BUG #15814: pldbgapi error

The following bug has been logged on the website:

Bug reference:      15814
Logged by:          Ramakrishnan R
Email address:      prakashrnse@gmail.com
PostgreSQL version: 11.3
Operating system:   rhel 7.3
Description:

Hi Team,

We are trying to install the pldbgapi extension in postgresql 11.3 server
but we getting below error,Please do the needful,

==> make USE_PGXS=1
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement
-Wendif-labels -Wmissing-format-attribute -Wformat-security
-fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -g -pipe -Wall
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong
--param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -fPIC
-I/usr/pgsql-11/lib/pgxs/src/makefiles/../../src/pl/plpgsql/src -I. -I./
-I/usr/pgsql-11/include/server -I/usr/pgsql-11/include/internal
-D_GNU_SOURCE -I/usr/include/libxml2  -I/usr/include  -c -o
plpgsql_debugger.o plpgsql_debugger.c
plpgsql_debugger.c: In function ‘plpgsql_send_vars’:
plpgsql_debugger.c:263:16: error: ‘TRUE’ undeclared (first use in this
function)
        isArg = TRUE;
                ^
plpgsql_debugger.c:263:16: note: each undeclared identifier is reported only
once for each function it appears in
plpgsql_debugger.c:244:4: warning: enumeration value ‘PLPGSQL_DTYPE_ROW’ not
handled in switch [-Wswitch]
    switch( estate->datums[i]->dtype )
    ^
plpgsql_debugger.c:244:4: warning: enumeration value ‘PLPGSQL_DTYPE_REC’ not
handled in switch [-Wswitch]
plpgsql_debugger.c:244:4: warning: enumeration value
‘PLPGSQL_DTYPE_RECFIELD’ not handled in switch [-Wswitch]
plpgsql_debugger.c:244:4: warning: enumeration value
‘PLPGSQL_DTYPE_ARRAYELEM’ not handled in switch [-Wswitch]
plpgsql_debugger.c:244:4: warning: enumeration value ‘PLPGSQL_DTYPE_PROMISE’
not handled in switch [-Wswitch]
plpgsql_debugger.c: In function ‘find_datum_by_name’:
plpgsql_debugger.c:484:9: error: ‘PLPGSQL_DTYPE_EXPR’ undeclared (first use
in this function)
    case PLPGSQL_DTYPE_EXPR:
         ^
plpgsql_debugger.c:462:3: warning: enumeration value ‘PLPGSQL_DTYPE_PROMISE’
not handled in switch [-Wswitch]
   switch( frame->datums[i]->dtype )
   ^
plpgsql_debugger.c: In function ‘print_rec’:
plpgsql_debugger.c:575:9: error: ‘PLpgSQL_rec’ has no member named
‘tupdesc’
  if (tgt->tupdesc == NULL)
         ^
plpgsql_debugger.c:578:29: error: ‘PLpgSQL_rec’ has no member named
‘tupdesc’
  for( attNo = 0; attNo < tgt->tupdesc->natts; ++attNo )
                             ^
plpgsql_debugger.c:580:36: error: ‘PLpgSQL_rec’ has no member named ‘tup’
   char * extval = SPI_getvalue( tgt->tup, tgt->tupdesc, attNo + 1 );
                                    ^
plpgsql_debugger.c:580:46: error: ‘PLpgSQL_rec’ has no member named
‘tupdesc’
   char * extval = SPI_getvalue( tgt->tup, tgt->tupdesc, attNo + 1 );
                                              ^
In file included from /usr/pgsql-11/include/server/postgres.h:46:0,
                 from plpgsql_debugger.c:12:
plpgsql_debugger.c:582:51: error: ‘PLpgSQL_rec’ has no member named
‘tupdesc’
   dbg_send( "v:%s.%s:%s\n", var_name, NameStr(
tgt->tupdesc->attrs[attNo]->attname ), extval ? extval : "NULL" );
                                                   ^
/usr/pgsql-11/include/server/c.h:576:25: note: in definition of macro
‘NameStr’
 #define NameStr(name) ((name).data)