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#!/bin/sh
#
# script documenting fixes for flex-2.5.4 and gcc-3.1
set -e
FLEXLEXER=OK
if [ -z "$FLEXLEXER" ]; then
includes="$HOME/usr/include /usr/local/include /usr/include"
for i in $includes; do
file=$i/FlexLexer.h
if [ -f "$file" ]; then
break
else
file=
fi
done
if [ -z "$file" ]; then
cat <<EOF
FlexLexer.h not found in $includes
Please install flex, or find and fix FlexLexer.h by hand.
EOF
exit 1
fi
fi # flexlexer
if [ -n "$CONF" ]; then
CONFIGSUFFIX=-$CONF
SETCONF="CONF=$CONF "
setconf="conf=$CONF "
ENABLECONFIG="--enable-config=$CONF "
fi
outdir=out$CONFIGSUFFIX
if [ -z "$FLEXLEXER" ]; then
echo -n "Copying and fixing $file... "
mkdir -p lily/$outdir
rm -f lily/$outdir/FlexLexer.h
sed -e 's/iostream.h/iostream/' \
-e 's/\<istream\>/std::istream/' \
-e 's/\<ostream\>/std::ostream/' \
$file > lily/$outdir/FlexLexer.h
echo "done"
fi # flexlexer
if [ -f GNUmakefile ]; then
file=lily/$outdir/lexer.cc
echo -n "Generating and fixing $file... "
rm -f $file
make conf=$CONF -C lily $outdir/lexer.cc > /dev/null 2>&1 || true
mv $file $file.orig
sed -e 's/\<cin\>/std::cin/g' \
-e 's/\<cout\>/std::cout/g' \
-e 's/\<cerr\>/std::cerr/g' \
$file.orig > $file
echo "done"
fi
cat <<EOF
Remove config.cache before rerunning ./configure
Reconfigure, refix, and make doing something like:
rm -f config.cache
CPPFLAGS=-I$(pwd)/lily/$outdir ./configure $ENABLECONFIG
$SETCONF$0
make $setconf
EOF
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