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#!/bin/sh
#######################################################################
# #
# The Compcert verified compiler #
# #
# Xavier Leroy, INRIA Paris-Rocquencourt #
# #
# Copyright Institut National de Recherche en Informatique et en #
# Automatique. All rights reserved. This file is distributed #
# under the terms of the INRIA Non-Commercial License Agreement. #
# #
#######################################################################
prefix=/usr/local
bindir='$(PREFIX)/bin'
libdir='$(PREFIX)/lib/compcert'
target=''
prompt() {
echo "$1 [$x] ? " | tr -d '\n'
read y
case "$y" in
"") ;;
none) x="";;
*) x="$y";;
esac
}
usage='Usage: ./configure [options] target
Supported targets:
ppc-macosx (PowerPC, MacOS X)
ppc-linux (PowerPC, Linux)
arm-linux (ARM, Linux)
manual (edit configuration file by hand)
Options:
-prefix <dir> Install in <dir>/bin and <dir>/lib/compcert
-bindir <dir> Install binaries in <dir>
-libdir <dir> Install libraries in <dir>
'
# Parse command-line arguments
while : ; do
case "$1" in
"") break;;
-prefix|--prefix)
prefix=$2; shift;;
-bindir|--bindir)
bindir=$2; shift;;
-libdir|--libdir)
libdir=$2; shift;;
*)
if test -n "$target"; then echo "$usage" 1>&2; exit 2; fi
target="$1";;
esac
shift
done
# Per-target configuration
case "$target" in
powerpc-macosx|ppc-macosx)
arch="powerpc"
variant="macosx"
system="macosx"
cc="gcc -arch ppc"
cprepro="gcc -arch ppc -U__GNUC__ -U__BLOCKS__ -E"
casm="gcc -arch ppc -c"
clinker="gcc -arch ppc"
libmath="";;
powerpc-linux|ppc-linux)
arch="powerpc"
variant="eabi"
system="linux"
cc="gcc"
cprepro="gcc -U__GNUC__ -E"
casm="gcc -c"
clinker="gcc"
libmath="-lm";;
arm-linux)
arch="arm"
variant="linux"
system="linux"
cc="gcc"
cprepro="gcc -U__GNUC__ -E"
casm="gcc -c"
clinker="gcc"
libmath="-lm";;
manual)
;;
"")
echo "No target specified." 1>&2
echo "$usage" 1>&2
exit 2;;
*)
echo "Unknown target '$target'." 1>&2
echo "$usage" 1>&2
exit 2;;
esac
# Generate Makefile.config
rm -f Makefile.config
cat > Makefile.config <<EOF
PREFIX=$prefix
BINDIR=$bindir
LIBDIR=$libdir
EOF
if test "$target" != "manual"; then
cat >> Makefile.config <<EOF
ARCH=$arch
VARIANT=$variant
SYSTEM=$system
CC=$cc
CPREPRO=$cprepro
CASM=$casm
CLINKER=$clinker
LIBMATH=$libmath
EOF
else
cat >> Makefile.config <<'EOF'
# Target architecture
# ARCH=powerpc
# ARCH=arm
ARCH=
# Target ABI
# VARIANT=macosx # for PowerPC / MacOS X
# VARIANT=eabi # for PowerPC / Linux and other SVR4 or EABI platforms
# VARIANT=linux # for ARM
VARIANT=
# Target operating system and development environment
# Possible choices for PowerPC:
# SYSTEM=macosx
# SYSTEM=linux
# SYSTEM=diab
# Possible choices for ARM:
# SYSTEM=linux
SYSTEM=
# C compiler for compiling library files
CC=gcc
# Preprocessor for .c files
CPREPRO=gcc -U__GNUC__ -E
# Assembler for assembling .s files
CASM=gcc -c
# Linker
CLINKER=gcc
# Math library
LIBMATH=-lm
# CIL configuration target -- do not change
EOF
fi
# Summarize configuration
if test "$target" = "manual"; then
cat <<EOF
Please finish the configuration by editing file ./Makefile.config
EOF
else
bindirexp=`echo "$bindir" | sed -e "s|\\\$(PREFIX)|$prefix|"`
libdirexp=`echo "$libdir" | sed -e "s|\\\$(PREFIX)|$prefix|"`
cat <<EOF
CompCert configuration:
Target architecture........... $arch
Application binary interface.. $variant
OS and development env........ $system
C compiler.................... $cc
C preprocessor................ $cprepro
Assembler..................... $casm
Linker........................ $clinker
Math library.................. $libmath
Binaries installed in......... $bindirexp
Library files installed in.... $libdirexp
EOF
fi
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