Use new-style system-id macros everywhere possible. I hope I haven't

missed any.

This compiles and runs on Linux, and external applications have no
problems with it.  The definite test will be to build this on VMS.

38 files changed, 92 insertions, 89 deletions

diff --git a/apps/app_rand.c b/apps/app_rand.c
index 9d6d5fbf6f..b7b6128c1e 100644
--- a/apps/app_rand.c
+++ b/apps/app_rand.c
@@ -124,7 +124,7 @@ int app_RAND_load_file(const char *file, BIO *bio_e, int dont_warn)
 	int consider_randfile = (file == NULL);
 	char buffer[200];
 	
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 	BIO_printf(bio_e,"Loading 'screen' into random state -");
 	BIO_flush(bio_e);
 	RAND_screen();
diff --git a/apps/apps.c b/apps/apps.c
index a1397a36d8..2ecb6618f5 100644
--- a/apps/apps.c
+++ b/apps/apps.c
@@ -70,7 +70,7 @@
 #include <openssl/pkcs12.h>
 #include <openssl/safestack.h>
 
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 #  include "bss_file.c"
 #endif
 
@@ -184,7 +184,7 @@ int str2fmt(char *s)
 		return(FORMAT_UNDEF);
 	}
 
-#if defined(MSDOS) || defined(WIN32) || defined(WIN16)
+#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
 void program_name(char *in, char *out, int size)
 	{
 	int i,n;
@@ -222,7 +222,7 @@ void program_name(char *in, char *out, int size)
 	out[n]='\0';
 	}
 #else
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 void program_name(char *in, char *out, int size)
 	{
 	char *p=in, *q;
@@ -258,10 +258,10 @@ void program_name(char *in, char *out, int size)
 #endif
 #endif
 
-#ifdef WIN32
+#ifdef OPENSSL_SYS_WIN32
 int WIN32_rename(char *from, char *to)
 	{
-#ifdef WINNT
+#ifdef OPENSSL_SYS_WINNT
 	int ret;
 /* Note: MoveFileEx() doesn't work under Win95, Win98 */
 
diff --git a/apps/asn1pars.c b/apps/asn1pars.c
index f25c9f84e8..108ed7daa0 100644
--- a/apps/asn1pars.c
+++ b/apps/asn1pars.c
@@ -206,7 +206,7 @@ bad:
 		goto end;
 		}
 	BIO_set_fp(out,stdout,BIO_NOCLOSE|BIO_FP_TEXT);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 	{
 	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 	out = BIO_push(tmpbio, out);
diff --git a/apps/ca.c b/apps/ca.c
index 584a2f561f..a72aaef184 100644
--- a/apps/ca.c
+++ b/apps/ca.c
@@ -79,7 +79,7 @@
 #include <openssl/engine.h>
 
 #ifndef W_OK
-#  ifdef VMS
+#  ifdef OPENSSL_SYS_VMS
 #    if defined(__DECC)
 #      include <unistd.h>
 #    else
@@ -545,7 +545,7 @@ bad:
 	if (configfile == NULL)
 		{
 		/* We will just use 'buf[0]' as a temporary buffer.  */
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		strncpy(buf[0],X509_get_default_cert_area(),
 			sizeof(buf[0])-1-sizeof(CONFIG_FILE));
 #else
@@ -755,7 +755,8 @@ bad:
 			BIO_printf(bio_err,"there needs to be defined a directory for new certificate to be placed in\n");
 			goto err;
 			}
-#ifndef VMS /* outdir is a directory spec, but access() for VMS demands a
+#ifndef OPENSSL_SYS_VMS
+	    /* outdir is a directory spec, but access() for VMS demands a
 	       filename.  In any case, stat(), below, will catch the problem
 	       if outdir is not a directory spec, and the fopen() or open()
 	       will catch an error if there is no write access.
@@ -853,7 +854,7 @@ bad:
 	if (verbose)
 		{
 		BIO_set_fp(out,stdout,BIO_NOCLOSE|BIO_FP_TEXT); /* cannot fail */
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
@@ -996,7 +997,7 @@ bad:
 		else
 			{
 			BIO_set_fp(Sout,stdout,BIO_NOCLOSE|BIO_FP_TEXT);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 			{
 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 			Sout = BIO_push(tmpbio, Sout);
@@ -1232,7 +1233,7 @@ bad:
 
 			strncpy(buf[0],serialfile,BSIZE-4);
 
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 			strcat(buf[0],"-new");
 #else
 			strcat(buf[0],".new");
@@ -1242,7 +1243,7 @@ bad:
 
 			strncpy(buf[1],dbfile,BSIZE-4);
 
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 			strcat(buf[1],"-new");
 #else
 			strcat(buf[1],".new");
@@ -1272,7 +1273,7 @@ bad:
 			
 			strncpy(buf[2],outdir,BSIZE-(j*2)-6);
 
-#ifndef VMS
+#ifndef OPENSSL_SYS_VMS
 			strcat(buf[2],"/");
 #endif
 
@@ -1309,7 +1310,7 @@ bad:
 			/* Rename the database and the serial file */
 			strncpy(buf[2],serialfile,BSIZE-4);
 
