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Use a stub replacement and disable dss when sbrk is not supported

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Mike Hommey 2012-04-12 10:13:03 +02:00 • committed by Jason Evans
parent 5ff709c264
commit 83c324acd8
3 changed files with 22 additions and 0 deletions
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8
configure.ac
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@ -678,6 +678,14 @@ fi
],
[enable_dss="0"]
)
dnl Check whether the BSD/SUSv1 sbrk() exists. If not, disable DSS support.
AC_CHECK_FUNC([sbrk], [have_sbrk="1"], [have_sbrk="0"])
if test "x$have_sbrk" = "x1" ; then
AC_DEFINE([JEMALLOC_HAVE_SBRK], [ ])
else
enable_dss="0"
fi
if test "x$enable_dss" = "x1" ; then
AC_DEFINE([JEMALLOC_DSS], [ ])
fi