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32 lines
1.2 KiB
Diff
32 lines
1.2 KiB
Diff
From de8fc816bc6698ab97316ed954e133e7e5098262 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Carlo=20Marcelo=20Arenas=20Bel=C3=B3n?= <carenas@gmail.com>
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Date: Thu, 21 Apr 2022 21:01:12 -0700
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Subject: [PATCH] macos: somehow allow building with a target below 11.0
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While building for macOS older than 11 in Apple Silicon makes no
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sense, some build systems lack the flexibility to set a target per
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architecture while aiming to support multi architecture binaries.
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Allow an option in those cases by using the slower runtime checks
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if the toolchain allows it.
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Fixes: PCRE2Project/pcre2#109
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---
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sljit_src/sljitExecAllocator.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/sljit_src/sljitExecAllocator.c b/sljit_src/sljitExecAllocator.c
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index 92d940dd..6359848c 100644
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--- a/sljit_src/sljitExecAllocator.c
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+++ b/sljit_src/sljitExecAllocator.c
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@@ -152,6 +152,9 @@ static SLJIT_INLINE void apple_update_wx_flags(sljit_s32 enable_exec)
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{
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#if MAC_OS_X_VERSION_MIN_REQUIRED >= 110000
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pthread_jit_write_protect_np(enable_exec);
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+#elif defined(__clang__)
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+ if (__builtin_available(macOS 11.0, *))
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+ pthread_jit_write_protect_np(enable_exec);
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#else
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#error "Must target Big Sur or newer"
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#endif /* BigSur */
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