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|
#!/bin/sh
# confhc -- detect installed Haskell compilers and versions
# author: Malcolm.Wallace@cs.york.ac.uk, Sept 1999
# added "hmake interactive" config, May 2000
# removed support for nhc13, Nov 2001
# simplified for hmake3, Jan 2002
MACHINE=${MACHINE-`script/harch`}
PWD=`pwd`
echo "Looking for already-installed Haskell compilers:"
# Assume that we start out with a blank config.
HBCKNOWN=
GHCKNOWN=
GHC2KNOWN=
NHCKNOWN=
NHC2KNOWN=
CONFIGPATH="$PWD/lib/$MACHINE/hmakerc"
# We need a working BSD-style `echo' command: at least Solaris may not have it.
# (The calling script must have already compiled our emulated 'echo'.)
case `echo -n hello | wc -c | ( read n ; echo $n )` in
5) ;;
*) echo () { $PWD/script/echo "$@"; } ;;
esac
# We need a working `which' command: CYGWIN at least doesn't have it,
# and some installed 'which's behave badly, e.g. Solaris, OSF/1.
#if which which >/dev/null 2>&1 && ( which which | grep -v Warning >/dev/null )
#then
# echo -n ""
#else
# echo "No builtin 'which' command - attempting to emulate it."
which () {
( case $1 in
/*) if [ -f "$1" -a -x "$1" ]
then echo $1
exit 0
fi;;
*) ;;
esac
for path in `echo \"$PATH\" | sed -e 's/:/\" \"/g'`
do
thefile=`echo $path | tr -d "\""`/$1
if [ -f "$thefile" -a -x "$thefile" ]
then echo $thefile
exit 0
fi
done; exit 1 )
}
#fi
# Report gcc version number
echo " Found C compiler: "`which $CCC`
echo " C compiler version: "`$CCC --version | head -n 1`
# Ok, so first look for HBC
echo -n " Looking for hbc... "
if which hbc >/dev/null 2>&1
then
HBCKNOWN=`which hbc`
HBCVERSION=`hbc -v 2>&1 | cut -d' ' -f2`
case $HBCVERSION in
version) HBCVERSION=`hbc -v 2>&1 | cut -d' ' -f3` ;;
*) HBCVERSION=`hbc -v 2>&1 | cut -d' ' -f4` ;;
esac
fi
if [ "$HBCKNOWN" = "" ]
then
echo "(not found)"
echo " Note: LMLDIR/HBCDIR variables must be set to enable detection of hbc."
else
echo "found ${HBCVERSION}"
fi
# Now look for GHC. Determining the version number here is due to Simon Marlow.
ghcsym () {
echo "main = print __GLASGOW_HASKELL__" >ghcsym.hs;
$1 -cpp -o ghcsym.out ghcsym.hs
./ghcsym.out >$2
# $1 -E -cpp -optP-P ghcsym.hs -o ghcsym.out;
# grep -v '^#' ghcsym.out | grep -v '^$' > $2;
rm -f ghcsym.hs ghcsym.out;
}
echo -n " Looking for ghc... "
if which ghc >/dev/null 2>&1
then
GHCKNOWN=`which ghc`
GHCVERSION=`${GHCKNOWN} --version 2>&1 | sed 's/^.*version[ ]*\([0-9.]*\).*/\1/'`
ghcsym ${GHCKNOWN} targets/$MACHINE/ghcsym;
fi
if [ "$GHCKNOWN" = "" ]
then echo "(not found)"
else echo "found ${GHCVERSION}"
fi
# There may be another version of ghc to look for.
COMP=$1
if [ -n "$COMP" ]
then
if [ "`basename $COMP | cut -c1-3`" = "ghc" ]
then
VER=`basename $COMP | cut -c5-`
if [ -n "$VER" -a "$VER" != "$GHCVERSION" ]
then
echo -n " Looking for $COMP... "
if which $COMP >/dev/null 2>&1
then
GHC2KNOWN=`which $COMP`
GHC2VERSION=`${GHC2KNOWN} --version 2>&1 | sed 's/^.*version[ ]*\([0-9.]*\).*/\1/'`
ghcsym ${GHC2KNOWN} targets/$MACHINE/ghcsym;
fi
if [ "$GHC2KNOWN" = "" ]
then echo "(not found)"
else echo "found ${GHC2VERSION}"
fi
fi
fi
fi
# Finally, check for a previous installation of nhc98.
echo -n " Looking for nhc98... "
if which nhc98 >/dev/null 2>&1
then
NHCKNOWN=`which nhc98`
NHCVERSION=`${NHCKNOWN} --version | head -n 1 | cut -d' ' -f2`
fi
if [ "$NHCKNOWN" != "" ]
then echo "found ${NHCVERSION}"
NHCSYM=`echo $NHCVERSION | tr ".va" " " | ( read x y z; echo $x$y; )`
echo $NHCSYM >targets/$MACHINE/nhcsym;
else echo "(not found)"
