FindTIFF: add component CXX to include the C++ wrapper libtiffxx

Fixes: #20860

1 files changed, 16 insertions, 0 deletions

diff --git a/Tests/FindTIFF/Test/main.cxx b/Tests/FindTIFF/Test/main.cxx
new file mode 100644
index 0000000..f80a31f
--- /dev/null
+++ b/Tests/FindTIFF/Test/main.cxx
@@ -0,0 +1,16 @@
+#include <fstream>
+
+#include <assert.h>
+#include <tiffio.hxx>
+
+int main()
+{
+  /* Without any TIFF file to open, test that the call fails as
+     expected.  This tests that linking worked. */
+  TIFF* tiff = TIFFOpen("invalid.tiff", "r");
+  assert(!tiff);
+
+  std::ifstream s;
+  TIFF* tiffxx = TIFFStreamOpen("invalid.tiff", &s);
+  return 0;
+}