Merge branch 'FindOctave-interp-target' into release-3.14

Merge-request: !2931

Modules/FindOctave.cmake

@@ -15,7 +15,10 @@ This module defines the following :prop_tgt:`IMPORTED` targets:
 ``Octave::Interpreter``
   Octave interpreter (the main program)
 ``Octave::Octave``
-  include directories and libraries
+  include directories and the octave library
+``Octave::Octinterp``
+  include directories and the octinterp library including the dependency on
+  Octave::Octave
 
 If no ``COMPONENTS`` are specified, ``Interpreter`` is assumed.
 
@@ -144,6 +147,15 @@ if(Octave_Development_FOUND)
                          )
   endif()
 
+  if(NOT TARGET Octave::Octinterp)
+    add_library(Octave::Octinterp UNKNOWN IMPORTED)
+    set_target_properties(Octave::Octinterp PROPERTIES
+                          IMPORTED_LOCATION ${Octave_INTERP_LIBRARY}
+                          INTERFACE_INCLUDE_DIRECTORIES ${Octave_INCLUDE_DIR})
+    target_link_libraries(Octave::Octinterp INTERFACE
+                          Octave::Octave)
+  endif()
+
 endif()
 
 

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})

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;
+  }
+}