diff --git a/src/plugins/clangpchmanager/clangpchmanager.pro b/src/plugins/clangpchmanager/clangpchmanager.pro
index 10c8f1b70b..3792f6d6a3 100644
--- a/src/plugins/clangpchmanager/clangpchmanager.pro
+++ b/src/plugins/clangpchmanager/clangpchmanager.pro
@@ -1,9 +1,7 @@
 include(../../qtcreatorplugin.pri)
 include(clangpchmanager-source.pri)
 include(../../shared/clang/clang_installation.pri)
-
-DEFINES += CLANG_VERSION=\\\"$${LLVM_VERSION}\\\"
-DEFINES += "\"CLANG_RESOURCE_DIR=\\\"$${LLVM_LIBDIR}/clang/$${LLVM_VERSION}/include\\\"\""
+include(../../shared/clang/clang_defines.pri)
 
 HEADERS += \
     $$PWD/clangpchmanagerplugin.h \
diff --git a/src/shared/clang/clang_installation.pri b/src/shared/clang/clang_installation.pri
index 6d37719384..db957a4ddc 100644
--- a/src/shared/clang/clang_installation.pri
+++ b/src/shared/clang/clang_installation.pri
@@ -45,6 +45,10 @@ defineReplace(findClangLibInLibDir) {
     } else {
         exists ($${libdir}/libclang.*) {
             return("-llibclang")
+        } else {
+            exists ($${libdir}/*libclang.dll.a) {
+                return("-llibclang.dll")
+            }
         }
     }
 }