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mdbx-cmake: fixes for old C/C++ compilers and/or CMake.

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This commit is contained in:
Leonid Yuriev
2020-06-26 02:57:46 +03:00
parent 505ee31635
commit 95199c754a
3 changed files with 97 additions and 30 deletions
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32
test/CMakeLists.txt
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@@ -27,9 +27,37 @@ add_executable(mdbx_test
nested.cc
)
list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_20 HAS_CXX20)
list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_17 HAS_CXX17)
list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_14 HAS_CXX14)
list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_11 HAS_CXX11)
if(NOT DEFINED MDBX_CXX_STANDARD)
if(DEFINED CMAKE_CXX_STANDARD)
set(MDBX_CXX_STANDARD ${CMAKE_CXX_STANDARD})
elseif(NOT HAS_CXX20 LESS 0)
set(MDBX_CXX_STANDARD 20)
elseif(NOT HAS_CXX17 LESS 0)
set(MDBX_CXX_STANDARD 17)
elseif(NOT HAS_CXX14 LESS 0)
set(MDBX_CXX_STANDARD 14)
elseif(NOT HAS_CXX11 LESS 0)
set(MDBX_CXX_STANDARD 11)
endif()
endif()
if(MDBX_CXX_STANDARD)
message(STATUS "Use C++${MDBX_CXX_STANDARD} for libmdbx")
if(NOT SUBPROJECT OR NOT DEFINED CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD ${MDBX_CXX_STANDARD})
endif()
endif()
if(MDBX_CXX_STANDARD)
set_target_properties(mdbx_test PROPERTIES
CXX_STANDARD ${MDBX_CXX_STANDARD} CXX_STANDARD_REQUIRED ON)
endif()
set_target_properties(mdbx_test PROPERTIES
INTERPROCEDURAL_OPTIMIZATION $<BOOL:${INTERPROCEDURAL_OPTIMIZATION}>
CXX_STANDARD 17 CXX_STANDARD_REQUIRED ON)
INTERPROCEDURAL_OPTIMIZATION $<BOOL:${INTERPROCEDURAL_OPTIMIZATION}>)
target_setup_options(mdbx_test)
target_link_libraries(mdbx_test ${TOOL_MDBX_LIB} ${LIB_MATH} ${CMAKE_THREAD_LIBS_INIT})