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+# Mention default target.
+all:
+
+# Implicit rule to compile C++ files. Modify to your taste.
+%.o: %.cc
+ g++ -c -O2 -Wall -Wextra -pedantic $<
+
+# Components of the library.
+library-objects = \
+ BigUnsigned.o \
+ BigInteger.o \
+ BigIntegerAlgorithms.o \
+ BigUnsignedInABase.o \
+ BigIntegerUtils.o \
+
+library-headers = \
+ NumberlikeArray.hh \
+ BigUnsigned.hh \
+ BigInteger.hh \
+ BigIntegerAlgorithms.hh \
+ BigUnsignedInABase.hh \
+ BigIntegerLibrary.hh \
+
+# To ``make the library'', make all its objects using the implicit rule.
+library: $(library-objects)
+
+# Conservatively assume that all the objects depend on all the headers.
+$(library-objects): $(library-headers)
+
+# TESTSUITE (NOTE: Currently expects a 32-bit system)
+# Compiling the testsuite.
+testsuite.o: $(library-headers)
+testsuite: testsuite.o $(library-objects)
+ g++ $^ -o $@
+# Extract the expected output from the testsuite source.
+testsuite.expected: testsuite.cc
+ nl -ba -p -s: $< | sed -nre 's,^ +([0-9]+):.*//([^ ]),Line \1: \2,p' >$@
+# Run the testsuite.
+.PHONY: test
+test: testsuite testsuite.expected
+ ./run-testsuite
+testsuite-cleanfiles = \
+ testsuite.o testsuite testsuite.expected \
+ testsuite.out testsuite.err
+
+# The rules below build a program that uses the library. They are preset to
+# build ``sample'' from ``sample.cc''. You can change the name(s) of the
+# source file(s) and program file to build your own program, or you can write
+# your own Makefile.
+
+# Components of the program.
+program = sample
+program-objects = sample.o
+
+# Conservatively assume all the program source files depend on all the library
+# headers. You can change this if it is not the case.
+$(program-objects) : $(library-headers)
+
+# How to link the program. The implicit rule covers individual objects.
+$(program) : $(program-objects) $(library-objects)
+ g++ $^ -o $@
+
+# Delete all generated files we know about.
+clean :
+ rm -f $(library-objects) $(testsuite-cleanfiles) $(program-objects) $(program)
+
+# I removed the *.tag dependency tracking system because it had few advantages
+# over manually entering all the dependencies. If there were a portable,
+# reliable dependency tracking system, I'd use it, but I know of no such;
+# cons and depcomp are almost good enough.
+
+# Come back and define default target.
+all : library $(program)