Changes to have OpenSSL compile on OS/2.
Contributed by "Brian Havard" <brianh@kheldar.apana.org.au>

util/mk1mf.pl

diff --git a/util/mk1mf.pl b/util/mk1mf.pl
index e6aa5c4..014c4df 100755
--- a/util/mk1mf.pl
+++ b/util/mk1mf.pl
@@ -37,6 +37,7 @@
 	"linux-elf","Linux elf",
 	"ultrix-mips","DEC mips ultrix",
 	"FreeBSD","FreeBSD distribution",
+	"OS2-EMX", "EMX GCC OS/2",
 	"default","cc under unix",
 	);
 
@@ -182,6 +183,11 @@
 	require "ultrix.pl";
 	$unix=1;
 	}
+elsif ($platform eq "OS2-EMX")
+	{
+	$wc=1;
+	require 'OS2-EMX.pl';
+	}
 else
 	{
 	require "unix.pl";

util/pl/OS2-EMX.pl

diff --git a/util/pl/OS2-EMX.pl b/util/pl/OS2-EMX.pl
new file mode 100644
index 0000000..5718055
--- /dev/null
+++ b/util/pl/OS2-EMX.pl
@@ -0,0 +1,96 @@
+#!/usr/local/bin/perl
+#
+# OS2-EMX.pl - for EMX GCC on OS/2
+#
+
+$o='\\';
+$cp='copy';
+$rm='rm -f';
+
+# C compiler stuff
+
+$cc='gcc';
+$cflags="-DL_ENDIAN -O3 -fomit-frame-pointer -m486 -Zmt -Wall ";
+
+if ($debug) { 
+	$cflags.="-g "; 
+}
+
+$obj='.o';
+$ofile='-o ';
+
+# EXE linking stuff
+$link='${CC}';
+$lflags='${CFLAGS} -Zbsd-signals';
+$efile='-o ';
+$exep='.exe';
+$ex_libs="-lsocket";
+
+# static library stuff
+$mklib='ar r';
+$mlflags='';
+$ranlib="ar s";
+$plib='lib';
+$libp=".a";
+$shlibp=".a";
+$lfile='';
+
+$asm='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.o crypto\bn\asm\co-os2.o';
+	$bn_asm_src='crypto\bn\asm\bn-os2.asm crypto\bn\asm\co-os2.asm';
+	$des_enc_obj='crypto\des\asm\d-os2.o crypto\des\asm\y-os2.o';
+	$des_enc_src='crypto\des\asm\d-os2.asm crypto\des\asm\y-os2.asm';
+	$bf_enc_obj='crypto\bf\asm\b-os2.o';
+	$bf_enc_src='crypto\bf\asm\b-os2.asm';
+	$cast_enc_obj='crypto\cast\asm\c-os2.o';
+	$cast_enc_src='crypto\cast\asm\c-os2.asm';
+	$rc4_enc_obj='crypto\rc4\asm\r4-os2.o';
+	$rc4_enc_src='crypto\rc4\asm\r4-os2.asm';
+	$rc5_enc_obj='crypto\rc5\asm\r5-os2.o';
+	$rc5_enc_src='crypto\rc5\asm\r5-os2.asm';
+	$md5_asm_obj='crypto\md5\asm\m5-os2.o';
+	$md5_asm_src='crypto\md5\asm\m5-os2.asm';
+	$sha1_asm_obj='crypto\sha\asm\s1-os2.o';
+	$sha1_asm_src='crypto\sha\asm\s1-os2.asm';
+	$rmd160_asm_obj='crypto\ripemd\asm\rm-os2.o';
+	$rmd160_asm_src='crypto\ripemd\asm\rm-os2.asm';
+	}
+
+sub do_lib_rule
+	{
+	local($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";
+	$ret.="\t\$(RM) $target\n";
+	$ret.="\t\$(MKLIB) $target \$(${Name}OBJ)\n";
+	$ret.="\t\$(RANLIB) $target\n\n";
+	}
+
+sub do_link_rule
+	{
+	local($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) ${efile}$target \$(LFLAGS) $files $libs\n\n";
+	return($ret);
+	}
+
+1;