From 789ac8b2768671ec83a7ed4a72c5fe27a1734c5e Mon Sep 17 00:00:00 2001
From: Magnus Ihse Bursie <ihse@openjdk.org>
Date: Wed, 29 May 2024 19:51:07 +0000
Subject: [PATCH] 8333189: Make sure clang on linux uses lld as linker

Reviewed-by: jiangli, erikj
---
 make/autoconf/flags-ldflags.m4                            | 2 +-
 make/data/hotspot-symbols/version-script-clang.txt        | 8 ++++++++
 .../{version-script.txt => version-script-gcc.txt}        | 0
 make/hotspot/lib/CompileJvm.gmk                           | 2 +-
 4 files changed, 10 insertions(+), 2 deletions(-)
 create mode 100644 make/data/hotspot-symbols/version-script-clang.txt
 rename make/data/hotspot-symbols/{version-script.txt => version-script-gcc.txt} (100%)

diff --git a/make/autoconf/flags-ldflags.m4 b/make/autoconf/flags-ldflags.m4
index c4a75fb89c3..a2d0d4e606a 100644
--- a/make/autoconf/flags-ldflags.m4
+++ b/make/autoconf/flags-ldflags.m4
@@ -71,7 +71,7 @@ AC_DEFUN([FLAGS_SETUP_LDFLAGS_HELPER],
     LDFLAGS_CXX_PARTIAL_LINKING="$MACHINE_FLAG -r"
 
     if test "x$OPENJDK_TARGET_OS" = xlinux; then
-      BASIC_LDFLAGS="-Wl,--exclude-libs,ALL"
+      BASIC_LDFLAGS="-fuse-ld=lld -Wl,--exclude-libs,ALL"
     fi
     if test "x$OPENJDK_TARGET_OS" = xaix; then
       BASIC_LDFLAGS="-Wl,-b64 -Wl,-brtl -Wl,-bnorwexec -Wl,-bnolibpath -Wl,-bnoexpall \
diff --git a/make/data/hotspot-symbols/version-script-clang.txt b/make/data/hotspot-symbols/version-script-clang.txt
new file mode 100644
index 00000000000..351d64fdd1d
--- /dev/null
+++ b/make/data/hotspot-symbols/version-script-clang.txt
@@ -0,0 +1,8 @@
+SUNWprivate_1.1 {
+  global:
+    *;
+
+  local:
+    _fini;
+    _init;
+};
diff --git a/make/data/hotspot-symbols/version-script.txt b/make/data/hotspot-symbols/version-script-gcc.txt
similarity index 100%
rename from make/data/hotspot-symbols/version-script.txt
rename to make/data/hotspot-symbols/version-script-gcc.txt
diff --git a/make/hotspot/lib/CompileJvm.gmk b/make/hotspot/lib/CompileJvm.gmk
index ad374d57cee..dff7a159ae5 100644
--- a/make/hotspot/lib/CompileJvm.gmk
+++ b/make/hotspot/lib/CompileJvm.gmk
@@ -154,7 +154,7 @@ ifeq ($(call isTargetOs, windows), true)
 endif
 
 ifeq ($(call isTargetOs, linux), true)
-  HOTSPOT_VERSION_SCRIPT := $(TOPDIR)/make/data/hotspot-symbols/version-script.txt
+  HOTSPOT_VERSION_SCRIPT := $(TOPDIR)/make/data/hotspot-symbols/version-script-$(TOOLCHAIN_TYPE).txt
 
   JVM_LDFLAGS += -Wl,-version-script=$(HOTSPOT_VERSION_SCRIPT)
 endif