Enable MacOS eBPF tests.

Signed-off-by: fruffy <[email protected]>

Author: fruffy

.github/workflows/ci-test-mac.yml

@@ -58,7 +58,7 @@ jobs:
       - name: Run tests (MacOS)
         run: |
           source ~/.bash_profile
-          ctest --output-on-failure --schedule-random -E "bpf|ubpf|testgen|smith"
+          ctest --output-on-failure --schedule-random -E "ubpf|testgen|smith"
         working-directory: ./build
 
   # Build and test p4c on MacOS 13 on x86.
@@ -105,5 +105,5 @@ jobs:
       - name: Run tests (MacOS)
         run: |
           source ~/.bash_profile
-          ctest --output-on-failure --schedule-random -E "bpf|ubpf|testgen|smith"
+          ctest --output-on-failure --schedule-random -E "ubpf|testgen|smith"
         working-directory: ./build

backends/ebpf/CMakeLists.txt

@@ -15,32 +15,30 @@
 # CMakefile for the EBPF P4-16 back-end.
 message(STATUS "Start configuring the eBPF back end")
 
-if(NOT APPLE)
-  # Fetch and declare the libbpf library. Print out download state while setting up libbpf.
-  set(FETCHCONTENT_QUIET_PREV ${FETCHCONTENT_QUIET})
-  set(FETCHCONTENT_QUIET OFF)
-  fetchcontent_declare(
-    bpfrepo
-    URL https://github.com/libbpf/libbpf/archive/refs/tags/v1.4.1.tar.gz
-    URL_HASH SHA256=cc01a3a05d25e5978c20be7656f14eb8b6fcb120bb1c7e8041e497814fc273cb
-    SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/runtime/contrib/libbpf
-    USES_TERMINAL_DOWNLOAD TRUE
-    GIT_PROGRESS TRUE
-    DOWNLOAD_EXTRACT_TIMESTAMP TRUE
+# Fetch and declare the libbpf library. Print out download state while setting up libbpf.
+set(FETCHCONTENT_QUIET_PREV ${FETCHCONTENT_QUIET})
+set(FETCHCONTENT_QUIET OFF)
+fetchcontent_declare(
+  bpfrepo
+  URL https://github.com/libbpf/libbpf/archive/refs/tags/v1.4.1.tar.gz
+  URL_HASH SHA256=cc01a3a05d25e5978c20be7656f14eb8b6fcb120bb1c7e8041e497814fc273cb
+  SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/runtime/contrib/libbpf
+  USES_TERMINAL_DOWNLOAD TRUE
+  GIT_PROGRESS TRUE
+  DOWNLOAD_EXTRACT_TIMESTAMP TRUE
+)
+fetchcontent_makeavailable(bpfrepo)
+set(FETCHCONTENT_QUIET ${FETCHCONTENT_QUIET_PREV})
+# Check if we have already built the libbpf library.
+find_library(LIBBPF NAMES bpf HINTS "${CMAKE_CURRENT_SOURCE_DIR}/runtime/usr/lib64/")
+if (NOT LIBBPF)
+  message("Building libbpf...")
+  execute_process(
+    COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/build_libbpf
+    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
   )
-  fetchcontent_makeavailable(bpfrepo)
-  set(FETCHCONTENT_QUIET ${FETCHCONTENT_QUIET_PREV})
-  # Check if we have already built the libbpf library.
-  find_library(LIBBPF NAMES bpf HINTS "${CMAKE_CURRENT_SOURCE_DIR}/runtime/usr/lib64/")
-  if (NOT LIBBPF)
-    message("Building libbpf...")
-    execute_process(
-      COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/build_libbpf
-      WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
-    )
-  endif()
-  message("Done with setting up libbpf for P4C.")
 endif()
+message("Done with setting up libbpf for P4C.")