configure

CForms, by Lars Berntzon (Stockholm, Sweden), is a tool for building interactive forms-driven applic

#!/bin/sh
# @(#) $Id: Configure,v 1.11 1993/07/21 01:58:08 lasse Exp $
# Configure for cforms.
#
REPL=""
CFLAGS="-g"
config=src/config.h

findpath()
{
    dirs=`IFS=: set - $PATH; echo $*`
    for d in $dirs
    do
	if [ -x $d/$1 ]; then
	    echo $d/$1
	    return 0
	fi
    done
    return 1
}

if [ -f /etc/inittab ]; then
    CFLAGS="$CFLAGS -DSIGNAL_VOID -DSYSV"
    if [ -d /proc ]; then
	CFLAGS="$CFLAGS -DSVR4"
    fi
else
    CFLAGS="$CFLAGS -DSIGNAL_INT"
fi

rm -f src/config.h
echo "/* Do not edit this file it is created by Configure */" >> $config

echo "#include <stdio.h>" >> $config
echo "#include <curses.h>" >> $config
echo "#include <ctype.h>" >> $config
echo "#include <assert.h>" >> $config
echo "#include <signal.h>" >> $config
echo "#include <stdarg.h>" >> $config
if [ -f /usr/include/stdlib.h ]; then
    echo "#include <stdlib.h>" >> $config
elif [ -f /usr/include/malloc.h ]; then
    echo "#include <malloc.h>" >> $config
fi

if [ -f /usr/include/string.h ]; then
    echo "#include <string.h>" >> $config
elif [ -f /usr/include/strings.h ]; then
    echo "#include <strings.h>" >> $config
fi

if [ -f /usr/include/memory.h ]; then
    echo "#include <memory.h>" >> $config
fi

if [ -f /usr/include/unistd.h ]; then
    echo "#include <unistd.h>" >> $config
else
    echo "extern int read(int, void *, unsigned);" >> $config
    echo "extern int write(int, void *, unsigned);" >> $config
fi

if [ ! -f /usr/include/stdarg.h ]; then
    echo "You might have problem with the file /usr/include/stdarg.h" >&2
fi

CC=`findpath cc`
GCC=`findpath gcc`
CP=`findpath cp`
LATEX=`findpath latex`
RANLIB=`findpath ranlib`
YACC=`findpath yacc`
if [ -z "$YACC" ]; then
    YACC=`findpath bison`
    if [ -z "$YACC" ]; then
	echo "I could not find niether yacc nor bison, you're in trouble"
    else
	YACC="$YACC -y"
    fi
fi

#
# CC
#
if [ ! -z "$GCC" ]; then
    REPL="$REPL -e 's%^@CC%CC = $GCC -ansi -Wcast-qual -Wimplicit -Wreturn-type -Wswitch
    -Wcomments -Wtrigraphs -Wpointer-arith%'"
elif [ ! -z "$CC" ]; then
    REPL="$REPL -e 's%^@CC%$CC = CC%'"
else
    echo "no compiler found" >&2
    exit 1
fi

#
# CP
#
if [ ! -z "$CP" ]; then
    REPL="$REPL -e 's%^@CP%CP = $CP'%"
else
    echo "the command cp not found" >&2
    exit 1
fi

#
# LATEX
#
if [ ! -z "$LATEX" ]; then
    REPL="$REPL -e 's%^@LATEX%LATEX = $LATEX'%"
else
    REPL="$REPL -e 's%^@LATEX%LATEX = echo '%"
fi

#
# RANLIB
#
if [ ! -z "$RANLIB" ]; then
    REPL="$REPL -e 's%^@RANLIB%RANLIB = $RANLIB'%"
else
    REPL="$REPL -e 's%^@RANLIB%RANLIB = echo '%"
fi

#
# YACC
#
if [ ! -z "$YACC" ]; then
    REPL="$REPL -e 's%^@YACC%YACC = $YACC'%"
else
    echo "the command bison or yacc not found" >&2
    exit 1
fi

#
# SUN specific.
#
if [ -f /vmunix -a -f /usr/include/strings.h ]; then
    if [ ! -f /usr/5include/curses.h ]; then
	echo "Your Sun has not got the system 5 compability package" >&2
	exit 1
    fi

    REPL="$REPL -e 's%^@CFLAGS%CFLAGS = $CFLAGS -I/usr/5include -I../include \$(DEFINES)%'"
    REPL="$REPL -e 's%^@LDFLAGS%LDFLAGS = -ly -L/usr/5lib -lcurses -ltermlib /usr/5lib/libc.a%'"
    REPL="$REPL -e 's%^@LDFLAGS%LDFLAGS = $CFLAGS -lcurses -ltermlib'%"
else
    REPL="$REPL -e 's%^@CFLAGS%CFLAGS = $CFLAGS -I../include \$(DEFINES)%'"
    REPL="$REPL -e 's%^@LDFLAGS%LDFLAGS = -ly -lcurses -ltermlib'%"
fi

( echo "#"
  echo "# Don't edit in this file, use Makefile.src"
  eval sed $REPL Makefile.src ) > Makefile