Script might well override a static map, but can't risk it not doing it, and preview completely failing. Better to just not try it for static maps. Some script cfg might help. Could also avoid unnnecessary preview regenerations even if the script was doing nothing at all.
# This file is used by EnableLanguage in cmGlobalGenerator to determine that
# the FreePascal can actually compile and link the most basic of programs.
# If not, a fatal error is set, cmake stops processing commands and will not
# generate any makefiles or projects.
if(NOT CMAKE_Pascal_COMPILER_WORKS)
message(STATUS "Check for working Pascal compiler: ${CMAKE_Pascal_COMPILER}")
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp/testpascalcompiler.pas
"program testPascalCompiler;
begin
end.
")
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp/CMakeLists.txt
"set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake_modules)
set(CMAKE_VERBOSE_MAKEFILE ON CACHE BOOL \"\" FORCE)
project(test Pascal)
add_executable(testpascalcompiler testpascalcompiler.pas)
")
# To avoid try_compile recurse error, use any binary directory other
# than ${CMAKE_BINARY_DIR}. The choice of
# bindir = ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp is
# especially advantageous since it makes an in-source build which
# means that no special variables need to be set to find files.
try_compile(CMAKE_Pascal_COMPILER_WORKS
${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp
${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp
test
OUTPUT_VARIABLE RESULT_OUTPUT
)
set(PASCAL_TEST_WAS_RUN 1)
endif(NOT CMAKE_Pascal_COMPILER_WORKS)
if(NOT CMAKE_Pascal_COMPILER_WORKS)
message(STATUS "Check for working Pascal compiler: ${CMAKE_Pascal_COMPILER} -- broken")
file(APPEND ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Determining if the Pascal compiler works failed with "
"the following output:\n${RESULT_OUTPUT}\n\n")
message(FATAL_ERROR "The Pascal builder \"${CMAKE_Pascal_COMPILER}\" "
"is not able to compile and link a simple test program.\nIt fails "
"with the following output:\n ${RESULT_OUTPUT}\n\n"
"CMake will not be able to correctly generate this project.")
else(NOT CMAKE_Pascal_COMPILER_WORKS)
if(PASCAL_TEST_WAS_RUN)
message(STATUS "Check for working Pascal compiler: ${CMAKE_Pascal_COMPILER} -- works")
file(APPEND ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Determining if the Pascal compiler works passed with "
"the following output:\n${RESULT_OUTPUT}\n\n")
endif(PASCAL_TEST_WAS_RUN)
set(CMAKE_Pascal_COMPILER_WORKS 1 CACHE INTERNAL "")
endif(NOT CMAKE_Pascal_COMPILER_WORKS)