http://mail.openjdk.java.net/pipermail/jdk9-dev/2015-October/002936.html
till seen with b87. The current makefile has a typo, referencing the wrong file.

Please create a ticket and a webrev. I don't have access to these tools.

Matthias

libjpeg-fix.diff

# DP: Fix libjavajpeg build using the system jpeg library.

Index: b/jdk/make/lib/Awt2dLibraries.gmk
===================================================================
--- a/jdk/make/lib/Awt2dLibraries.gmk
+++ b/jdk/make/lib/Awt2dLibraries.gmk
@@ -476,7 +476,7 @@ endif
 ifeq ($(USE_EXTERNAL_LIBJPEG), true)
   LIBJPEG_LIBS := -ljpeg
   BUILD_LIBJAVAJPEG_INCLUDE_FILES := \
- imageIOJPEG.c \
+ imageioJPEG.c \
       jpegdecoder.c
   BUILD_LIBJAVAJPEG_HEADERS :=
 else