Demo.gmk

#
# Copyright (c) 2004, 2010, 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.
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# 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
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# accompanied this code).
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# 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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# JDK Demo building jar file.
  
# Some names are defined with LIBRARY inside the Defs.gmk file
LIBRARY=$(DEMONAME)
OBJDIR=$(TEMPDIR)/$(DEMONAME)

# Input:
#    DEMONAME           - name of the demo
#    DEMO_ROOT          - path to root of all demo files
#    DEMO_DESTDIR       - path to final demo destination directory
#
# Optional Input:
#    DEMO_SRCDIR        - path to source if different from DEMO_ROOT
#    DEMO_PSRCDIR       - path to additional platform specific source
#    DEMO_PKGDIR        - sub directory of sources we want
#    DEMO_TOPFILES      - names of top-level files relative to DEMO_ROOT
#    DEMO_MAINCLASS     - name of the main class for the jar manifest
#    DEMO_NATIVECLASS   - name of the class with native methods
#    DEMO_DESCRIPTOR    - name of service file for jar (relative to DEMO_SRCDIR)
#    DEMO_EXTRA_SRCDIR  - path to directory that holds extra sources to add
#    DEMO_EXTRA_FILES   - extra sources relative to DEMO_EXTRA_SRCDIR
#    DEMO_OBJECTS       - extra native object files needed
#    DEMO_MANIFEST_ATTR - extra line to add to the jar manifest file

# Assume the source directory is the root directory if not set
ifndef DEMO_SRCDIR
  DEMO_SRCDIR = $(DEMO_ROOT)
endif
ifndef DEMO_PKGDIR
  DEMO_PKGDIR = .
endif

# Some demos have special needs
ifneq ($(DEMONAME),agent_util)
  DEMO_NEEDS_AGENT_UTIL    = $(findstring agent_util,$(DEMO_OBJECTS))
endif
ifneq ($(DEMONAME),java_crw_demo)
  DEMO_NEEDS_JAVA_CRW_DEMO = $(findstring java_crw_demo,$(DEMO_OBJECTS))
endif
ifeq ($(DEMONAME),hprof)
  DEMO_NEEDS_NPT           = true
endif

# Place to hold the build area (kind of a temp area)
DEMO_BUILD_AREA     = $(DEMOCLASSDIR)/$(PRODUCT)/$(DEMONAME)

# Destination "src" directory
DEMO_BUILD_SRCDIR     = $(DEMO_BUILD_AREA)/src

ifndef DEMO_SKIP_SRCZIP
  DEMO_BUILD_SRCZIP     = $(DEMO_BUILD_AREA)/src.zip
  DEMO_SOURCE_ZIP       = $(DEMO_DESTDIR)/src.zip
endif

# Place to hold the jar image we are creating
DEMO_JAR_IMAGE      = $(DEMO_BUILD_AREA)/jar_image

# The jar manifest file we will create and use
DEMO_MANIFEST       = $(DEMO_BUILD_AREA)/manifest.mf

# The list of source files or options we will supply to javac
DEMO_JAVAC_INPUT    = $(DEMO_BUILD_AREA)/javac_input.txt

# Any name of javah file
DEMO_JAVAH_FILE = $(DEMO_NATIVECLASS:%=$(DEMO_BUILD_SRCDIR)/%.h)

# Get complete list of files for this demo
ifdef DEMO_PSRCDIR
  DEMO_ALL_FILES2  := $(shell ( $(CD) $(DEMO_PSRCDIR) \
    && $(FIND) $(DEMO_PKGDIR) $(SCM_DIRS_prune) -o -type f -print ) \
    | $(SED) 's@^\./@@' )
  DEMO_ALL_FILES   += $(DEMO_ALL_FILES2)
endif
ifdef DEMO_EXTRA_SRCDIR
  DEMO_ALL_FILES   += $(DEMO_EXTRA_FILES)
endif
DEMO_ALL_FILES1    := $(shell ( $(CD) $(DEMO_SRCDIR) \
  && $(FIND) $(DEMO_PKGDIR) $(SCM_DIRS_prune) -o -type f -print ) \
  | $(SED) 's@^\./@@' )
DEMO_ALL_FILES      += $(DEMO_ALL_FILES1)

# Just the java sources
DEMO_JAVA_SOURCES = $(filter %.java,$(DEMO_ALL_FILES))

# Just the C and C++ sources
DEMO_C_SRC_FILES   = $(filter %.c,$(DEMO_ALL_FILES))
DEMO_CPP_SRC_FILES = $(filter %.cpp,$(DEMO_ALL_FILES))

