Run header guards check at the start of the CI script

.travis.yml

@@ -11,6 +11,7 @@ addons:
     - libgtest-dev
     - libsdl2-dev
 script:
+- python scripts/check_header_guards.py
 - if [ "$TRAVIS_OS_NAME" = "osx" ]; then CMAKE_EXTRA_ARGS="-DDOWNLOAD_GTEST=ON"; fi
 - if [ "$TRAVIS_OS_NAME" != "osx" ]; then CMAKE_EXTRA_ARGS="-DGTEST_LIBRARY=../gtest_build/libgtest.a -DGTEST_MAIN_LIBRARY=../gtest_build/libgtest_main.a"; mkdir gtest_build; cmake -E chdir gtest_build cmake /usr/src/gtest; cmake --build gtest_build; fi
 - mkdir build; cd build
@@ -23,7 +24,6 @@ script:
 - make run_tests
 - cd ..
 - build/DDNet-Server shutdown
-- python scripts/check_header_guards.py
 env:
   global:
   - CFLAGS="-Wdeclaration-after-statement -Werror"

appveyor.yml

@@ -4,6 +4,8 @@ before_build:
 - cmd: |
     git submodule update --init
 
+    scripts\check_header_guards.py
+
     md build32 & cd build32
     cmake -Werror=dev -G "Visual Studio 14 2015" ..
     cd ..
@@ -29,7 +31,6 @@ test_script:
       cd build64
       Release\DDNet-Server shutdown
       cd ..
-  - cmd: scripts\check_header_guards.py
 
 after_build:
   - cmd: cmake --build build32 --config Release --target package

circle.yml

@@ -13,6 +13,8 @@ checkout:
 ## Customize test commands
 compile:
   override:
+    - python scripts/check_header_guards.py
+
     - |
         mkdir build
         cd build
@@ -26,8 +28,6 @@ test:
         make run_tests
         ./DDNet-Server shutdown
 
-    - python scripts/check_header_guards.py
-
     - |
         cd build
         make package