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Fix TLS configuration.

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Fix TLS configuration such that it is enabled by default for platforms
on which it works correctly.  This regression was introduced by
ac5db02034 (Make --enable-tls and
--enable-lazy-lock take precedence over configure.ac-hardcoded
defaults).
This commit is contained in:
Jason Evans 2015-09-02 12:46:35 -07:00
parent 4a2a3c9a6e
commit c0f43b6550
2 changed files with 16 additions and 8 deletions
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2
ChangeLog
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@ -20,6 +20,8 @@ brevity. Much more detail can be found in the git revision history:
specify the old chunk size rather than the new chunk size. This bug caused
no correctness issues for the default chunk purge function, but was
visible to custom functions set via the "arena.<i>.chunk_hooks" mallctl.
- Fix TLS configuration such that it is enabled by default for platforms on
which it works correctly.
* 4.0.0 (August 17, 2015)

22
configure.ac
View file

@ -1272,13 +1272,16 @@ fi
,
enable_tls=""
)
if test "x${enable_tls}" = "x" -a "x${force_tls}" = "x1" ; then
AC_MSG_RESULT([Forcing TLS to avoid allocator/threading bootstrap issues])
enable_tls="1"
fi
if test "x${enable_tls}" = "x" -a "x${force_tls}" = "x0" ; then
AC_MSG_RESULT([Forcing no TLS to avoid allocator/threading bootstrap issues])
enable_tls="0"
if test "x${enable_tls}" = "x" ; then
if test "x${force_tls}" = "x1" ; then
AC_MSG_RESULT([Forcing TLS to avoid allocator/threading bootstrap issues])
enable_tls="1"
elif test "x${force_tls}" = "x0" ; then
AC_MSG_RESULT([Forcing no TLS to avoid allocator/threading bootstrap issues])
enable_tls="0"
else
enable_tls="1"
fi
fi
if test "x${enable_tls}" = "x1" ; then
AC_MSG_CHECKING([for TLS])
@ -1298,9 +1301,12 @@ else
fi
AC_SUBST([enable_tls])
if test "x${enable_tls}" = "x1" ; then
if test "x${force_tls}" = "x0" ; then
AC_MSG_WARN([TLS enabled despite being marked unusable on this platform])
fi
AC_DEFINE_UNQUOTED([JEMALLOC_TLS], [ ])
elif test "x${force_tls}" = "x1" ; then
AC_MSG_ERROR([Failed to configure TLS, which is mandatory for correct function])
AC_MSG_WARN([TLS disabled despite being marked critical on this platform])
fi
dnl ============================================================================