#
# Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.  Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
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# questions.
#


# This file is responsible for extracting the x11 native struct offsets to
# the xawt Java library. This is done by compiling and running a native
# binary, which dumps output to a text file. The offsets differ on 32 and 64
# bit systems, so care must be taken here.

# Note: Some of the more complex logic here is most likely not needed anymore.

GENSRC_X11WRAPPERS :=
GENSRC_X11WRAPPERS_TMP := $(JDK_OUTPUTDIR)/gensrc_x11wrappers
GENSRC_X11WRAPPERS_DST := $(JDK_OUTPUTDIR)/gensrc

GENSRC_SIZER_SRC := $(JDK_TOPDIR)/src/solaris/classes/sun/awt/X11/generator

# Normal case is to generate version according to target bits
GENSRC_SIZES := sizes.$(OPENJDK_TARGET_CPU_BITS)

ifeq ($(OPENJDK_TARGET_CPU_BITS), 64)
ifneq ($(OPENJDK_TARGET_OS), linux)
# On all 64-bit systems except Linux, generate both 32 and 64 bit versions
GENSRC_SIZES := sizes.32 sizes.64
endif
else
ifeq ($(OPENJDK_TARGET_OS), solaris)
# As a special case, solaris 32-bit also generates the 64-bit version
GENSRC_SIZES := sizes.32 sizes.64
endif
endif

##########################################################################################

$(GENSRC_X11WRAPPERS_TMP)/sizer/sizer.%.c : $(GENSRC_SIZER_SRC)/xlibtypes.txt $(BUILD_TOOLS)
	$(ECHO) "Generating X11 wrapper ($*-bit version)"
	$(MKDIR) -p $(@D)
	$(RM) $@
	$(TOOL_WRAPPERGENERATOR) $(@D) $< "sizer" $*

$(GENSRC_X11WRAPPERS_TMP)/sizer/sizer.%.exe : $(GENSRC_X11WRAPPERS_TMP)/sizer/sizer.%.c
	$(MKDIR) -p $(@D)
	$(RM) $@ $@.tmp
	(cd $(@D) && $(BUILD_CC) -m$* -o $@.tmp $< \
              -I$(JDK_OUTPUTDIR)/include \
              -I$(JDK_TOPDIR)/src/share/javavm/export \
              -I$(JDK_TOPDIR)/src/$(OPENJDK_TARGET_OS_API_DIR)/javavm/export \
              -I$(JDK_TOPDIR)//src/share/native/common \
              -I$(JDK_TOPDIR)/src/$(OPENJDK_TARGET_OS_API_DIR)/native/common \
              -I$(JDK_TOPDIR)/src/solaris/native/sun/awt \
	      -I$(JDK_TOPDIR)/src/share/native/sun/awt/debug \
	      -I$(JDK_TOPDIR)/src/share/native/sun/awt/image/cvutils -lc)
	$(MV) $@.tmp $@

# Run the generated sizer binary to create the sizes text file
$(GENSRC_X11WRAPPERS_TMP)/sizer/sizes.% : $(GENSRC_X11WRAPPERS_TMP)/sizer/sizer.%.exe
	$(MKDIR) -p $(@D)
	$(RM) $@ $@.tmp
	$< > $@.tmp
	$(MV) $@.tmp $@

ifeq ($(OPENJDK_TARGET_OS)-$(OPENJDK_TARGET_CPU), solaris-x86)
  # On solaris-x86 we also need to create the 64-bit version, but we can't run a 64-bit binary
  # As a workaround, copy this from a pre-generated file.
$(GENSRC_X11WRAPPERS_TMP)/sizer/sizes.64 : $(JDK_TOPDIR)/src/solaris/classes/sun/awt/X11/generator/sizes.64-solaris-i386
	$(MKDIR) -p $(@D)
	$(RM) $@
	$(CP) $< $@
endif

$(GENSRC_X11WRAPPERS_DST)/_the.generated.x11 : $(foreach S,$(GENSRC_SIZES),$(GENSRC_X11WRAPPERS_TMP)/sizer/$(S)) $(BUILD_TOOLS)
	$(RM) $@
	$(MKDIR) -p $(@D)/sun/awt/X11
	$(TOOL_WRAPPERGENERATOR) $(@D)/sun/awt/X11 $(GENSRC_SIZER_SRC)/xlibtypes.txt "gen" $(GENSRC_X11WRAPPERS_TMP)/sizer/sizes
ifeq ($(OPENJDK_TARGET_OS)-$(OPENJDK_TARGET_CPU), solaris-x86_64)
  # On solaris-x86_64, as a safety measure, compare the generated file with the checked-in version 
	$(ECHO) COMPARING $(GENSRC_X11WRAPPERS_TMP)/sizer/sizes.64 and $(GENSRC_SIZER_SRC)/sizes.64-solaris-i386
	$(DIFF) $(GENSRC_X11WRAPPERS_TMP)/sizer/sizes.64 $(GENSRC_SIZER_SRC)/sizes.64-solaris-i386
endif
	$(TOUCH) $@

GENSRC_X11WRAPPERS += $(GENSRC_X11WRAPPERS_DST)/_the.generated.x11