| cmake_minimum_required(VERSION 3.1) |
| enable_language(C) |
| set(obj "${CMAKE_C_OUTPUT_EXTENSION}") |
| if(BORLAND) |
| set(pre -) |
| endif() |
| set(CMAKE_EXE_LINKER_FLAGS ${pre}BADFLAG${obj}) |
| |
| #----------------------------------------------------------------------------- |
| message("before try_compile with CMP0056 WARN-default") |
| try_compile(RESULT ${CMAKE_CURRENT_BINARY_DIR} |
| ${CMAKE_CURRENT_SOURCE_DIR}/src.c |
| OUTPUT_VARIABLE out |
| ) |
| string(REPLACE "\n" "\n " out " ${out}") |
| if(NOT RESULT) |
| message(FATAL_ERROR "try_compile failed but should have passed:\n${out}") |
| elseif("x${out}" MATCHES "BADFLAG") |
| message(FATAL_ERROR "try_compile output mentions BADFLAG:\n${out}") |
| else() |
| message(STATUS "try_compile with CMP0056 WARN-default worked as expected") |
| endif() |
| message("after try_compile with CMP0056 WARN-default") |
| |
| #----------------------------------------------------------------------------- |
| set(CMAKE_POLICY_WARNING_CMP0056 ON) |
| try_compile(RESULT ${CMAKE_CURRENT_BINARY_DIR} |
| ${CMAKE_CURRENT_SOURCE_DIR}/src.c |
| OUTPUT_VARIABLE out |
| ) |
| string(REPLACE "\n" "\n " out " ${out}") |
| if(NOT RESULT) |
| message(FATAL_ERROR "try_compile failed but should have passed:\n${out}") |
| elseif("x${out}" MATCHES "BADFLAG") |
| message(FATAL_ERROR "try_compile output mentions BADFLAG:\n${out}") |
| else() |
| message(STATUS "try_compile with CMP0056 WARN-enabled worked as expected") |
| endif() |
| |
| #----------------------------------------------------------------------------- |
| cmake_policy(SET CMP0056 OLD) |
| try_compile(RESULT ${CMAKE_CURRENT_BINARY_DIR} |
| ${CMAKE_CURRENT_SOURCE_DIR}/src.c |
| OUTPUT_VARIABLE out |
| ) |
| string(REPLACE "\n" "\n " out " ${out}") |
| if(NOT RESULT) |
| message(FATAL_ERROR "try_compile failed but should have passed:\n${out}") |
| elseif("x${out}" MATCHES "BADFLAG") |
| message(FATAL_ERROR "try_compile output mentions BADFLAG:\n${out}") |
| else() |
| message(STATUS "try_compile with CMP0056 OLD worked as expected") |
| endif() |
| |
| #----------------------------------------------------------------------------- |
| cmake_policy(SET CMP0056 NEW) |
| try_compile(RESULT ${CMAKE_CURRENT_BINARY_DIR} |
| ${CMAKE_CURRENT_SOURCE_DIR}/src.c |
| OUTPUT_VARIABLE out |
| ) |
| string(REPLACE "\n" "\n " out " ${out}") |
| if(RESULT) |
| message(FATAL_ERROR "try_compile passed but should have failed:\n${out}") |
| elseif(NOT "x${out}" MATCHES "BADFLAG") |
| message(FATAL_ERROR "try_compile did not fail with BADFLAG:\n${out}") |
| else() |
| message(STATUS "try_compile with CMP0056 NEW worked as expected") |
| endif() |