Conan build packages on CI (#4590) (#4594)

* Build Conan package on Travis CI (#4590)

- Added multi package support on Linux, running on Travis CI
- Only upload when branch is a tag and named "vX.Y.Z"
- Replace Conan injection by Conan wrapper
- Removed os_build os_arch -- Conan 1.0.1 hotfix

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

* Build Conan package on OSX (#4590)

- Added jobs to build Flatbuffers on OSX running on Travis

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

* Build Conan package on Windows (#4590)

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

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

* Reduce Conan CI support to simple scripts (#4590)

- Removed msvc 10 x86_64 workaround
- Updated conan remote address
- Added Bincrafters' package tools

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

* Add fPIC option on Conan recipe (#4590)

- Add fPIC as optional. It works on Linux and OSX
- Update recipe metadata: author, homepage, license
- Checking for flatc and flathash on Conan package

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

* Build Conan package on CI (#4590)

- Add rule to run conan job only for tags
- Run Conan on Linux, OSX and Windows
- Update package tool to new interface

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

* Update Conan username (#4590)

- Use google as default username

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

* Update OSX version on CI (#4590)

- Use latest OSX 9.3 version to build Conan package

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

.travis.yml

@@ -2,6 +2,29 @@ env:
   global:
     # Set at the root level as this is ignored when set under matrix.env.
     - GCC_VERSION="4.9"
+
+conan-linux: &conan-linux
+  os: linux
+  sudo: required
+  language: python
+  python: "3.6"
+  services:
+    - docker
+  install:
+    - ./conan/travis/install.sh
+  script:
+    - ./conan/travis/build.sh
+  if: tag IS present
+
+conan-osx: &conan-osx
+  os: osx
+  language: generic
+  install:
+    - ./conan/travis/install.sh
+  script:
+    - ./conan/travis/build.sh
+  if: tag IS present
+
 matrix:
   include:
     #- language: python
@@ -50,7 +73,7 @@ matrix:
 
       script:
       - cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE . && make && make test
-      - if [ "$CONAN" == "true" ] && [ "$TRAVIS_OS_NAME" == "linux" ]; then sudo pip install conan && conan create . flatbuffers/testing -s build_type=$BUILD_TYPE; fi
+      - if [ "$CONAN" == "true" ] && [ "$TRAVIS_OS_NAME" == "linux" ]; then sudo pip install conan && conan create . google/testing -s build_type=$BUILD_TYPE -tf conan/test_package; fi
 
     - language: cpp
       os: osx
@@ -62,6 +85,37 @@ matrix:
       script:
       - cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE . && make && make test
 
+    - <<: *conan-linux
+      env: CONAN_GCC_VERSIONS=4.9 CONAN_DOCKER_IMAGE=lasote/conangcc49
+    - <<: *conan-linux
+      env: CONAN_GCC_VERSIONS=5 CONAN_DOCKER_IMAGE=lasote/conangcc5
+    - <<: *conan-linux
+      env: CONAN_GCC_VERSIONS=6 CONAN_DOCKER_IMAGE=lasote/conangcc6
+    - <<: *conan-linux
+      env: CONAN_GCC_VERSIONS=7 CONAN_DOCKER_IMAGE=lasote/conangcc7
+    - <<: *conan-linux
+      env: CONAN_GCC_VERSIONS=8 CONAN_DOCKER_IMAGE=lasote/conangcc8
+    - <<: *conan-linux
+      env: CONAN_CLANG_VERSIONS=3.9 CONAN_DOCKER_IMAGE=lasote/conanclang39
+    - <<: *conan-linux
+      env: CONAN_CLANG_VERSIONS=4.0 CONAN_DOCKER_IMAGE=lasote/conanclang40
+    - <<: *conan-linux
+      env: CONAN_CLANG_VERSIONS=5.0 CONAN_DOCKER_IMAGE=lasote/conanclang50
+    - <<: *conan-linux
+      env: CONAN_CLANG_VERSIONS=6.0 CONAN_DOCKER_IMAGE=lasote/conanclang60
+    - <<: *conan-osx
+      osx_image: xcode7.3
+      env: CONAN_APPLE_CLANG_VERSIONS=7.3
+    - <<: *conan-osx
+      osx_image: xcode8.3
+      env: CONAN_APPLE_CLANG_VERSIONS=8.1
+    - <<: *conan-osx
+      osx_image: xcode9
+      env: CONAN_APPLE_CLANG_VERSIONS=9.0
+    - <<: *conan-osx
+      osx_image: xcode9.3
+      env: CONAN_APPLE_CLANG_VERSIONS=9.1
+
     #- language: android
     #  sudo: true
     #  android: