ci: add workaround for generated file during syntax check stage

When the syntax check is running, CMake has not executed yet.
Thus the file defaults.hpp does not exist yet. So the file is
created for the syntax check and deleted afterwards.

Author: striezel

.gitlab-ci.yml

@@ -15,7 +15,14 @@ build_gcc:
     # way when linting.
     - rm -rf ./libstriezel/archive ./libstriezel/common/graphics ./libstriezel/common/gui ./libstriezel/tests
   script:
+    # Syntax check of C++ files. The defaults.hpp file is generated by CMake
+    # during the build and does not exist yet, so we temporarily copy the
+    # incomplete template file to its place - and remove it after the syntax
+    # check is done.
+    - cp ./code/templates/defaults.prototype.hpp ./code/templates/defaults.hpp
     - ./ci/cpplint.sh
+    - unlink ./code/templates/default.hpp
+    # build and run tests
     - mkdir ./build
     - cd ./build
     - cmake ../
@@ -33,7 +40,14 @@ build_clang:
     - rm -rf ./libstriezel/archive ./libstriezel/common/graphics ./libstriezel/common/gui ./libstriezel/tests
     - export CC=clang && export CXX=clang++
   script:
+    # Syntax check of C++ files. The defaults.hpp file is generated by CMake
+    # during the build and does not exist yet, so we temporarily copy the
+    # incomplete template file to its place - and remove it after the syntax
+    # check is done.
+    - cp ./code/templates/defaults.prototype.hpp ./code/templates/defaults.hpp
     - ./ci/cpplint.sh
+    - unlink ./code/templates/default.hpp
+    # build and run tests
     - mkdir ./build
     - cd ./build
     - cmake ../