sandboxed-api/oss-internship-2020/libpng/CMakeLists.txt

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# Copyright 2020 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
cmake_minimum_required(VERSION 3.12)
project(sandboxed_libpng CXX)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED True)
# Set this on the command-line
set(SAPI_ROOT "" CACHE PATH "Path to the Sandboxed API source tree")
# To obtain a full SAPI_ROOT check out its source separately:
# git clone https://github.com/google/sandboxed-api.git /path/to/sapi_root
# Then configure:
# mkdir -p build && cd build
# cmake .. -G Ninja -DSAPI_ROOT=/path/to/sapi_root
option(LIBPNG_SAPI_ENABLE_EXAMPLES "" OFF)
option(LIBPNG_SAPI_ENABLE_TESTS "" OFF)
set(SAPI_ENABLE_EXAMPLES ${LIBPNG_SAPI_ENABLE_EXAMPLES} CACHE BOOL "" FORCE)
set(SAPI_ENABLE_TESTS ${LIBPNG_SAPI_ENABLE_TESTS} CACHE BOOL "" FORCE)
set (CMAKE_FIND_LIBRARY_SUFFIXES .a $ {CMAKE_FIND_LIBRARY_SUFFIXES})
find_package(PNG REQUIRED)
list(GET PNG_INCLUDE_DIRS 0 PNG_INCLUDE_DIR)
add_subdirectory(wrapper)
add_subdirectory(
"${SAPI_ROOT}"
"${CMAKE_BINARY_DIR}/sandboxed-api-build"
# Omit this to have the full Sandboxed API in IDE
EXCLUDE_FROM_ALL
)
add_sapi_library(libpng_sapi
# List of functions that we want to include in the
# generated sandboxed API class
FUNCTIONS png_image_free
png_image_finish_read
png_image_write_to_file
png_image_begin_read_from_file
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png_get_rowbytes
png_get_bit_depth
png_get_color_type
png_get_image_width
png_get_image_height
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png_set_IHDR
png_set_sig_bytes
png_set_interlace_handling
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png_read_info
png_read_image_wrapper
png_read_update_info
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png_write_end
png_write_info
png_write_image_wrapper
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png_create_info_struct
png_create_read_struct_wrapper
png_create_write_struct_wrapper
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png_init_io_wrapper
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png_sig_cmp
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png_fread
png_fdopen
png_rewind
png_fclose
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png_setjmp
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INPUTS "${PNG_INCLUDE_DIR}/png.h"
wrapper/func.h
# Header files or .cc files that should be parsed
LIBRARY wrapper
# Library dependency from the add_library() above
LIBRARY_NAME LibPNG # Name prefix for the generated header. Will be
# suffixed with "Api" and "Sandbox" as needed.
NAMESPACE "" # Optional C++ namespace to wrap the generated code
)
target_include_directories(libpng_sapi INTERFACE
"${PROJECT_BINARY_DIR}" # To find the generated SAPI header
)
if (LIBPNG_SAPI_ENABLE_EXAMPLES)
add_subdirectory(examples)
endif()
if (LIBPNG_SAPI_ENABLE_TESTS)
add_subdirectory(tests)
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endif()