cmake: add default pwritev support now

Signed-off-by: Haomai Wang <haomai@xsky.com>

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2b1bd607a36c09d3e5724503041b9e714188000d..8b8dbed8f66d2a76aae259a64cfa578cdbd7726a 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -33,6 +33,7 @@ CHECK_FUNCTION_EXISTS(posix_fallocate HAVE_POSIX_FALLOCATE)
 CHECK_FUNCTION_EXISTS(syncfs HAVE_SYS_SYNCFS) 
 CHECK_FUNCTION_EXISTS(sync_file_range HAVE_SYNC_FILE_RANGE)
 CHECK_FUNCTION_EXISTS(mallinfo HAVE_MALLINFO)
+CHECK_FUNCTION_EXISTS(pwritev HAVE_PWRITEV)
 CHECK_INCLUDE_FILES("arpa/inet.h" HAVE_ARPA_INET_H)
 CHECK_INCLUDE_FILES("boost/random/discrete_distribution.hpp" HAVE_BOOST_RANDOM_DISCRETE_DISTRIBUTION)
 CHECK_INCLUDE_FILES("dirent.h" HAVE_DIRENT_H)

diff --git a/src/include/config-h.in.cmake b/src/include/config-h.in.cmake
index 89d7792ee8a988ef751ea81078f010b34a2b679e..ceedb6e9dc647880699b05ac0d7e5432bae1fdd0 100644 (file)
--- a/src/include/config-h.in.cmake
+++ b/src/include/config-h.in.cmake
@@ -123,6 +123,9 @@
 /* Define to 1 if you have the `syncfs' function. */
 #cmakedefine HAVE_SYNCFS 1
 
+/* Define to 1 if you have the `pwritev' function. */
+#cmakedefine HAVE_PWRITEV 1
+
 /* sync_file_range(2) is supported */
 #cmakedefine HAVE_SYNC_FILE_RANGE