distribution by Mark Nudleman
[unix-history] / usr / src / usr.bin / more / linstall
#! /bin/sh
# Installation script for less.
# This script prompts the operator for various information
# and constructs a makefile.
echo "This script will build a makefile for less."
echo "If you already have a file called \"makefile\" it will be overwritten."
echo "Press RETURN to continue."
read ans
echo "I will ask you some questions about your system."
echo "If you do not know the answer to any question,"
echo "just press RETURN and I will choose a default for you."
echo "Press RETURN now."
read ans
ECHO=./vecho
if [ ! -x $ECHO ]
then
echo "One moment..."
cc -o $ECHO vecho.c
echo ""
fi
$ECHO "Most Unix systems are derived from either System V"
$ECHO "or Berkeley BSD 4.1, 4.2, 4.3, etc."
$ECHO ""
$ECHO "Is your system closest to:"
$ECHO " 1. System V"
$ECHO " 2. BSD 4.1"
$ECHO " 3. BSD 4.2 or later"
$ECHO " 4. Xenix"
$ECHO "Enter a number, or just RETURN if you don't know: \c"
read ans
xenix=0
case "X$ans" in
X1) sys=sys5; sysname="System V" ;;
X2) sys=bsd; bsd41=1; sysname="BSD 4.1" ;;
X3) sys=bsd; bsd41=0; sysname="BSD 4.2" ;;
X4) sys=sys5; xenix=1; sysname="Xenix" ;;
*) sys=unknown ;;
esac
$ECHO ""
DATE=`date`
cat >makefile <<EOF
# Makefile for "less"
# Generated $DATE by $0.
EOF
cat >>makefile <<"EOF"
#
# Invoked as:
# make all
# or make install
# Plain "make" is equivalent to "make all".
#
# If you add or delete functions, remake funcs.h by doing:
# make newfuncs
# This depends on the coding convention of function headers looking like:
# " \t public <function-type> \n <function-name> ( ... ) "
#
# Also provided:
# make lint # Runs "lint" on all the sources.
# make clean # Removes "less" and the .o files.
# make clobber # Pretty much the same as make "clean".
SHELL = /bin/sh
EOF
cat >defines.h <<EOF
/* Definition file for less */
/* Generated $DATE by $0. */
EOF
cat >>defines.h <<EOF
/*
* Define XENIX if running under XENIX 3.0.
*/
#define XENIX $xenix
EOF
$ECHO ""
if [ "X$sys" = "Xunknown" ]
then
alldefault=0
else
def=yes
alldefault=1
$ECHO "Do you want to use ALL the defaults for $sysname?"
$ECHO " Enter \"yes\" if you have a STANDARD $sysname."
$ECHO " Enter \"no\" if you want to change any of the defaults. [$def] \c"
read ans
case "X$ans" in
X[yY]*) alldefault=1 ;;
X[nN]*) alldefault=0 ;;
esac
$ECHO ""
fi
if [ $alldefault = 0 ]
then
alloptional=0
else
def=yes
alloptional=1
$ECHO "Do you want to use all the optional features of less?"
$ECHO " Less has several features which you may or may not"
$ECHO " wish to include, such as shell escapes."
$ECHO " Enter \"yes\" if you want to include ALL the optional features."
$ECHO " Enter \"no\" if you want to select individual features. [$def] \c"
read ans
case "X$ans" in
X[yY]*) alloptional=1 ;;
X[nN]*) alloptional=0 ;;
esac
$ECHO ""
fi
def=yes
x=1
if [ $alldefault = 0 ]
then
$ECHO "Does your C compiler support the \"void\" type? [$def] \c"
read ans
case "X$ans" in
X[yY]*) x=1 ;;
X[nN]*) x=0 ;;
esac
$ECHO ""
fi
cat >>defines.h <<EOF
/*
* VOID is 1 if your C compiler supports the "void" type,
* 0 if it does not.
