--- old/common/autoconf/flags.m4	2015-05-11 14:26:57.419853388 +0200
+++ new/common/autoconf/flags.m4	2015-05-11 14:26:57.323849396 +0200
@@ -523,6 +523,10 @@
   #    CXXFLAGS_JDK  - C++ Compiler flags
   #    COMMON_CCXXFLAGS_JDK - common to C and C++
   if test "x$TOOLCHAIN_TYPE" = xgcc; then
+    if test "x$OPENJDK_TARGET_CPU" = xx86; then
+      # Force compatibility with i586 on 32 bit intel platforms.
+      COMMON_CCXXFLAGS="${COMMON_CCXXFLAGS} -march=i586"
+    fi
     COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
         -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
     case $OPENJDK_TARGET_CPU_ARCH in