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43 lines
1.4 KiB
Diff
43 lines
1.4 KiB
Diff
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From 06c018012957ab963e2aa5245bf1fcfebcf4909a Mon Sep 17 00:00:00 2001
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From: Kenny MacDermid <kenny.macdermid@gmail.com>
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Date: Tue, 11 Jul 2017 22:45:22 -0300
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Subject: [PATCH 1/2] Add the -mtls-dialect=gnu2 to compile flags.
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When this option exists there is no need to add the tls_model attribute.
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---
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configure.ac | 11 ++++++++++-
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1 file changed, 10 insertions(+), 1 deletion(-)
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diff --git a/configure.ac b/configure.ac
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index 1551ded..39f957b 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -701,6 +701,14 @@ if test "x${je_cv_attribute}" = "xyes" ; then
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JE_CXXFLAGS_ADD([-fvisibility=hidden])
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fi
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fi
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+dnl Check for tls-dialect support.
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+JE_CFLAGS_ADD([-mtls-dialect=gnu2])
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+if test "x$je_cv_cflags_added" = "x-mtls-dialect=gnu2" ; then
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+ je_cv_tls_dialect_gnu2=yes
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+else
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+ je_cv_tls_dialect_gnu2=no
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+fi
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+JE_CXXFLAGS_ADD([-mtls-dialect=gnu2])
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dnl Check for tls_model attribute support (clang 3.0 still lacks support).
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JE_CFLAGS_SAVE()
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JE_CFLAGS_ADD([-Werror])
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@@ -711,7 +719,8 @@ JE_COMPILABLE([tls_model attribute], [],
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foo = 0;],
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[je_cv_tls_model])
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JE_CFLAGS_RESTORE()
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-if test "x${je_cv_tls_model}" = "xyes" ; then
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+if test "x${je_cv_tls_dialect_gnu2}" = "xno" \
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+ -a "x${je_cv_tls_model}" = "xyes" ; then
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AC_DEFINE([JEMALLOC_TLS_MODEL],
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[__attribute__((tls_model("initial-exec")))])
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else
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--
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1.9.5 (Apple Git-50.3)
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