Remove all settings for -pthread since bob.extension#34 is now fixed

gitlab/functions.sh

@@ -216,21 +216,13 @@ PREFIX=${CI_PROJECT_DIR}/${VIRTUALENV_PATH}
 if [ "${OSNAME}" == "linux" ]; then
   # Temporary hack to get building done right with gcc-5 compilers
   if [ -z "${CFLAGS}" ]; then
-    CFLAGS="-D_GLIBCXX_USE_CXX11_ABI=0 -pthread"
+    CFLAGS="-D_GLIBCXX_USE_CXX11_ABI=0"
   else
-      if [[ "${CFLAGS}" != *-pthread* ]]; then
-        CFLAGS="${CFLAGS} -pthread"
-      fi
       if [[ "${CFLAGS}" != *-D_GLIBCXX_USE_CXX11_ABI=0* ]]; then
         CFLAGS="${CFLAGS} -D_GLIBCXX_USE_CXX11_ABI=0"
       fi
   fi
 else #macosx
-  if [ -z "${CFLAGS}" ]; then
-    CFLAGS="-pthread"
-  elif [[ "${CFLAGS}" != *-pthread* ]]; then
-        CFLAGS="${CFLAGS} -pthread"
-  fi
   if [ "${CFLAGS}" == *-DBZ_DEBUG* ]; then
     # -DBZ_DEBUG does not work well with clang
     CFLAGS=`echo ${CFLAGS} | sed -e s/\s*-DBZ_DEBUG//g`