Standalone rti

.github/workflows/build.yml

@@ -95,6 +95,14 @@ jobs:
 #           vcpkgGitCommitId: $(vcpkgGitRef)
 #           vcpkgGitURL: https://github.com/microsoft/vcpkg/
 #         if: runner.os == 'Windows'
+      - name: Install RTI;
+        run: |
+          cd org.lflang/src/lib/core/federated/RTI
+          mkdir build
+          cd build
+          cmake ../
+          make
+          sudo make install
       - name: Run C tests;
         run: |
           ./gradlew test --tests org.lflang.tests.runtime.CTest.*

org.lflang/src/lib/core/federated/RTI/CMakeLists.txt

@@ -0,0 +1,63 @@
+# This is a cmake build script providing a solution for compiling
+# the RTI in this directory..
+#
+# Usage:
+#
+# To compile with cmake, run the following commands:
+#
+# $> mkdir build && cd build
+# $> cmake ../
+# $> make
+# $> sudo make install
+#
+# This create a binary RTI in the current working directory. Please put this in
+# a directory that is on the path.
+#
+# To enable DEBUG messages, use the following build commands instead:
+# 
+# $> mkdir build && cd build
+# $> cmake -DCMAKE_BUILD_TYPE=DEBUG ../
+# $> make
+# $> sudo make install
+#
+# If you would like to go back to non-DEBUG mode, you would have to remove all
+# contents of the `build` folder.
+
+cmake_minimum_required(VERSION 3.12)
+project(RTI VERSION 1.0.0 LANGUAGES C)
+
+set(CoreLib ../../../core)
+
+# Check which system we are running on to select the correct platform support
+# file and assign the file's path to LF_PLATFORM_FILE
+if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+  set(LF_PLATFORM_FILE ${CoreLib}/platform/lf_linux_support.c)
+elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
+  set(LF_PLATFORM_FILE ${CoreLib}/platform/lf_macos_support.c)
+else()
+  message(FATAL_ERROR "Your platform is not supported! RTI supports Linux and MacOS.")
+endif()
+
+include_directories(${CoreLib})
+include_directories(${CoreLib}/platform)
+include_directories(${CoreLib}/federated)
+
+# Declare a new executable target and list all its sources
+add_executable(RTI rti.c ${LF_PLATFORM_FILE})
+
+IF(CMAKE_BUILD_TYPE MATCHES DEBUG)
+    # Set the LOG_LEVEL to 4 to get DEBUG messages
+    target_compile_definitions(RTI PUBLIC LOG_LEVEL=4)
+ENDIF(CMAKE_BUILD_TYPE MATCHES DEBUG)
+
+# Set the number of workers to enable threading
+target_compile_definitions(RTI PUBLIC NUMBER_OF_WORKERS)
+
+# Find pthreads and link to it
+find_package(Threads REQUIRED)
+target_link_libraries(RTI Threads::Threads)
+
+install(
+    TARGETS RTI
+    DESTINATION bin
+)

org.lflang/src/lib/core/federated/RTI/README.md

@@ -0,0 +1,20 @@
+This folder contains the source code for the Run-Time Infrastructure (RTI) that
+is necessary for federated Lingua Franca programs. To compile and install, do:
+
+```bash
+mkdir build && cd build
+cmake ../
+make
+sudo make install
+```
+
+**Note:** To enable DEBUG messages, use the following build commands instead:
+
+```bash
+mkdir build && cd build
+cmake -DCMAKE_BUILD_TYPE=DEBUG ../
+make
+sudo make install
+```
+
+If you would like to go back to the non-DEBUG mode, you would have to remove all contents of the `build` folder.