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mdbx: add workaround for old MSVC and/or old Windows SDK.
Resolves https://github.com/erthink/libmdbx/issues/265. Change-Id: I295b5d9d5ecd670ccf258791bf87379a3ca17f21
This commit is contained in:
Leonid Yuriev
parent
1c409a38d3
commit
79e1cc3bbc
@ -365,7 +365,11 @@ endif()
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if(NOT DEFINED MDBX_C_STANDARD)
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# MSVC >= 19.28 (Microsoft Visual Studio 16.8) is mad!
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# It unable process Windows SDK headers in the C11 mode!
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if(HAS_C11 LESS 0 OR (MSVC AND MSVC_VERSION GREATER 1927))
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if(MSVC AND MSVC_VERSION GREATER 1927 AND NOT MSVC_VERSION GREATER 1929)
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set(MDBX_C_STANDARD 99)
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set(C_FALLBACK_11 OFF)
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set(C_FALLBACK_GNU11 OFF)
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elseif(HAS_C11 LESS 0 AND NOT C_FALLBACK_GNU11 AND NOT C_FALLBACK_11)
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set(MDBX_C_STANDARD 99)
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else()
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set(MDBX_C_STANDARD 11)
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@ -573,8 +577,10 @@ macro(target_setup_options TARGET)
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set_target_properties(${TARGET} PROPERTIES
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INTERPROCEDURAL_OPTIMIZATION $<BOOL:${INTERPROCEDURAL_OPTIMIZATION}>)
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endif()
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set_target_properties(${TARGET} PROPERTIES
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C_STANDARD ${MDBX_C_STANDARD} C_STANDARD_REQUIRED ON)
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if(NOT C_FALLBACK_GNU11 AND NOT C_FALLBACK_11)
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set_target_properties(${TARGET} PROPERTIES
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C_STANDARD ${MDBX_C_STANDARD} C_STANDARD_REQUIRED ON)
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endif()
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if(MDBX_BUILD_CXX)
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set_target_properties(${TARGET} PROPERTIES
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CXX_STANDARD ${MDBX_CXX_STANDARD} CXX_STANDARD_REQUIRED ON)
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@ -685,7 +691,7 @@ if(MDBX_BUILD_TOOLS)
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foreach(TOOL mdbx_chk mdbx_copy mdbx_stat mdbx_dump mdbx_load mdbx_drop)
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add_executable(${TOOL} mdbx.h ${MDBX_SOURCE_DIR}/${TOOL}.c ${WINGETOPT_SRC})
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if(MDBX_C_STANDARD)
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if(NOT C_FALLBACK_GNU11 AND NOT C_FALLBACK_11)
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set_target_properties(${TOOL} PROPERTIES
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C_STANDARD ${MDBX_C_STANDARD} C_STANDARD_REQUIRED ON)
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endif()
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@ -264,9 +264,24 @@ endif()
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if(CMAKE_CXX_COMPILER_LOADED)
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list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_11 HAS_CXX11)
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if(HAS_CXX11 LESS 0)
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check_compiler_flag("-std=gnu++11" CXX_FALLBACK_STDGNU11)
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if(NOT CXX_FALLBACK_STDGNU11)
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check_compiler_flag("-std=c++11" CXX_FALLBACK_STD11)
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check_cxx_compiler_flag("-std=gnu++11" CXX_FALLBACK_GNU11)
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if(NOT CXX_FALLBACK_GNU11)
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check_cxx_compiler_flag("-std=c++11" CXX_FALLBACK_11)
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endif()
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endif()
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endif()
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# Crutch for mad C compilers and/or CMake to enabling C11
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if(CMAKE_C_COMPILER_LOADED)
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list(FIND CMAKE_C_COMPILE_FEATURES c_std_11 HAS_C11)
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if(HAS_C11 LESS 0)
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if (MSVC)
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check_c_compiler_flag("/std:c11" C_FALLBACK_11)
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else()
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check_c_compiler_flag("-std=gnu11" C_FALLBACK_GNU11)
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if(NOT C_FALLBACK_GNU11)
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check_c_compiler_flag("-std=c11" C_FALLBACK_11)
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endif()
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endif()
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endif()
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endif()
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@ -536,14 +551,24 @@ macro(setup_compile_flags)
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if(CMAKE_CXX_COMPILER_LOADED)
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set(CXX_FLAGS ${INITIAL_CMAKE_CXX_FLAGS})
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# Crutch for old C++ compilers and/or CMake to enabling C++11
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if(CXX_FALLBACK_STDGNU11)
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if(CXX_FALLBACK_GNU11)
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add_compile_flags("CXX" "-std=gnu++11")
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elseif(CXX_FALLBACK_STD11)
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elseif(CXX_FALLBACK_11)
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add_compile_flags("CXX" "-std=c++11")
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endif()
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endif()
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if(CMAKE_C_COMPILER_LOADED)
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set(C_FLAGS ${INITIAL_CMAKE_C_FLAGS})
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# Crutch for mad C compilers and/or CMake to enabling C11
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if(C_FALLBACK_GNU11)
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add_compile_flags("C" "-std=gnu11")
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elseif(C_FALLBACK_11)
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if(MSVC)
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add_compile_flags("C" "/std:c11")
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else()
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add_compile_flags("C" "-std=c11")
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endif()
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endif()
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endif()
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set(EXE_LINKER_FLAGS ${INITIAL_CMAKE_EXE_LINKER_FLAGS})
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set(SHARED_LINKER_FLAGS ${INITIAL_CMAKE_SHARED_LINKER_FLAGS})
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@ -674,19 +674,19 @@ typedef struct MDBX_lockinfo {
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/* Marker to distinguish uniqueness of DB/CLK. */
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MDBX_atomic_uint64_t mti_bait_uniqueness;
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alignas(MDBX_CACHELINE_SIZE) /* cacheline ---------------------------------*/
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MDBX_ALIGNAS(MDBX_CACHELINE_SIZE) /* cacheline ----------------------------*/
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#if MDBX_ENABLE_PGOP_STAT
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/* Statistics of costly ops of all (running, completed and aborted)
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* transactions */
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MDBX_pgop_stat_t mti_pgop_stat;
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/* Statistics of costly ops of all (running, completed and aborted)
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* transactions */
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MDBX_pgop_stat_t mti_pgop_stat;
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#endif /* MDBX_ENABLE_PGOP_STAT*/
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alignas(MDBX_CACHELINE_SIZE) /* cacheline ---------------------------------*/
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MDBX_ALIGNAS(MDBX_CACHELINE_SIZE) /* cacheline ----------------------------*/
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/* Write transaction lock. */
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#if MDBX_LOCKING > 0
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mdbx_ipclock_t mti_wlock;
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mdbx_ipclock_t mti_wlock;
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#endif /* MDBX_LOCKING > 0 */
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atomic_txnid_t mti_oldest_reader;
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@ -708,11 +708,11 @@ typedef struct MDBX_lockinfo {
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/* Shared anchor for tracking readahead edge and enabled/disabled status. */
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pgno_t mti_readahead_anchor;
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alignas(MDBX_CACHELINE_SIZE) /* cacheline ---------------------------------*/
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MDBX_ALIGNAS(MDBX_CACHELINE_SIZE) /* cacheline ----------------------------*/
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/* Readeaders registration lock. */
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#if MDBX_LOCKING > 0
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mdbx_ipclock_t mti_rlock;
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mdbx_ipclock_t mti_rlock;
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#endif /* MDBX_LOCKING > 0 */
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/* The number of slots that have been used in the reader table.
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@ -723,8 +723,8 @@ typedef struct MDBX_lockinfo {
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#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
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(!defined(__cplusplus) && defined(_MSC_VER))
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alignas(MDBX_CACHELINE_SIZE) /* cacheline ---------------------------------*/
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MDBX_reader mti_readers[] /* dynamic size */;
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MDBX_ALIGNAS(MDBX_CACHELINE_SIZE) /* cacheline ----------------------------*/
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MDBX_reader mti_readers[] /* dynamic size */;
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#endif /* C99 */
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} MDBX_lockinfo;
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21
src/osal.h
21
src/osal.h
@ -56,18 +56,21 @@
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#include <string.h>
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#include <time.h>
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/* C11 stdalign.h */
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/* C11' alignas() */
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#if __has_include(<stdalign.h>)
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#include <stdalign.h>
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#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
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#define alignas(N) _Alignas(N)
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#elif defined(_MSC_VER)
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#define alignas(N) __declspec(align(N))
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#elif __has_attribute(__aligned__) || defined(__GNUC__)
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#define alignas(N) __attribute__((__aligned__(N)))
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#else
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#error "FIXME: Required _alignas() or equivalent."
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#endif
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#if defined(alignas) || defined(__cplusplus)
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#define MDBX_ALIGNAS(N) alignas(N)
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#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
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#define MDBX_ALIGNAS(N) _Alignas(N)
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#elif defined(_MSC_VER)
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#define MDBX_ALIGNAS(N) __declspec(align(N))
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#elif __has_attribute(__aligned__) || defined(__GNUC__)
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#define MDBX_ALIGNAS(N) __attribute__((__aligned__(N)))
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#else
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#error "FIXME: Required alignas() or equivalent."
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#endif /* MDBX_ALIGNAS */
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/*----------------------------------------------------------------------------*/
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/* Systems includes */
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