cmake: detect linker id, and assume MSVC does not support version scripts

cmake/macros.cmake

@@ -82,19 +82,42 @@ if(APPLE)
   enable_language(OBJC)
 endif()
 
+function(SDL_detect_linker)
+  if(CMAKE_VERSION VERSION_LESS 3.29)
+    if(NOT DEFINED SDL_CMAKE_C_COMPILER_LINKER_ID)
+      execute_process(COMMAND ${CMAKE_LINKER} -v OUTPUT_VARIABLE LINKER_OUTPUT ERROR_VARIABLE LINKER_OUTPUT)
+      string(REGEX REPLACE "[\r\n]" " " LINKER_OUTPUT "${LINKER_OUTPUT}")
+      if(LINKER_OUTPUT MATCHES ".*Microsoft.*")
+        set(linker MSVC)
+      else()
+        set(linker GNUlike)
+      endif()
+      message(STATUS "Linker identification: ${linker}")
+      set(SDL_CMAKE_C_COMPILER_LINKER_ID "${linker}" CACHE STRING "Linker identification")
+      mark_as_advanced(SDL_CMAKE_C_COMPILER_LINKER_ID)
+    endif()
+    set(CMAKE_C_COMPILER_LINKER_ID "${SDL_CMAKE_C_COMPILER_LINKER_ID}")
+  endif()
+endfunction()
+
 function(check_linker_supports_version_file VAR)
-  cmake_push_check_state()
-  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/dummy.sym" "n_0 {\n global:\n  func;\n local: *;\n};\n")
-  list(APPEND CMAKE_REQUIRED_LINK_OPTIONS "-Wl,--version-script=${CMAKE_CURRENT_BINARY_DIR}/dummy.sym")
-  check_c_source_compiles("int func(void) {return 0;} int main(int argc,char*argv[]){(void)argc;(void)argv;return func();}" LINKER_SUPPORTS_VERSION_SCRIPT FAIL_REGEX "(unsupported|syntax error|unrecognized option)")
-  cmake_pop_check_state()
+  SDL_detect_linker()
+  if(CMAKE_C_COMPILER_LINKER_ID MATCHES "^(MSVC)$")
+    set(LINKER_SUPPORTS_VERSION_SCRIPT FALSE)
+  else()
+    cmake_push_check_state(RESET)
+    file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/dummy.sym" "n_0 {\n global:\n  func;\n local: *;\n};\n")
+    list(APPEND CMAKE_REQUIRED_LINK_OPTIONS "-Wl,--version-script=${CMAKE_CURRENT_BINARY_DIR}/dummy.sym")
+    check_c_source_compiles("int func(void) {return 0;} int main(int argc,char*argv[]){(void)argc;(void)argv;return func();}" LINKER_SUPPORTS_VERSION_SCRIPT FAIL_REGEX "(unsupported|syntax error|unrecognized option)")
+    cmake_pop_check_state()
+  endif()
   set(${VAR} "${LINKER_SUPPORTS_VERSION_SCRIPT}" PARENT_SCOPE)
 endfunction()
 
 if(CMAKE_VERSION VERSION_LESS 3.18)
   function(check_linker_flag LANG FLAG VAR)
-    cmake_push_check_state()
-    list(APPEND CMAKE_REQUIRED_LINK_OPTIONS ${FLAG} )
+    cmake_push_check_state(RESET)
+    list(APPEND CMAKE_REQUIRED_LINK_OPTIONS ${FLAG})
     if(LANG STREQUAL "C")
       include(CheckCSourceCompiles)
       check_c_source_compiles("int main(int argc,char*argv[]){(void)argc;(void)argv;return 0;}" ${VAR} FAIL_REGEX "(unsupported|syntax error)")