From: David Decotigny <decot@googlers.com>

Date: Mon, 25 Aug 2014 13:28:49 -0700
Subject: [PATCH] document that binutils >= 2.24 needed.

commit ac983081 "Add support for non-PE/COFF capable objcopy" depends
on objcopy accepting wildcards for the section names. This feature is
available only with binutils >= 2.24 (binutils 2e62b7218 "PR
binutils/15033").

Signed-off-by: David Decotigny <decot@googlers.com>
Signed-off-by: Nigel Croxon <nigel.croxon@hp.com>

gnu-efi-3.0/README.gnuefi

@@ -39,9 +39,10 @@ environment works.
 
 		objcopy --help
 
-	  and verify that the line "supported targets" contains the
-	  string "efi-app-ia32" and "efi-app-x86_64". The binutils release
-	  binutils-2.17.50.0.14 supports Intel64 EFI.
+	  Verify that the line "supported targets" contains the string
+	  "efi-app-ia32" and "efi-app-x86_64" and that the "-j" option
+	  accepts wildcards. The binutils release binutils-2.24
+	  supports Intel64 EFI and accepts wildcard section names.
 
 	- For debugging purposes, it's useful to have a version of
 	  "objdump" that supports EFI applications as well.  This
@@ -59,8 +60,8 @@ environment works.
 
 		objcopy --help
 
-	  and verify that the line "supported targets" contains the
-	  string "efi-app-ia64".
+	  Verify that the line "supported targets" contains the string
+	  "efi-app-ia64" and that the "-j" option accepts wildcards.
 
 	- For debugging purposes, it's useful to have a version of
 	  "objdump" that supports EFI applications as well.  This
@@ -287,7 +288,7 @@ A couple of more points worth noting about the linker script:
    the EFI loader and once by the self-relocator; see below for a
    description of the latter).  Specifically, only the sections
    mentioned with the -j option in the final "objcopy" command are
-   retained in the EFI binary (see apps/Makefile).
+   retained in the EFI binary (see Make.rules).
 
 
 ** (2) Building Relocatable Binaries