- fix for win64

pg_userfuncs.c

@@ -34,7 +34,7 @@
 
 extern MemoryContext plr_SPI_context;
 
-#ifndef WIN32
+#if !defined(WIN32) && !defined(WIN64)
 extern char **environ;
 #endif
 
@@ -284,7 +284,7 @@ plr_environ(PG_FUNCTION_ARGS)
 	char			   *var_name;
 	char			   *var_val;
 	char			   *values[2];
-#ifndef WIN32
+#if !defined(WIN32) && !defined(WIN64)
 	char			  **current_env;
 #else
 	char			   *buf;
@@ -326,7 +326,7 @@ plr_environ(PG_FUNCTION_ARGS)
 	/* initialize our tuplestore */
 	tupstore = TUPLESTORE_BEGIN_HEAP;
 
-#ifndef WIN32
+#if !defined(WIN32) && !defined(WIN64)
 	for (current_env = environ;
 		 current_env != NULL && *current_env != NULL;
 		 current_env++)

plr.c

@@ -380,7 +380,7 @@ plr_init(void)
 	/* arrange for automatic cleanup at proc_exit */
 	on_proc_exit(plr_cleanup, 0);
 
-#ifndef WIN32
+#if !defined(WIN32) && !defined(WIN64)
 	/*
 	 * Force non-interactive mode since R may not do so.
 	 * See comment in Rembedded.c just after R_Interactive = TRUE:

plr.h

@@ -95,7 +95,7 @@
 #if (R_VERSION >= 132096) /* R_VERSION >= 2.4.0 */
 #include "Rembedded.h"
 #endif
-#ifndef WIN32
+#if !defined(WIN32) && !defined(WIN64)
 #include "Rinterface.h"
 #endif
 #include "Rinternals.h"