X-Git-Url: https://mattmccutchen.net/bigint/bigint.git/blobdiff_plain/e67d60496ce8582666f1fb77503acfe5d05c70d4..0afe80d551aa9b66b574b956cf681692399fc728:/Makefile

diff --git a/Makefile b/Makefile
index 8231720..68e7a00 100644
--- a/Makefile
+++ b/Makefile
@@ -1,26 +1,75 @@
-#
-# Matt McCutchen's Big Integer Library
-#
-# Please see the project Web site at
-#    http://mysite.verizon.net/mccutchen/bigint/
-# for more information and the latest version.
-#
-# December 16, 2004 version
-#
+# Mention default target.
+all:
 
-library        : BigUnsigned.o BigInteger.o BigIntegerIO.o
+# Implicit rule to compile C++ files.  Modify to your taste.
+%.o: %.cc
+	g++ -c -O2 -Wall -Wextra -pedantic $<
 
-BigUnsigned.o  : BigUnsigned.h BigUnsigned.cpp
-	g++ -c BigUnsigned.cpp
+# Components of the library.
+library-objects = \
+	BigUnsigned.o \
+	BigInteger.o \
+	BigIntegerAlgorithms.o \
+	BigUnsignedInABase.o \
+	BigIntegerUtils.o \
 
-BigInteger.o   : BigUnsigned.h BigInteger.h BigInteger.cpp
-	g++ -c BigInteger.cpp
+library-headers = \
+	NumberlikeArray.hh \
+	BigUnsigned.hh \
+	BigInteger.hh \
+	BigIntegerAlgorithms.hh \
+	BigUnsignedInABase.hh \
+	BigIntegerLibrary.hh \
 
-BigIntegerIO.o : BigUnsigned.h BigInteger.h BigIntegerIO.cpp
-	g++ -c BigIntegerIO.cpp
+# To ``make the library'', make all its objects using the implicit rule.
+library: $(library-objects)
 
-po3demo        : library PowersOfThreeDemo.cpp
-	g++ -opo3demo BigUnsigned.o BigInteger.o BigIntegerIO.o PowersOfThreeDemo.cpp
+# Conservatively assume that all the objects depend on all the headers.
+$(library-objects): $(library-headers)
 
-clean          :
-	rm -f *.o po3demo
+# TESTSUITE
+# 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
+	sed -nre 's,^.*//,,p' $< >$@
+# Run the testsuite.
+.PHONY: test
+test: testsuite testsuite.expected
+	./testsuite >testsuite.out
+	@if diff -u testsuite.expected testsuite.out; then\
+		echo 'All tests passed.';\
+	else\
+		echo >&2 'At least one test failed!'; exit 1;\
+	fi
+
+# 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) $(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)