postinstall checks: check that we include installed C++ headers (refs #2182)

1 files changed, 10 insertions, 0 deletions

diff --git a/test/postinstall/testcpp/testcpp.cpp b/test/postinstall/testcpp/testcpp.cpp
new file mode 100644
index 00000000..a03ca0ee
--- /dev/null
+++ b/test/postinstall/testcpp/testcpp.cpp
@@ -0,0 +1,10 @@
+#include <proj/io.hpp>
+#include <proj/crs.hpp>
+#include <proj/coordinateoperation.hpp>
+#include <proj/coordinatesystem.hpp>
+#include <proj/datum.hpp>
+
+int main(int /*argc */, char** /* argv */)
+{
+    return 0;
+}