Usenet 1994 January

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Text File | 1988-09-22 | 15.4 KB | 756 lines

#! /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 funcs.h: if [ -f funcs.h ]; then mv funcs.h funcs.h.OLD; fi 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."