--- a/make/autoconf/flags-ldflags.m4	Thu Sep 20 21:47:13 2018 +0200
+++ b/make/autoconf/flags-ldflags.m4	Thu Sep 20 22:01:12 2018 +0200
@@ -51,9 +51,7 @@
 
   FLAGS_SETUP_LDFLAGS_CPU_DEP([BUILD], [OPENJDK_BUILD_])
 
-  LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB"
-  LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE ${TARGET_LDFLAGS_JDK_LIBPATH}"
-  AC_SUBST(LDFLAGS_TESTLIB)
+  LDFLAGS_TESTEXE="${TARGET_LDFLAGS_JDK_LIBPATH}"
   AC_SUBST(LDFLAGS_TESTEXE)
 ])
 
@@ -74,14 +72,12 @@
     # Add -z defs, to forbid undefined symbols in object files.
     BASIC_LDFLAGS="$BASIC_LDFLAGS -Wl,-z,defs"
 
-    BASIC_LDFLAGS_JVM_ONLY="-Wl,-z,noexecstack -Wl,-O1 -Wl,-z,relro"
+    BASIC_LDFLAGS_JVM_ONLY="-Wl,-O1 -Wl,-z,relro"
 
-    BASIC_LDFLAGS_JDK_LIB_ONLY="-Wl,-z,noexecstack"
-    LIBJSIG_NOEXECSTACK_LDFLAGS="-Wl,-z,noexecstack"
 
   elif test "x$TOOLCHAIN_TYPE" = xclang; then
     BASIC_LDFLAGS_JVM_ONLY="-mno-omit-leaf-frame-pointer -mstack-alignment=16 \
-        -stdlib=libc++ -fPIC"
+        -fPIC"
 
   elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
     BASIC_LDFLAGS="-Wl,-z,defs"
@@ -94,7 +90,8 @@
   elif test "x$TOOLCHAIN_TYPE" = xxlc; then
     BASIC_LDFLAGS="-b64 -brtl -bnolibpath -bexpall -bernotok -btextpsize:64K \
         -bdatapsize:64K -bstackpsize:64K"
-    BASIC_LDFLAGS_JVM_ONLY="-Wl,-lC_r"
+    # libjvm.so has gotten too large for normal TOC size; compile with qpic=large and link with bigtoc
+    BASIC_LDFLAGS_JVM_ONLY="-Wl,-lC_r -bbigtoc"
 
   elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
     BASIC_LDFLAGS="-nologo -opt:ref"
@@ -102,6 +99,12 @@
     BASIC_LDFLAGS_JVM_ONLY="-opt:icf,8 -subsystem:windows"
   fi
 
+  if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
+    if test -n "$HAS_NOEXECSTACK"; then
+      BASIC_LDFLAGS="$BASIC_LDFLAGS -Wl,-z,noexecstack"
+    fi
+  fi
+
   # Setup OS-dependent LDFLAGS
   if test "x$TOOLCHAIN_TYPE" = xclang || test "x$TOOLCHAIN_TYPE" = xgcc; then
     if test "x$OPENJDK_TARGET_OS" = xmacosx; then