*/
#define VOID $x
EOF
def=long
if [ $alldefault = 0 ]
then
$ECHO "What type is the \"offset\" argument to lseek? [$def] \c"
read ans
if [ "X$ans" != "X" ]
then
def=$ans
fi
$ECHO ""
fi
cat >>defines.h <<EOF
/*
* offset_t is the type which lseek() returns.
* It is also the type of lseek()'s second argument.
*/
#define offset_t $def
EOF
def=yes; x=1
if [ $alldefault = 0 ]
then
$ECHO "Most Unix systems provide the stat() function."
$ECHO "Does your system have stat()? [$def] \c"
read ans
case "X$ans" in
X[yY]*) x=1 ;;
X[nN]*) x=0 ;;
esac
$ECHO ""
fi
cat >>defines.h <<EOF
/*
* STAT is 1 if your system has the stat() call.
*/
#define STAT $x
EOF
def=yes; x=1
if [ $alldefault = 0 ]
then
$ECHO "Most Unix systems provide the perror() function."
$ECHO "Does your system have perror()? [$def] \c"
read ans
case "X$ans" in
X[yY]*) x=1 ;;
X[nN]*) x=0 ;;
esac
$ECHO ""
fi
cat >>defines.h <<EOF
/*
* PERROR is 1 if your system has the perror() call.
* (Actually, if it has sys_errlist, sys_nerr and errno.)
*/
#define PERROR $x
EOF
def=yes; x=1
if [ $alldefault = 0 ]
then
$ECHO "Most Unix systems provide the time() function."
$ECHO "Does your system have time()? [$def] \c"
read ans
case "X$ans" in
X[yY]*) x=1 ;;
X[nN]*) x=0 ;;
esac
$ECHO ""
fi
cat >>defines.h <<EOF
/*
* GET_TIME is 1 if your system has the time() call.
*/
#define GET_TIME $x
EOF
if [ $x = 0 ]
then
$ECHO "What is the APPROXIMATE performance of your"
$ECHO "machine, as a percentage of a Vax 11/750?"
$ECHO "(Enter 100 if your machine is as fast as a Vax,"
$ECHO " 50 if it is half as fast, 200 if it is twice as fast, etc.)"
$ECHO "The accuracy of this information is not critical."
while :
do
$ECHO "Percent of Vax 11/750 [100]: \c"
read ans
if [ "X$ans" = "X" ]
then
ans=100
fi
longloop=`expr "$ans" "*" 3`
if [ $? = 0 ]
then
break
fi
$ECHO "Enter a number please!"
done
$ECHO ""
cat >>defines.h <<EOF
/*
* LONGLOOP is the number of lines we should process in the line number
* scan before displaying a warning that it will take a while.
*/
#define LONGLOOP ($longloop)
EOF
fi
if [ "$sys" = "bsd" ]
then
def=no; x=0
else
def=yes; x=1
fi
if [ $alldefault = 0 ]
then
$ECHO "Most System V systems have termio.h, while most"
$ECHO "Berkeley-derived systems have sgtty.h."
$ECHO "Does your system have termio.h? [$def] \c"
read ans
case "X$ans" in
X[yY]*) x=1 ;;
X[nN]*) x=0 ;;
esac
$ECHO ""
fi
cat >>defines.h <<EOF
/*
* TERMIO is 1 if your system has /usr/include/termio.h.
* This is normally the case for System 5.
* If TERMIO is 0 your system must have /usr/include/sgtty.h.
* This is normally the case for BSD.
*/
#define TERMIO $x
EOF
if [ "$sys" = "bsd" -a "$bsd41" = "0" ]
then
def=yes; x=1
else
def=no; x=0
fi
if [ $alldefault = 0 ]
then
$ECHO "Most BSD 4.2 and 4.3 systems have the sigsetmask() call."
$ECHO "Most System V and BSD 4.1 systems do not."
$ECHO "Does your system have sigsetmask()? [$def] \c"
read ans
case "X$ans" in
X[yY]*) x=1 ;;
X[nN]*) x=0 ;;
esac
$ECHO ""
fi
cat >>defines.h <<EOF
/*
* SIGSETMASK is 1 if your system has the sigsetmask() call.
