From 6a6223a8e217664a348835e92d5a602f50e18b2c Mon Sep 17 00:00:00 2001
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From: Joshua Watt <JPEWhacker@gmail.com>
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Date: Thu, 20 Feb 2020 15:20:45 -0600
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Subject: [PATCH] build: Fix strndup detection on MinGW
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GCC and meson conspire together to incorrectly detect that strndup()
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exists on MinGW as __builtin_strndup, when no such function exists. As a
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work around, meson will skip looking for __builtin functions if an
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'#include' is in the prefix, so add '#include <string.h>' when looking
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for strndup().
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See: https://github.com/mesonbuild/meson/issues/3672
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Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
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Upstream-Status: Submitted [https://gitlab.freedesktop.org/wayland/wayland/merge_requests/63]
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---
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meson.build | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/meson.build b/meson.build
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index 11c35fa..80729d0 100644
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--- a/meson.build
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+++ b/meson.build
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@@ -36,11 +36,11 @@ have_funcs = [
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'posix_fallocate',
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'prctl',
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'memfd_create',
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- 'strndup',
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]
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foreach f: have_funcs
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config_h.set('HAVE_' + f.underscorify().to_upper(), cc.has_function(f))
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endforeach
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+config_h.set('HAVE_STRNDUP', cc.has_function('strndup') and cc.has_header_symbol('string.h', 'strndup'))
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if get_option('libraries')
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ffi_dep = dependency('libffi')
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