Install the kernel spec in CMake

CMakeLists.txt

@@ -31,6 +31,11 @@ elseif (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
     set(LFORTRAN_CXX_NO_RTTI_FLAG "/GR-")
 endif ()
 
+
+# For CMAKE_INSTALL_BINDIR:
+include(GNUInstallDirs)
+
+
 # Build a CPack driven installer package
 #
 # To build a binary package:
@@ -101,6 +106,21 @@ set(WITH_XEUS no CACHE BOOL "Build with XEUS support")
 if (WITH_XEUS)
     find_package(xeus 0.24.1 REQUIRED)
     set(HAVE_LFORTRAN_XEUS yes)
+
+    # Generate kernel.json with correct paths
+    configure_file (
+        "${CMAKE_CURRENT_SOURCE_DIR}/share/jupyter/kernels/fortran/kernel.json.in"
+        "${CMAKE_CURRENT_BINARY_DIR}/share/jupyter/kernels/fortran/kernel.json"
+    )
+
+    # Configuration and data directories for Jupyter and LFortran
+    set(XJUPYTER_DATA_DIR "share/jupyter" CACHE STRING "Jupyter data directory")
+
+    # Install Jupyter kernelspecs
+    set(XEUS_CALCSPEC_DIR ${CMAKE_CURRENT_BINARY_DIR}/share/jupyter/kernels)
+    install(DIRECTORY ${XEUS_CALCSPEC_DIR}
+            DESTINATION ${XJUPYTER_DATA_DIR}
+            PATTERN "*.in" EXCLUDE)
 endif()
 
 # JSON