* This is normally the case only for BSD 4.2,
* not for BSD 4.1 or System 5.
*/
#define SIGSETMASK $x
EOF
if [ "$sys" = "bsd" ]
then
def=2; REGCMP=0;RECOMP=1
else
def=1; REGCMP=1;RECOMP=0
fi
if [ $alldefault = 0 ]
then
$ECHO "Most System V systems have the regcmp() function."
$ECHO "Most Berkeley-derived systems have the re_comp() function."
$ECHO "Does your system have:"
$ECHO " 1. regcmp"
$ECHO " 2. re_comp"
$ECHO " 3. neither [$def] \c"
read ans
case "X$ans" in
X1) REGCMP=1;RECOMP=0 ;;
X2) REGCMP=0;RECOMP=1 ;;
X3) REGCMP=0;RECOMP=0 ;;
esac
$ECHO ""
fi
cat >>defines.h <<EOF
/*
* REGCMP is 1 if your system has the regcmp() function.
* This is normally the case for System 5.
* RECOMP is 1 if your system has the re_comp() function.
* This is normally the case for BSD.
* If neither is 1, pattern matching is supported, but without metacharacters.
*/
#define REGCMP $REGCMP
#define RECOMP $RECOMP
EOF
def=yes
x=1
if [ $alloptional = 0 ]
then
$ECHO "Do you wish to allow shell escapes? [$def] \c"
read ans
case "X$ans" in
X[yY]*) x=1 ;;
X[nN]*) x=0 ;;
esac
$ECHO ""
fi
cat >>defines.h <<EOF
/*
* SHELL_ESCAPE is 1 if you wish to allow shell escapes.
* (This is possible only if your system supplies the system() function.)
*/
#define SHELL_ESCAPE $x
EOF
def=yes
x=1
edname="vi"
if [ $alloptional = 0 ]
then
$ECHO "Do you wish to allow editor escapes? [$def] \c"
read ans
case "X$ans" in
X[nN]*) x=0; edname="" ;;
X[yY]*) x=1
$ECHO "What is the pathname of the default editor? [$edname] \c"
read ans
if [ "x$ans" != "x" ]
then
edname=$ans
fi
;;
esac
$ECHO ""
fi
cat >>defines.h <<EOF
/*
* EDITOR is 1 if you wish to allow editor invocation (the "v" command).
* (This is possible only if your system supplies the system() function.)
* EDIT_PGM is the name of the (default) editor to be invoked.
*/
#define EDITOR $x
#define EDIT_PGM "$edname"
EOF
def=yes
x=1
if [ $alloptional = 0 ]
then
$ECHO "Do you wish to support \"tag\" files? [$def] \c"
read ans
case "X$ans" in
X[yY]*) x=1 ;;
X[nN]*) x=0 ;;
esac
$ECHO ""
fi
cat >>defines.h <<EOF
/*
* TAGS is 1 if you wish to support tag files.
*/
#define TAGS $x
EOF
def=yes
x=1
if [ $alloptional = 0 ]
then
$ECHO "Do you wish to allow user-defined key definitions? [$def] \c"
read ans
case "X$ans" in
X[yY]*) x=1 ;;
X[nN]*) x=0 ;;
esac
$ECHO ""
fi
USERFILE=$x
cat >>defines.h <<EOF
/*
* USERFILE is 1 if you wish to allow a .less file to specify
* user-defined key bindings.
*/
#define USERFILE $x
EOF
def=yes
x=1
if [ $alldefault = 0 ]
then
$ECHO "If your system provides the popen() function and"
$ECHO "the \"$ECHO\" shell command, you may allow shell metacharacters"
$ECHO "to be expanded in filenames."
