Fix packaging scripts on MacOS (#698)

CMakeLists.txt

@@ -76,6 +76,8 @@ include(cmake/OpenSSL.cmake)
 
 include(cmake/VersionInfo.cmake)
 
+include(cmake/RPath.cmake)
+
 add_subdirectory(core/platform)
 set(couchbase_cxx_client_FILES
     ${CMAKE_CURRENT_BINARY_DIR}/generated/mozilla_ca_bundle.cxx

cmake/CompilerWarnings.cmake

@@ -70,11 +70,6 @@ function(set_project_warnings project_name)
   )
 
   set(CLANG_WARNINGS ${COMMON_WARNINGS})
-  if(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS_EQUAL "17.0.0")
-    set(CLANG_WARNINGS ${CLANG_WARNINGS} -Wshadow # warn the user if a variable declaration shadows one from a parent
-                                                  # context
-    )
-  endif()
 
   if(MSVC)
     set(PROJECT_WARNINGS ${MSVC_WARNINGS})

cmake/Packaging.cmake

@@ -41,9 +41,13 @@ set(COUCHBASE_CXX_CLIENT_MANIFEST "${PROJECT_BINARY_DIR}/packaging/MANIFEST")
 if(APPLE)
   find_program(TAR gtar)
   find_program(SED gsed)
+  find_program(XARGS gxargs)
+  find_program(CP gcp)
 else()
   find_program(TAR tar)
   find_program(SED sed)
+  find_program(XARGS xargs)
+  find_program(CP cp)
 endif()
 
 add_custom_command(
@@ -86,12 +90,12 @@ add_custom_command(
     -DCPM_USE_LOCAL_PACKAGES=OFF -DCOUCHBASE_CXX_CLIENT_BUILD_STATIC=OFF -DCOUCHBASE_CXX_CLIENT_INSTALL=ON
     -DCOUCHBASE_CXX_RECORD_BUILD_INFO_FOR_TARBALL=ON
   COMMAND
-    xargs --arg-file=${COUCHBASE_CXX_TARBALL_THIRD_PARTY_GLOB_FILE} -I {} find
+    ${XARGS} --arg-file=${COUCHBASE_CXX_TARBALL_THIRD_PARTY_GLOB_FILE} -I {} find
     "${COUCHBASE_CXX_CLIENT_TARBALL_NAME}/tmp/cache" -wholename "${COUCHBASE_CXX_CLIENT_TARBALL_NAME}/tmp/cache/{}"
     -type f | grep -v "crypto_test_data\\|googletest" | uniq >
     "${COUCHBASE_CXX_CLIENT_TARBALL_NAME}/tmp/third_party_manifest.txt"
   COMMAND ${CMAKE_COMMAND} -E make_directory "${COUCHBASE_CXX_CLIENT_TARBALL_NAME}/tmp/filtered_cache"
-  COMMAND xargs --arg-file="${COUCHBASE_CXX_CLIENT_TARBALL_NAME}/tmp/third_party_manifest.txt" -I {} cp --parents {}
+  COMMAND ${XARGS} --arg-file="${COUCHBASE_CXX_CLIENT_TARBALL_NAME}/tmp/third_party_manifest.txt" -I {} ${CP} --parents {}
           "${COUCHBASE_CXX_CLIENT_TARBALL_NAME}/tmp/filtered_cache"
   COMMAND
     ${CMAKE_COMMAND} -E rename

cmake/RPath.cmake

@@ -0,0 +1,10 @@
+if(NOT MSVC)
+  if(APPLE)
+    set(CMAKE_MACOSX_RPATH ON)
+  endif()
+  set(CMAKE_INSTALL_RPATH_USE_LINK_PATH ON)
+  list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}" isSystemDir)
+  if("${isSystemDir}" STREQUAL "-1")
+    set(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
+  endif()
+endif()