Update .travis.yml (#23)

* Update .travis.yml

Author: FabianTerhorst

.travis.yml

@@ -14,23 +14,18 @@ matrix:
         packages:
         - gcc-8
         - g++-8
-    before_script: cd runtime
-    script:
-    - CXX=/usr/bin/g++-8
-    - CC=/usr/bin/gcc-8
-    - cmake -DCMAKE_BUILD_TYPE=Release -B"cmake-build-linux" .
-    - make
-    - cd src
-    - ls -l
   - os: windows
-    before_script: cd runtime
-    script:
-    - mkdir build && cd build
-    - cmake -G"Visual Studio 15 2017 Win64" -DCMAKE_BUILD_TYPE=Release -T host=x64 ..
-    - cmake --build . --config Release
-    - ls -l
-    - cd Release
-    - ls -l
+before_script: cd runtime
+script:
+- mkdir build && cd build
+- if [ "$TRAVIS_OS_NAME" = "linux" ]; then if ! [ -x "$(command /usr/bin/g++-8 -v)" ]; then sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test;sudo apt-get update;sudo apt-get -y install gcc-8 g++-8 ; fi ; fi
+- if [ "$TRAVIS_OS_NAME" = "linux" ]; then CXX=/usr/bin/g++-8 ; fi
+- if [ "$TRAVIS_OS_NAME" = "linux" ]; then CC=/usr/bin/gcc-8 ; fi
+- if [ "$TRAVIS_OS_NAME" = "linux" ]; then cmake -DCMAKE_BUILD_TYPE=Release .. ; fi
+- if [ "$TRAVIS_OS_NAME" = "windows" ]; then cmake -G"Visual Studio 15 2017 Win64" -DCMAKE_BUILD_TYPE=Release -T host=x64 .. ; fi
+- cmake --build . --config Release
+- cd src
+- if [ "$TRAVIS_OS_NAME" = "windows" ]; then cd Release ; fi
 deploy:
   - provider: releases
     skip_cleanup: true

runtime/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.12.3)
+cmake_minimum_required(VERSION 3.9.2)
 project(altv-clr-host LANGUAGES CXX)
 
 include(GNUInstallDirs)

runtime/src/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 3.12.3)
+cmake_minimum_required (VERSION 3.9.2)
 
 set(TARGET_NAME core_clr_host)