From b1d8c59e9b014b527fb2fbef9ce9afc14dbc4938 Mon Sep 17 00:00:00 2001
From: Yifei Feng <yifeif@google.com>
Date: Wed, 22 Nov 2017 13:42:21 -0800
Subject: Merge changes from github.

PiperOrigin-RevId: 176695926
---
 third_party/sycl/crosstool/trisycl.tpl | 85 ++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 third_party/sycl/crosstool/trisycl.tpl

(limited to 'third_party/sycl/crosstool/trisycl.tpl')

diff --git a/third_party/sycl/crosstool/trisycl.tpl b/third_party/sycl/crosstool/trisycl.tpl
new file mode 100644
index 0000000000..87a70d8f95
--- /dev/null
+++ b/third_party/sycl/crosstool/trisycl.tpl
@@ -0,0 +1,85 @@
+#!/usr/bin/env python
+
+import os
+import sys
+import tempfile
+from subprocess import call
+
+CPU_CXX_COMPILER = ('%{host_cxx_compiler}')
+CPU_C_COMPILER = ('%{host_c_compiler}')
+
+CURRENT_DIR = os.path.dirname(sys.argv[0])
+TRISYCL_INCLUDE_DIR = CURRENT_DIR + '/../sycl/include'
+
+
+def main():
+  compiler_flags = []
+
+  remove_flags = ('-Wl,--no-undefined', '-Wno-unused-but-set-variable',
+                  '-Wignored-attributes', '-fno-exceptions')
+  # remove -fsamotoze-coverage from string with g++
+  if 'g++' in CPU_CXX_COMPILER:
+    remove_flags += ('-fsanitize-coverage',)
+    compiler_flags += ['-fopenmp']
+  else:
+    compiler_flags += ['-fopenmp=libomp']
+
+  compiler_flags += [
+      flag for flag in sys.argv[1:] if not flag.startswith(remove_flags)
+  ]
+
+  output_file_index = compiler_flags.index('-o') + 1
+  output_file_name = compiler_flags[output_file_index]
+
+  if (output_file_index == 1):
+    # we are linking
+    return call([CPU_CXX_COMPILER] + compiler_flags + ['-Wl,--no-undefined'])
+
+  # find what we compile
+  compiling_cpp = 0
+  if ('-c' in compiler_flags):
+    compiled_file_index = compiler_flags.index('-c') + 1
+    compiled_file_name = compiler_flags[compiled_file_index]
+    if (compiled_file_name.endswith(('.cc', '.c++', '.cpp', '.CPP', '.C',
+                                     '.cxx'))):
+      compiling_cpp = 1
+
+  debug_flags = [
+      '-DTRISYCL_DEBUG', '-DBOOST_LOG_DYN_LINK', '-DTRISYCL_TRACE_KERNEL',
+      '-lpthread', '-lboost_log', '-g', '-rdynamic'
+  ]
+
+  opt_flags = ['-DNDEBUG', '-DBOOST_DISABLE_ASSERTS', '-O3']
+
+  compiler_flags = compiler_flags + [
+      '-DEIGEN_USE_SYCL=1', '-DEIGEN_HAS_C99_MATH',
+      '-DEIGEN_MAX_ALIGN_BYTES=16', '-DTENSORFLOW_USE_SYCL'
+  ] + opt_flags
+
+  if (compiling_cpp == 1):
+    # create a blacklist of folders that will be skipped when compiling
+    # with triSYCL
+    skip_extensions = ['.cu.cc']
+    skip_folders = [
+        'tensorflow/compiler', 'tensorflow/docs_src', 'tensorflow/tensorboard',
+        'third_party', 'external', 'hexagon'
+    ]
+    skip_folders = [(folder + '/') for folder in skip_folders]
+    # if compiling external project skip triSYCL
+    if any(
+        compiled_file_name.endswith(_ext) for _ext in skip_extensions) or any(
+            _folder in output_file_name for _folder in skip_folders):
+      return call([CPU_CXX_COMPILER] + compiler_flags)
+
+    host_compiler_flags = [
+        '-xc++', '-Wno-unused-variable', '-I', TRISYCL_INCLUDE_DIR
+    ] + compiler_flags
+    x = call([CPU_CXX_COMPILER] + host_compiler_flags)
+    return x
+  else:
+    # compile for C
+    return call([CPU_C_COMPILER] + compiler_flags)
+
+
+if __name__ == '__main__':
+  sys.exit(main())
-- 
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