[gentoo-dev] [PATCH] multilib.eclass: add initial defaults for ARCH=loong

[WANG Xuerui <i.gentoo@xen0n.name>]

From: WANG Xuerui <git@xen0n.name>

There is only full support for the LP64D ABI in the initial upstream
submissions for the various low-level pieces, so full multilib
combinations are not pursued at the moment; but the expected library
search path of gcc (`lib64`) means the default of `lib` does not work
in our case.

Signed-off-by: WANG Xuerui <git@xen0n.name>
---
 eclass/multilib.eclass | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/eclass/multilib.eclass b/eclass/multilib.eclass
index 483f8d10c72..b14b0ef7785 100644
--- a/eclass/multilib.eclass
+++ b/eclass/multilib.eclass
@@ -368,6 +368,15 @@ multilib_env() {
 				;;
 			esac
 		;;
+		loongarch64*)
+			export CFLAGS_lp64d=${CFLAGS_lp64d--mabi=lp64d}
+			export CHOST_lp64d=${CTARGET}
+			export CTARGET_lp64d=${CTARGET}
+			export LIBDIR_lp64d=${LIBDIR_lp64d-lib64}
+
+			: ${MULTILIB_ABIS=lp64d}
+			: ${DEFAULT_ABI=lp64d}
+		;;
 		mips64*|mipsisa64*)
 			export CFLAGS_o32=${CFLAGS_o32--mabi=32}
 			export CHOST_o32=${CTARGET/mips64/mips}
-- 
2.34.0