File system-libpng.patch of Package java-1_8_0-openj9.15491

--- jdk8/common/autoconf/libraries.m4	2014-09-26 08:45:01.057310067 +0200
+++ jdk8/common/autoconf/libraries.m4	2014-09-26 08:46:38.602049970 +0200
@@ -679,6 +679,47 @@
 
   ###############################################################################
   #
+  # Check for the png library
+  #
+
+  AC_ARG_WITH(libpng, [AS_HELP_STRING([--with-libpng],
+     [use libpng from build system or OpenJDK source (system, bundled) @<:@bundled@:>@])])
+
+  AC_CHECK_LIB(png, png_sig_cmp,
+               [ LIBPNG_FOUND=yes ],
+               [ LIBPNG_FOUND=no ])
+
+  AC_MSG_CHECKING([for which libpng to use])
+
+  # default is bundled
+  DEFAULT_LIBPNG=bundled
+
+  #
+  # if user didn't specify, use DEFAULT_LIBPNG
+  #
+  if test "x${with_libpng}" = "x"; then
+      with_libpng=${DEFAULT_libpng}
+  fi
+
+
+  if test "x${with_libpng}" = "xbundled"; then
+      USE_EXTERNAL_LIBPNG=false
+      AC_MSG_RESULT([bundled])
+  elif test "x${with_libpng}" = "xsystem"; then
+      if test "x${LIBPNG_FOUND}" = "xyes"; then
+          USE_EXTERNAL_LIBPNG=true
+          AC_MSG_RESULT([system])
+      else
+          AC_MSG_RESULT([system not found])
+          AC_MSG_ERROR([--with-libpng=system specified, but no libpng found!])
+      fi
+  else
+      AC_MSG_ERROR([Invalid value of --with-libpng: ${with_libpng}, use 'system' or 'bundled'])
+  fi
+  AC_SUBST(USE_EXTERNAL_LIBPNG)
+
+  ###############################################################################
+  #
   # Check for the zlib library
   #
 
--- jdk8/common/autoconf/spec.gmk.in	2014-09-26 08:45:01.057310067 +0200
+++ jdk8/common/autoconf/spec.gmk.in	2014-09-26 08:46:38.603049945 +0200
@@ -555,6 +555,7 @@
 ENABLE_JFR=@ENABLE_JFR@
 ENABLE_INTREE_EC=@ENABLE_INTREE_EC@
 USE_EXTERNAL_LIBJPEG:=@USE_EXTERNAL_LIBJPEG@
+USE_EXTERNAL_LIBPNG:=@USE_EXTERNAL_LIBPNG@
 USE_EXTERNAL_LIBGIF:=@USE_EXTERNAL_LIBGIF@
 USE_EXTERNAL_LIBZ:=@USE_EXTERNAL_LIBZ@
 LIBZIP_CAN_USE_MMAP:=@LIBZIP_CAN_USE_MMAP@
--- jdk8/jdk/make/lib/Awt2dLibraries.gmk	2014-09-26 08:45:00.475323552 +0200
+++ jdk8/jdk/make/lib/Awt2dLibraries.gmk	2014-09-26 08:46:38.603049945 +0200
@@ -1211,7 +1211,6 @@
 ifndef BUILD_HEADLESS_ONLY
   LIBSPLASHSCREEN_DIRS := \
     $(JDK_TOPDIR)/src/share/native/sun/awt/image/jpeg \
-    $(JDK_TOPDIR)/src/share/native/sun/awt/libpng \
     $(JDK_TOPDIR)/src/share/native/sun/awt/splashscreen
 
   ifeq ($(USE_EXTERNAL_LIBGIF), true)
@@ -1228,6 +1227,13 @@
     LIBJPEG_CFLAGS := -I$(JDK_TOPDIR)/src/share/native/sun/awt/image/jpeg
   endif
 
+  ifeq ($(USE_EXTERNAL_LIBPNG), true)
+    LIBPNG_LDFLAGS := -lpng
+  else
+    LIBSPLASHSCREEN_DIRS += $(JDK_TOPDIR)/src/share/native/sun/awt/image/libpng
+    LIBPNG_CFLAGS := -I$(JDK_TOPDIR)/src/share/native/sun/awt/libpng
+  endif
+
   ifneq ($(OPENJDK_TARGET_OS), macosx)
     LIBSPLASHSCREEN_DIRS += $(JDK_TOPDIR)/src/$(OPENJDK_TARGET_OS_API_DIR)/native/sun/awt/splashscreen
   else
@@ -1291,12 +1297,12 @@
       LANG := C, \
       OPTIMIZATION := LOW, \
       CFLAGS := $(LIBSPLASHSCREEN_CFLAGS) $(CFLAGS_JDKLIB) \
-                $(GIFLIB_CFLAGS) $(LIBJPEG_CFLAGS), \
+                $(GIFLIB_CFLAGS) $(LIBJPEG_CFLAGS) $(LIBPNG_CFLAGS), \
       MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libsplashscreen/mapfile-vers, \
       LDFLAGS := $(LDFLAGS_JDKLIB) \
           $(call SET_SHARED_LIBRARY_ORIGIN), \
       LDFLAGS_SUFFIX := $(LIBSPLASHSCREEN_LDFLAGS_SUFFIX) $(LIBZ) \
-                        $(GIFLIB_LDFLAGS) $(LIBJPEG_LDFLAGS), \
+                        $(GIFLIB_LDFLAGS) $(LIBJPEG_LDFLAGS) $(LIBPNG_LDFLAGS), \
       LDFLAGS_SUFFIX_solaris := -lc, \
       VERSIONINFO_RESOURCE := $(JDK_TOPDIR)/src/windows/resource/version.rc, \
       RC_FLAGS := $(RC_FLAGS) \
--- jdk8/jdk/src/share/native/sun/awt/splashscreen/splashscreen_png.c	2014-09-26 08:45:00.414324966 +0200
+++ jdk8/jdk/src/share/native/sun/awt/splashscreen/splashscreen_png.c	2014-09-26 08:46:38.603049945 +0200
@@ -25,8 +25,7 @@
 
 #include "splashscreen_impl.h"
 
-#include "../libpng/png.h"
-
+#include <png.h>
 #include <setjmp.h>
 
 #define SIG_BYTES 8
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