diff options
Diffstat (limited to 'config/cmake/ConfigureChecks.cmake')
| -rw-r--r-- | config/cmake/ConfigureChecks.cmake | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/config/cmake/ConfigureChecks.cmake b/config/cmake/ConfigureChecks.cmake index 93c852e..7272cb9 100644 --- a/config/cmake/ConfigureChecks.cmake +++ b/config/cmake/ConfigureChecks.cmake @@ -144,6 +144,8 @@ endif () if (CYGWIN) set (${HDF_PREFIX}_HAVE_LSEEK64 0) + set (CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} -D_GNU_SOURCE") + add_definitions ("-D_GNU_SOURCE") endif () #----------------------------------------------------------------------------- @@ -224,7 +226,9 @@ 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) |