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# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# This file is meant to be included into a target to provide a rule
# to generate jni bindings for Java-files in a consistent manner.
#
# To use this, create a gyp target with the following form:
# {
# 'target_name': 'base_jni_headers',
# 'type': 'none',
# 'sources': [
# 'android/java/src/org/chromium/base/BuildInfo.java',
# ...
# ...
# 'android/java/src/org/chromium/base/SystemMessageHandler.java',
# ],
# 'variables': {
# 'jni_gen_package': 'base',
# },
# 'includes': [ '../build/jni_generator.gypi' ],
# },
#
# The generated file name pattern can be seen on the "outputs" section below.
# (note that RULE_INPUT_ROOT is the basename for the java file).
#
# See base/android/jni_generator/jni_generator.py for more info about the
# format of generating JNI bindings.
{
'variables': {
'jni_generator': '<(DEPTH)/base/android/jni_generator/jni_generator.py',
'jni_generator_jarjar_file%': '',
'jni_generator_ptr_type%': 'long',
# A comma separated string of include files.
'jni_generator_includes%': (
'base/android/jni_generator/jni_generator_helper.h'
),
'native_exports%': '--native_exports_optional',
},
'rules': [
{
'rule_name': 'generate_jni_headers',
'extension': 'java',
'inputs': [
'<(jni_generator)',
],
'outputs': [
'<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_package)/jni/<(RULE_INPUT_ROOT)_jni.h',
],
'action': [
'<(jni_generator)',
'--input_file',
'<(RULE_INPUT_PATH)',
'--output_dir',
'<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_package)/jni',
'--includes',
'<(jni_generator_includes)',
'--optimize_generation',
'<(optimize_jni_generation)',
'--jarjar',
'<(jni_generator_jarjar_file)',
'--ptr_type',
'<(jni_generator_ptr_type)',
'<(native_exports)',
],
'message': 'Generating JNI bindings from <(RULE_INPUT_PATH)',
'process_outputs_as_sources': 1,
'conditions': [
['jni_generator_jarjar_file != ""', {
'inputs': [
'<(jni_generator_jarjar_file)',
],
}]
],
},
],
'direct_dependent_settings': {
'include_dirs': [
'<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_package)',
],
},
# This target exports a hard dependency because it generates header
# files.
'hard_dependency': 1,
}
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