[PATCH] cmake: fix sync_file_range detection
Vladimir Davydov
vdavydov.dev at gmail.com
Sat Oct 6 17:51:48 MSK 2018
sync_file_range is declared only if _GNU_SOURCE macro is defined.
Also, in order to be used in a source file, HAVE_SYNC_FILE_RANGE
must be present in config.h.cmake.
Fixes commit caae99e5eaa0 ("Refactor xlog writer").
---
https://github.com/tarantool/tarantool/commits/dv/cmake-fix-gnu-symbol-detection
CMakeLists.txt | 2 ++
src/trivia/config.h.cmake | 1 +
2 files changed, 3 insertions(+)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index bf68d187..b26d2abf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -69,6 +69,8 @@ include(cmake/profile.cmake)
include(cmake/module.cmake)
include(cmake/thread.cmake)
+list(APPEND CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
+
check_symbol_exists(MAP_ANON sys/mman.h HAVE_MAP_ANON)
check_symbol_exists(MAP_ANONYMOUS sys/mman.h HAVE_MAP_ANONYMOUS)
check_include_file(sys/time.h HAVE_SYS_TIME_H)
diff --git a/src/trivia/config.h.cmake b/src/trivia/config.h.cmake
index 66ddba99..8894b436 100644
--- a/src/trivia/config.h.cmake
+++ b/src/trivia/config.h.cmake
@@ -167,6 +167,7 @@
#cmakedefine HAVE_SCHED_YIELD 1
#cmakedefine HAVE_POSIX_FADVISE 1
#cmakedefine HAVE_MREMAP 1
+#cmakedefine HAVE_SYNC_FILE_RANGE 1
#cmakedefine HAVE_PRCTL_H 1
--
2.11.0
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