diff --git a/libreoffice.spec b/libreoffice.spec
index 4aff067..ff4a6c8 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -132,6 +132,7 @@ BuildRequires: doxygen
 BuildRequires: findutils
 BuildRequires: flex
 BuildRequires: gcc-c++
+BuildRequires: gdb
 BuildRequires: git
 BuildRequires: gperf
 BuildRequires: icu
@@ -1332,6 +1333,7 @@ touch autogen.lastrun
  %{?bundling_options} \
  %{?archoptions}
 
+ulimit -c unlimited
 make VERBOSE=true
 
 #generate the icons and mime type stuff