Made to work under Microsoft Xenix V3.2

diff --git a/first/.distr b/first/.distr
index 9325d2a..dae412d 100644 (file)
--- a/first/.distr
+++ b/first/.distr
@@ -4,3 +4,4 @@ first
 did_first
 myecho.c
 fixlexlib
+cc.xenix

diff --git a/first/cc.xenix.src b/first/cc.xenix.src
new file mode 100644 (file)
index 0000000..b178c08
--- /dev/null
+++ b/first/cc.xenix.src
@@ -0,0 +1,70 @@
+trap "rm -f x$$.c" 0 1 2 3 15
+EMHOME=/usr/em
+CFLAG=0
+TARGET=a.out
+while :
+do
+       case $# in
+       0)      break;;
+       esac
+       case $1 in
+       -I*|-D*|-U*)
+               PREP=$PREP" "$1
+               ;;
+       -c)     CFLAG=1
+               ;;
+       -o)     shift
+               TARGET=$1
+               ;;
+       -F)     shift
+               LFLAG="-F $1"
+               ;;
+       -*)     FLAGS=$FLAGS" "$1
+               ;;
+       *)      ARG=$ARG" "$1
+               ;;
+       esac
+       shift
+done
+for i in $ARG
+do
+       case $i in
+       *.c)
+               nm=`basename $i .c`
+               if [ -x $EMHOME/lib/cpp ]
+               then
+                       cpp=$EMHOME/lib/cpp
+                       cppf=-P
+               else
+                       cpp=/bin/cc
+                       cppf=-E
+               fi
+               if $cpp $cppf $PREP $i > x$$.c && /bin/cc $FLAGS -c x$$.c
+               then
+                       mv x$$.o $nm.o
+                       LDARG=$LDARG" "$nm.o
+               else
+                       rm -f x$$.c
+                       exit 1
+               fi
+               rm -f x$$.c
+               ;;
+       *.s)
+               if /bin/cc $FLAGS -c $i
+               then
+                       LDARG=$LDARG" "`basename $i .s`.o
+               else    exit 1
+               fi
+               ;;
+       *)      LDARG=$LDARG" "$i
+               ;;
+       esac
+done
+case $CFLAG in
+1)     ;;
+*)     if /bin/cc $FLAGS $LFLAG $LDARG -o $TARGET
+       then :
+       else exit 1
+       fi
+       ;;
+esac

diff --git a/first/ckpath b/first/ckpath
index 2809601..57eb472 100644 (file)
--- a/first/ckpath
+++ b/first/ckpath
@@ -1,4 +1,5 @@
 rm -f ../bin/x_tpath x_tpath
+echo 'Checking out your $PATH; . and $ACK/bin should be in front ...'
 echo "echo $$" >../bin/x_tpath
 rm -f x_tpath
 chmod +x ../bin/x_tpath
@@ -49,4 +50,18 @@ x$$)
        STAT=4 ;;
 esac
 rm -f ../bin/x_tpath x_tpath
+echo "echo 93" > ../bin/cat
+chmod +x ../bin/cat
+hash -r
+case x`cat < /dev/null 2>/dev/null`
+in
+x93)
+       rm -f ../bin/cat
+       ;;
+*)
+       rm -f ../bin/cat
+       (cd ../bin ; echo Sorry, `pwd` comes too late in your PATH" ($PATH)" )
+       STAT=13
+       ;;
+esac
 exit $STAT

