COMP: add a check for makedev, which isn't available with the PGI compiler

on Cray XT3

Alex

Utilities/cmtar/CMakeLists.txt

@@ -107,6 +107,7 @@ FOREACH(func
     glob
     major
     minor
+    makedev
     )
   CHECK_SYMBOL_EXISTS_EX("${func}")
 ENDFOREACH(func)

Utilities/cmtar/config.h.in

@@ -9,6 +9,9 @@
 /* Define if your system has a working minor */
 #cmakedefine HAVE_MINOR @HAVE_MINOR@
 
+/* Define if your system has a working minor */
+#cmakedefine HAVE_MAKEDEV @HAVE_MAKEDEV@
+
 /* Define to 1 if you have the <ctype.h> header file. */
 #cmakedefine HAVE_CTYPE_H @HAVE_CTYPE_H@
 

Utilities/cmtar/internal.h

@@ -25,3 +25,11 @@
 #ifndef HAVE_MINOR
 # define minor(dev) ((int)((dev) & 0xff))
 #endif
+/* On Cray XT3 when using thr PGI pgcc 7.0.4 sys/sysmacros.h ends up without
+   makedev(), since __i386__ is not defined when GLIBC_HAVE_LONG_LONG should
+   be enabled in features.h */
+#ifndef HAVE_MAKEDEV
+# define makedev(major, minor) ((((int)((major) & 0xff)) << 8 ) \
+                               | ((int)((minor) & 0xff)) )
+#endif
+