diff options
Diffstat (limited to 'meta-gnome/recipes-gnome/gjs/gjs/0001-maint-Avoid-g_once_init_enter-error-in-GCC-11.patch')
| -rw-r--r-- | meta-gnome/recipes-gnome/gjs/gjs/0001-maint-Avoid-g_once_init_enter-error-in-GCC-11.patch | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/meta-gnome/recipes-gnome/gjs/gjs/0001-maint-Avoid-g_once_init_enter-error-in-GCC-11.patch b/meta-gnome/recipes-gnome/gjs/gjs/0001-maint-Avoid-g_once_init_enter-error-in-GCC-11.patch new file mode 100644 index 0000000000..6343a24a2d --- /dev/null +++ b/meta-gnome/recipes-gnome/gjs/gjs/0001-maint-Avoid-g_once_init_enter-error-in-GCC-11.patch @@ -0,0 +1,77 @@ +From dae0055be61937fe70252f3f4ee09b355aba2b8f Mon Sep 17 00:00:00 2001 +From: Philip Chimento <philip.chimento@gmail.com> +Date: Sun, 14 Feb 2021 12:20:09 -0800 +Subject: [PATCH] maint: Avoid g_once_init_enter error in GCC 11 + +On platforms where g_once_init_enter() is defined to use C11 atomic +builtins, passing a pointer to a volatile value is an error in GCC 11 and +later, in C++. + +More info about the GCC change: +https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95378 +https://gcc.gnu.org/pipermail/gcc-patches/2020-June/548283.html + +However, it's my understanding that in modern C++ there is no longer a +need to guard the initialization of these variables. Since C++11, static +local variables in a function are guaranteed to be initialized only once, +the first time control passes through that function. So we can just remove +the g_once_init_enter guard. + +More info: +https://en.cppreference.com/w/cpp/language/storage_duration#Static_local_variables + +Stack Overflow answers with quotations from the C++ standard: +https://stackoverflow.com/a/58804/172999 +https://stackoverflow.com/a/8102145/172999 + +Closes: #376 +--- + gjs/error-types.cpp | 32 +++++++++++++------------------- + 1 file changed, 13 insertions(+), 19 deletions(-) + +Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/gjs/-/commit/f02eaf3a9d3465915eb849428c2d9615e2184a4c] +diff --git a/gjs/error-types.cpp b/gjs/error-types.cpp +index 86cb878..5eba61b 100644 +--- a/gjs/error-types.cpp ++++ b/gjs/error-types.cpp +@@ -31,24 +31,18 @@ G_DEFINE_QUARK(gjs-js-error-quark, gjs_js_error) + // clang-format on + + GType gjs_js_error_get_type(void) { +- static volatile GType g_type_id; +- +- if (g_once_init_enter(&g_type_id)) { +- static GEnumValue errors[] = { +- { GJS_JS_ERROR_ERROR, "Error", "error" }, +- { GJS_JS_ERROR_EVAL_ERROR, "EvalError", "eval-error" }, +- { GJS_JS_ERROR_INTERNAL_ERROR, "InternalError", "internal-error" }, +- { GJS_JS_ERROR_RANGE_ERROR, "RangeError", "range-error" }, +- { GJS_JS_ERROR_REFERENCE_ERROR, "ReferenceError", "reference-error" }, +- { GJS_JS_ERROR_STOP_ITERATION, "StopIteration", "stop-iteration" }, +- { GJS_JS_ERROR_SYNTAX_ERROR, "SyntaxError", "syntax-error" }, +- { GJS_JS_ERROR_TYPE_ERROR, "TypeError", "type-error" }, +- { GJS_JS_ERROR_URI_ERROR, "URIError", "uri-error" }, +- { 0, nullptr, nullptr } +- }; +- +- g_type_id = g_enum_register_static("GjsJSError", errors); +- } +- ++ static const GEnumValue errors[] = { ++ {GJS_JS_ERROR_ERROR, "Error", "error"}, ++ {GJS_JS_ERROR_EVAL_ERROR, "EvalError", "eval-error"}, ++ {GJS_JS_ERROR_INTERNAL_ERROR, "InternalError", "internal-error"}, ++ {GJS_JS_ERROR_RANGE_ERROR, "RangeError", "range-error"}, ++ {GJS_JS_ERROR_REFERENCE_ERROR, "ReferenceError", "reference-error"}, ++ {GJS_JS_ERROR_STOP_ITERATION, "StopIteration", "stop-iteration"}, ++ {GJS_JS_ERROR_SYNTAX_ERROR, "SyntaxError", "syntax-error"}, ++ {GJS_JS_ERROR_TYPE_ERROR, "TypeError", "type-error"}, ++ {GJS_JS_ERROR_URI_ERROR, "URIError", "uri-error"}, ++ {0, nullptr, nullptr}}; ++ // Initialization of static local variable guaranteed only once in C++11 ++ static GType g_type_id = g_enum_register_static("GjsJSError", errors); + return g_type_id; + } +-- +2.31.1 + |