diff --git a/MozillaThunderbird.changes b/MozillaThunderbird.changes
index e8b3a4c..aa15199 100644
--- a/MozillaThunderbird.changes
+++ b/MozillaThunderbird.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Mon Nov 21 21:54:27 UTC 2011 - wr@rosenauer.org
+
+- do not disable system addons
+- fixed enigmail localizations
+
+-------------------------------------------------------------------
+Mon Nov 21 11:35:56 UTC 2011 - dvaleev@suse.com
+
+- fix powerpc build
+- disable crashreporter on ppc and ppc64
+
 -------------------------------------------------------------------
 Mon Nov  7 20:23:30 UTC 2011 - wr@rosenauer.org
 
diff --git a/MozillaThunderbird.spec b/MozillaThunderbird.spec
index 1e4fda9..0821576 100644
--- a/MozillaThunderbird.spec
+++ b/MozillaThunderbird.spec
@@ -54,11 +54,17 @@ Patch4:         mozilla-dump_syms-static.patch
 Patch10:        tb-ssldap.patch
 Patch11:        tb-develdirs.patch
 Patch12:        thunderbird-shared-nss-db.patch
+Patch20:        mozilla-ppc64.patch
+Patch21:        mozilla-ipc.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 PreReq:         coreutils fileutils textutils /bin/sh
 ### build options
 %define build_enigmail 1
+%ifnarch ppc ppc64
 %define crashreporter  1
+%else
+%define crashreporter  0
+%endif
 %define has_system_cairo 0
 %define localize 1
 ### build options end
@@ -172,6 +178,8 @@ popd
 %patch10 -p1
 %patch11 -p1
 %patch12 -p1
+%patch20 -p1
+%patch21
 
 %build
 # no need to add build time to binaries
@@ -244,7 +252,7 @@ pushd $RPM_BUILD_DIR/thunderbird/mailnews/extensions/enigmail
  ./makemake -r -o '../../../../obj'
 popd
 pushd $RPM_BUILD_DIR/obj/mailnews/extensions/enigmail
-make MOZ_CHROME_FILE_FORMAT=jar
+make
 make xpi
 popd
 %endif
@@ -365,7 +373,12 @@ rm -f $RPM_BUILD_ROOT%{progdir}/enigmail*.xpi
 #
 # remove spurious executable bits
 find $RPM_BUILD_ROOT/usr/include/%{progname} -type f -exec chmod a-x {} \;
-find $RPM_BUILD_ROOT%{_libdir}/%{progname} -name "*.js" | xargs chmod a-x
+find $RPM_BUILD_ROOT%{_libdir}/%{progname}  \
+    -name "*.js" -o \
+    -name "*.jsm" -o \
+    -name "*.rdf" -o \
+    -name "*.properties" -o \
+    -name "*.dtd" | xargs chmod a-x
 #
 for size in 16 22 24 32 48 256; do
   mkdir -p $RPM_BUILD_ROOT%{_datadir}/icons/hicolor/${size}x${size}/apps/
diff --git a/mozilla-ipc.patch b/mozilla-ipc.patch
new file mode 100644
index 0000000..c5c29bc
--- /dev/null
+++ b/mozilla-ipc.patch
@@ -0,0 +1,12 @@
+--- mozilla/ipc/chromium/src/build/build_config.h.orig	2011-11-21 12:18:33.736681000 +0100
++++ mozilla/ipc/chromium/src/build/build_config.h	2011-11-21 12:19:47.289191000 +0100
+@@ -57,6 +57,9 @@
+ #define ARCH_CPU_ARMEL 1
+ #define ARCH_CPU_32_BITS 1
+ #define WCHAR_T_IS_UNSIGNED 1
++#elif defined(__powerpc64__)
++#define ARCH_CPU_PPC64 1
++#define ARCH_CPU_64_BITS 1
+ #elif defined(__ppc__) || defined(__powerpc__)
+ #define ARCH_CPU_PPC 1
+ #define ARCH_CPU_32_BITS 1
diff --git a/mozilla-ppc64.patch b/mozilla-ppc64.patch
new file mode 100644
index 0000000..d07d894
--- /dev/null
+++ b/mozilla-ppc64.patch
@@ -0,0 +1,37 @@
+From: Mike Hommey <mh@glandium.org>
+Date: Sat, 20 Aug 2011 14:56:49 +0200
+Subject: Bug 670719 - Only add -DENABLE_JIT=1 to CXXFLAGS if any of
+ trace/method/yarr jit is enabled.
+
+---
+ mozilla/js/src/Makefile.in |    9 ++++++++-
+ 1 files changed, 8 insertions(+), 1 deletions(-)
+
+diff --git a/mozilla/js/src/Makefile.in b/mozilla/js/src/Makefile.in
+index 79d4ae7..23320d1 100644
+--- a/mozilla/js/src/Makefile.in
++++ b/mozilla/js/src/Makefile.in
+@@ -439,6 +439,9 @@ else
+ ###############################################
+ # BEGIN include sources for the Nitro assembler
+ #
++
++ENABLE_YARR_JIT = 1
++
+ VPATH += 	$(srcdir)/assembler \
+ 		$(srcdir)/assembler/wtf \
+ 		$(srcdir)/assembler/jit \
+@@ -1099,7 +1102,11 @@ endif
+ # Needed to "configure" it correctly.  Unfortunately these
+ # flags wind up being applied to all code in js/src, not just
+ # the code in js/src/assembler.
+-CXXFLAGS += -DUSE_SYSTEM_MALLOC=1 -DENABLE_ASSEMBLER=1 -DENABLE_JIT=1
++CXXFLAGS += -DUSE_SYSTEM_MALLOC=1 -DENABLE_ASSEMBLER=1
++
++ifneq (,$(ENABLE_YARR_JIT)$(ENABLE_TRACEJIT)$(ENABLE_METHODJIT))
++CXXFLAGS +=  -DENABLE_JIT=1
++endif
+ 
+ INCLUDES +=	-I$(srcdir)/assembler -I$(srcdir)/yarr
+ 
+-- 
diff --git a/suse-default-prefs.js b/suse-default-prefs.js
index d8ce9b0..a73ec20 100644
--- a/suse-default-prefs.js
+++ b/suse-default-prefs.js
@@ -10,3 +10,8 @@ pref("print.print_edge_left", 16); // 1/100 of an inch
 pref("print.print_edge_right", 16); // 1/100 of an inch
 pref("print.print_edge_bottom", 14); // 1/100 of an inch
 pref("intl.locale.matchOS", true);
+
+// do not disable system-global or app-global extensions
+pref("extensions.autoDisableScopes", 3);
+pref("extensions.shownSelectionUI", true);
+