[gentoo-commits] repo/gentoo:master commit in: eclass/

[Sam James]

commit:     3ffccf8150c87234124ba1a72b11b829bb17dd15
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Mon Jan 30 01:10:18 2023 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Mon Jan 30 17:37:04 2023 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=3ffccf81

toolchain-funcs.eclass: add tc-enables-cxx-assertions

Bug: https://bugs.gentoo.org/884417
Bug: https://bugs.gentoo.org/876895
Signed-off-by: Sam James <sam <AT> 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 b9e956098b3e..d46104275f8e 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