Stop pretending that we use autotools to build config.h

We have not been using autotools since commit
e0978a8 so stop pretending that we do
related to config.h and instead directly have the necessary defines with
the right names in pg_tde.h.

Author: jeltz

contrib/pg_tde/Makefile

@@ -45,7 +45,6 @@ src/catalog/tde_principal_key.o \
 src/common/pg_tde_shmem.o \
 src/common/pg_tde_utils.o \
 src/smgr/pg_tde_smgr.o \
-src/pg_tde_defs.o \
 src/pg_tde_event_capture.o \
 src/pg_tde_guc.o \
 src/pg_tde.o \

contrib/pg_tde/meson.build

@@ -18,7 +18,6 @@ pg_tde_sources = files(
   'src/keyring/keyring_kmip_impl.c',
   'src/keyring/keyring_vault.c',
   'src/pg_tde.c',
-  'src/pg_tde_defs.c',
   'src/pg_tde_event_capture.c',
   'src/pg_tde_guc.c',
   'src/smgr/pg_tde_smgr.c',

contrib/pg_tde/src/include/config.h

@@ -8,6 +8,10 @@
 #ifndef PG_TDE_H
 #define PG_TDE_H
 
+#define PG_TDE_NAME "pg_tde"
+#define PG_TDE_VERSION "1.0.0-rc"
+#define PG_TDE_VERSION_STRING PG_TDE_NAME " " PG_TDE_VERSION
+
 #define PG_TDE_DATA_DIR	"pg_tde"
 
 typedef struct XLogExtensionInstall

contrib/pg_tde/src/include/pg_tde.h

@@ -32,7 +32,6 @@
 #include "keyring/keyring_vault.h"
 #include "keyring/keyring_kmip.h"
 #include "utils/builtins.h"
-#include "pg_tde_defs.h"
 #include "smgr/pg_tde_smgr.h"
 #include "catalog/tde_global_space.h"
 #include "utils/percona.h"
@@ -222,7 +221,7 @@ run_extension_install_callbacks(XLogExtensionInstall *xlrec, bool redo)
 Datum
 pg_tde_version(PG_FUNCTION_ARGS)
 {
-	PG_RETURN_TEXT_P(cstring_to_text(pg_tde_package_string()));
+	PG_RETURN_TEXT_P(cstring_to_text(PG_TDE_VERSION_STRING));
 }
 
 Datum