$ECHO "Do you wish to allow shell metacharacters in filenames? [$def] \c"
read ans
case "X$ans" in
X[yY]*) x=1 ;;
X[nN]*) x=0 ;;
esac
$ECHO ""
fi
cat >>defines.h <<EOF
/*
* GLOB is 1 if you wish to have shell metacharacters expanded in filenames.
* This will generally work if your system provides the "popen" function
* and the "$ECHO" shell command.
*/
#define GLOB $x
EOF
def=yes
x=1
if [ $alloptional = 0 ]
then
$ECHO "Do you wish to allow log files (-l option)? [$def] \c"
read ans
case "X$ans" in
X[yY]*) x=1 ;;
X[nN]*) x=0 ;;
esac
$ECHO ""
fi
cat >>defines.h <<EOF
/*
* LOGFILE is 1 if you wish to allow the -l option (to create log files).
*/
#define LOGFILE $x
EOF
cat >>defines.h <<EOF
/*
* ONLY_RETURN is 1 if you want RETURN to be the only input which
* will continue past an error message.
* Otherwise, any key will continue past an error message.
*/
#define ONLY_RETURN 0
EOF
cat >>makefile <<EOF
##########################################################################
# Compilation environment.
##########################################################################
EOF
if [ "$xenix" = "1" ]
then
LIBS="-ltermlib"
elif [ "$sys" = "bsd" ]
then
LIBS="-ltermcap"
else
LIBS="-lcurses -ltermcap -lPW"
fi
if [ $alldefault = 0 ]
then
$ECHO "To build \"less\", you must link with libraries supplied by your system."
$ECHO "(If this needs to be changed later, edit the makefile"
$ECHO "and change the definition of LIBS.)"
$ECHO "What libraries should be used [$LIBS] \c"
read ans
if [ "X$ans" != "X" ]
then
LIBS="$ans"
fi
$ECHO ""
fi
cat >>makefile <<EOF
# LIBS is the list of libraries needed.
LIBS = $LIBS
EOF
INSTALL_LESS="/usr/local/bin/less"
INSTALL_KEY="/usr/local/bin/lesskey"
INSTALL_HELP="/usr/local/bin/less.help"
INSTALL_LESSMAN="/usr/man/man1/less.1"
INSTALL_KEYMAN="/usr/man/man1/lesskey.1"
LESS_MANUAL="less.nro"
KEY_MANUAL="lesskey.nro"
if [ $alldefault = 0 ]
then
$ECHO "What is the name of the \"public\" (installed) version of less?"
$ECHO " [$INSTALL_LESS] \c"
read ans
if [ "X$ans" != "X" ]
then
INSTALL_LESS="$ans"
fi
$ECHO "What is the name of the \"public\" (installed) version of lesskey?"
$ECHO " [$INSTALL_KEY] \c"
read ans
if [ "X$ans" != "X" ]
then
INSTALL_KEY="$ans"
fi
$ECHO "What is the name of the \"public\" (installed) version of the help file?"
$ECHO " [$INSTALL_HELP] \c"
read ans
if [ "X$ans" != "X" ]
then
INSTALL_HELP="$ans"
fi
$ECHO "What is the name of the \"public\" (installed) version of the less manual page?"
$ECHO " [$INSTALL_LESSMAN] \c"
read ans
if [ "X$ans" != "X" ]
then
INSTALL_LESSMAN="$ans"
fi
$ECHO "What is the name of the \"public\" (installed) version of the lesskey manual page?"
$ECHO " [$INSTALL_KEYMAN] \c"
read ans
if [ "X$ans" != "X" ]
then
INSTALL_KEYMAN="$ans"
fi
$ECHO ""
