75 lines
1.2 KiB
Text
Executable file
75 lines
1.2 KiB
Text
Executable file
FL=succes
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TRIES=
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case X$# in
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X0)
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if (.Xlex) > /dev/null 2>&1
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then
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TRY=`.Xlex`
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else TRY=-lln
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fi
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echo "trying to find your lex library ..."
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cat > x.l <<'EOF'
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%%
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[A-Z] putchar(yytext[0]+'a'-'A');
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EOF
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if lex x.l > /dev/null 2>&1 && cc -c lex.yy.c > /dev/null 2>&1
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then :
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else echo "Sorry, your lex does not seem to work"
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exit 2
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fi
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cat > trylib <<'EOF'
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if cc lex.yy.o $1 > /dev/null 2>&1
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then
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rm -f lex.yy.* a.out
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exit 0
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else
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exit 1
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fi
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EOF
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if sh trylib $TRY
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then
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LEX=$TRY
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else
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exec $0 -ll $TRY
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fi
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;;
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*) if sh trylib $1
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then
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LEX=$1
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else
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TRIES="$2 and $1"
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FL=fail
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fi
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;;
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esac
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case X$FL in
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Xfail) echo 'What option do I have to give to cc to get the LEX library?'
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echo "I tried " $TRIES "but these don't seem to work."
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echo -n 'LEX library option: '
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if read ANSWER
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then :
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else echo "Sorry, got EOF while reading your answer"
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exit 9
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fi
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exec $0 $ANSWER "$TRIES"
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;;
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Xsucces)
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for i in ../util/opt ../util/cgg ../util/ncgg ../lang/occam/comp
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do
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( cd $i
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cp Makefile makefile
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ed - makefile << EOF
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/^LEXLIB/c
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LEXLIB = $LEX
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.
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w
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q
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EOF
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)
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done
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;;
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esac
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rm -f x.l trylib lex.yy.*
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echo echo "$LEX" > .Xlex
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chmod +x .Xlex
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echo "apparently, \"cc ... $LEX\" works"
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