Merge topic 'compile-XL-v6'

b3c7788 Workaround IBM XL v6 streams seekg bug (#13149)
09a91c6 libarchive: Avoid 'inline' keyword on XL C v6 (#13148)
a8995eb libarchive: Avoid trailing , in enum for XL v6 (#13148)

Source/cmFileCommand.cxx

@@ -300,7 +300,7 @@ bool cmFileCommand::HandleReadCommand(std::vector<std::string> const& args)
     offset = atoi(offsetArg.GetCString());
     }
 
-  file.seekg(offset);
+  file.seekg(offset, std::ios::beg); // explicit ios::beg for IBM VisualAge 6
 
   std::string output;
 

Utilities/cmlibarchive/libarchive/archive_endian.h

@@ -44,9 +44,12 @@
  * - Watcom C++ in C code.  (For any version?)
  * - SGI MIPSpro
  * - Microsoft Visual C++ 6.0 (supposedly newer versions too)
+ * - IBM VisualAge 6 (XL v6)
  */
 #if defined(__WATCOMC__) || defined(__sgi) || defined(__hpux) || defined(__BORLANDC__)
 #define	inline
+#elif defined(__IBMC__) && __IBMC__ < 700
+#define	inline
 #elif defined(_MSC_VER) || defined(__osf__)
 #define inline __inline
 #endif

Utilities/cmlibarchive/libarchive/archive_write_set_format_iso9660.c

@@ -197,7 +197,7 @@ struct isofile {
 	enum {
 		NO = 0,
 		BOOT_CATALOG,
-		BOOT_IMAGE,
+		BOOT_IMAGE
 	} boot;
 
 	/*
@@ -850,7 +850,7 @@ enum dir_rec_type {
 	DIR_REC_VD,		/* Stored in Volume Descriptor.	*/
 	DIR_REC_SELF,		/* Stored as Current Directory.	*/
 	DIR_REC_PARENT,		/* Stored as Parent Directory.	*/
-	DIR_REC_NORMAL,		/* Stored as Child.		*/
+	DIR_REC_NORMAL 		/* Stored as Child.		*/
 };
 
 /*
@@ -860,7 +860,7 @@ enum vdc {
 	VDC_STD,
 	VDC_LOWERCASE,
 	VDC_UCS2,
-	VDC_UCS2_DIRECT,
+	VDC_UCS2_DIRECT
 };
 
 /*
@@ -897,7 +897,7 @@ struct idr {
 
 enum char_type {
 	A_CHAR,
-	D_CHAR,
+	D_CHAR
 };
 
 
@@ -3989,7 +3989,7 @@ enum keytype {
 	KEY_FLG,
 	KEY_STR,
 	KEY_INT,
-	KEY_HEX,
+	KEY_HEX
 };
 static void
 set_option_info(struct archive_string *info, int *opt, const char *key,