diff --git a/Modules/_hotshot.c b/Modules/_hotshot.c
index bd08919..1908a2d 100644
--- a/Modules/_hotshot.c
+++ b/Modules/_hotshot.c
@@ -55,6 +55,12 @@
 #define PATH_MAX 260
 #endif
 
+#if defined(__sgi) && _COMPILER_VERSION>700 && !defined(PATH_MAX)
+/* fix PATH_MAX not being defined with MIPSPro 7.x
+   if mode is ANSI C (default) */
+#define PATH_MAX 1024
+#endif
+
 #ifndef PATH_MAX
 #   ifdef MAX_PATH
 #       define PATH_MAX MAX_PATH
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index f0e3f0d..9ac0eb4 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -129,6 +129,12 @@
 extern int symlink(const char *, const char *);
 #endif
 
+#if defined(__sgi)&&_COMPILER_VERSION>=700
+/* declare ctermid_r if compiling with MIPSPro 7.x in ANSI C mode
+   (default) */
+extern char        *ctermid_r(char *);
+#endif
+
 #ifndef HAVE_UNISTD_H
 #if defined(PYCC_VACPP)
 extern int mkdir(char *);
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index a790900..bdeddea 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -155,6 +155,14 @@
 # include <os2.h>
 #endif
 
+#if defined(__sgi)&&_COMPILER_VERSION>700 && !_SGIAPI
+/* make sure that the reentrant (gethostbyaddr_r etc)
+   functions are declared correctly if compiling with
+   MIPSPro 7.x in ANSI C mode (default) */
+#define _SGIAPI 1
+#include "netdb.h"
+#endif
+
 /* Generic includes */
 #include <sys/types.h>
 #include <signal.h>