rust: use system libunwind when building with external LLVM

[Adam Ciarciński <aciarcinski%teonite.com@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Adam Ciarciński <aciarcinski%teonite.com@localhost>
Pushed By:	adam
Date:		Thu Mar 3 11:34:16 2022 +0100
Changeset:	6e206f63835cc16e76b74168ecd6fcf67ded6e97

Modified Files:
	rust/options.mk

Log Message:
rust: use system libunwind when building with external LLVM

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=6e206f63835cc16e76b74168ecd6fcf67ded6e97

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 rust/options.mk | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diffs:
diff --git a/rust/options.mk b/rust/options.mk
index 44b8dba9fb..cb1633b635 100644
--- a/rust/options.mk
+++ b/rust/options.mk
@@ -28,11 +28,11 @@ PKG_SUGGESTED_OPTIONS+=	rust-cargo-static
 #
 .if empty(PKG_OPTIONS:Mrust-llvm)
 BUILDLINK_API_DEPENDS.llvm+=	llvm>=12.0.0
+.include "../../lang/libunwind/buildlink3.mk"
 .include "../../lang/llvm/buildlink3.mk"
 CONFIGURE_ARGS+=	--enable-llvm-link-shared
+#CONFIGURE_ARGS+=	--llvm-libunwind=system
 CONFIGURE_ARGS+=	--llvm-root=${BUILDLINK_PREFIX.llvm}
-# XXX: fix for Rust 1.41.0 https://github.com/rust-lang/rust/issues/68714
-MAKE_ENV+=	LIBRARY_PATH=${BUILDLINK_PREFIX.llvm}/lib
 .endif
 
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