#!/bin/sh prefix="/usr/local" while [ $# -gt 0 ]; do    arg=$1    shift    case "$arg" in        "--redo" | "-r")            if [ -f ./configvar_cache ]; then                . ./configvar_cache            fi            ;;        "--prefix" | "-p")            prefix=$1            shift            ;;        --prefix=*)            prefix=`echo $arg | sed 's/^--prefix=//g'`            ;;        "--help" | "-h")            echo "Usage:"            echo "      --prefix | -p: The prefix to install to"            exit            ;;        *) echo "Unrecognized argument $arg";;    esacdone OS=`uname`MACH=`uname -m` rm -f config.mkrm -f config.hrm -f mbld/config.myrrm -f configvar_cache echo export INST_ROOT=$prefix >> config.mk echo "pkg config = " >> mbld/config.myr symprefix='""'defaultasm='Gnugaself'sysinit=''env='[][:]'case $OS in    *Linux*)        echo 'export SYS=linux' >> config.mk        echo export INST_MAN=$prefix/share/man/man >> config.mk        echo 'const Sys = "Linux"' >> mbld/config.myr        echo 'const Linkcmd = ["ld", "--gc-sections"]' >> mbld/config.myr        echo 'const Dlflags = ["-dynamic-linker",' \            '"/lib64/ld-linux-x86-64.so.2"]' >> mbld/config.myr        echo "const Manpath = \"share/man/man\"" >> mbld/config.myr        ;;    *Darwin*)	symprefix='"_"'	defaultasm=Gnugasmacho	sysinit='setenv("MACOSX_DEPLOYMENT_TARGET", "10.6", 0)'        echo 'export SYS=osx' >> config.mk        echo export INST_MAN=$prefix/share/man/man >> config.mk        echo export MACOSX_DEPLOYMENT_TARGET=10.6 >> config.mk        echo 'const Sys = "OSX"' >> mbld/config.myr        echo 'const Linkcmd = ["ld", ' \            '"-pagezero_size", "0x100000000",' \            '"-macosx_version_min", "10.6",'\            ']' >> mbld/config.myr        echo "const Manpath = \"share/man/man\"" >> mbld/config.myr        echo 'const Dlflags : byte[:][:] = [][:]' >> mbld/config.myr	env='[("MACOSX_DEPLOYMENT_TARGET", "10.6")][:]'        ;;    *FreeBSD*)        echo 'export SYS=freebsd' >> config.mk        echo export INST_MAN=$prefix/man/man >> config.mk        echo 'const Sys = "FreeBSD"' >> mbld/config.myr        echo 'const Linkcmd = ["ld", "--gc-sections"]' >> mbld/config.myr        echo 'const Dlflags : byte[:][:] = [][:]' >> mbld/config.myr        echo "const Manpath = \"man/man\"" >> mbld/config.myr        ;;    *NetBSD*)        echo 'export SYS=netbsd' >> config.mk        echo export INST_MAN=$prefix/man/man >> config.mk        echo 'const Sys = "NetBSD"' >> mbld/config.myr        echo 'const Linkcmd = ["ld"]' >> mbld/config.myr        echo 'const Dlflags : byte[:][:] = [][:]' >> mbld/config.myr        echo "const Manpath = \"man/man\"" >> mbld/config.myr        ;;    *OpenBSD*)        echo 'export SYS=openbsd' >> config.mk        echo export INST_MAN=$prefix/man/man >> config.mk        echo 'const Sys = "OpenBSD"' >> mbld/config.myr        echo 'const Linkcmd = ["ld", "-nopie", "--gc-sections"]' >> mbld/config.myr        echo 'const Dlflags = ["-dynamic-linker",' \            '"/usr/libexec/ld.so"]' >> mbld/config.myr        echo "const Manpath = \"man/man\"" >> mbld/config.myr        ;;    *)        echo ''        echo '********************************'        echo 'Unknown system '$OS        echo 'Cannot build'        echo '********************************'        rm -f config.h config.mk        exit 1        ;;esac # config.hecho '#define Instroot "'$prefix'"' >> config.hecho '#define Asmcmd {"as", "-o", NULL}' >> config.hecho '#define Objsuffix ".o"' >> config.hecho 'export SYSCLASS=posixy' >> config.mkecho '#define Symprefix' $symprefix >> config.hecho '#define Defaultasm' $defaultasm >> config.hecho '#define Sysinit ' $sysinit >> config.h # mbld mbld/config.myrecho "const Instroot = \"$prefix\"" >> mbld/config.myrecho "const Objsuffix = \".o\"" >> mbld/config.myrecho "const Arcmd = [\"ar\", \"-rcs\"]" >> mbld/config.myrecho "const Ascmd = [\"as\", \"-g\"]" >> mbld/config.myrecho "const Directlib = false" >> mbld/config.myrecho "const Runtime = \"_myrrt.o\"" >> mbld/config.myr # paths to install toecho "const Sharepath = \"share\"" >> mbld/config.myrecho "const Binpath = \"bin\"" >> mbld/config.myrecho "const Libpath = \"lib/myr\"" >> mbld/config.myrecho "const Stripman = false" >> mbld/config.myrecho "const Env : (byte[:], byte[:])[:] = $env" >> mbld/config.myr  case $MACH in    *x86_64* | *amd64*)	echo 'export ARCH=x64' >> config.mk        echo 'const Arch = "x64"' >> mbld/config.myr        ;;    *)        echo ''        echo '********************************'        echo 'Unknown arch '$MACH        echo 'Cannot build'        echo '********************************'	;;esac echo ';;' >> mbld/config.myr echo "prefix=$prefix" > configvar_cachecat << EOF    Building with:        prefix=$prefixEOF