Build Conan package on Windows (google#4590)

- Added support necessary to build Flatbuffers on Windows (conan)
- Added Appveyor jobs to build Conan package

Signed-off-by: Uilian Ries <uilianries@gmail.com>

appveyor.yml

@@ -1,83 +1,101 @@
-branches:
-  only:
-    - master
+-
+  os: Visual Studio 2015
 
-os: Visual Studio 2015
+  environment:
 
-environment:
+    global:
+      # Workaround for https://github.com/conda/conda-build/issues/636
+      PYTHONIOENCODING: UTF-8
+      CONDA_INSTALL_LOCN: "C:\\Miniconda35-x64"
 
-  global:
-    # Workaround for https://github.com/conda/conda-build/issues/636
-    PYTHONIOENCODING: UTF-8
-    CONDA_INSTALL_LOCN: "C:\\Miniconda35-x64"
+    matrix:
+      - CMAKE_VS_VERSION: "10 2010"
+      - CMAKE_VS_VERSION: "14 2015"
 
-  matrix:
-    - CMAKE_VS_VERSION: "10 2010"
-    - CMAKE_VS_VERSION: "14 2015"
+  platform:
+    - x86
+    - x64
 
-platform:
-  - x86
-  - x64
+  configuration:
+    - Debug
+    - Release
 
-configuration:
-  - Debug
-  - Release
+  before_build:
+    - cmake -G"Visual Studio %CMAKE_VS_VERSION%"
+    # This cuts down on a lot of noise generated by xamarin warnings.
+    - del "C:\Program Files (x86)\MSBuild\14.0\Microsoft.Common.targets\ImportAfter\Xamarin.Common.targets"
 
-before_build:
-  - cmake -G"Visual Studio %CMAKE_VS_VERSION%"
-  # This cuts down on a lot of noise generated by xamarin warnings.
-  - del "C:\Program Files (x86)\MSBuild\14.0\Microsoft.Common.targets\ImportAfter\Xamarin.Common.targets"
+  build:
+    project: ALL_BUILD.vcxproj
+    verbosity: minimal
 
-build:
-  project: ALL_BUILD.vcxproj
-  verbosity: minimal
+  install:
+    - set PATH=%CONDA_INSTALL_LOCN%;%CONDA_INSTALL_LOCN%\scripts;%PATH%;
 
-install:
-  - set PATH=%CONDA_INSTALL_LOCN%;%CONDA_INSTALL_LOCN%\scripts;%PATH%;
+  test_script:
+    - "cd tests"
+    - rem "Building all code"
+    - generate_code.bat -b %CONFIGURATION%
+    - 7z a GeneratedMyGameCode.zip MyGame\
+    - rem "---------------- C++ -----------------"
+    - "cd .."
+    - "%CONFIGURATION%\\flattests.exe"
+    - "cd tests"
+    - rem "---------------- Java -----------------"
+    - "java -version"
+    - "JavaTest.bat"
+    - rem "---------------- JS -----------------"
+    - "node --version"
+    - "..\\%CONFIGURATION%\\flatc -b -I include_test monster_test.fbs unicode_test.json"
+    - "node JavaScriptTest ./monster_test_generated"
+    - rem "-------------- Python ---------------"
+    - where python
+    - python --version
+    - where pip
+    - pip --version
+    - where conda
+    - conda --version
+    - rem "installing flatbuffers python library"
+    - pip install ../python
+    - rem "testing without installing Numpy"
+    - python py_test.py 0 0 0
+    - rem "testing after installing Numpy - disabled"
+    # FIXME: This has a LOT of unnecessary dependencies and makes the tests fail
+    # with timeouts.
+    # - conda install --yes numpy
+    # - python py_test.py 0 0 0
+    - rem "---------------- C# -----------------"
+    # Have to compile this here rather than in "build" above because AppVeyor only
+    # supports building one project??
+    - "cd FlatBuffers.Test"
+    - "msbuild.exe /property:Configuration=Release;OutputPath=tempcs /verbosity:minimal FlatBuffers.Test.csproj"
+    - "tempcs\\FlatBuffers.Test.exe"
+    # TODO: add more languages.
+    - "cd ..\\.."
 
