FPC alignment bug has been fixed:
https://gitlab.com/freepascal.org/fpc/source/-/commit/fb918994574fec69e44b9868e0147510473b5aae

diff '--color=auto' -urpN hedgewars-src-1.0.2.orig/CMakeLists.txt hedgewars-src-1.0.2/CMakeLists.txt
--- hedgewars-src-1.0.2.orig/CMakeLists.txt	2022-09-13 01:33:59.000000000 +0300
+++ hedgewars-src-1.0.2/CMakeLists.txt	2025-04-28 23:43:49.771904474 +0300
@@ -79,10 +79,6 @@ if(BUILD_ENGINE_JS)
     set(target_library_install_dir "lib" CACHE PATH "install dest for libs")
 endif()
 
-if("${CMAKE_SIZEOF_VOID_P}" EQUAL "4" AND UNIX AND NOT APPLE)
-    set(BUILD_ENGINE_C ON CACHE STRING "PAS2C force-enabled due to a freepascal 32 bit alignment bug" FORCE)
-endif()
-
 #system paths for finding required fonts (see share/hedgewars/Data/fonts)
 #subdirectories will NOT be searched.
 #all fonts that can't be found will be bundled with hedgewars
@@ -180,19 +176,6 @@ else()
 endif()
 
 
-#build engine without freepascal
-if(BUILD_ENGINE_C AND NOT BUILD_ENGINE_JS)
-    find_package(Clang REQUIRED)
-
-    if(${CLANG_VERSION} VERSION_LESS "3.0")
-        message(FATAL_ERROR "LLVM/Clang compiler required version is 3.0 but version ${CLANG_VERSION} was found!")
-    endif()
-
-    set(CMAKE_C_COMPILER ${CLANG_EXECUTABLE})
-    set(CMAKE_CXX_COMPILER ${CLANG_EXECUTABLE})
-endif()
-
-
 #server
 if(NOT NOSERVER)
     add_subdirectory(gameServer)