#!/bin/sh

# Extra warnings, used e.g. for gcc.
warn="-Wall -ansi   -W -Wextra -Wdeclaration-after-statement -Wendif-labels -Wc++-compat"
# Extra standardness.
stdflags=" -std=c89"
# Extra extra.
extra=""

# TODO - remove this Cross-config-xxx stuff

case $PERL_CONFIG_SH in
'')
	if test -f Cross/config-arm.sh; then TOP=.;
	elif test -f ../Cross/config-arm.sh; then TOP=..;
	elif test -f ../../Cross/config-arm.sh; then TOP=../..;
	elif test -f ../../../Cross/config-arm.sh; then TOP=../../..;
	elif test -f ../../../../Cross/config-arm.sh; then TOP=../../../..;
	else
		echo "Can't find config-arm.sh."; exit 1
	fi
	. $TOP/Cross/config-arm.sh
	;;
esac

: syntax: cflags [optimize=XXX] [file[.suffix]]
: displays the compiler command line for file

case "X$1" in
Xoptimize=*|X"optimize=*")
	eval "$1"
	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 "$* " | sed -e 's/\.[oc] / /g' -e "s/\.${CROSS_NAME}o / /g" -e 's/\.obj / /g' -e "s/\\$obj_ext / /g"`

for file do

    case "$#" in
    1) extra="-o $file.${CROSS_NAME}o $extra";;
    *) echo $n "    $file.c	$c" ;;
    esac

    : allow variables like toke_cflags to be evaluated

    if echo $file | grep -v / >/dev/null
    then
      eval 'eval ${'"${file}_cflags"'-""}'
    fi

    : or customize here

    case "$file" in
    DB_File) ;;
    GDBM_File) ;;
    NDBM_File) ;;
    ODBM_File) ;;
    POSIX) ;;
    SDBM_File) ;;
    av) ;;
    byterun) ;;
    deb) ;;
    dl) ;;
    doio) ;;
    doop) ;;
    dump) ;;
    globals) ;;
    gv) ;;
    hv) ;;
    locale) ;;
    madly) ;;
    main) ;;
    malloc) ;;
    mg) ;;
    miniperlmain) ;;
    numeric) ;;
    op) ;;
    opmini) ;;
    pad) ;;
    perl) ;;
    perlapi) ;;
    perlmain) ;;
    perly) ;;
    pp) ;;
    pp_ctl) ;;
    pp_hot) ;;
    pp_pack) ;;
    pp_sort) ;;
    pp_sys) ;;
    regcomp) ;;
    regexec) ;;
    run) ;;
    scope) ;;
    sv) ;;
    taint) ;;
    toke) ;;
    universal) ;;
    usersub) ;;
    utf8) ;;
    util) ;;
    *) ;;
    esac

case "$cc" in
*g++*)
  # Extra paranoia in case people have bad canned ccflags:
  # bad in the sense that the flags are accepted by g++,
  # but then whined about.
  for f in -Wdeclaration-after-statement -std=c89
  do
    ccflags=`echo $ccflags|sed 's/$f/ /'`
  done
  ;;
esac

case "$cc" in
*g++*)
  # Without -Wno-unused-variable g++ 4.x compiles are rather unwatchable
  # because of all the warnings about Perl___notused, and g++ doesn't do
  # __attribute__((unused)) (and even if at some stage it may, people do
  # have older gcc installations), and ((void)x) isn't enough to silence
  # the noises about XS functions not using their cv parameter, so we need
  # the -Wno-unused-parameter too.
  # Yes, we lose some valid warnings, but hopefully other compilers
  # (like gcc) will still pick up those warnings.
  for o in -Wno-unused-variable -Wno-unused-parameter
  do
    case "$warn" in
    *$o*) ;;
    *) warn="$warn $o" ;;
    esac
  done
  ;;
esac

if test -f .patch; then
  ccflags="-DPERL_PATCHNUM=`cat .patch` $ccflags"
fi

    : Can we perhaps use $ansi2knr here
    echo "$CROSSCC -c -DUSE_CROSS_COMPILE -DPERL_CORE $ccflags $stdflags $optimize $warn $extra"
    eval "$also "'"$CROSSCC -DUSE_CROSS_COMPILE -DPERL_CORE -c $ccflags $stdflags $optimize $warn $extra"'

    . $TOP/Cross/config-arm.sh

done