# All the native source files
DEMO_ALL_NATIVE_SOURCES  = $(DEMO_C_SRC_FILES)
DEMO_ALL_NATIVE_SOURCES += $(DEMO_CPP_SRC_FILES)
DEMO_ALL_NATIVE_SOURCES += $(filter %.h,$(DEMO_ALL_FILES))
DEMO_ALL_NATIVE_SOURCES += $(filter %.hpp,$(DEMO_ALL_FILES))

# If we have java sources, then define the jar file we will create
ifneq ($(strip $(DEMO_JAVA_SOURCES)),)
  DEMO_JAR            = $(DEMO_DESTDIR)/$(DEMONAME).jar
endif

# If we have native sources, define the native library we will create
ifneq ($(strip $(DEMO_ALL_NATIVE_SOURCES)),)
  # Path to native library we will create
  DEMO_LIBRARY = \
      $(DEMO_DESTDIR)/lib$(ISA_DIR)/$(LIB_PREFIX)$(DEMONAME).$(LIBRARY_SUFFIX)
  # C and C++ compiler flags we need to add to standard flags
  DEMO_CPPFLAGS     += -I$(DEMO_BUILD_SRCDIR)
  # If the npt library is used we need to find the npt.h file
  ifneq ($(DEMO_NEEDS_NPT),)
    # The npt library is delivered as part of the JRE
    DEMO_CPPFLAGS   += -I$(SHARE_SRC)/npt -I$(PLATFORM_SRC)/npt
  endif
  # Is the shared agent_util code needed
  ifneq ($(DEMO_NEEDS_AGENT_UTIL),)
    DEMO_FULL_SOURCES  += $(DEMO_BUILD_SRCDIR)/agent_util.c
    DEMO_FULL_SOURCES  += $(DEMO_BUILD_SRCDIR)/agent_util.h
  endif
  # Is the shared java_crw_demo code needed
  ifneq ($(DEMO_NEEDS_JAVA_CRW_DEMO),)
    DEMO_FULL_SOURCES  += $(DEMO_BUILD_SRCDIR)/java_crw_demo.c
    DEMO_FULL_SOURCES  += $(DEMO_BUILD_SRCDIR)/java_crw_demo.h
  endif
  # All the native object files we need to build the library
  DEMO_OBJECTS += $(DEMO_C_SRC_FILES:%.c=%.$(OBJECT_SUFFIX)) \
                  $(DEMO_CPP_SRC_FILES:%.cpp=%.$(OBJECT_SUFFIX))
  # Linking is special depending on whether we had C++ code or on windows
  DEMO_NEEDS_CPP = $(strip $(DEMO_CPP_SRC_FILES))
  CPPFLAGS      += $(DEMO_CPPFLAGS)
  ifeq ($(PLATFORM),windows)
    # Note: This is a link with cl.exe, not link.exe, options differ quite
    #       bit between them.
    LINK.demo   = $(LINK.c)
    LDLIBS.demo = $(EXTRA_LIBS) $(LFLAGS_$(COMPILER_VERSION))
  else
    ifneq ($(DEMO_NEEDS_CPP),)
      LINK.demo   = $(LINK.cpp)
      LDLIBS.demo = $(LIBCXX)
      ifeq ($(PLATFORM),solaris)
        LDLIBS.demo += -lc
      endif
    else
      LINK.demo   = $(LINK.c)
      LDLIBS.demo = $(LDLIBS)
    endif
  endif
endif

# Files that are considered resources (need to be in the jar file)
DEMO_RESOURCES        += $(filter-out %.java,$(DEMO_ALL_FILES))

# All destination files (top level readme files and all sources)
#   Note: We exclude the topfiles from the src tree.
DEMO_DEST_TOPFILES     = $(DEMO_TOPFILES:%=$(DEMO_DESTDIR)/%)
DEMO_FILTERED_SOURCES  = $(filter-out $(DEMO_TOPFILES),$(DEMO_ALL_FILES))
DEMO_FULL_SOURCES     += $(DEMO_FILTERED_SOURCES:%=$(DEMO_BUILD_SRCDIR)/%)

# Default rule
all: build demo_info

# Used to populate the destination directories
$(DEMO_DESTDIR)/%: $(DEMO_ROOT)/%
	$(install-file)
ifneq ($(DEMO_SRCDIR),$(DEMO_ROOT))
$(DEMO_DESTDIR)/%: $(DEMO_SRCDIR)/%
	$(install-file)
endif
$(DEMO_BUILD_SRCDIR)/%: $(DEMO_SRCDIR)/%
	$(install-file)
ifdef DEMO_PSRCDIR
$(DEMO_BUILD_SRCDIR)/%: $(DEMO_PSRCDIR)/%
	$(install-file)
endif
ifdef DEMO_EXTRA_SRCDIR
$(DEMO_BUILD_SRCDIR)/%: $(DEMO_EXTRA_SRCDIR)/%
	$(install-file)
endif
ifneq ($(DEMO_NEEDS_AGENT_UTIL),)
$(DEMO_BUILD_SRCDIR)/%: $(DEMO_SRCDIR)/../agent_util/%
	$(install-file)
endif
ifneq ($(DEMO_NEEDS_JAVA_CRW_DEMO),)
$(DEMO_BUILD_SRCDIR)/%: $(DEMO_SRCDIR)/../java_crw_demo/%
	$(install-file)
endif