diff --git a/first/first b/first/first
index 14b3a1f..5fafe4f 100755 (executable)
--- a/first/first
+++ b/first/first
@@ -10,11 +10,12 @@ first)
 esac
 : check $PATH first
 if sh ckpath
-then :
+then
+       echo "PATH is ok"
 else
        exit 1
 fi
-: check write-ability of /tmp and /usr/tmp
+echo check write-ability of /tmp and /usr/tmp ...
 if ( >/usr/tmp/aaax.$$ )
 then
        rm /usr/tmp/aaax.$$
@@ -29,29 +30,33 @@ else
        echo /tmp must exist and be writable.
        exit 2
 fi
-: set ACK HOME Directory in ../h/em_path.h
+echo "/tmp and /usr/tmp ok"
+echo setting ACK HOME Directory in ../h/em_path.h ...
 rm -f em_path.h
-sed -e "/^#define[     ]*EM_DIR/s@\".*\"@\"`cd .. ; pwd`\"@" <../h/em_path.h >em_path.h
+HM=`cd ..; pwd`
+sed -e "/^#define[     ]*EM_DIR/s@\".*\"@\"$HM\"@" <../h/em_path.h >em_path.h
 if cmp ../h/em_path.h em_path.h >/dev/null 2>&1
 then
        : Don't touch ../h/em_path.h, it's already correct
+       echo "../h/em_path.h already correct"
 else
        rm -f ../h/em_path.h
        if mv em_path.h ../h >/dev/null 2>&1
-       then : success
+       then    echo "../h/em_path.h replaced"
        else
                echo "Sorry, can't replace ../h/em_path.h"
                exit 7
        fi
 fi
-: translate myecho
-if cc -o myecho myecho.c > /dev/null 2>&1
+echo compile own echo program, so that we know how it works ...
+if cc -o echo myecho.c > /dev/null 2>&1
 then
-       :
+       echo compilation succeeded
 else
        echo "Sorry, cc does not seem to work"
        exit 8
 fi
+cp echo ../bin/echo
 : find cc option for lex library
 if fixlexlib
 then
@@ -64,7 +69,7 @@ if (ack_sys) >/dev/null 2>&1
 then
        : echo Your system is: `ack_sys`.
 else
-       myecho -n "Give me the type of your system, the current choice is:
+       echo -n "Give me the type of your system, the current choice is:
 pdp_v7         PDP11 with sep I/D and version 7 (or BSD 2.8, 2.9)
 vax_bsd4_1a    VAX11 with BSD4.1a
 vax_bsd4_2     VAX11 with BSD4.2
@@ -93,7 +98,7 @@ system type: "
                exit 10
        fi
 fi
-myecho -n "Your system is `ack_sys`, are you satisfied with that? (y/n) "
+echo -n "Your system is `ack_sys`, are you satisfied with that? (y/n) "
 if read YESNO
 then
        case $YESNO in
@@ -113,17 +118,12 @@ fi
 : "Take action according to the system used"
 : 'Prevent the use of the system assembler on for certain systems'
 : 'prevent the use of ranlib on pdp 11s'
+echo "take some actions according to system used ..."
 case `ack_sys` in
 pdp_*)         RMD="vax4"
+               echo "disabling use of ranlib; cannot trust its result"
                echo 'echo "no ranlib on this system"; exit 93' > ../bin/ranlib
                chmod +x ../bin/ranlib
-               ranlib > /dev/null 2>&1
-               case X$? in
-               X93)    ;;
-               *)      echo "Sorry, there still is an error in your PATH."
-                       echo "It finds the system ranlib before ours, which is in the ACK bin directory."
-                       exit 13
-               esac
                ;;
 vax*)          ;;
 *)             RMD="vax4" ;;
@@ -131,6 +131,7 @@ esac
 for i in $RMD
 do
 (      cd ../lib/$i
+       echo "disabling use of local assembler and loader for $i"
        if grep '^name as$' descr >/dev/null 2>&1
        then
        cp descr descr.orig
@@ -163,7 +164,7 @@ ABC
                )
                ;;
 esac
-: 'Set the default machine in ../h/local.h'
+echo 'Setting the default machine in ../h/local.h ...'
 BM=1
 case `ack_sys` in
 pdp_v7)                ACM=pdp ; BM=0 ; SYS=V7 ;;
@@ -183,9 +184,11 @@ esac
 rm -f local.h
 sed -e /ACKM/s/'".*"'/'"'$ACM'"'/ -e /BIGMACH/s/'[01]'/$BM/ -e /SYSTEM/s/'^#[  ]*define[       ]*[a-zA-Z_][a-zA-Z0-9_]*'/"#    define $SYS"/ < ../h/local.h >local.h
 if cmp -s ../h/local.h local.h
-then :
+then
+       echo "../h/local.h already correct"
 else
        cp local.h ../h
+       echo "../h/local.h updated"
        rm -f local.h
 fi
 echo "Your default machine to compile for is $ACM"
@@ -214,9 +217,77 @@ vax_sysV_2)
          cp libsysV_2/* libsys
        )
        ;;
+xenix3)
+       echo "Xenix cannot handle our Makefiles; install our own make ..."
+       if ( cd ../util/make; make install )
+       then
+               echo "Done"
+       else
+               echo "Sorry, this seems to have failed."
+               echo "You have to install it by hand later, or use the Xenix"
+               echo "make anyway"
+       fi
+       echo "The Xenix C compiler cannot compile some of our programs."
+       echo "It complains about lack of heap space when many #defines are"
+       echo 'used. This is prevented by installing a "cc" shell script in'
+       echo 'the EM bin directory, which runs a .c file through a preprocessor'
+       echo 'before running it through the C compiler proper. Unfortunately,'
+       echo 'line number and filename information is lost. The compiler does'
+       echo 'not recognize its own line directives.'
+       echo 'You can remove this "cc" script from the EM bin directory'
+       echo 'when installation is done.'
+       cp cc.xenix cc.xenix.orig
+       ed - cc.xenix <<ABC
+/EMHOME/s/=.*/=$HM/
+w
+q
+ABC
+       cp cc.xenix ../bin/cc
+       chmod +x ../bin/cc
+       echo "code-generators and peephole optimizer need more stack than the default."
+       echo "adapting LDFLAGS in Makefiles"
+       for i in ../mach/*/*cg/Makefile
+       do
+               cp $i $i.orig
+               ed - $i <<ABC
+/LDFLAGS/s/$/ -F 3000/
+w
+q
+ABC
+       done
+       cp ../util/opt/Makefile ../util/opt/Makefile.orig
+       ed - ../util/opt/Makefile <<ABC
+/LDFLAGS/s/$/-F 2000/
+w
+q
+ABC
+       echo "target optimizers do not work on Xenix; disabling their use"
+       for i in ../lib/*/descr
+       do
+               if grep -s "name asopt" $i
+               then
+                       cp $i $i.top
+                       ed - $i <<ABC
+/name asopt/;/^end/d
+w
+q
+ABC
+               fi
+       done
+       echo "the -l option in cc command puts library in wrong place."
+       echo "this is a problem with the lex library for the occam compiler."
+       echo "changing Makefile for Occam compiler"
+       cp ../lang/occam/comp/Makefile ../lang/occam/comp/Makefile.orig
+       ed - ../lang/occam/comp/Makefile <<ABC
+/LEXLIB/s.-l[a-z]*./lib/Slibl.a.
+w
+q
+ABC
+       ;;
 esac
 case X$BM in
 X0)
+       echo "set some installation pararmeters for small machines"
        ( cd ../lang/cem/cemcom
          cp SmallPars Parameters
          cp makefile makefile.orig
@@ -288,7 +359,8 @@ q
 ABC
        )
        ;;
-*)     ( cd ../lang/cem/cemcom
+*)     ( echo "set some installation pararmeters for big machines"
+         cd ../lang/cem/cemcom
          cp BigPars Parameters
          cd ../../m2/comp
          cp BigPars Parameters

