--- a/utils/pmx/pmx-2.7.0/libf2c/sysdep1.h.orig
+++ b/utils/pmx/pmx-2.7.0/libf2c/sysdep1.h
@@ -10,7 +10,11 @@
 
 #ifdef __linux__
 #define USE_LARGEFILE
+#ifdef __GLIBC__
 #define OFF_T __off64_t
+#else
+#define OFF_T off_t
+#endif
 #endif
 
 #ifdef _AIX43