conanfile.py

   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")