Reversed my incorrect fix.

src/interfaces/ecpg/ChangeLog

@@ -1422,6 +1422,16 @@ Fri May 16 11:45:50 CEST 2003
 Fri May 16 13:32:10 CEST 2003
 
 	- Made double variables work again.
+	
+Mon May 19 09:22:40 CEST 2003
+
+	- Fixed exec sql ifdef command.
+
+Tue May 20 11:47:00 CEST 2003
+
+	- Reversed my fix for ifdef. It was the example, not ecpg which was
+	  incorrect.
+	- Changed DBPATH variable to PG_DBPATH.
 	- Set ecpg version to 2.12.0.
 	- Set ecpg library to 3.4.2.
 	- Set pgtypes library to 1.0.0

src/interfaces/ecpg/ecpglib/connect.c

-/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/ecpglib/connect.c,v 1.4 2003/05/02 14:43:25 meskes Exp $ */
+/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/ecpglib/connect.c,v 1.5 2003/05/20 11:05:27 meskes Exp $ */
 
 #include "postgres_fe.h"
 
@@ -264,8 +264,9 @@ ECPGconnect_informix(int lineno, const char *name, const char *user, const char
 	char *informix_name = (char *)name, *envname;
 	
 	/* Informix uses an environment variable DBPATH that overrides
-	 * the connection parameters given here */
-	envname = getenv("DBPATH");
+	 * the connection parameters given here.
+	 * We do the same with PG_DBPATH as the syntax is different. */
+	envname = getenv("PG_DBPATH");
 	if (envname)
 		informix_name = envname;
 	return (ECPGconnect(lineno, informix_name, user, passwd, connection_name, autocommit));

src/interfaces/ecpg/preproc/pgc.l

@@ -12,7 +12,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.108 2003/05/19 07:19:57 meskes Exp $
+ *	  $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.109 2003/05/20 11:05:27 meskes Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -905,7 +905,7 @@ cppline			{space}*#(.*\\{space})+.*
 
 <xskip>{other}		{ /* ignore */ }
 
-<xcond>{identifier}{space}* {
+<xcond>{identifier}{space}*';' {
 						if ( preproc_tos >= MAX_NESTED_IF-1 ) {
 							mmerror(PARSE_ERROR, ET_FATAL, "Too many nested 'EXEC SQL IFDEF' conditions");
 						}