commit:     b65390555d292123bc6b2793cc8fd84f373e58ea
Author:     Michal Rostecki <vadorovsky <AT> protonmail <DOT> com>
AuthorDate: Wed Oct 22 14:37:42 2025 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Fri Oct 24 09:31:57 2025 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=b6539055

dev-util/bpf-linker: Fix build for libc++

llvm-sys[0] by default tries to link to libstc++ and any alternative
linker needs to be mentioned in the `LLVM_SYS_LIBCPP` environment
variable.

[0] https://crates.io/crates/llvm-sys

Closes: https://bugs.gentoo.org/965011
Signed-off-by: Michal Rostecki <vadorovsky <AT> protonmail.com>
Part-of: https://github.com/gentoo/gentoo/pull/44296
Closes: https://github.com/gentoo/gentoo/pull/44296
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>

 dev-util/bpf-linker/bpf-linker-0.9.15-r1.ebuild | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dev-util/bpf-linker/bpf-linker-0.9.15-r1.ebuild 
b/dev-util/bpf-linker/bpf-linker-0.9.15-r1.ebuild
index 013ded64afd2..b6916cd4f94b 100644
--- a/dev-util/bpf-linker/bpf-linker-0.9.15-r1.ebuild
+++ b/dev-util/bpf-linker/bpf-linker-0.9.15-r1.ebuild
@@ -15,7 +15,7 @@ declare -A GIT_CRATES=(
 LLVM_COMPAT=( {20..21} )
 RUST_REQ_USE="llvm_targets_BPF(+),rust_sysroots_bpf(-)"
 
-inherit cargo llvm-r2
+inherit cargo llvm-r2 toolchain-funcs
 
 DESCRIPTION="Simple BPF static linker"
 HOMEPAGE="https://github.com/aya-rs/bpf-linker/";
@@ -72,4 +72,8 @@ src_configure() {
        cargo_src_configure --no-default-features
 
        export "LLVM_SYS_${LLVM_SLOT}1_PREFIX"="$(get_llvm_prefix -d)"
+
+       if [[ $(tc-get-cxx-stdlib) == "libc++" ]]; then
+               export LLVM_SYS_LIBCPP=c++
+       fi
 }

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