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      1 #!/usr/bin/env python
      2 # -*- coding: utf-8 -*-
      3 
      4 """Conan recipe package for Google FlatBuffers
      5 """
      6 import os
      7 import shutil
      8 from conans import ConanFile, CMake, tools
      9 
     10 
     11 class FlatbuffersConan(ConanFile):
     12     name = "flatbuffers"
     13     license = "Apache-2.0"
     14     url = "https://github.com/google/flatbuffers"
     15     homepage = "http://google.github.io/flatbuffers/"
     16     author = "Wouter van Oortmerssen"
     17     topics = ("conan", "flatbuffers", "serialization", "rpc", "json-parser")
     18     description = "Memory Efficient Serialization Library"
     19     settings = "os", "compiler", "build_type", "arch"
     20     options = {"shared": [True, False], "fPIC": [True, False]}
     21     default_options = {"shared": False, "fPIC": True}
     22     generators = "cmake"
     23     exports = "LICENSE.txt"
     24     exports_sources = ["CMake/*", "include/*", "src/*", "grpc/*", "CMakeLists.txt", "conan/CMakeLists.txt"]
     25 
     26     def source(self):
     27         """Wrap the original CMake file to call conan_basic_setup
     28         """
     29         shutil.move("CMakeLists.txt", "CMakeListsOriginal.txt")
     30         shutil.move(os.path.join("conan", "CMakeLists.txt"), "CMakeLists.txt")
     31 
     32     def config_options(self):
     33         """Remove fPIC option on Windows platform
     34         """
     35         if self.settings.os == "Windows":
     36             self.options.remove("fPIC")
     37 
     38     def configure_cmake(self):
     39         """Create CMake instance and execute configure step
     40         """
     41         cmake = CMake(self)
     42         cmake.definitions["FLATBUFFERS_BUILD_TESTS"] = False
     43         cmake.definitions["FLATBUFFERS_BUILD_SHAREDLIB"] = self.options.shared
     44         cmake.definitions["FLATBUFFERS_BUILD_FLATLIB"] = not self.options.shared
     45         cmake.configure()
     46         return cmake
     47 
     48     def build(self):
     49         """Configure, build and install FlatBuffers using CMake.
     50         """
     51         cmake = self.configure_cmake()
     52         cmake.build()
     53 
     54     def package(self):
     55         """Copy Flatbuffers' artifacts to package folder
     56         """
     57         cmake = self.configure_cmake()
     58         cmake.install()
     59         self.copy(pattern="LICENSE.txt", dst="licenses")
     60         self.copy(pattern="FindFlatBuffers.cmake", dst=os.path.join("lib", "cmake", "flatbuffers"), src="CMake")
     61         self.copy(pattern="flathash*", dst="bin", src="bin")
     62         self.copy(pattern="flatc*", dst="bin", src="bin")
     63         if self.settings.os == "Windows" and self.options.shared:
     64             if self.settings.compiler == "Visual Studio":
     65                 shutil.move(os.path.join(self.package_folder, "lib", "%s.dll" % self.name),
     66                             os.path.join(self.package_folder, "bin", "%s.dll" % self.name))
     67             elif self.settings.compiler == "gcc":
     68                 shutil.move(os.path.join(self.package_folder, "lib", "lib%s.dll" % self.name),
     69                             os.path.join(self.package_folder, "bin", "lib%s.dll" % self.name))
     70 
     71     def package_info(self):
     72         """Collect built libraries names and solve flatc path.
     73         """
     74         self.cpp_info.libs = tools.collect_libs(self)
     75         self.user_info.flatc = os.path.join(self.package_folder, "bin", "flatc")
     76