# Jar manifest file
$(DEMO_MANIFEST): 
	@$(prep-target)
	$(ECHO) "Main-Class: $(DEMO_MAINCLASS)" > $@
ifdef DEMO_MANIFEST_ATTR
	$(ECHO) "$(DEMO_MANIFEST_ATTR)" >> $@
endif

# Populating the jar image directory
$(DEMO_JAR_IMAGE)/%: $(DEMO_SRCDIR)/%
	$(install-file)
ifdef DEMO_PSRCDIR
$(DEMO_JAR_IMAGE)/%: $(DEMO_PSRCDIR)/%
	$(install-file)
endif
ifdef DEMO_EXTRA_SRCDIR
$(DEMO_JAR_IMAGE)/%: $(DEMO_EXTRA_SRCDIR)/%
	$(install-file)
endif
ifdef DEMO_DESCRIPTOR
$(DEMO_JAR_IMAGE)/META-INF/services/$(DEMO_DESCRIPTOR): \
    $(DEMO_SRCDIR)/$(DEMO_DESCRIPTOR)
	$(install-file)
endif

# If we are creating a jar file (we have java code)
ifdef DEMO_JAR

# Input file for javac
$(DEMO_JAVAC_INPUT): $(DEMO_JAVA_SOURCES:%=$(DEMO_BUILD_SRCDIR)/%)
	@$(prep-target)
	@for i in $(DEMO_JAVA_SOURCES) ; do \
	  $(ECHO) "$(DEMO_BUILD_SRCDIR)/$$i" >> $@ ; \
	done

# Jar file creation
$(DEMO_JAR): \
    $(DEMO_JAVAC_INPUT) \
    $(DEMO_MANIFEST) \
    $(DEMO_DESCRIPTOR:%=$(DEMO_JAR_IMAGE)/META-INF/services/%) \
    $(DEMO_RESOURCES:%=$(DEMO_JAR_IMAGE)/%)
	@$(prep-target)
	$(MKDIR) -p $(DEMO_JAR_IMAGE)
	$(JAVAC_CMD) -d $(DEMO_JAR_IMAGE) -sourcepath $(DEMO_BUILD_SRCDIR) \
	    @$(DEMO_JAVAC_INPUT)
	$(BOOT_JAR_CMD) -cfm $@ $(DEMO_MANIFEST) \
	     -C $(DEMO_JAR_IMAGE) . \
	     $(BOOT_JAR_JFLAGS)
	@$(java-vm-cleanup)

endif

ifndef DEMO_SKIP_SRCZIP
  # Create a src.zip file
  $(DEMO_BUILD_SRCZIP): $(DEMO_FULL_SOURCES)
	@$(prep-target)
	$(CD) $(DEMO_BUILD_AREA)/src && $(ZIPEXE) -q -r ../$(@F) .

  # Install the destination src.zip file and create the src tree
  $(DEMO_SOURCE_ZIP): $(DEMO_BUILD_SRCZIP)
	$(install-file)
endif

# Native library building
ifdef DEMO_LIBRARY

  # Full paths to object files
  DEMO_FULL_OBJECTS = $(DEMO_OBJECTS:%=$(OBJDIR)/%)
  VPATH=

# Native compile rules
$(OBJDIR)/%.$(OBJECT_SUFFIX): $(DEMO_BUILD_SRCDIR)/%.c
	@$(prep-target)
	$(COMPILE.c) $(CC_OBJECT_OUTPUT_FLAG)$@ $<
  ifneq ($(DEMO_NEEDS_CPP),)
$(OBJDIR)/%.$(OBJECT_SUFFIX): $(DEMO_BUILD_SRCDIR)/%.cpp
	@$(prep-target)
	$(COMPILE.cpp) $(CC_OBJECT_OUTPUT_FLAG)$@ $<
  endif

  # Actual creation of the native shared library (C++ and C are different)
$(DEMO_LIBRARY): $(DEMO_FULL_OBJECTS)
	@$(prep-target)
	$(LINK.demo) $(SHARED_LIBRARY_FLAG) $(CC_PROGRAM_OUTPUT_FLAG)$@ \
	    $(DEMO_FULL_OBJECTS) $(LDLIBS.demo)
	@$(call binary_file_verification,$@)

