Subversion Repositories tendra.SVN

# $Id$
# ex:filetype=sh

# Wrap normal command utilities with env.
AWK="/usr/bin/env awk"
CUT="/usr/bin/env cut"
SED="/usr/bin/env sed"


# Check if the CC environment variable is set.
check_cc()
{
        if [ -z $CC ]; then
                CC="cc";
        elif [ "$CC" = "CC" ]; then
                CC="cc";
                echo "NOTICE: CC is often the C++ compiler, we just need a normal C compiler,";
                echo "        setting CC to \"cc\"."
                echo;
        elif [ "$CC" = "xlc_r" -o "$CC" = "xlc_r4" -o "$CC" = "xlc_r7"\
                -o "$CC" = "cc_r" -o "$CC" = "cc_r4" -o "$CC" = "cc_r7" ]; then
                # We are on AIX, and since we focus on ANSI as a compiler, use
                # the right bootstrapping compiler: xlc (which implies ansi).
                CC="xlc";
                CCTYPE="AIX";
                echo "NOTICE: Using xlc_r or cc_r creates POSIX threaded applications.  We do";
                echo "        not need that.  Setting CC to \"xlc\"."
                echo
        fi

        check_cc_ver ${CC}
}

# Check to see if we can lift the version string from the cc call.
check_cc_ver()
{
        CC=$1

        case "${CC}" in
                cc*)
                VERSIONSTRING=`${CC} --version`
                if [ $? -eq 0 ]; then
                        CCVER=`echo ${VERSIONSTRING} | ${AWK} '{ where = match($0, /[[:digit:]][[:digit:]]?\.?[[:digit:]]?[[:digit:]]?\.[[:digit:]][[:digit:]]?/); if (where != 0) print substr($0, RSTART, RLENGTH); else print where }'`
                fi
                ;;
                [gi]cc*)
                VERSIONSTRING=`${CC} --version`
                if [ $? -eq 0 ]; then
                        CCVER=`echo ${VERSIONSTRING} | ${AWK} '{ where = match($0, /[[:digit:]][[:digit:]]?\.?[[:digit:]]?[[:digit:]]?\.[[:digit:]][[:digit:]]?/); if (where != 0) print substr($0, RSTART, RLENGTH); else print where }'`
                fi
                ;;
                *)
                        CCVER=0
                ;;
        esac

        CCVER_MAJOR=`echo ${CCVER} | ${CUT} -d . -f 1`
        CCVER_MINOR=`echo ${CCVER} | ${CUT} -d . -f 2`
        CCVER_TINY=`echo ${CCVER} | ${CUT} -d . -f 3`
        if [ -z ${CCVER_TINY} ]; then
                CCVER_TINY=0
        fi
}

# Check to see which architecture the host is running on.
check_hostarch()
{
        case "$HOSTARCH" in
                alpha)
                # DEC, nay, Compaq, nay HP Alpha
                BLDARCH="alpha"
                BLDARCHBITS="64"
                ;;
                amd64)
                # AMD64
                BLDARCH="amd64"
                BLDARCHBITS="64"
                ;;
                i386)
                # Intel 80386
                BLDARCH="80x86"
                BLDARCHBITS="32"
                ;;
                i486)
                # Intel 80486
                BLDARCHBITS="32"
                ;;
                i586)
                # Intel 80586 (Pentium, Pentium MMX)
                BLDARCH="80x86"
                BLDARCHBITS="32"
                ;;
                i686)
                # Intel 80686 (Pentium Pro, Pentium II,
                # Pentium III, Pentium 4, AMD Athlon)
                BLDARCH="80x86"
                BLDARCHBITS="32"
                ;;
                sparc)
                # SPARC 32 bit
                BLDARCH="sparc"
                BLDARCHBITS="32"
                ;;
                sparc64)
                # SPARC 64 bit
                BLDARCH="sparc"
                BLDARCHBITS="64"
                ;;
                *)
                echo "Unknown architecture \"${HOSTARCH}\""
                echo "Please report the following to the developers:"
                echo
                echo "uname -m: ${HOSTARCH}"
                echo
                ;;
        esac
}

usage()
{
        echo "makedefs"
        echo "usage: [OPTIONS] ./makedefs [-h]"
        echo
        echo "Configuration definition generator of the TenDRA Project"
        echo
        echo "Available OPTIONS (OPTION=value):"
        echo "PREFIX            installation prefix"
        echo "CC                C compiler command name"
        echo "CFLAGS            C compiler flags"
        echo "EXECFORMAT        desired default executable format (aout, elf)"
}