fi
# There may be another version of nhc98 to look for.
if [ -n "$COMP" ]
then
if [ -n "$COMP" -a "`basename $COMP | cut -c1-5`" = "nhc98" ]
then
VER=`basename $COMP | cut -c7-`
if [ -n "$VER" -a "$VER" != "$NHCVERSION" ]
then
echo -n " Looking for $COMP... "
if which $COMP >/dev/null 2>&1
then
NHC2KNOWN=`which $COMP`
NHC2VERSION=`${NHC2KNOWN} --version | head -n 1 | cut -d' ' -f2`
NHC2SYM=`echo $NHC2VERSION | tr ".va" " " | ( read x y z; echo $x$y; )`
echo $NHC2SYM >targets/$MACHINE/nhcsym;
fi
if [ "$NHC2KNOWN" = "" ]
then echo "(not found)"
else echo "found ${NHC2VERSION}"
fi
fi
fi
fi
if [ "$1" = "" ]
then
BUILDHMAKE=
echo -n "I am guessing that you want to use "
# in order of preference: ghc, then hbc, then gcc...
if [ "$HBCKNOWN" = "" ];
then
if [ "$GHCKNOWN" = "" ];
then
echo -n gcc
BUILDHMAKE=gcc
else
echo -n ghc
BUILDHMAKE=ghc
fi
else
if [ "$GHCKNOWN" = "" ];
then
echo -n hbc
BUILDHMAKE=hbc
else
echo -n "ghc (not hbc)"
BUILDHMAKE=ghc
fi
fi
else
BUILDHMAKE=$1
echo -n "You said you want to use $BUILDHMAKE"
fi
echo " to build hmake."
# mangle paths on CYGWIN
case $MACHINE in
*CYGWIN*) if [ -n "$HBCKNOWN" ]
then HBCKNOWN=`cygpath -w "$HBCKNOWN" | tr '\\\\' '/'`
fi
if [ -n "$GHCKNOWN" ]
then GHCKNOWN=`cygpath -w "$GHCKNOWN" | tr '\\\\' '/'`
fi
if [ -n "$GHC2KNOWN" ]
then GHC2KNOWN=`cygpath -w "$GHC2KNOWN" | tr '\\\\' '/'`
fi
if [ -n "$NHCKNOWN" ]
then NHCKNOWN=`cygpath -w "$NHCKNOWN" | tr '\\\\' '/'`
fi
if [ -n "$NHC2KNOWN" ]
then NHC2KNOWN=`cygpath -w "$NHC2KNOWN" | tr '\\\\' '/'`
fi
CONFIGPATH=`cygpath -w "$CONFIGPATH" | tr '\\\\' '/'`
;;
*) ;;
esac
# ---- ----
export HBCKNOWN GHCKNOWN NHCKNOWN BUILDHMAKE GHC2KNOWN NHC2KNOWN
echo " Now I'm creating targets/$MACHINE/hmake3.config for your installation."
INVOKE="$PWD/script/hmake-config $CONFIGPATH"
if [ -z "$DEBIAN" ]
then
{ echo "$INVOKE new"
if [ "$HBCKNOWN" != "" ]
then echo "$INVOKE add hbc"
echo "$INVOKE add ${HBCKNOWN}"
fi;
if [ "$GHCKNOWN" != "" ]
then echo "$INVOKE add ghc"
echo "$INVOKE add ${GHCKNOWN}"
if which ghc-${GHCVERSION} >/dev/null 2>&1
then echo "$INVOKE add ghc-${GHCVERSION}"
fi
if which ${GHCKNOWN}-${GHCVERSION} >/dev/null 2>&1
then echo "$INVOKE add ${GHCKNOWN}-${GHCVERSION}"
fi
fi;
if [ "$GHC2KNOWN" != "" ]
then echo "$INVOKE add ${COMP}"
echo "$INVOKE add ${GHC2KNOWN}"
fi;
if [ "$NHCKNOWN" != "" ]
then echo "$INVOKE add nhc98"
echo "$INVOKE add ${NHCKNOWN}"
fi;
if [ "$NHC2KNOWN" != "" ]
then echo "$INVOKE add ${COMP}"
echo "$INVOKE add ${NHC2KNOWN}"
fi;
} >targets/$MACHINE/hmake3.config;
else
{ echo "$INVOKE new";
echo "$INVOKE add-dyn /usr/bin/haskell-compiler";
echo "$INVOKE default /usr/bin/haskell-compiler";
} >targets/$MACHINE/hmake3.config;
fi
echo $BUILDHMAKE >targets/$MACHINE/buildwith
echo "Done."
exit 0
|
