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Known Build Problems

x86_64 Linux

libspashscreen / libpng Error

When building jdk7/build/linux-amd64/lib/amd64/libsplashscreen.so, a series of link errors occur, such as this one:

jdk7/build/linux-amd64/tmp/sun/sun.awt/splashscreen/obj64/png.o(.text+0xc3c): In function `png_init_mmx_flags':
: undefined reference to `png_mmx_support'

It has been reported that this problem is fixed internally, but hasn't been integrated into the public mercurial repo yet: http://mail.openjdk.java.net/pipermail/discuss/2007-December/000945.html

In the meantime, there is workaround. Here is a simple patch:

--- jdk/make/sun/splashscreen/Makefile~ 2008-02-01 04:18:40.000000000 -0500
+++ jdk/make/sun/splashscreen/Makefile  2008-02-07 15:50:54.000000000 -0500
@@ -59,7 +59,7 @@
 # C Flags
 #

-CFLAGS += -DSPLASHSCREEN
+CFLAGS += -DSPLASHSCREEN -DPNG_NO_MMX_CODE

 ifneq ($(PLATFORM), windows)
   CFLAGS += -DWITH_X11
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