How to force that CMAKE_TOOLCHAIN_FILE is an absolute file path?

Code
3

On CI it was a relative path, no idea why?

I am using CMake v4.3.3 both on CI and local.

But this changes helps:

diff --git a/CMakePresets.json b/CMakePresets.json
index b8ca3cc..085ddc9 100644
--- a/CMakePresets.json
+++ b/CMakePresets.json
@@ -16,7 +16,7 @@
         "CMAKE_EXPORT_COMPILE_COMMANDS": true,
         "CMAKE_INSTALL_MESSAGE": "LAZY",
         "CMAKE_SKIP_TEST_ALL_DEPENDENCY": false,
-        "CMAKE_PROJECT_TOP_LEVEL_INCLUDES": "infra/cmake/use-fetch-content.cmake"
+        "CMAKE_PROJECT_TOP_LEVEL_INCLUDES": "${sourceDir}/infra/cmake/use-fetch-content.cmake"
       }
     },
     {
@@ -53,7 +53,7 @@
         "_debug-base"
       ],
       "cacheVariables": {
-        "CMAKE_TOOLCHAIN_FILE": "infra/cmake/gnu-toolchain.cmake"
+        "CMAKE_TOOLCHAIN_FILE": "${sourceDir}/infra/cmake/gnu-toolchain.cmake"
       }
     },
     {