x86, build: copy ldlinux.c32 to image.iso

For newer versions of Syslinux, we need ldlinux.c32 in addition to
isolinux.bin to reside on the boot disk, so if the latter is found,
copy it, too, to the isoimage tree.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Linux Stable Tree <stable@vger.kernel.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index 700a9c6e6159..be8e688fa0d4 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -162,6 +162,9 @@ isoimage: $(obj)/bzImage
         for i in lib lib64 share end ; do \
                 if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
                         cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
+                        if [ -f /usr/$$i/syslinux/ldlinux.c32 ]; then \
+                                cp /usr/$$i/syslinux/ldlinux.c32 $(obj)/isoimage ; \
+                        fi ; \
                         break ; \
                 fi ; \
                 if [ $$i = end ] ; then exit 1 ; fi ; \