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Change mmap I/O default mode to enable #1055

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Merged
merged 1 commit into from
Jul 30, 2025
Merged

Change mmap I/O default mode to enable #1055

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6 changes: 3 additions & 3 deletions darshan-runtime/configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -119,9 +119,9 @@ if test "x$enable_darshan_runtime" = xyes ; then
fi

AC_ARG_ENABLE([mmap-logs],
[AS_HELP_STRING([--enable-mmap-logs],
[Enables ability to mmap I/O data to log file])],
[], [enable_mmap_logs=no]
[AS_HELP_STRING([--disable-mmap-logs],
[Disables ability to mmap I/O data to log file])],
[], [enable_mmap_logs=yes]
)
if test "x$enable_mmap_logs" = "xyes" ; then
AC_DEFINE([__DARSHAN_ENABLE_MMAP_LOGS], 1,
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2 changes: 1 addition & 1 deletion darshan-runtime/doc/darshan-runtime.rst
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Expand Up @@ -142,7 +142,7 @@ Compilation
header and library.
* ``--without-mpi``: disables MPI support when building Darshan - MPI support is
assumed if not specified.
* ``--enable-mmap-logs``: enables the use of Darshan's mmap log file mechanism.
* ``--disable-mmap-logs``: disables the use of Darshan's mmap log file mechanism.
* ``--enable-cuserid``: enables use of cuserid() at runtime.
* ``--disable-ld-preload``: disables building of the Darshan ``LD_PRELOAD`` library
* ``--enable-group-readable-logs``: sets Darshan log file permissions to allow
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