Prefer lld for naive musl builds

build-apk.sh

@@ -71,6 +71,10 @@ uses_musl_toolchain() {
     has_build_tag "with_musl"
 }
 
+prefers_lld_linker() {
+    has_build_tag "with_naive_outbound"
+}
+
 goarch_to_sdk_cc_name() {
     case "$1" in
         arm64) echo "aarch64-openwrt-linux-musl-gcc" ;;
@@ -124,19 +128,38 @@ find_linker_binary() {
     ld_bfd_name="$(goarch_to_sdk_ld_bfd_name "$goarch")" || return 1
     ld_name="$(goarch_to_sdk_ld_name "$goarch")" || return 1
 
+    if prefers_lld_linker; then
+        ld_bin="$(find_lld_binary "$sdk_dir")"
+        if [ -n "$ld_bin" ]; then
+            echo "$ld_bin"
+            return 0
+        fi
+    else
+        ld_bin="$(find_toolchain_binary "$sdk_dir" "$ld_bfd_name")"
+        if [ -n "$ld_bin" ]; then
+            echo "$ld_bin"
+            return 0
+        fi
+
+        ld_bin="$(find_toolchain_binary "$sdk_dir" "$ld_name")"
+        if [ -n "$ld_bin" ]; then
+            echo "$ld_bin"
+            return 0
+        fi
+    fi
+
+    if ! prefers_lld_linker; then
+        find_lld_binary "$sdk_dir"
+        return 0
+    fi
+
     ld_bin="$(find_toolchain_binary "$sdk_dir" "$ld_bfd_name")"
     if [ -n "$ld_bin" ]; then
         echo "$ld_bin"
         return 0
     fi
 
-    ld_bin="$(find_toolchain_binary "$sdk_dir" "$ld_name")"
+    find_toolchain_binary "$sdk_dir" "$ld_name"
-    if [ -n "$ld_bin" ]; then
-        echo "$ld_bin"
-        return 0
-    fi
-
-    find_lld_binary "$sdk_dir"
 }
 
 find_lld_binary() {

build-ipk.sh

@@ -68,6 +68,10 @@ uses_musl_toolchain() {
     has_build_tag "with_musl"
 }
 
+prefers_lld_linker() {
+    has_build_tag "with_naive_outbound"
+}
+
 goarch_to_sdk_cc_name() {
     case "$1" in
         arm64) echo "aarch64-openwrt-linux-musl-gcc" ;;
@@ -121,19 +125,38 @@ find_linker_binary() {
     ld_bfd_name="$(goarch_to_sdk_ld_bfd_name "$goarch")" || return 1
     ld_name="$(goarch_to_sdk_ld_name "$goarch")" || return 1
 
+    if prefers_lld_linker; then
+        ld_bin="$(find_lld_binary "$sdk_dir")"
+        if [ -n "$ld_bin" ]; then
+            echo "$ld_bin"
+            return 0
+        fi
+    else
+        ld_bin="$(find_toolchain_binary "$sdk_dir" "$ld_bfd_name")"
+        if [ -n "$ld_bin" ]; then
+            echo "$ld_bin"
+            return 0
+        fi
+
+        ld_bin="$(find_toolchain_binary "$sdk_dir" "$ld_name")"
+        if [ -n "$ld_bin" ]; then
+            echo "$ld_bin"
+            return 0
+        fi
+    fi
+
+    if ! prefers_lld_linker; then
+        find_lld_binary "$sdk_dir"
+        return 0
+    fi
+
     ld_bin="$(find_toolchain_binary "$sdk_dir" "$ld_bfd_name")"
     if [ -n "$ld_bin" ]; then
         echo "$ld_bin"
         return 0
     fi
 
-    ld_bin="$(find_toolchain_binary "$sdk_dir" "$ld_name")"
+    find_toolchain_binary "$sdk_dir" "$ld_name"
-    if [ -n "$ld_bin" ]; then
-        echo "$ld_bin"
-        return 0
-    fi
-
-    find_lld_binary "$sdk_dir"
 }
 
 find_lld_binary() {

sing-box-rr/Makefile

@@ -78,11 +78,20 @@ define Build/Compile
 			if [ -n "$(SINGBOX_RR_LD_LLD_BIN)" ]; then \
 				ld_bin="$(SINGBOX_RR_LD_LLD_BIN)"; \
 			else \
-				ld_bin=$$$$(command -v $(TARGET_CROSS)ld.bfd); \
+				if printf '%s' "$(SINGBOX_RR_TAGS)" | tr ',' '\n' | grep -qx 'with_naive_outbound'; then \
-				[ -n "$$$$ld_bin" ] || ld_bin=$$$$(command -v $(TARGET_CROSS)ld); \
-				if [ -z "$$$$ld_bin" ]; then \
 					ld_bin=$$$$(find "$(TOPDIR)/staging_dir/host" -maxdepth 3 -name ld.lld | head -n1); \
 					[ -n "$$$$ld_bin" ] || ld_bin=$$$$(find "$(TOPDIR)/staging_dir/host" -maxdepth 3 -type f -name lld | head -n1); \
+					if [ -z "$$$$ld_bin" ]; then \
+						ld_bin=$$$$(command -v $(TARGET_CROSS)ld.bfd); \
+						[ -n "$$$$ld_bin" ] || ld_bin=$$$$(command -v $(TARGET_CROSS)ld); \
+					fi; \
+				else \
+					ld_bin=$$$$(command -v $(TARGET_CROSS)ld.bfd); \
+					[ -n "$$$$ld_bin" ] || ld_bin=$$$$(command -v $(TARGET_CROSS)ld); \
+					if [ -z "$$$$ld_bin" ]; then \
+						ld_bin=$$$$(find "$(TOPDIR)/staging_dir/host" -maxdepth 3 -name ld.lld | head -n1); \
+						[ -n "$$$$ld_bin" ] || ld_bin=$$$$(find "$(TOPDIR)/staging_dir/host" -maxdepth 3 -type f -name lld | head -n1); \
+					fi; \
 				fi; \
 			fi; \
 			[ -x "$$$$ld_bin" ] || { echo "no suitable linker found for $(TARGET_CC)"; exit 1; }; \