diff --git a/src/plugins/clangcodemodel/clangcodemodel.pro b/src/plugins/clangcodemodel/clangcodemodel.pro
index b4758730d88..38d7f7dd0fd 100644
--- a/src/plugins/clangcodemodel/clangcodemodel.pro
+++ b/src/plugins/clangcodemodel/clangcodemodel.pro
@@ -9,7 +9,9 @@ DEFINES += CLANGCODEMODEL_LIBRARY
 DEFINES += CLANG_VERSION=\\\"$${LLVM_VERSION}\\\"
 DEFINES += "\"CLANG_RESOURCE_DIR=\\\"$${LLVM_LIBDIR}/clang/$${LLVM_VERSION}/include\\\"\""
 
-unix:QMAKE_LFLAGS += -Wl,-rpath,\'$$LLVM_LIBDIR\'
+unix {
+    !disable_external_rpath: QMAKE_LFLAGS += -Wl,-rpath,\'$$LLVM_LIBDIR\'
+}
 
 SOURCES += \
     activationsequencecontextprocessor.cpp \
diff --git a/src/tools/clangbackend/clangbackend.pro b/src/tools/clangbackend/clangbackend.pro
index 452eb8dbded..c3210fedbfb 100644
--- a/src/tools/clangbackend/clangbackend.pro
+++ b/src/tools/clangbackend/clangbackend.pro
@@ -16,5 +16,5 @@ SOURCES += clangbackendmain.cpp
 
 unix {
     !osx: QMAKE_LFLAGS += -Wl,-z,origin
-    QMAKE_LFLAGS += -Wl,-rpath,$$shell_quote($${LLVM_LIBDIR})
+    !disable_external_rpath: QMAKE_LFLAGS += -Wl,-rpath,$$shell_quote($${LLVM_LIBDIR})
 }