diff --git a/mupdf-no-strip.patch b/mupdf-no-strip.patch
new file mode 100644
index 0000000..15d0535
--- /dev/null
+++ b/mupdf-no-strip.patch
@@ -0,0 +1,15 @@
+Index: mupdf-1.12.0-source/Makerules
+===================================================================
+--- mupdf-1.12.0-source.orig/Makerules
++++ mupdf-1.12.0-source/Makerules
+@@ -25,8 +25,8 @@ ifeq "$(build)" "debug"
+ CFLAGS += -pipe -g
+ LDFLAGS += -g
+ else ifeq "$(build)" "release"
+-CFLAGS += -pipe -O2 -DNDEBUG -fomit-frame-pointer
+-LDFLAGS += $(LDREMOVEUNREACH) -Wl,-s
++CFLAGS += -pipe -O2 -DNDEBUG
++LDFLAGS += $(LDREMOVEUNREACH) 
+ else ifeq "$(build)" "small"
+ CFLAGS += -pipe -Os -DNDEBUG -fomit-frame-pointer
+ LDFLAGS += $(LDREMOVEUNREACH) -Wl,-s
diff --git a/mupdf.changes b/mupdf.changes
index 13e81c5..39b7d7b 100644
--- a/mupdf.changes
+++ b/mupdf.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Wed Feb 14 18:46:28 UTC 2018 - crrodriguez@opensuse.org
+
+-mupdf-no-strip.patch: fix debuginfo generation  
+
+-------------------------------------------------------------------
+Wed Feb 14 18:09:24 UTC 2018 - crrodriguez@opensuse.org
+
+- Remove xorg-x11-devel from buildrequires 
+
 -------------------------------------------------------------------
 Mon Feb 12 07:53:53 UTC 2018 - kbabioch@suse.com
 
diff --git a/mupdf.spec b/mupdf.spec
index b37568d..307eba8 100644
--- a/mupdf.spec
+++ b/mupdf.spec
@@ -34,6 +34,7 @@ Patch4:         CVE-2018-6187.patch
 Patch5:         CVE-2018-6192.patch
 Patch6:         CVE-2018-6544.patch
 Patch7:         CVE-2018-1000051.patch
+Patch8:         mupdf-no-strip.patch
 BuildRequires:  freetype2-devel
 BuildRequires:  gcc-c++
 BuildRequires:  jbig2dec-devel
@@ -42,9 +43,10 @@ BuildRequires:  libjpeg-devel
 BuildRequires:  openjpeg2-devel
 BuildRequires:  pkgconfig
 BuildRequires:  update-desktop-files
-BuildRequires:  xorg-x11-devel
 BuildRequires:  zlib-devel
 BuildRequires:  pkgconfig(harfbuzz)
+BuildRequires:  pkgconfig(x11)
+BuildRequires:  pkgconfig(xext)
 Requires:       xdg-utils
 
 %description
@@ -76,7 +78,7 @@ based on mupdf.
 %patch5 -p1
 %patch6 -p1
 %patch7 -p1
-
+%patch8 -p1
 # do not use the inlined copies of build dpendencies except for mujs
 rm -rf $(ls -d thirdparty/*/ | grep -v mujs)
 
@@ -91,7 +93,7 @@ sed -e s,'INSTALL_APPS := .*','INSTALL_APPS := $(MUTOOL_EXE) $(MUVIEW_X11_CURL_E
 
 %build
 # do no set CFLAGS which is used by the build system itself!
-export XCFLAGS="%{optflags} -fPIC -lpthread"
+export XCFLAGS="%{optflags} -fPIC -pthread"
 make %{?_smp_mflags} \
     build=release \
     verbose=yes \