feature: support to build oneDAL with bazel

.bazelrc

@@ -16,6 +16,9 @@ build --flag_alias=device=@config//:device
 build --flag_alias=cpu=@config//:cpu
 build --flag_alias=enable_assert=@config//:enable_assert
 
+#Build oneDAL via bazel
+build --release_dpc
+
 # Always pass this env variable to test rules, because SYCL
 # OpenCL backend uses it to determine available devices
 test --test_env=OCL_ICD_FILENAMES \

BUILD

@@ -1,6 +1,7 @@
 load("@onedal//dev/bazel:release.bzl",
     "release",
     "release_include",
+    "release_env"
 )
 
 release(
@@ -14,6 +15,10 @@ release(
             hdrs = [ "@onedal//cpp/daal:kernel_defines" ],
             add_prefix = "services/internal",
         ),
+        release_include(
+            hdrs = [ "@micromkl_dpc//:headers" ],
+            skip_prefix = "external/micromkl_dpc/include/",
+        ),
         release_include(
             hdrs = [ "@onedal//cpp/oneapi/dal:public_includes" ],
             skip_prefix = "cpp",
@@ -34,8 +39,8 @@ release(
             "@onedal//cpp/oneapi/dal:dynamic_dpc",
             "@onedal//cpp/oneapi/dal:static_parameters_dpc",
             "@onedal//cpp/oneapi/dal:dynamic_parameters_dpc",
-            # TODO: Add onedal_sycl
         ],
         "//conditions:default": [],
     }),
+    env = release_env()
 )

dev/bazel/release.bzl

@@ -82,12 +82,38 @@ def _copy_lib(ctx, prefix):
         dst_files.append(dst_file)
     return dst_files
 
+def _copy_env(ctx, prefix):
+    lib_prefix = paths.join(prefix, "env")
+    env_files = env_scripts_generator(ctx)
+    dst_files = []
+    for lib in env_files:
+        dst_path = paths.join(lib_prefix, lib.basename)
+        dst_file = _copy(ctx, lib, dst_path)
+        dst_files.append(dst_file)
+    return dst_files
+
+#draft version for env script, its necessary to do it autogenerated
+def env_scripts_generator(ctx):
+    out = ctx.actions.declare_file("vars.sh")
+    ctx.actions.write(
+        output=out,
+        content="""\
+    export CMAKE_PREFIX_PATH="`pwd`/bazel-bin/release/daal/latest":$CMAKE_PREFIX_PATH
+    export CPATH="`pwd`/bazel-bin/release/daal/latest/include":$CPATH
+    export DALROOT="`pwd`/bazel-bin/release/daal/latest"
+    export LD_LIBRARY_PATH="`pwd`/bazel-bin/release/daal/latest/lib/intel64":$LD_LIBRARY_PATH
+    export LIBRARY_PATH="`pwd`/bazel-bin/release/daal/latest/lib/intel64":$LIBRARY_PATH
+    """,
+    )
+    return [out]
+
 def _copy_to_release_impl(ctx):
     extra_toolchain = ctx.toolchains["@onedal//dev/bazel/toolchains:extra"]
     prefix = ctx.attr.name + "/daal/latest"
     files = []
     files += _copy_include(ctx, prefix)
     files += _copy_lib(ctx, prefix)
+    files += _copy_env(ctx, prefix)
     return [DefaultInfo(files=depset(files))]
 
 _release = rule(
@@ -97,6 +123,7 @@ _release = rule(
         "include_prefix": attr.string_list(),
         "include_skip_prefix": attr.string_list(),
         "lib": attr.label_list(allow_files=True),
+        "env": attr.label_list(allow_files=True),
     },
     toolchains = [
         "@onedal//dev/bazel/toolchains:extra"
@@ -130,7 +157,10 @@ headers_filter = rule(
 def release_include(hdrs, skip_prefix="", add_prefix=""):
     return (hdrs, add_prefix, skip_prefix)
 
-def release(name, include, lib):
+def release_env():
+    return ()
+
+def release(name, include, lib, env):
     rule_include = []
     rule_include_prefix = []
     rule_include_skip_prefix = []
@@ -145,4 +175,5 @@ def release(name, include, lib):
         include_prefix = rule_include_prefix,
         include_skip_prefix = rule_include_skip_prefix,
         lib = lib,
+        env = env,
     )