#!/usr/local/bin/perl
#
# OS2-EMX.pl - for EMX GCC on OS/2
#

$o='/';
$cp='cp';
$rm='rm -f';

$preamble = "SHELL=sh\n";

# C compiler stuff

$cc='gcc';
$cflags="-DL_ENDIAN -O3 -fomit-frame-pointer -m486 -Zmtd -Wall ";
$cflags.="-Zomf " if $shlib;
$shl_cflag="-Zdll";

if ($debug) { 
	$cflags.="-g "; 
}

$obj=$shlib ? '.obj' : '.o';
$ofile='-o ';

# EXE linking stuff
$link='${CC}';
$lflags='${CFLAGS} -Zbsd-signals -s';
$efile='-o ';
$exep='.exe';
$ex_libs="-lsocket";

# static library stuff
$mklib='ar r';
$mlflags='';
$ranlib="ar s";
$plib='';
$libp=$shlib ? ".lib" : ".a";
$shlibp=$shlib ? ".dll" : ".a";
$lfile='';

$asm=$shlib ? 'as -Zomf' : 'as';
$afile='-o ';
$bn_asm_obj="";
$bn_asm_src="";
$des_enc_obj="";
$des_enc_src="";
$bf_enc_obj="";
$bf_enc_src="";

if (!$no_asm)
	{
	$bn_asm_obj="crypto/bn/asm/bn-os2$obj crypto/bn/asm/co-os2$obj";
	$bn_asm_src="crypto/bn/asm/bn-os2.asm crypto/bn/asm/co-os2.asm";
	$des_enc_obj="crypto/des/asm/d-os2$obj crypto/des/asm/y-os2$obj";
	$des_enc_src="crypto/des/asm/d-os2.asm crypto/des/asm/y-os2.asm";
	$bf_enc_obj="crypto/bf/asm/b-os2$obj";
	$bf_enc_src="crypto/bf/asm/b-os2.asm";
	$cast_enc_obj="crypto/cast/asm/c-os2$obj";
	$cast_enc_src="crypto/cast/asm/c-os2.asm";
	$rc4_enc_obj="crypto/rc4/asm/r4-os2$obj";
	$rc4_enc_src="crypto/rc4/asm/r4-os2.asm";
	$rc5_enc_obj="crypto/rc5/asm/r5-os2$obj";
	$rc5_enc_src="crypto/rc5/asm/r5-os2.asm";
	$md5_asm_obj="crypto/md5/asm/m5-os2$obj";
	$md5_asm_src="crypto/md5/asm/m5-os2.asm";
	$sha1_asm_obj="crypto/sha/asm/s1-os2$obj";
	$sha1_asm_src="crypto/sha/asm/s1-os2.asm";
	$rmd160_asm_obj="crypto/ripemd/asm/rm-os2$obj";
	$rmd160_asm_src="crypto/ripemd/asm/rm-os2.asm";
	$cflags.=" -DBN_ASM -DMD5_ASM -DSHA1_ASM -DOPENSSL_BN_ASM_PART_WORDS";
	}

if ($shlib)
	{
	$mlflags.=" $lflags -Zdll";
	$lib_cflag=" -D_DLL";
	$out_def="out_dll";
	$tmp_def="tmp_dll";
	}

sub do_lib_rule
	{
	local($obj,$target,$name,$shlib)=@_;
	local($ret,$_,$Name);

	$target =~ s/\//$o/g if $o ne '/';
	$target="$target";
	($Name=$name) =~ tr/a-z/A-Z/;

	$ret.="$target: \$(${Name}OBJ)\n";
	if (!$shlib) 
		{
		$ret.="\t\$(RM) $target\n";
		$ret.="\t\$(MKLIB) $target \$(${Name}OBJ)\n";
		$ret.="\t\$(RANLIB) $target\n\n";
		}
	else
		{
		local($ex)=($target =~ /O_SSL/)?' $(L_CRYPTO)':'';
		$ex.=' -lsocket';
		$ret.="\t\$(LINK_CMD) \$(SHLIB_CFLAGS) \$(MLFLAGS) $efile$target \$(SHLIB_EX_OBJ) \$(${Name}OBJ) $ex os2/${Name}.def\n";
		$ret.="\temximp -o $out_def/$name.a os2/${Name}.def\n";
		$ret.="\temximp -o $out_def/$name.lib os2/${Name}.def\n\n";
		}
	}

sub do_link_rule
	{
	local($target,$files,$dep_libs,$libs)=@_;
	local($ret,$_);
	
	$file =~ s/\//$o/g if $o ne '/';
	$n=&bname($target);
	$ret.="$target: $files $dep_libs\n";
	$ret.="\t\$(LINK_CMD) ${efile}$target \$(CFLAG) \$(LFLAGS) $files $libs\n\n";
	return($ret);
	}

1;