-test_script:
-  - "cd tests"
-  - rem "Building all code"
-  - generate_code.bat -b %CONFIGURATION%
-  - 7z a GeneratedMyGameCode.zip MyGame\
-  - rem "---------------- C++ -----------------"
-  - "cd .."
-  - "%CONFIGURATION%\\flattests.exe"
-  - "cd tests"
-  - rem "---------------- Java -----------------"
-  - "java -version"
-  - "JavaTest.bat"
-  - rem "---------------- JS -----------------"
-  - "node --version"
-  - "..\\%CONFIGURATION%\\flatc -b -I include_test monster_test.fbs unicode_test.json"
-  - "node JavaScriptTest ./monster_test_generated"
-  - rem "-------------- Python ---------------"
-  - where python
-  - python --version
-  - where pip
-  - pip --version
-  - where conda
-  - conda --version
-  - rem "installing flatbuffers python library"
-  - pip install ../python
-  - rem "testing without installing Numpy"
-  - python py_test.py 0 0 0
-  - rem "testing after installing Numpy - disabled"
-  # FIXME: This has a LOT of unnecessary dependencies and makes the tests fail
-  # with timeouts.
-  # - conda install --yes numpy
-  # - python py_test.py 0 0 0
-  - rem "---------------- C# -----------------"
-  # Have to compile this here rather than in "build" above because AppVeyor only
-  # supports building one project??
-  - "cd FlatBuffers.Test"
-  - "msbuild.exe /property:Configuration=Release;OutputPath=tempcs /verbosity:minimal FlatBuffers.Test.csproj"
-  - "tempcs\\FlatBuffers.Test.exe"
-  # TODO: add more languages.
-  - "cd ..\\.."
+  artifacts:
+    - path: $(CONFIGURATION)\flatc.exe
+      name: flatc.exe
+    - path: tests\GeneratedMyGameCode.zip
+      name: GeneratedMyGameCode.zip
 
-artifacts:
-  - path: $(CONFIGURATION)\flatc.exe
-    name: flatc.exe
-  - path: tests\GeneratedMyGameCode.zip
-    name: GeneratedMyGameCode.zip
+-
+  environment:
+    PYTHON: "C:\\Python27"
+    PYTHON_VERSION: "2.7.8"
+    PYTHON_ARCH: "32"
+    matrix:
+      - MINGW_CONFIGURATIONS: "4.9@x86_64@seh@posix, 4.9@x86_64@sjlj@posix, 4.9@x86@sjlj@posix, 4.9@x86@dwarf2@posix, 6.3@x86_64@seh@posix, 7.1@x86_64@seh@posix"
+      - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+        CONAN_VISUAL_VERSIONS: 12
+      - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+        CONAN_VISUAL_VERSIONS: 14
+      - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+        CONAN_VISUAL_VERSIONS: 15
+  install:
+    - set PATH=%PATH%;%PYTHON%/Scripts/
+    - pip.exe install conan --upgrade
+    - pip.exe install conan_package_tools
+    - conan user
+  test_script:
+    - python build.py

conan/CMakeLists.txt

@@ -1,8 +1,12 @@
 cmake_minimum_required(VERSION 2.8)
 
-message("Conan FlatBuffers Wrapper")
+message(STATUS "Conan FlatBuffers Wrapper")
 
 include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
 conan_basic_setup()
 
+if (WIN32 AND MSVC AND FLATBUFFERS_BUILD_SHAREDLIB)
+    set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
+endif(WIN32 AND MSVC AND FLATBUFFERS_BUILD_SHAREDLIB)
+
 include(${CMAKE_SOURCE_DIR}/CMakeListsOriginal.txt)

conanfile.py

@@ -33,6 +33,7 @@ def build(self):
         cmake = CMake(self)
         cmake.definitions["FLATBUFFERS_BUILD_TESTS"] = False
         cmake.definitions["FLATBUFFERS_BUILD_SHAREDLIB"] = self.options.shared
+        cmake.definitions["FLATBUFFERS_BUILD_FLATLIB"] = not self.options.shared
         cmake.configure()
         cmake.build()
         cmake.install()
@@ -42,6 +43,10 @@ def package(self):
         """
         self.copy(pattern="LICENSE.txt", dst="licenses")
         self.copy(pattern="flathash*", dst="bin", src="bin")
+        if self.settings.os == "Windows" and self.settings.compiler == "Visual Studio" \
+           and self.options.shared:
+            shutil.move(os.path.join(self.package_folder, "lib", "%s.dll" % self.name),
+                        os.path.join(self.package_folder, "bin", "%s.dll" % self.name))
 
     def package_info(self):
         """Collect built libraries names and solve flatc path.