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# This Makefile is used when building with gcj.  It is separate from

# the ordinary Makefile as it does special GNU-make-specific things,

# and this avoids making other builds unnecessarily ugly.

# A .list file is made by split-for-gcj.sh.

# It lists all the files in a given package.

all_list_files := $(shell echo lists/*.list)

# The corresponding stamp files.

# Each .class file depends on its package's stamp file.

# Each stamp file depends on the corresponding list file.

# Each list file depends on the java files in its package.

# This way touching a single java source will cause the minimum

# number of rebuilds.

all_stamp_files := $(all_list_files:.list=.stamp)

# The dependency file generated by gcj.

all_deps_files := $(all_list_files:.list=.deps)

all: $(all_stamp_files)

# Ensure this is rebuilt whenever the list of classes changes.

# The list will always exist when this Makefile is used.

Makefile.deps: classes

        $(SHELL) $(top_srcdir)/lib/split-for-gcj.sh

-include Makefile.deps $(all_deps_files)

## Like GCJ but include some common flags.

GCJF = $(GCJ) -fsource=1.5 -ftarget=1.5 -g -Wno-deprecated --encoding=UTF-8 \

    --bootclasspath '' --classpath $(compile_classpath) \

    -C -d .

# Rule to rebuild a stamp file and update the deps file.  Note that we

# make the target be the stamp file.  This ensures that if a needed

# source is changed, this rule is re-run for the appropriate package.

%.stamp: %.list

        $(GCJF) -MD -MF ${@:.stamp=.deps} -MT $@ -MP @$<

        echo timestamp > $@