51 lines
1.4 KiB
Diff
51 lines
1.4 KiB
Diff
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From 7b51bc95d9cf0d9a2e91a37319fa34e4e5f26927 Mon Sep 17 00:00:00 2001
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From: Kleis Auke Wolthuizen <github@kleisauke.nl>
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Date: Wed, 6 Jul 2022 12:58:15 +0200
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Subject: [PATCH] [cplusplus] Fix build on GCC < 7
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[Retrieved from:
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https://github.com/harfbuzz/harfbuzz/commit/7b51bc95d9cf0d9a2e91a37319fa34e4e5f26927]
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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---
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src/hb-cplusplus.hh | 12 ++++++++++--
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1 file changed, 10 insertions(+), 2 deletions(-)
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diff --git a/src/hb-cplusplus.hh b/src/hb-cplusplus.hh
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index 86d0452080..f06a32d912 100644
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--- a/src/hb-cplusplus.hh
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+++ b/src/hb-cplusplus.hh
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@@ -166,8 +166,14 @@ HB_DEFINE_VTABLE (unicode_funcs);
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} // namespace hb
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+/* Workaround for GCC < 7, see:
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+ * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480
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+ * https://stackoverflow.com/a/25594741 */
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+namespace std {
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+
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+
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template<typename T>
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-struct std::hash<hb::shared_ptr<T>>
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+struct hash<hb::shared_ptr<T>>
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{
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std::size_t operator()(const hb::shared_ptr<T>& v) const noexcept
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{
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@@ -177,7 +183,7 @@ struct std::hash<hb::shared_ptr<T>>
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};
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template<typename T>
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-struct std::hash<hb::unique_ptr<T>>
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+struct hash<hb::unique_ptr<T>>
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{
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std::size_t operator()(const hb::unique_ptr<T>& v) const noexcept
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{
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@@ -187,6 +193,8 @@ struct std::hash<hb::unique_ptr<T>>
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};
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+} // namespace std
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+
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#endif /* __cplusplus */
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#endif /* HB_CPLUSPLUS_HH */
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