diff --git a/3party/osrm/osrm-backend/CMakeLists.txt b/3party/osrm/osrm-backend/CMakeLists.txt
index 693c088ca3..b8cd78b13d 100755
--- a/3party/osrm/osrm-backend/CMakeLists.txt
+++ b/3party/osrm/osrm-backend/CMakeLists.txt
@@ -149,8 +149,9 @@ if(CMAKE_BUILD_TYPE MATCHES Release)
     if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND
         NOT "${CMAKE_CXX_COMPILER_VERSION}" VERSION_LESS "4.9.0" AND NOT MINGW)
       message(STATUS "Using gcc specific binutils for LTO.")
-      set(CMAKE_AR     "/usr/bin/gcc-ar")
-      set(CMAKE_RANLIB "/usr/bin/gcc-ranlib")
+      get_filename_component(GCC_PATH "${CMAKE_CXX_COMPILER}" PATH)
+      set(CMAKE_AR     "${GCC_PATH}/gcc-ar")
+      set(CMAKE_RANLIB "${GCC_PATH}/gcc-ranlib")
     endif()
   endif()
 endif()
diff --git a/tools/unix/build_omim.sh b/tools/unix/build_omim.sh
index 04e2695935..65178a8f92 100755
--- a/tools/unix/build_omim.sh
+++ b/tools/unix/build_omim.sh
@@ -112,14 +112,7 @@ build_conf_osrm()
   (
     export BOOST_INCLUDEDIR="$BOOST_PATH/include"
     cd "$DIRNAME"
-    if [ -n "$DEVTOOLSET_PATH" ]; then
-      # linux-clang spec requires --gcc-toolchain flag
-      "$QMAKE" "$OMIM_PATH/omim.pro" -spec $OSPEC "CONFIG+=$CONF osrm no-tests" \
-        "QMAKE_CXXFLAGS *=--gcc-toolchain=$DEVTOOLSET_PATH/root/usr" \
-        "QMAKE_LFLAGS *=--gcc-toolchain=$DEVTOOLSET_PATH/root/usr"
-    else
-      "$QMAKE" "$OMIM_PATH/omim.pro" -spec $OSPEC "CONFIG+=$CONF osrm"
-    fi
+    "$QMAKE" "$OMIM_PATH/omim.pro" ${SPEC:+-spec $SPEC} "CONFIG+=$CONF osrm" ${CONFIG+"CONFIG*=$CONFIG"}
     make -j $PROCESSES
   )
 }