Initial revision

diff --git a/first/fixlexlib b/first/fixlexlib
new file mode 100755 (executable)
index 0000000..f12d737
--- /dev/null
+++ b/first/fixlexlib
@@ -0,0 +1,69 @@
+FL=succes
+TRIES='-ll and -lln'
+case X$# in
+X0)
+       myecho "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
+       then :
+       else myecho "Sorry, your lex does not seem to work"
+            exit 2
+       fi
+       cat > trylib <<'EOF'
+if cc $1 lex.yy.c > /dev/null 2>&1
+then
+       rm -f lex.yy.* a.out
+       exit 0
+else
+       exit 1
+fi
+EOF
+       if sh trylib -ll
+       then
+               LEX=-ll
+       elif sh trylib -ln
+       then
+               LEX=-lln
+       else
+               FL=fail
+       fi
+       ;;
+*)     if sh trylib $1
+       then
+               LEX=$1
+       else
+               TRIES="$2 and $1"
+               FL=fail
+       fi
+       ;;
+esac
+case X$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: '
+       if read ANSWER
+       then :
+       else myecho "Sorry, got EOF while reading your answer"
+            exit 9
+       fi
+       exec $0 $ANSWER "$TRIES"
+       ;;
+Xsucces)
+       for i in ../util/opt ../util/cgg ../util/ncgg ../lang/occam/comp
+       do
+           (   cd $i
+               ed - Makefile << EOF
+/^LEXLIB/c
+LEXLIB = $LEX
+.
+w
+q
+EOF
+           )
+       done
+       ;;
+esac
+rm -f x.l trylib