fi
cat >>makefile <<EOF
# INSTALL_LESS is a list of the public versions of less.
# INSTALL_KEY is a list of the public versions of lesskey.
# INSTALL_HELP is a list of the public version of the help file.
# INSTALL_LESSMAN is a list of the public versions of the less manual page.
# INSTALL_KEYMAN is a list of the public versions of the lesskey manual page.
INSTALL_LESS = \$(ROOT)$INSTALL_LESS
INSTALL_KEY = \$(ROOT)$INSTALL_KEY
INSTALL_HELP = \$(ROOT)$INSTALL_HELP
INSTALL_LESSMAN = \$(ROOT)$INSTALL_LESSMAN
INSTALL_KEYMAN = \$(ROOT)$INSTALL_KEYMAN
LESS_MANUAL = $LESS_MANUAL
KEY_MANUAL = $KEY_MANUAL
HELPFILE = $INSTALL_HELP
EOF
cat >>makefile <<"EOF"
# OPTIM is passed to the compiler and the loader.
# It is normally "-O" but may be, for example, "-g".
OPTIM = -O
CFLAGS = $(OPTIM)
##########################################################################
# Files
##########################################################################
SRC1 = main.c option.c prim.c ch.c position.c input.c linenum.c
SRC2 = screen.c prompt.c line.c signal.c os.c help.c ttyin.c command.c
SRC3 = output.c decode.c tags.c version.c
SRC = $(SRC1) $(SRC2) $(SRC3)
OBJ = main.o option.o prim.o ch.o position.o input.o output.o \
screen.o prompt.o line.o signal.o os.o help.o ttyin.o \
decode.o command.o linenum.o tags.o version.o
##########################################################################
# Rules for building stuff
##########################################################################
EOF
if [ "$USERFILE" = "1" ]
then
cat >>makefile <<"EOF"
all: less lesskey
install: install_less install_help install_key install_lman install_kman
EOF
else
cat >>makefile <<"EOF"
all: less
install: install_less install_help install_lman
EOF
fi
cat >>makefile <<"EOF"
less: $(OBJ)
$(CC) $(LDFLAGS) $(OPTIM) -o less $(OBJ) $(LIBS) $(LDLIBS)
lesskey: lesskey.o
$(CC) $(LDFLAGS) $(OPTIM) -o lesskey lesskey.o $(LDLIBS)
# help.o depends on makefile for the definition of HELPFILE
help.o: makefile
$(CC) $(CFLAGS) -c -DHELPFILE=\"$(HELPFILE)\" help.c
install_less: less
for f in $(INSTALL_LESS); do rm -f $$f; cp less $$f; done
touch install_less
install_key: lesskey
for f in $(INSTALL_KEY); do rm -f $$f; cp lesskey $$f; done
touch install_key
install_help: less.help
for f in $(INSTALL_HELP); do rm -f $$f; cp less.help $$f; done
touch install_help
install_lman: $(LESS_MANUAL)
for f in $(INSTALL_LESSMAN); do rm -f $$f; cp $(LESS_MANUAL) $$f; done
touch install_lman
install_kman: $(KEY_MANUAL)
for f in $(INSTALL_KEYMAN); do rm -f $$f; cp $(KEY_MANUAL) $$f; done
touch install_kman
##########################################################################
# Maintenance
##########################################################################
lint:
lint -hp $(SRC)
newfuncs:
mv funcs.h funcs.h.OLD
awk -f mkfuncs.awk $(SRC) >funcs.h
clean:
rm -f $(OBJ) lesskey.o less lesskey vecho
clobber:
rm -f *.o less lesskey vecho install_less install_key \
install_help install_lman install_kman
shar:
shar -v linstall less.h position.h funcs.h cmd.h \
vecho.c lesskey.c less.nro lesskey.nro lesskey.man > less.shar.a
shar -v $(SRC1) > less.shar.b
shar -v $(SRC2) > less.shar.c
shar -v $(SRC3) less.man README less.help *.awk >less.shar.d
##########################################################################
# Dependencies
##########################################################################
$(OBJ): less.h funcs.h defines.h position.h
command.o decode.o: cmd.h
lesskey.o: less.h funcs.h defines.h cmd.h
EOF
$ECHO ""
$ECHO "The makefile has been built."
$ECHO "You should check it to make sure everything is as you want it to be."
$ECHO "When you are satisfied with the makefile, just type \"make\""
$ECHO "and \"less\" will be built."