Use CC variable while build

Author: ClausKlein

.gitlab-ci.yml

@@ -46,9 +46,9 @@ stages:
   script:
     - *setup_cpp
     - echo -e "\e[0Ksection_start:`date +%s`:my_build[collapsed=true]\r\e[0KHeader of the build collapsible section"
-    - cmake --workflow --preset clang-debug
+    - cmake --workflow --preset $CC-debug
     - gcovr .
-    - cmake --workflow --preset clang-release
+    - cmake --workflow --preset $CC-release
     - echo -e "\e[0Ksection_end:`date +%s`:my_build\r\e[0K"
 
 default:               # Add a default section to define the `image` keyword's default value
@@ -60,6 +60,7 @@ test_linux_llvm:
   stage: build
   variables:
     compiler: llvm
+    CC: clang
   extends:
     - .standard-rules  # Reuse the configuration in `.standard-rules` here
     - .build
@@ -68,6 +69,7 @@ test_linux_gcc:
   stage: build
   variables:
     compiler: gcc
+    CC: gcc
   extends:
     - .standard-rules  # Reuse the configuration in `.standard-rules` here
     - .build