#!/bin/sh
# $MirOS: src/bin/mksh/Build.sh,v 1.10 2005/06/08 10:19:33 tg Exp $
#-
# Recognised environment variables and their defaults:
#	CC		gcc
#	CFLAGS		-O2 -fno-strict-aliasing -fno-strength-reduce
#	CPPFLAGS	(empty)
#	LDFLAGS		-static
#	LIBS		(empty)
#	srcdir		(path of script)
#	NROFF		nroff	# (ignored if -r option given)
# Hints (don't take tgem seriously, WFM rather):
#	GNU/Linux	CPPFLAGS='-D_FILE_OFFSET_BITS=64'
#	Mac OSX		LDFLAGS=
#	Solaris		LDFLAGS=

SHELL="${SHELL:-/bin/sh}"
srcdir="${srcdir:-`dirname $0`}"
curdir="`pwd`"
CC="${CC:-gcc}"
CFLAGS="${CFLAGS--O2 -fno-strict-aliasing -fno-strength-reduce}"
LDFLAGS="${LDFLAGS--static}"
NROFF="${NROFF:-nroff}"
OS="`uname -s || uname`"
export SHELL CC
if [ x"$1" = x"-q" ]; then
	e=:
	q=1
	shift
else
	e=echo
	q=0
fi
if [ x"$1" = x"-r" ]; then
	r=1
	shift
else
	r=0
fi

SRCS="alloc.c edit.c eval.c exec.c expr.c funcs.c histrap.c"
SRCS="$SRCS jobs.c lex.c main.c misc.c shf.c syn.c tree.c var.c"

# Hello Mr Drepper, we all like you too...</sarcasm>
[ x"$OS" = x"Linux" ] && SRCS="$SRCS strlfun.c"

$e Generating prerequisites...
$SHELL "$srcdir/gensigs.sh"
for hdr in errno signal; do
	h2ph -d . /usr/include/$hdr.h && mv _h2ph_pre.ph $hdr.ph
done
$e Building...
( cd "$srcdir" && exec $CC $CFLAGS -I "$curdir" $CPPFLAGS $LDFLAGS \
    -o $curdir/mksh $SRCS $LIBS )
test -x mksh || exit 1
$e Finalising...
[ $r = 1 ] || $NROFF -mdoc <"$srcdir/mksh.1" >mksh.cat1 || rm -f mksh.cat1
[ $q = 1 ] || size mksh
$e done.
$e
$e Testing mirbsdksh:
$e "$ perl '$srcdir/check.pl' -s '$srcdir/check.t' -p '$curdir/mksh' -C pdksh"
$e
$e Installing mirbsdksh:
$e "# install -c -s -o root -g bin -m 555 mksh /bin/mksh"
$e "# echo /bin/mksh >>/etc/shells"
$e
$e Installing the manual:
if test -s mksh.cat1; then
	$e "# install -c -o root -g bin -m 444 mksh.cat1" \
	    "/usr/share/man/cat1/mksh.0"
	$e or
fi
$e "# install -c -o root -g bin -m 444 mksh.1 /usr/share/man/man1/mksh.1"