various Configure and hints updates (prefer drand48() or random()

[perl5.git] / cflags.SH

case $CONFIG in
'')
	if test -f config.sh; then TOP=.;
	elif test -f ../config.sh; then TOP=..;
	elif test -f ../../config.sh; then TOP=../..;
	elif test -f ../../../config.sh; then TOP=../../..;
	elif test -f ../../../../config.sh; then TOP=../../../..;
	else
		echo "Can't find config.sh."; exit 1
	fi
	. $TOP/config.sh
	;;
esac
: This forces SH files to create target in same directory as SH file.
: This is so that make depend always knows where to find SH derivatives.
case "$0" in
*/*) cd `expr X$0 : 'X\(.*\)/'` ;;
esac
echo "Extracting cflags (with variable substitutions)"
: This section of the file will have variable substitutions done on it.
: Move anything that needs config subs from !NO!SUBS! section to !GROK!THIS!.
: Protect any dollar signs and backticks that you do not want interpreted
: by putting a backslash in front.  You may delete these comments.
rm -f cflags
$spitshell >cflags <<!GROK!THIS!
$startsh
!GROK!THIS!

: In the following dollars and backticks do not need the extra backslash.
$spitshell >>cflags <<'!NO!SUBS!'
case $CONFIG in
'')
	if test -f config.sh; then TOP=.;
	elif test -f ../config.sh; then TOP=..;
	elif test -f ../../config.sh; then TOP=../..;
	elif test -f ../../../config.sh; then TOP=../../..;
	elif test -f ../../../../config.sh; then TOP=../../../..;
	else
		echo "Can't find config.sh."; exit 1
	fi
	. $TOP/config.sh
	;;
esac

perltype=''
optdebug=''	# ensure -g used if building a -DDEBUGGING libperl
case $# in
2) case $1 in
    *perl.*)    perltype='';;
    *perld.*)   perltype='-DDEBUGGING'; optdebug='-g' ;;
    *perle.*)   perltype='-DEMBED';;
    *perlde.*)  perltype='-DDEBUGGING -DEMBED'; optdebug='-g' ;;
    *perlm.*)   perltype='-DEMBED -DMULTIPLICITY';;
    *perldm.*)  perltype='-DDEBUGGING -DEMBED -DMULTIPLICITY'; optdebug='-g' ;;
    esac
    shift ;;
esac

also=': '
case $# in
1) also='echo 1>&2 "	  CCCMD = "'
esac

case $# in
0) set *.c; echo "The current C flags are:" ;;
esac

set `echo "$* " | sed -e 's/\.[oc] / /g' -e 's/\.obj / /g'`

for file do

    case "$#" in
    1) ;;
    *) echo $n "    $file.c	$c" ;;
    esac

    : allow variables like toke_cflags to be evaluated

    eval 'eval ${'"${file}_cflags"'-""}'

    : or customize here

    case "$file" in
    DB_File) ;;
    GDBM_File) ;;
    NDBM_File) ;;
    ODBM_File) ;;
    POSIX) ;;
    SDBM_File) ;;
    av) ;;
    byterun) ;;
    deb) ;;
    dl) ;;
    doio) ;;
    doop) ;;
    dump) ;;
    gv) ;;
    hv) ;;
    main) ;;
    malloc) ;;
    mg) ;;
    miniperlmain) ;;
    op) ;;
    perl) ;;
    perlmain) ;;
    perly) ;;
    pp) ;;
    pp_ctl) ;;
    pp_hot) ;;
    pp_sys) ;;
    regcomp) ;;
    regexec) ;;
    run) ;;
    scope) ;;
    sv) ;;
    taint) ;;
    toke) ;;
    usersub) ;;
    util) ;;
    *) ;;
    esac

	if test "X$optdebug" != "X"; then
		optimize="$optdebug"
	fi

    : Can we perhaps use $ansi2knr here
    echo "$cc -c -DPERL_CORE $ccflags $optimize $perltype $large $split"
    eval "$also "'"$cc -DPERL_CORE -c $ccflags $optimize $perltype $large $split"'

    . $TOP/config.sh

done
!NO!SUBS!
chmod 755 cflags
$eunicefix cflags