diff --git a/test/postinstall/test_pkg-config.sh b/test/postinstall/test_pkg-config.sh
index fc7fb8b774..98c0815eca 100755
--- a/test/postinstall/test_pkg-config.sh
+++ b/test/postinstall/test_pkg-config.sh
@@ -80,4 +80,6 @@ make clean
 
 cd ..
 
+(cd testcpp && make && make clean)
+
 exit $ERRORS
diff --git a/test/postinstall/testcpp/Makefile b/test/postinstall/testcpp/Makefile
new file mode 100644
index 0000000000..d6c47e6565
--- /dev/null
+++ b/test/postinstall/testcpp/Makefile
@@ -0,0 +1,15 @@
+PROGRAM = testcpp
+OBJECTS = $(addsuffix .o,$(PROGRAM))
+
+override CXXFLAGS += -std=c++11 -fvisibility=hidden -g -Wall -Werror $(shell pkg-config proj --cflags)
+override LDFLAGS += $(shell pkg-config proj --libs)
+
+all: $(PROGRAM)
+
+$(PROGRAM): $(OBJECTS)
+	$(CXX) -o $@ $< $(LDFLAGS)
+
+clean:
+	$(RM) $(PROGRAM) $(OBJECTS)
+
+.PHONY: clean
diff --git a/test/postinstall/testcpp/testcpp.cpp b/test/postinstall/testcpp/testcpp.cpp
new file mode 100644
index 0000000000..a03ca0ee47
--- /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;
+}