[binutils] Fix detection of little endian PPC64 binaries. Resolves: #1095885

[Nicholas Clifton]

commit cb51b833f934c8bb90f0fde38a37eedb9f7c28d6
Author: Nick Clifton <nickc at redhat.com>
Date:   Fri May 9 11:16:41 2014 +0100

    Fix detection of little endian PPC64 binaries.
    Resolves: #1095885

 binutils-2.24-ldforcele.patch |   58 +++++++++++++++++++++++++++++++++++++++++
 binutils.spec                 |   15 ++++++++++-
 2 files changed, 72 insertions(+), 1 deletions(-)
---
diff --git a/binutils-2.24-ldforcele.patch b/binutils-2.24-ldforcele.patch
new file mode 100644
index 0000000..6a46c78
--- /dev/null
+++ b/binutils-2.24-ldforcele.patch
@@ -0,0 +1,58 @@
+Common subdirectories: ../binutils-2.24.orig/ld/emulparams and ld/emulparams
+Common subdirectories: ../binutils-2.24.orig/ld/emultempl and ld/emultempl
+diff -cp ../binutils-2.24.orig/ld/ldlang.c ld/ldlang.c
+*** ../binutils-2.24.orig/ld/ldlang.c	2014-05-09 10:35:04.589504928 +0100
+--- ld/ldlang.c	2014-05-09 10:35:55.515661478 +0100
+*************** lang_add_output_format (const char *form
+*** 7096,7101 ****
+--- 7096,7113 ----
+  	       && little != NULL)
+  	format = little;
+  
++       if (getenv ("LD_FORCE_LE") != NULL)
++ 	{
++ 	  if (strcmp (format, "elf64-powerpc") == 0)
++ 	    format = "elf64-powerpcle";
++ 	  else if (strcmp (format, "elf32-powerpc") == 0)
++ 	    format = "elf32-powerpcle";
++ 	  else if (strcmp (format, "elf64-big") == 0)
++ 	    format = "elf64-little";
++ 	  else if (strcmp (format, "elf32-big") == 0)
++ 	    format = "elf32-little";
++ 	}
++ 
+        output_target = format;
+      }
+  }
+Only in ld: ldlang.c.orig
+diff -cp ../binutils-2.24.orig/ld/ldmain.c ld/ldmain.c
+*** ../binutils-2.24.orig/ld/ldmain.c	2014-05-09 10:35:04.593504941 +0100
+--- ld/ldmain.c	2014-05-09 10:35:55.515661478 +0100
+*************** get_emulation (int argc, char **argv)
+*** 603,608 ****
+--- 603,620 ----
+  	}
+      }
+  
++   if ((strncmp (emulation, "elf64ppc", 8) == 0
++        || strncmp (emulation, "elf32ppc", 8) == 0)
++       && getenv ("LD_FORCE_LE") != NULL)
++     {
++       size_t len = strlen (emulation);
++       char *le = xmalloc (len + 2);
++       memcpy (le, emulation, 5);
++       le[5] = 'l';
++       memcpy (le + 6, emulation + 5, len - 4);
++       emulation = le;
++     }
++ 
+    return emulation;
+  }
+  
+Only in ld: ldmain.c.orig
+Common subdirectories: ../binutils-2.24.orig/ld/ldscripts and ld/ldscripts
+Common subdirectories: ../binutils-2.24.orig/ld/.libs and ld/.libs
+Common subdirectories: ../binutils-2.24.orig/ld/po and ld/po
+Common subdirectories: ../binutils-2.24.orig/ld/scripttempl and ld/scripttempl
+Common subdirectories: ../binutils-2.24.orig/ld/testsuite and ld/testsuite
+Common subdirectories: ../binutils-2.24.orig/ld/tmpdir and ld/tmpdir
diff --git a/binutils.spec b/binutils.spec
index e6ee7b0..bf151c2 100644
--- a/binutils.spec
+++ b/binutils.spec
@@ -17,7 +17,7 @@
 Summary: A GNU collection of binary utilities
 Name: %{?cross}binutils%{?_with_debug:-debug}
 Version: 2.24
-Release: 13%{?dist}
+Release: 14%{?dist}
 License: GPLv3+
 Group: Development/Tools
 URL: http://sources.redhat.com/binutils
@@ -57,6 +57,8 @@ Patch16: binutils-2.24-DW_FORM_ref_addr.patch
 Patch17: binutils-2.24-set-section-macros.patch
 # Fix detections of uncompressed .debug_str sections that look like they have been compressed.
 Patch18: binutils-2.24-fake-zlib-sections.patch
+# Fix detections little endian PPC shared libraries
+Patch19: binutils-2.24-ldforcele.patch
 
 Provides: bundled(libiberty)
 
@@ -177,6 +179,9 @@ using libelf instead of BFD.
 %patch16 -p0 -b .ref-addr~
 %patch17 -p0 -b .sec-macros~
 %patch18 -p0 -b .fake-zlib~
+%ifarch ppc64le
+%patch19 -p0 -b .ldforcele~
+%endif
 
 # We cannot run autotools as there is an exact requirement of autoconf-2.59.
 
@@ -231,6 +236,11 @@ case %{binutils_target} in ppc*|ppc64*)
   ;;
 esac
 
+case %{binutils_target} in  ppc64le*)
+    CARGS="$CARGS --enable-targets=powerpc-linux"
+    ;;
+esac
+
 %if 0%{?_with_debug:1}
 CFLAGS="$CFLAGS -O0 -ggdb2 -Wno-error -D_FORTIFY_SOURCE=0"
 %define enable_shared 0
@@ -482,6 +492,9 @@ exit 0
 %endif # %{isnative}
 
 %changelog
+* Fri May 09 2014 Nick Clifton <nickc at redhat.com> - 2.24-14
+- Fix detection of little endian PPC64 binaries.  (#1095885)
+
 * Mon Apr 28 2014 Nick Clifton <nickc at redhat.com> - 2.24-13
 - Fix detection of uncompressed .debug_str sections.  (#1082370)