diff options
-rw-r--r-- | config/cmake/ConfigureChecks.cmake | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/config/cmake/ConfigureChecks.cmake b/config/cmake/ConfigureChecks.cmake index a004c76..7981b64 100644 --- a/config/cmake/ConfigureChecks.cmake +++ b/config/cmake/ConfigureChecks.cmake @@ -224,7 +224,9 @@ if (CMAKE_SYSTEM_NAME MATCHES "Linux") # functionality so clock_gettime and CLOCK_MONOTONIC are defined # correctly. This was later updated to 200112L so that # posix_memalign() is visible for the direct VFD code on Linux - # systems. + # systems. Even later, this was changed to 200809L to support + # pread/pwrite in VFDs. + # # POSIX feature information can be found in the gcc manual at: # http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html set (HDF_EXTRA_C_FLAGS -D_POSIX_C_SOURCE=200809L) |