FindOctave: Add target for octinterp

This change adds the Octave::Octinterp target to make the octinterp
library available without users having to resort to using the
Octave_INTERP_LIBRARY variable.

2 files changed, 30 insertions, 0 deletions

diff --git a/Tests/FindOctave/Test/CMakeLists.txt b/Tests/FindOctave/Test/CMakeLists.txt
index ce33fcd..73aa831 100644
--- a/Tests/FindOctave/Test/CMakeLists.txt
+++ b/Tests/FindOctave/Test/CMakeLists.txt
@@ -10,6 +10,10 @@ add_executable(test_tgt main.cpp)
 target_link_libraries(test_tgt Octave::Octave)
 add_test(NAME test_tgt COMMAND test_tgt)
 
+add_executable(test_octinterp_tgt interp_main.cpp)
+target_link_libraries(test_octinterp_tgt Octave::Octinterp)
+add_test(NAME test_octinterp_tgt COMMAND test_octinterp_tgt)
+
 add_test(NAME test_tgt_exe
          COMMAND Octave::Interpreter -q --eval "runtests('.')"
          WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
diff --git a/Tests/FindOctave/Test/interp_main.cpp b/Tests/FindOctave/Test/interp_main.cpp
new file mode 100644
index 0000000..1efa187
--- /dev/null
+++ b/Tests/FindOctave/Test/interp_main.cpp
@@ -0,0 +1,26 @@
+#include <iostream>
+#include <oct.h>
+#include <octave.h>
+#include <parse.h>
+#include <toplev.h>
+
+int main(void)
+{
+  string_vector argv(2);
+  argv(0) = "embedded";
+  argv(1) = "-q";
+
+  try {
+    octave_main(2, argv.c_str_vec(), 1);
+    octave_value_list in;
+    in(0) = 72.0;
+    const octave_value_list result = feval("sqrt", in);
+    std::cout << "result is " << result(0).scalar_value() << std::endl;
+    clean_up_and_exit(0);
+  } catch (const octave::exit_exception& ex) {
+    std::cerr << "Octave interpreter exited with status = " << ex.exit_status()
+              << std::endl;
+  } catch (const octave::execution_exception&) {
+    std::cerr << "error encountered in Octave evaluator!" << std::endl;
+  }
+}