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build: use _LIBCPP_ENABLE_DEBUG_MODE over ENABLE_ASSERTIONS

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`_LIBCPP_ENABLE_ASSERTIONS` is deprecated, and will be removed. [See (from libc++ __config in main)](b57df9fe9a/libcxx/include/__config (L205-L209)):

> TODO(hardening): remove this in LLVM 19.
> This is for backward compatibility -- make enabling `_LIBCPP_ENABLE_ASSERTIONS` (which predates hardening modes)
> equivalent to setting the safe mode.
> ifdef _LIBCPP_ENABLE_ASSERTIONS
> warning "_LIBCPP_ENABLE_ASSERTIONS is deprecated, please use _LIBCPP_ENABLE_SAFE_MODE instead."

From LLVM 17, `_LIBCPP_ENABLE_DEBUG_MODE` can be used instead.

See https://libcxx.llvm.org/Hardening.html.

Related to #28476.
This commit is contained in:
fanquake 2023-09-14 13:12:14 +01:00
parent f5c5ddafbc
commit 4a825039a5
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depends/hosts/linux.mk
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@ -17,7 +17,7 @@ linux_release_CXXFLAGS=$(linux_release_CFLAGS)
linux_debug_CFLAGS=-O1
linux_debug_CXXFLAGS=$(linux_debug_CFLAGS)
linux_debug_CPPFLAGS=-D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC -D_LIBCPP_ENABLE_ASSERTIONS=1
linux_debug_CPPFLAGS=-D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC -D_LIBCPP_ENABLE_DEBUG_MODE=1
ifeq (86,$(findstring 86,$(build_arch)))
i686_linux_CC=gcc -m32