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-rw-r--r--src/plugins/cpptools/compileroptionsbuilder.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/plugins/cpptools/compileroptionsbuilder.cpp b/src/plugins/cpptools/compileroptionsbuilder.cpp
index ae2e9a1467..b0a5b5633e 100644
--- a/src/plugins/cpptools/compileroptionsbuilder.cpp
+++ b/src/plugins/cpptools/compileroptionsbuilder.cpp
@@ -216,7 +216,9 @@ void CompilerOptionsBuilder::addHeaderPathOptions()
prefix = QLatin1String("-F");
break;
case HeaderPathType::System:
- prefix = "-isystem";
+ prefix = m_useSystemHeader == UseSystemHeader::No
+ ? QLatin1String("-I")
+ : QLatin1String("-isystem");
break;
default: // This shouldn't happen, but let's be nice..:
// intentional fall-through: