mdbx: auto-define _GNU_SOURCE under control of MDBX_DISABLE_GNU_SOURCE.

Change-Id: I314d88b86517e3c44ad35fe02d3a27cb987c6d60
This commit is contained in:
Leonid Yuriev 2019-10-06 14:59:53 +03:00
parent 3c82ed0323
commit 7d621f6f0a
7 changed files with 24 additions and 8 deletions

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@ -291,7 +291,11 @@ add_mdbx_option(MDBX_ALLOY_BUILD "Build MDBX library as single object file" ON)
add_mdbx_option(MDBX_TXN_CHECKOWNER "Checking transaction matches the calling thread inside libmdbx's API" ON) add_mdbx_option(MDBX_TXN_CHECKOWNER "Checking transaction matches the calling thread inside libmdbx's API" ON)
add_mdbx_option(MDBX_TXN_CHECKPID "Paranoid checking PID inside libmdbx's API" AUTO) add_mdbx_option(MDBX_TXN_CHECKPID "Paranoid checking PID inside libmdbx's API" AUTO)
mark_as_advanced(MDBX_TXN_CHECKPID) mark_as_advanced(MDBX_TXN_CHECKPID)
if(APPLE) if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
add_mdbx_option(MDBX_DISABLE_GNU_SOURCE "Don't use nonstandard GNU/Linux extension functions" OFF)
mark_as_advanced(MDBX_DISABLE_GNU_SOURCE)
endif()
if(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
add_mdbx_option(MDBX_OSX_SPEED_INSTEADOF_DURABILITY "Disable use fcntl(F_FULLFSYNC) in favor of speed" OFF) add_mdbx_option(MDBX_OSX_SPEED_INSTEADOF_DURABILITY "Disable use fcntl(F_FULLFSYNC) in favor of speed" OFF)
mark_as_advanced(MDBX_OSX_SPEED_INSTEADOF_DURABILITY) mark_as_advanced(MDBX_OSX_SPEED_INSTEADOF_DURABILITY)
endif() endif()

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@ -20,7 +20,7 @@ suffix ?=
CC ?= gcc CC ?= gcc
LD ?= ld LD ?= ld
MDBX_OPTIONS ?= -D_GNU_SOURCE=1 -DNDEBUG=1 MDBX_OPTIONS ?= -DNDEBUG=1
CFLAGS ?= -O2 -g3 -Wall -Werror -Wextra -ffunction-sections -fPIC -fvisibility=hidden -std=gnu11 -pthread CFLAGS ?= -O2 -g3 -Wall -Werror -Wextra -ffunction-sections -fPIC -fvisibility=hidden -std=gnu11 -pthread
# LY: '--no-as-needed,-lrt' for ability to built with modern glibc, but then run with the old # LY: '--no-as-needed,-lrt' for ability to built with modern glibc, but then run with the old

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@ -28,6 +28,7 @@
/* POSIX */ /* POSIX */
#cmakedefine01 MDBX_USE_ROBUST #cmakedefine01 MDBX_USE_ROBUST
#cmakedefine01 MDBX_USE_OFDLOCKS #cmakedefine01 MDBX_USE_OFDLOCKS
#cmakedefine01 MDBX_DISABLE_GNU_SOURCE
/* Simulate "AUTO" values of tristate options */ /* Simulate "AUTO" values of tristate options */
#cmakedefine MDBX_TXN_CHECKPID_AUTO #cmakedefine MDBX_TXN_CHECKPID_AUTO

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@ -15628,6 +15628,11 @@ __dll_export
" MDBX_TXN_CHECKPID=" STRINGIFY(MDBX_TXN_CHECKPID) " MDBX_TXN_CHECKPID=" STRINGIFY(MDBX_TXN_CHECKPID)
" MDBX_TXN_CHECKOWNER=" STRINGIFY(MDBX_TXN_CHECKOWNER) " MDBX_TXN_CHECKOWNER=" STRINGIFY(MDBX_TXN_CHECKOWNER)
" MDBX_64BIT_ATOMIC=" STRINGIFY(MDBX_64BIT_ATOMIC) " MDBX_64BIT_ATOMIC=" STRINGIFY(MDBX_64BIT_ATOMIC)
#ifdef _GNU_SOURCE
" _GNU_SOURCE=YES"
#else
" _GNU_SOURCE=NO"
#endif /* _GNU_SOURCE */
#ifdef __APPLE__ #ifdef __APPLE__
" MDBX_OSX_SPEED_INSTEADOF_DURABILITY=" STRINGIFY(MDBX_OSX_SPEED_INSTEADOF_DURABILITY) " MDBX_OSX_SPEED_INSTEADOF_DURABILITY=" STRINGIFY(MDBX_OSX_SPEED_INSTEADOF_DURABILITY)
#endif /* MacOS */ #endif /* MacOS */

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@ -49,6 +49,15 @@
# define MDBX_INTERNAL_VAR extern # define MDBX_INTERNAL_VAR extern
#endif /* MDBX_ALLOY */ #endif /* MDBX_ALLOY */
#ifndef MDBX_DISABLE_GNU_SOURCE
#define MDBX_DISABLE_GNU_SOURCE 0
#endif
#if MDBX_DISABLE_GNU_SOURCE
#undef _GNU_SOURCE
#elif defined(__linux__) || defined(__gnu_linux__)
#define _GNU_SOURCE
#endif
/*----------------------------------------------------------------------------*/ /*----------------------------------------------------------------------------*/
/* Should be defined before any includes */ /* Should be defined before any includes */

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@ -1275,10 +1275,7 @@ retry_mapview:;
return rc; return rc;
#else #else
if (limit != map->length) { if (limit != map->length) {
#if defined(_GNU_SOURCE) && \ #if defined(_GNU_SOURCE) && (defined(__linux__) || defined(__gnu_linux__))
!(defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || \
defined(__BSD__) || defined(__NETBSD__) || defined(__bsdi__) || \
defined(__DragonFly__) || defined(__APPLE__) || defined(__MACH__))
void *ptr = mremap(map->address, map->length, limit, void *ptr = mremap(map->address, map->length, limit,
/* LY: in case changing the mapping size calling code /* LY: in case changing the mapping size calling code
must guarantees the absence of competing threads, and must guarantees the absence of competing threads, and
@ -1292,7 +1289,7 @@ retry_mapview:;
map->length = limit; map->length = limit;
#else #else
return MDBX_RESULT_TRUE; return MDBX_RESULT_TRUE;
#endif /* mremap() <= _GNU_SOURCE && !__FreeBSD__ */ #endif /* _GNU_SOURCE && __linux__ */
} }
return (flags & MDBX_RDONLY) ? MDBX_SUCCESS : mdbx_ftruncate(map->fd, size); return (flags & MDBX_RDONLY) ? MDBX_SUCCESS : mdbx_ftruncate(map->fd, size);
#endif #endif

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@ -13,7 +13,7 @@ set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
# the RPATH to be used when installing, but only if it's not a system directory # the RPATH to be used when installing, but only if it's not a system directory
list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/lib" isSystemDir) list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/lib" isSystemDir)
if(isSystemDir EQUAL -1) if(isSystemDir EQUAL -1)
if(APPLE) if(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
set(CMAKE_INSTALL_RPATH "@executable_path/../lib") set(CMAKE_INSTALL_RPATH "@executable_path/../lib")
else() else()
set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib") set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib")