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cmake_policy(VERSION 3.1)
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enable_language(C)
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set(obj "${CMAKE_C_OUTPUT_EXTENSION}")
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if(BORLAND)
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set(pre -)
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endif()
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set(CMAKE_EXE_LINKER_FLAGS ${pre}BADFLAG${obj})
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|
#-----------------------------------------------------------------------------
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|
|
message("before try_compile with CMP0056 WARN-default")
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|
|
try_compile(RESULT ${CMAKE_CURRENT_BINARY_DIR}
|
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|
|
${CMAKE_CURRENT_SOURCE_DIR}/src.c
|
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|
|
|
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()
|
