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List:       gentoo-dev
Subject:    [gentoo-dev] [PATCH 2/5] toolchain-funcs.eclass: add tc-enables-cxx-assertions
From:       Sam James <sam () gentoo ! org>
Date:       2023-01-30 1:47:05
Message-ID: 20230130014708.2898311-2-sam () gentoo ! org
[Download RAW message or body]

Bug: https://bugs.gentoo.org/884417
Bug: https://bugs.gentoo.org/876895
Signed-off-by: Sam James <sam@gentoo.org>
---
 eclass/toolchain-funcs.eclass | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/eclass/toolchain-funcs.eclass b/eclass/toolchain-funcs.eclass
index b9e956098b3e2..d46104275f8e6 100644
--- a/eclass/toolchain-funcs.eclass
+++ b/eclass/toolchain-funcs.eclass
@@ -996,6 +996,15 @@ gcc-specs-stack-check() {
 	[[ "${directive/\{!fno-stack-check:}" != "${directive}" ]]
 }
 
+# @FUNCTION: tc-enables-cxx-assertions
+# @RETURN: Truth if the current compiler enables assertions in the C++ standard \
library +# @DESCRIPTION:
+# Return truth if the current compiler enables assertions in the C++ standard
+# library. For libstdc++, this is -D_GLIBCXX_ASSERTIONS, and for libcxx/libc++,
+# this is -D_LIBCPP_ENABLE_ASSERTIONS.
+tc-enables-cxx-assertions() {
+	tc-cpp-is-true "defined(_GLIBCXX_ASSERTIONS) || defined(_LIBCPP_ENABLE_ASSERTIONS)" \
${CPPFLAGS} ${CXXFLAGS} +}
 
 # @FUNCTION: tc-enables-pie
 # @RETURN: Truth if the current compiler generates position-independent code (PIC) \
                which can be linked into executables
-- 
2.39.1


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