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From 83093455d02d73a327cea502d974aac82b59ad17 Mon Sep 17 00:00:00 2001
From: Adrian Perez de Castro <aperez@igalia.com>
Date: Tue, 18 Mar 2025 07:39:01 -0700
Subject: [PATCH] Cherry-pick 292304@main (7ffc29624258).
https://bugs.webkit.org/show_bug.cgi?id=289953
[GTK][WPE] Use _LIBCPP_HARDENING_MODE with newer libc++ versions
https://bugs.webkit.org/show_bug.cgi?id=289953
Reviewed by Alicia Boya Garcia.
* Source/cmake/OptionsCommon.cmake: Add a new check for the libc++
version, if it is 19 or newer, use the new _LIBCPP_HARDENING_MODE
macro, otherwise for older versions keep _LIBCPP_ENABLE_ASSERTIONS.
Canonical link: https://commits.webkit.org/292304@main
Upstream-Status: Backport [https://github.com/WebKit/WebKit/commit/2c105443d41e5ce3de3a4cac2ed8a07ebd134459]
Canonical link: https://commits.webkit.org/290945.71@webkitglib/2.48
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
Source/cmake/OptionsCommon.cmake | 24 +++++++++++++++++++-----
1 file changed, 19 insertions(+), 5 deletions(-)
diff --git a/Source/cmake/OptionsCommon.cmake b/Source/cmake/OptionsCommon.cmake
index f6cf5ee..3178674 100644
--- a/Source/cmake/OptionsCommon.cmake
+++ b/Source/cmake/OptionsCommon.cmake
@@ -229,8 +229,22 @@ set(CXX_STDLIB_TEST_SOURCE "
")
check_cxx_source_compiles("${CXX_STDLIB_TEST_SOURCE}" CXX_STDLIB_IS_LIBCPP)
if (CXX_STDLIB_IS_LIBCPP)
- set(CXX_STDLIB_VARIANT "LIBCPP")
- set(CXX_STDLIB_ASSERTIONS_MACRO _LIBCPP_ENABLE_ASSERTIONS)
+ set(CXX_STDLIB_TEST_SOURCE "
+ #include <utility>
+ #if _LIBCPP_VERSION >= 190000
+ int main() { }
+ #else
+ #error libc++ is older than 19.x
+ #endif
+ ")
+ check_cxx_source_compiles("${CXX_STDLIB_TEST_SOURCE}" CXX_STDLIB_IS_LIBCPP_19_OR_NEWER)
+ if (CXX_STDLIB_IS_LIBCPP_19_OR_NEWER)
+ set(CXX_STDLIB_VARIANT "LIBCPP 19+")
+ set(CXX_STDLIB_ASSERTIONS_MACRO _LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE)
+ else ()
+ set(CXX_STDLIB_VARIANT "LIBCPP <19")
+ set(CXX_STDLIB_ASSERTIONS_MACRO _LIBCPP_ENABLE_ASSERTIONS=1)
+ endif ()
else ()
set(CXX_STDLIB_TEST_SOURCE "
#include <utility>
@@ -239,7 +253,7 @@ else ()
check_cxx_source_compiles("${CXX_STDLIB_TEST_SOURCE}" CXX_STDLIB_IS_GLIBCXX)
if (CXX_STDLIB_IS_GLIBCXX)
set(CXX_STDLIB_VARIANT "GLIBCXX")
- set(CXX_STDLIB_ASSERTIONS_MACRO _GLIBCXX_ASSERTIONS)
+ set(CXX_STDLIB_ASSERTIONS_MACRO _GLIBCXX_ASSERTIONS=1)
endif ()
endif ()
message(STATUS "C++ standard library in use: ${CXX_STDLIB_VARIANT}")
@@ -255,8 +269,8 @@ option(USE_CXX_STDLIB_ASSERTIONS
if (USE_CXX_STDLIB_ASSERTIONS)
if (CXX_STDLIB_ASSERTIONS_MACRO)
- message(STATUS " Assertions enabled, ${CXX_STDLIB_ASSERTIONS_MACRO}=1")
- add_compile_definitions("${CXX_STDLIB_ASSERTIONS_MACRO}=1")
+ message(STATUS " Assertions enabled, ${CXX_STDLIB_ASSERTIONS_MACRO}")
+ add_compile_definitions("${CXX_STDLIB_ASSERTIONS_MACRO}")
else ()
message(STATUS " Assertions disabled, CXX_STDLIB_ASSERTIONS_MACRO undefined")
endif ()
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