Index: cmake/base-config-ix.cmake
===================================================================
--- cmake/base-config-ix.cmake
+++ cmake/base-config-ix.cmake
@@ -147,10 +147,10 @@
       # since the default ABI differs between gcc and clang.
       # FIXME: Ideally, we would build the N32 library too.
       test_target_arch(mipsel "" "-mips32r2" "--target=mipsel-linux-gnu")
-      test_target_arch(mips64el "" "-mips64r2" "--target=mips64el-linux-gnu" "-mabi=n64")
+      test_target_arch(mips64el "" "-mips64r2" "--target=mips64el-linux-gnu" "-mabi=64")
     elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "mips")
       test_target_arch(mips "" "-mips32r2" "--target=mips-linux-gnu")
-      test_target_arch(mips64 "" "-mips64r2" "--target=mips64-linux-gnu" "-mabi=n64")
+      test_target_arch(mips64 "" "-mips64r2" "--target=mips64-linux-gnu" "-mabi=64")
     elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "arm")
       test_target_arch(arm "" "-march=armv7-a" "-mfloat-abi=soft")
       test_target_arch(armhf "" "-march=armv7-a" "-mfloat-abi=hard")