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Add initial CMakeLists.txt files

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Adds CMake support for:
 - Generating the Dawn headers and C++ wrappers
 - libdawn_wire
 - libdawn_native with the Metal backend for now
 - All the examples.

Bug: dawn:333

Change-Id: I6ffbe090b0bd21d6a805c03a507ad51fda0275ca
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/15720
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
This commit is contained in:
Corentin Wallez
2020-02-05 17:16:05 +00:00
committed by Commit Bot service account
parent 47b15048a1
commit 7fe6efba4a
11 changed files with 928 additions and 10 deletions
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45
generator/generator_lib.py
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@@ -206,22 +206,39 @@ def _compute_python_dependencies(root_dir = None):
def run_generator(generator):
parser = argparse.ArgumentParser(
description = generator.get_description(),
formatter_class = argparse.ArgumentDefaultsHelpFormatter
formatter_class = argparse.ArgumentDefaultsHelpFormatter,
)
generator.add_commandline_arguments(parser);
parser.add_argument('-t', '--template-dir', default='templates', type=str, help='Directory with template files.')
parser.add_argument('--template-dir', default='templates', type=str, help='Directory with template files.')
parser.add_argument(kJinja2Path, default=None, type=str, help='Additional python path to set before loading Jinja2')
parser.add_argument('--output-json-tarball', default=None, type=str, help='Name of the "JSON tarball" to create (tar is too annoying to use in python).')
parser.add_argument('--depfile', default=None, type=str, help='Name of the Ninja depfile to create for the JSON tarball')
parser.add_argument('--expected-outputs-file', default=None, type=str, help="File to compare outputs with and fail if it doesn't match")
parser.add_argument('--root-dir', default=None, type=str, help='Optional source root directory for Python dependency computations')
parser.add_argument('--allowed-output-dirs-file', default=None, type=str, help="File containing a list of allowed directories where files can be output.")
parser.add_argument('--print-cmake-dependencies', default=False, action="store_true", help="Prints a semi-colon separated list of dependencies to stdout and exits.")
parser.add_argument('--print-cmake-outputs', default=False, action="store_true", help="Prints a semi-colon separated list of outputs to stdout and exits.")
parser.add_argument('--output-dir', default=None, type=str, help='Directory where to output generate files.')
args = parser.parse_args()
renders = generator.get_file_renders(args);
# Output a list of all dependencies for CMake or the tarball for GN/Ninja.
if args.depfile != None or args.print_cmake_dependencies:
dependencies = generator.get_dependencies(args)
dependencies += [args.template_dir + os.path.sep + render.template for render in renders]
dependencies += _compute_python_dependencies(args.root_dir)
if args.depfile != None:
with open(args.depfile, 'w') as f:
f.write(args.output_json_tarball + ": " + " ".join(dependencies))
if args.print_cmake_dependencies:
sys.stdout.write(";".join(dependencies))
return 0
# The caller wants to assert that the outputs are what it expects.
# Load the file and compare with our renders.
if args.expected_outputs_file != None:
@@ -235,6 +252,11 @@ def run_generator(generator):
print("Actual output:\n " + repr(sorted(actual)))
return 1
# Print the list of all the outputs for cmake.
if args.print_cmake_outputs:
sys.stdout.write(";".join([os.path.join(args.output_dir, render.output) for render in renders]))
return 0
outputs = _do_renders(renders, args.template_dir)
# The caller wants to assert that the outputs are only in specific directories.
@@ -257,7 +279,7 @@ def run_generator(generator):
print(' "{}"'.format(directory))
return 1
# Output the tarball and its depfile
# Output the JSON tarball
if args.output_json_tarball != None:
json_root = {}
for output in outputs:
@@ -266,11 +288,14 @@ def run_generator(generator):
with open(args.output_json_tarball, 'w') as f:
f.write(json.dumps(json_root))
# Output a list of all dependencies for the tarball for Ninja.
if args.depfile != None:
dependencies = generator.get_dependencies(args)
dependencies += [args.template_dir + os.path.sep + render.template for render in renders]
dependencies += _compute_python_dependencies(args.root_dir)
# Output the files directly.
if args.output_dir != None:
for output in outputs:
output_path = os.path.join(args.output_dir, output.name)
with open(args.depfile, 'w') as f:
f.write(args.output_json_tarball + ": " + " ".join(dependencies))
directory = os.path.dirname(output_path)
if not os.path.exists(directory):
os.makedirs(directory)
with open(output_path, 'w') as outfile:
outfile.write(output.content)