Debug protobufs build

- The GO_ENABLED option was disabled when building through the
  external project in the main listfile, despite having been set
  to TRUE when the option was defined. On inspection, it turned
  out that ALL the options were FALSE. cmake apparently does not
  apply the defaults when the build is done as an external project.
  Changed them to ordinary cache variables, and voila! All is
  right with the world. Pfui.

- Modify the GitHub workflow to upload the protobuf tarballs as
  artifacts.

- Modify .gitignore to ignore `build` and `install` directories
  anywhere in the tree, not just the root.

- Rename the install directory from `proto` to `protobufs`.

Signed-off-by: Derek G Foster <[email protected]>

.github/workflows/pipeline.yml

@@ -84,6 +84,13 @@ jobs:
           export SDE_INSTALL=$SDE_INSTALL_DIR
           ./make-all.sh --target=dpdk --rpath
 
+      - name: Upload protobufs
+        working-directory: recipe
+        uses: actions/upload-artifact@v3
+        with:
+          name: protobufs
+          path: install/share/protobufs/*.tar.gz
+
   #---------------------------------------------------------------------
   # 2-krnlmon_unit_tests
   #---------------------------------------------------------------------

.gitignore

@@ -1,4 +1,4 @@
 .vscode
 .vslick
-/build
-/install
+build
+install

protobufs/CMakeLists.txt

@@ -26,9 +26,13 @@ if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
   include(../cmake/StratumDependencies.cmake)
 endif()
 
-option(GO_ENABLED TRUE "Compile protobufs for Go")
-option(GRPC_OUT_ENABLED False "Generate grpc_out directory")
-option(WHEEL_ENABLED FALSE "Generate Python wheel")
+set(GO_ENABLED TRUE CACHE BOOL "Compile protobufs for Go")
+set(GRPC_OUT_ENABLED FALSE CACHE BOOL "Generate grpc_out directory")
+set(WHEEL_ENABLED FALSE CACHE BOOL "Generate Python wheel")
+
+cmake_print_variables(GO_ENABLED)
+cmake_print_variables(GRPC_OUT_ENABLED)
+cmake_print_variables(WHEEL_ENABLED)
 
 set(CPP_OUT ${CMAKE_BINARY_DIR}/cpp_out CACHE PATH "C++ protobuf files")
 file(MAKE_DIRECTORY ${CPP_OUT})

protobufs/tarballs.cmake

@@ -87,7 +87,7 @@ install(
     ${CMAKE_CURRENT_BINARY_DIR}/${py_tarball_name}
     ${go_tarball}
   DESTINATION
-    ${CMAKE_INSTALL_DATAROOTDIR}/stratum/proto
+    ${CMAKE_INSTALL_DATAROOTDIR}/stratum/protobufs
 )
 
 if(WHEEL_ENABLED)