  # Generation of any javah include file, make sure objects are dependent on it
  ifdef DEMO_NATIVECLASS
$(DEMO_JAVAH_FILE): $(DEMO_JAR)
	@$(prep-target)
	$(JAVAH_CMD) -d $(DEMO_BUILD_SRCDIR) -classpath $(DEMO_JAR) \
	    $(DEMO_NATIVECLASS)
	@$(java-vm-cleanup)
$(DEMO_FULL_OBJECTS): $(DEMO_JAVAH_FILE)
  endif

endif

# Build involves populating the destination "src" tree, building the jar and
#     native library, and creating a source bundle

sources:  $(DEMO_FULL_SOURCES)
	@$(ECHO) "Created $@"

objects: 
	@$(ECHO) "Created $@"

# Why the nested make here? It only works this way, don't know why.
bundles: $(DEMO_BUILD_SRCZIP)
	$(RM) -r $(DEMO_DESTDIR)
	$(MKDIR) -p $(DEMO_DESTDIR)
	$(MAKE) $(DEMO_LIBRARY) $(DEMO_JAR) $(DEMO_SOURCE_ZIP) $(DEMO_DEST_TOPFILES)
# Applets are special, no jar file, no src.zip, everything expanded.
ifdef DEMO_IS_APPLET
	@$(ECHO) "Expanding jar file into demos area at $(DEMO_DESTDIR)"
	( $(CD) $(DEMO_DESTDIR) && \
	  $(BOOT_JAR_CMD) -xfv $(DEMONAME).jar \
	     $(BOOT_JAR_JFLAGS) && \
	  $(RM) -r META-INF $(DEMONAME).jar  && \
	  $(java-vm-cleanup) )
	@( $(CD) $(DEMO_DESTDIR) && $(java-vm-cleanup) )
	@$(ECHO) "Expanding source into demos area at $(DEMO_DESTDIR)"
	( $(CD) $(DEMO_DESTDIR) && $(UNZIP) -o src.zip && $(RM) src.zip )
endif

build: sources bundles

# Printing out a demo information line
define printDemoSetting
if [ "$2" != "" ] ; then $(PRINTF) "%-20s %s\n" "$1:" "$2"; fi
endef

# Print out the demo information
demo_info:
	@$(ECHO) "========================================================="
	@$(call printDemoSetting,DEMONAME,$(DEMONAME))
	@$(call printDemoSetting,DEMO_ROOT,$(DEMO_ROOT))
	@$(call printDemoSetting,DEMO_SRCDIR,$(DEMO_SRCDIR))
	@$(call printDemoSetting,DEMO_DESTDIR,$(DEMO_DESTDIR))
	@$(call printDemoSetting,DEMO_JAR,$(DEMO_JAR))
	@$(call printDemoSetting,DEMO_MANIFEST_ATTR,$(DEMO_MANIFEST_ATTR))
	@$(call printDemoSetting,DEMO_PSRCDIR,$(DEMO_PSRCDIR))
	@$(call printDemoSetting,DEMO_EXTRA_SRCDIR,$(DEMO_EXTRA_SRCDIR))
	@$(call printDemoSetting,DEMO_EXTRA_FILES,$(DEMO_EXTRA_FILES))
	@$(call printDemoSetting,DEMO_TOPFILES,$(DEMO_TOPFILES))
	@$(call printDemoSetting,DEMO_MAINCLASS,$(DEMO_MAINCLASS))
	@$(call printDemoSetting,DEMO_DESCRIPTOR,$(DEMO_DESCRIPTOR))
	@$(call printDemoSetting,DEMO_NATIVECLASS,$(DEMO_NATIVECLASS))
	@$(call printDemoSetting,DEMO_LIBRARY,$(DEMO_LIBRARY))
	@$(call printDemoSetting,DEMO_OBJECTS,$(DEMO_OBJECTS))
	@$(call printDemoSetting,DEMO_SOURCE_ZIP,$(DEMO_SOURCE_ZIP))
	@$(ECHO) "========================================================="

# Clean rule
clean clobber:
	$(RM) -r $(DEMO_BUILD_AREA)
	$(RM) -r $(DEMO_DESTDIR)

# This should not be needed, but some versions of GNU make have a bug that
#   sometimes deleted these files  for some strange  and unknown reason 
#   (GNU make version 3.78.1 has the problem, GNU make version 3.80 doesn't?)
.PRECIOUS: $(DEMO_FULL_SOURCES) $(DEMO_BUILD_SRCZIP) $(DEMO_SOURCE_ZIP)

# List phony targets
.PHONY: all build clean clobber demo_info \
	sources bundles