gcc-4.8-root: $GCC48_ROOT/bin
gcc-4.8-cxx: g++-4.8
gcc-4.8-cc: gcc-4.8
-gcc-4.8-exe-ldflags: -L$GCC48_ROOT/lib -Wl,-rpath=$GCC48_ROOT/lib
+gcc-4.8-exe-ldflags: -L$GCC48_ROOT/lib64 -Wl,-rpath=$GCC48_ROOT/lib64
gcc-4.8-extlib: rt
gcc-4.8-boost: $BOOST_ROOT
gcc-4.8-64-boost-lib: stage64-gcc4.8/lib
clang-3.7-cxx: clang++
clang-3.7-cc: clang
clang-3.7-cxxflags: -stdlib=libc++ -Wdocumentation
-clang-3.7-exe-ldflags: -L$CLANG37_ROOT/lib -Wl,-rpath=$CLANG37_ROOT/lib
-clang-3.7-extlib: rt c++abi
+clang-3.7-exe-ldflags: -L$CLANG37_ROOT/lib -Wl,-rpath=$CLANG37_ROOT/lib -lc++abi
+clang-3.7-extlib: rt
clang-3.7-boost: $BOOST_ROOT
clang-3.7-64-boost-lib: stage64-clang3.7/lib
clang-3.7-gtest: $GTEST_ROOT
clang-3.9-64-gtest-lib: $GTEST_ROOT/lib-clang3.9/libgtest.a
+########################################
+# clang-4
+clang-4-root: $CLANG4_ROOT/bin
+clang-4-cxx: clang++
+clang-4-cc: clang
+clang-4-cxxflags: -stdlib=libc++ -Wdocumentation
+clang-4-exe-ldflags: -L$CLANG4_ROOT/lib -Wl,-rpath=$CLANG4_ROOT/lib
+clang-4-extlib: rt
+clang-4-boost: $BOOST_ROOT
+clang-4-64-boost-lib: stage64-clang4/lib
+clang-4-64-asan-boost-lib: stage64-clang4-asan/lib
+clang-4-64-tsan-boost-lib: stage64-clang4-tsan/lib
+clang-4-gtest: $GTEST_ROOT
+clang-4-64-gtest-lib: $GTEST_ROOT/lib-clang4/libgtest.a
+