From ffa829deb4c197734e1ec7b08a702f9a567dd71b Mon Sep 17 00:00:00 2001
From: Martin Stransky <stransky@anakreon.cz>
Date: Fri, 23 May 2014 18:09:36 +0200
Subject: [PATCH] Added a build fix for ppc64 - rhbz#1100495

---
 mozilla-973977.patch | 31 +++++++++++++++++++++++++++++++
 thunderbird.spec     | 10 +++++++++-
 2 files changed, 40 insertions(+), 1 deletion(-)
 create mode 100644 mozilla-973977.patch

diff --git a/mozilla-973977.patch b/mozilla-973977.patch
new file mode 100644
index 0000000..d8ec932
--- /dev/null
+++ b/mozilla-973977.patch
@@ -0,0 +1,31 @@
+# HG changeset patch
+# Parent c2172c2aaa693e00c989f76c83b83a2be97afaab
+# User Ulrich Weigand <uweigand@de.ibm.com>
+Bug 973977 - Mark SharedStub hidden to fix ppc64 build failure
+
+
+diff --git a/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_ppc64_linux.s b/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_ppc64_linux.s
+--- a/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_ppc64_linux.s
++++ b/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_ppc64_linux.s
+@@ -15,16 +15,21 @@
+ .set f15,15; .set f16,16; .set f17,17; .set f18,18; .set f19,19
+ .set f20,20; .set f21,21; .set f22,22; .set f23,23; .set f24,24
+ .set f25,25; .set f26,26; .set f27,27; .set f28,28; .set f29,29
+ .set f30,30; .set f31,31
+ 
+         .section ".text"
+         .align 2
+         .globl SharedStub
++        # Make the symbol hidden so that the branch from the stub does
++        # not go via a PLT.  This is not only better for performance,
++        # but may be necessary to avoid linker errors since there is
++        # no place to restore the TOC register in a sibling call.
++        .hidden SharedStub
+         .section ".opd","aw"
+         .align 3
+ 
+ SharedStub:
+         .quad   .SharedStub,.TOC.@tocbase
+         .previous
+         .type   SharedStub,@function
+ 
diff --git a/thunderbird.spec b/thunderbird.spec
index 9ba3192..48d1781 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -54,7 +54,7 @@
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
 Version:        24.5.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Group:          Applications/Internet
@@ -81,6 +81,8 @@ Patch200:       thunderbird-8.0-enable-addons.patch
 # PPC fixes
 Patch300:       xulrunner-24.0-jemalloc-ppc.patch
 Patch301:       mozilla-ppc64le.patch
+Patch304:       mozilla-973977.patch
+
 # Fedora specific patches
 Patch400:       rhbz-966424.patch
 Patch401:       revert-removal-of-native-notifications.patch
@@ -174,6 +176,9 @@ cd ..
 %if 0%{?fedora} > 20
 %patch301 -p1 -b .ppc64le
 %endif
+%ifarch ppc64
+%patch304 -p1 -b .973977
+%endif
 
 %if %{official_branding}
 # Required by Mozilla Corporation
@@ -442,6 +447,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Fri May 23 2014 Martin Stransky <stransky@redhat.com> - 24.5.0-4
+- Added a build fix for ppc64 - rhbz#1100495
+
 * Mon May  5 2014 Jan Horak <jhorak@redhat.com> - 24.5.0-3
 - Fixed find requires