diff --git a/first/fixlexlib b/first/fixlexlib
index 3fd72aa..caba4ec 100755 (executable)
--- a/first/fixlexlib
+++ b/first/fixlexlib
@@ -7,14 +7,14 @@ X0)
                TRY=`.Xlex`
        else    TRY=-lln
        fi
-       myecho "trying to find your lex library ..."
+       echo "trying to find your lex library ..."
        cat > x.l <<'EOF'
 %%
 [A-Z]  putchar(yytext[0]+'a'-'A');
 EOF
        if lex x.l > /dev/null 2>&1 && cc -c lex.yy.c > /dev/null 2>&1
        then :
-       else myecho "Sorry, your lex does not seem to work"
+       else echo "Sorry, your lex does not seem to work"
             exit 2
        fi
        cat > trylib <<'EOF'
@@ -43,12 +43,12 @@ EOF
        ;;
 esac
 case X$FL in
-Xfail) myecho 'What option do I have to give to cc to get the LEX library?'
-       myecho "I tried " $TRIES "but these don't seem to work."
-       myecho -n 'LEX library option: '
+Xfail) echo 'What option do I have to give to cc to get the LEX library?'
+       echo "I tried " $TRIES "but these don't seem to work."
+       echo -n 'LEX library option: '
        if read ANSWER
        then :
-       else myecho "Sorry, got EOF while reading your answer"
+       else echo "Sorry, got EOF while reading your answer"
             exit 9
        fi
        exec $0 $ANSWER "$TRIES"