Improve method of avoiding fcinfo compile errors.

Fix pgrminclude C comment marker.

Author: bmomjian

src/include/libpq/hba.h

@@ -11,7 +11,7 @@
 #ifndef HBA_H
 #define HBA_H
 
-#include "libpq/pqcomm.h"	/* pgrminclude remove */ /* needed for NetBSD */
+#include "libpq/pqcomm.h"	/* pgrminclude ignore */ /* needed for NetBSD */
 #include "nodes/pg_list.h"
 
 

src/tools/pginclude/pgcompinclude

@@ -13,14 +13,20 @@ find . \( -name .git -a -prune \) -o -name '*.h' -type f -print | while read FIL
 do
 	sed 's/->[a-zA-Z0-9_\.]*//g' "$FILE" >/tmp/$$a
 	echo "#include \"postgres.h\"" >/tmp/$$.c
-	echo "#include \"/tmp/$$a\"" >>/tmp/$$.c
+
 	# supress fcinfo errors
-	echo "#undef PG_GETARG_DATUM" >>/tmp/$$.c
-	echo "#define PG_GETARG_DATUM(n)" >>/tmp/$$.c
-	echo "void include_test(void);" >>/tmp/$$.c
-	echo "void include_test() {" >>/tmp/$$.c
+	echo "struct {Datum       arg[1];} *fcinfo;" >>/tmp/$$.c
+
+	echo "#include \"/tmp/$$a\"" >>/tmp/$$.c
+
+	echo "Datum include_test(void);" >>/tmp/$$.c
+	echo "Datum include_test() {" >>/tmp/$$.c
+
 	pgdefine "$FILE" >>/tmp/$$.c
+
+	echo "return (Datum)0;" >>/tmp/$$.c
 	echo "}" >>/tmp/$$.c
+
 	# Use -O1 to get warnings only generated by optimization,
 	# but -O2 is too slow.
 	cc -fsyntax-only -Werror -Wall -Wmissing-prototypes \

src/tools/pginclude/pgdefine

@@ -18,5 +18,8 @@ do
 	sed 's/([a-zA-Z0-9_ ]*,/(0,/g' |
 	sed 's/,[a-zA-Z0-9_ ]*,/,0,/g' |
 	sed 's/,[a-zA-Z0-9_ ]*)/,0)/g' |
+	# do not cast 'return' macros as (void)
+	sed 's/(=void)\(.*return\)/\1/g' |
+	sed 's/(=void)\(.*RETURN\)/\1/g' |
 	sed 's/(=void)/(void)/g'
 done

src/tools/pginclude/pgrminclude

@@ -68,19 +68,20 @@ compile_file() {
 
 	if [ "$IS_INCLUDE" = "Y" ]
 	then	echo "#include \"postgres.h\"" >/tmp/$$.c
+		# supress fcinfo errors
+		echo "struct {Datum       arg[1];} *fcinfo;" >>/tmp/$$.c
 	else	>/tmp/$$.c
 	fi
 
 	echo "#include \"/tmp/$$b\"" >>/tmp/$$.c
-	# supress fcinfo errors
-	echo "#undef PG_GETARG_DATUM" >>/tmp/$$.c
-	echo "#define PG_GETARG_DATUM(n)" >>/tmp/$$.c
-	echo "void include_test(void);" >>/tmp/$$.c
-	echo "void include_test() {" >>/tmp/$$.c
+
 	if [ "$IS_INCLUDE" = "Y" ]
-	then	pgdefine "$FILE" >>/tmp/$$.c
+	then	echo "Datum include_test(void);" >>/tmp/$$.c
+		echo "Datum include_test() {" >>/tmp/$$.c
+		pgdefine "$FILE" >>/tmp/$$.c
+		echo "return (Datum)0;" >>/tmp/$$.c
+		echo "}" >>/tmp/$$.c
 	fi
-	echo "}" >>/tmp/$$.c
 
 	# Use -O1 to get warnings only generated by optimization,
 	# but -O2 is too slow.