amath/configure

#!/bin/sh
# 
# Copyright (c) 2014 Poul-Henning Kamp
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
# 
# Handwritten configure script.
# =============================
#
# Before you suggest I use tools for this, please read:
#
#	https://www.varnish-cache.org/docs/trunk/phk/autocrap.html
# and
#	http://queue.acm.org/detail.cfm?id=2349257
#

set -e

# List of .h files
# NB: These SHALL always be included with #include "..."

HDRS='
	arc/aos/gui/agraph.h
	arc/aos/gui/awindow.h
	arc/aos/sys/aconsole.h
	arc/aos/sys/afilesystem.h
	arc/aos/sys/aproc.h
	arc/aos/sys/atask.h
	arc/stdc/cconsole.h
	arc/stdc/cfilesystem.h
	arc/stdc/ctask.h
	def/doc.h
	def/help.h
	def/io.h
	def/lex.h
	def/libc.h
	def/mem.h
	def/text.h
	def/xdef.h
	io/console.h
	io/filesystem.h
	io/task.h
	io/thread.h
	lib/aengine.h
	lib/charbuf.h
	lib/cplex.h
	lib/fgrid.h
	lib/graph.h
	lib/ntext.h
	lib/numb.h
	lib/real.h
	lib/dconv/dragon4.h
	lib/dconv/math.h
	lib/dconv/print.h
	lib/dconv/standard.h
	libm/cfunc.h
	libm/cprim.h
	libm/rfunc.h
	libm/rprim.h
	main/evaluator.h
	main/functiondefs.h
	main/functions.h
	main/graphlist.h
	main/lexer.h
	main/nodes.h
	main/operators.h
	main/optimizer.h
	main/parser.h
	main/statements.h
	main/token.h
	main/values.h
	main/viewer.h
	prog/cli.h
	prog/program.h
	prog/test.h
'

# List of .cpp files

SRCS='
	arc/aos/sys/aconsole.cpp
	arc/aos/sys/afilesystem.cpp
	arc/aos/sys/aproc.cpp
	arc/aos/sys/atask.cpp
	arc/aos/gui/agraph.cpp
	arc/aos/gui/awindow.cpp
	arc/stdc/cconsole.cpp
	arc/stdc/cfilesystem.cpp
	arc/stdc/ctask.cpp
	io/console.cpp
	lib/aengine.cpp
	lib/charbuf.cpp
	lib/cplex.cpp
	lib/fgrid.cpp
	lib/graph.cpp
	lib/ntext.cpp
	lib/real.cpp
	lib/dconv/dragon4.cpp
	lib/dconv/math.cpp
	lib/dconv/print.cpp
	libc/calloc.cpp
	libc/memcpy.cpp
	libc/memset.cpp
	libc/strcmp.cpp
	libc/strlen.cpp
	libm/real/acos.cpp
	libm/real/acosh.cpp
	libm/real/asin.cpp
	libm/real/asinh.cpp
	libm/real/atan.cpp
	libm/real/atan2.cpp
	libm/real/atanh.cpp
	libm/real/cbrt.cpp
	libm/real/ceil.cpp
	libm/real/cos.cpp
	libm/real/cosh.cpp
	libm/real/exp.cpp
	libm/real/expm1.cpp
	libm/real/floor.cpp
	libm/real/fmod.cpp
	libm/real/hypot.cpp
	libm/real/kcos.cpp
	libm/real/kremp2.cpp
	libm/real/ksin.cpp
	libm/real/ktan.cpp
	libm/real/log.cpp
	libm/real/log10.cpp
	libm/real/log1p.cpp
	libm/real/pow.cpp
	libm/real/remp2.cpp
	libm/real/scalbn.cpp
	libm/real/sin.cpp
	libm/real/sinh.cpp
	libm/real/sqrt.cpp
	libm/real/tan.cpp
	libm/real/tanh.cpp
	libm/cplex/cacos.cpp
	libm/cplex/cacosh.cpp
	libm/cplex/cacot.cpp
	libm/cplex/cacoth.cpp
	libm/cplex/cacsc.cpp
	libm/cplex/cacsch.cpp
	libm/cplex/casec.cpp
	libm/cplex/casech.cpp
	libm/cplex/casin.cpp
	libm/cplex/casinh.cpp
	libm/cplex/catan.cpp
	libm/cplex/catanh.cpp
	libm/cplex/ccbrt.cpp
	libm/cplex/ccos.cpp
	libm/cplex/ccosh.cpp
	libm/cplex/ccot.cpp
	libm/cplex/ccoth.cpp
	libm/cplex/ccsc.cpp
	libm/cplex/ccsch.cpp
	libm/cplex/cexp.cpp
	libm/cplex/clog.cpp
	libm/cplex/clog10.cpp
	libm/cplex/clogb.cpp
	libm/cplex/cpow.cpp
	libm/cplex/csec.cpp
	libm/cplex/csech.cpp
	libm/cplex/csgn.cpp
	libm/cplex/csin.cpp
	libm/cplex/csinh.cpp
	libm/cplex/csqrt.cpp
	libm/cplex/ctan.cpp
	libm/cplex/ctanh.cpp
	main/evaluator.cpp
	main/functions.cpp
	main/graphlist.cpp
	main/lexer.cpp
	main/nodes.cpp
	main/operators.cpp
	main/optimizer.cpp
	main/parser.cpp
	main/statements.cpp
	main/token.cpp
	main/values.cpp
	main/viewer.cpp
	prog/cli.cpp
	prog/main.cpp
	prog/program.cpp
	prog/test.cpp
'

