe6df 100644
--- a/contrib/pg_stat_statements/pg_stat_statements.c
+++ b/contrib/pg_stat_statements/pg_stat_statements.c
@@ -305,8 +305,6 @@ static bool pgss_save;			/* whether to save stats across shutdown */
 
 /*---- Function declarations ----*/
 
-void		_PG_init(void);
-
 PG_FUNCTION_INFO_V1(pg_stat_statements_reset);
 PG_FUNCTION_INFO_V1(pg_stat_statements_reset_1_7);
 PG_FUNCTION_INFO_V1(pg_stat_statements_1_2);
diff --git a/contrib/pg_trgm/trgm_op.c b/contrib/pg_trgm/trgm_op.c
index cbcc481a172..49b3609de93 100644
--- a/contrib/pg_trgm/trgm_op.c
+++ b/contrib/pg_trgm/trgm_op.c
@@ -20,8 +20,6 @@ double		similarity_threshold = 0.3f;
 double		word_similarity_threshold = 0.6f;
 double		strict_word_similarity_threshold = 0.5f;
 
-void		_PG_init(void);
-
 PG_FUNCTION_INFO_V1(set_limit);
 PG_FUNCTION_INFO_V1(show_limit);
 PG_FUNCTION_INFO_V1(show_trgm);
diff --git a/contrib/postgres_fdw/option.c b/contrib/postgres_fdw/option.c
index 572591a558d..cd2ef234d66 100644
--- a/contrib/postgres_fdw/option.c
+++ b/contrib/postgres_fdw/option.c
@@ -51,8 +51,6 @@ static PQconninfoOption *libpq_options;
  */
 char	   *pgfdw_application_name = NULL;
 
-void		_PG_init(void);
-
 /*
  * Helper functions
  */
diff --git a/contrib/sepgsql/hooks.c b/contrib/sepgsql/hooks.c
index 97e61b8043f..87fdd972c27 100644
--- a/contrib/sepgsql/hooks.c
+++ b/contrib/sepgsql/hooks.c
@@ -30,7 +30,6 @@ PG_MODULE_MAGIC;
 /*
  * Declarations
  */
-void		_PG_init(void);
 
 /*
  * Saved hook entries (if stacked)
diff --git a/contrib/test_decoding/test_decoding.c b/contrib/test_decoding/test_decoding.c
index 3736da6784b..3f90ffa32de 100644
--- a/contrib/test_decoding/test_decoding.c
+++ b/contrib/test_decoding/test_decoding.c
@@ -24,10 +24,6 @@
 
 PG_MODULE_MAGIC;
 
-/* These must be available to dlsym() */
-extern void _PG_init(void);
-extern void _PG_output_plugin_init(OutputPluginCallbacks *cb);
-
 typedef struct
 {
 	MemoryContext context;