if make -v 2>&1 | grep GNU > /dev/null 2>&1 ; then
	echo "make(1) is GNU make."
	BSD=false
#elif [ -f /usr/share/mk/bsd.prog.mk ] ; then
#	echo "Found bsd.prog.mk, will use it."
#	BSD=true
else
	echo "Defaulting to plain makefile"
	BSD=false
fi

if $BSD ; then
	(
	echo '# BSD-style Makefile generated by configure'
	echo 'PROG	=	amath'
	for f in ${SRCS}
	do
		echo "SRCS	+=	${f}"
	done

	echo 'NO_MAN	=	not_yet'
	echo 'CFLAGS	+=	-DINTELCPU -DANSICONSOLE -I.'
	echo 'LDADD	+=	-lstdc++'
	echo 'WARNS	?=	6'
	echo '.include <bsd.prog.mk>'
	) > Makefile

	msg=", remember to run 'make depend'"
elif [ -n "$1" ] && [ $1 = "AMIGA" ] ; then

	test=""
	if [ -n "$2" ] && [ $2 = "TEST" ] ; then
		test=" -DWITHTEST"
	fi
	  
	(
	echo "# Amiga Makefile generated by configure"
	echo 
	echo "all:	amath"
	echo 
	echo "CC = gcc"
	echo "CFLAGS += -O2 -DAOS$test -resident -s -I. -Wall -Werror"	
	echo "LFLAGS += -lgcc"
	echo 

	l=""
	for f in ${SRCS}
	do
		b=`basename $f .cpp`
		i=`sed -n -e '/#include.*"/{
			s/"$//
			s/.*"//
			p
		}' $f | sort -u`
		echo "${b}.o:	${f}" ${i}
		echo "	\${CC} \${CFLAGS} -c ${f}"
		echo
		l="${l} ${b}.o"
	done

	echo
	echo "amath:	${l}"
	echo "	\${CC} \${CFLAGS} -s -o amath ${l} \${LFLAGS}"
	echo
	echo "clean:"
	echo "	rm -f ${l} amath"
	echo
	echo "depend:"
	echo "	@echo Dependencies already done"
	) > Makefile
elif [ -n "$1" ] && [ $1 = "AROS" ] ; then

	test=""
	if [ -n "$2" ] && [ $2 = "TEST" ] ; then
		test=" -DWITHTEST"
	fi
	  
	(
	echo "# AROS Makefile generated by configure"
	echo 
	echo "all:	amath"
	echo 
	echo "CC = gcc"
	echo "CFLAGS += -O2 -DAROS$test -s -I. -Wall -Werror"	
	echo "LFLAGS += -lstdc++"
	echo 

	l=""
	for f in ${SRCS}
	do
		b=`basename $f .cpp`
		i=`sed -n -e '/#include.*"/{
			s/"$//
			s/.*"//
			p
		}' $f | sort -u`
		echo "${b}.o:	${f}" ${i}
		echo "	\${CC} \${CFLAGS} -c ${f}"
		echo
		l="${l} ${b}.o"
	done

	echo
	echo "amath:	${l}"
	echo "	\${CC} \${CFLAGS} -s -o amath ${l} \${LFLAGS}"
	echo
	echo "clean:"
	echo "	rm -f ${l} amath"
	echo
	echo "depend:"
	echo "	@echo Dependencies already done"
	) > Makefile.aros
else
	test=""
	if [ -n "$1" ] && [ $1 = "TEST" ] ; then
		test=" -DWITHTEST"
	fi
	
	(
	echo "# Portable Makefile generated by configure"
	echo 
	echo "all:	amath"
	echo 
	echo "CC = cc"
	echo "CFLAGS += -O0 -g -DINTELCPU -DANSICONSOLE$test -I. -Wall -Werror"
	echo "LFLAGS += -lstdc++"
	echo 
	
	l=""
	for f in ${SRCS}
	do
		b=`basename $f .cpp`
		i=`sed -n -e '/#include.*"/{
			s/"$//
			s/.*"//
			p
		}' $f | sort -u`
		echo "${b}.o:	${f}" ${i}
		echo "	\${CC} \${CFLAGS} -c ${f}"
		echo
		l="${l} ${b}.o"
	done

	echo
	echo "amath:	${l}"
	echo "	\${CC} \${CFLAGS} -o amath ${l} \${LFLAGS}"
	echo
	echo "clean:"
	echo "	rm -f ${l} amath"
	echo
	echo "depend:"
	echo "	@echo Dependencies already done"
	) > Makefile
fi

echo "Makefile generated${msg}"