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 			strcat(buf[2],"-old");
 #else
 			strcat(buf[2],".old");
@@ -1337,7 +1338,7 @@ bad:
 
 			strncpy(buf[2],dbfile,BSIZE-4);
 
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 			strcat(buf[2],"-old");
 #else
 			strcat(buf[2],".old");
diff --git a/apps/ciphers.c b/apps/ciphers.c
index 9ba1bffd37..c3bd859d68 100644
--- a/apps/ciphers.c
+++ b/apps/ciphers.c
@@ -108,7 +108,7 @@ int MAIN(int argc, char **argv)
 	if (bio_err == NULL)
 		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 	STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 	{
 	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 	STDout = BIO_push(tmpbio, STDout);
diff --git a/apps/crl.c b/apps/crl.c
index 666a8576fb..fb36ed5d02 100644
--- a/apps/crl.c
+++ b/apps/crl.c
@@ -124,7 +124,7 @@ int MAIN(int argc, char **argv)
 		if ((bio_out=BIO_new(BIO_s_file())) != NULL)
 			{
 			BIO_set_fp(bio_out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 			{
 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 			bio_out = BIO_push(tmpbio, bio_out);
@@ -324,7 +324,7 @@ bad:
 	if (outfile == NULL)
 		{
 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/crl2p7.c b/apps/crl2p7.c
index 7f853b65ab..36d8afee6f 100644
--- a/apps/crl2p7.c
+++ b/apps/crl2p7.c
@@ -241,7 +241,7 @@ bad:
 	if (outfile == NULL)
 		{
 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/dgst.c b/apps/dgst.c
index 4f1660c2a6..a6b2e309c4 100644
--- a/apps/dgst.c
+++ b/apps/dgst.c
@@ -272,7 +272,7 @@ int MAIN(int argc, char **argv)
 		else    out = BIO_new_file(outfile, "w");
 	} else {
 		out = BIO_new_fp(stdout, BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/dh.c b/apps/dh.c
index 07f3873f66..6162e442ba 100644
--- a/apps/dh.c
+++ b/apps/dh.c
@@ -213,7 +213,7 @@ bad:
 	if (outfile == NULL)
 		{
 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/dhparam.c b/apps/dhparam.c
index d7fa612491..bbc64d5eb0 100644
--- a/apps/dhparam.c
+++ b/apps/dhparam.c
@@ -419,7 +419,7 @@ bad:
 	if (outfile == NULL)
 		{
 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/dsa.c b/apps/dsa.c
index d0caac4489..6e9e6c7566 100644
--- a/apps/dsa.c
+++ b/apps/dsa.c
@@ -262,7 +262,7 @@ bad:
 	if (outfile == NULL)
 		{
 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/dsaparam.c b/apps/dsaparam.c
index 64cadeb3b8..e923f10dbb 100644
--- a/apps/dsaparam.c
+++ b/apps/dsaparam.c
@@ -216,7 +216,7 @@ bad:
 	if (outfile == NULL)
 		{
 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/enc.c b/apps/enc.c
index d062b61ec5..332c2ba9da 100644
--- a/apps/enc.c
+++ b/apps/enc.c
@@ -407,7 +407,7 @@ bad:
 	if (outf == NULL)
 		{
 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/engine.c b/apps/engine.c
index b320db6c8f..12a88f1957 100644
--- a/apps/engine.c
+++ b/apps/engine.c
@@ -133,7 +133,7 @@ int MAIN(int argc, char **argv)
 	if (bio_err == NULL)
 		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 	bio_out=BIO_new_fp(stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 	{
 	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 	bio_out = BIO_push(tmpbio, bio_out);
diff --git a/apps/errstr.c b/apps/errstr.c
index e392328f93..c411effcd0 100644
--- a/apps/errstr.c
+++ b/apps/errstr.c
@@ -91,7 +91,7 @@ int MAIN(int argc, char **argv)
 		out=BIO_new(BIO_s_file());
 		if ((out != NULL) && BIO_set_fp(out,stdout,BIO_NOCLOSE))
 			{
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 			{
 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 			out = BIO_push(tmpbio, out);
diff --git a/apps/gendh.c b/apps/gendh.c
index 27da7cdd31..0b47867c20 100644
--- a/apps/gendh.c
+++ b/apps/gendh.c
@@ -171,7 +171,7 @@ bad:
 	if (outfile == NULL)
 		{
 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/gendsa.c b/apps/gendsa.c
index f7c5f4791a..47dbde67c7 100644
--- a/apps/gendsa.c
+++ b/apps/gendsa.c
@@ -207,7 +207,7 @@ bad:
 	if (outfile == NULL)
 		{
 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/genrsa.c b/apps/genrsa.c
index a2e7d989fd..c263956c03 100644
--- a/apps/genrsa.c
+++ b/apps/genrsa.c
@@ -197,7 +197,7 @@ bad:
 	if (outfile == NULL)
 		{
 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/nseq.c b/apps/nseq.c
index 1d73d1ad52..93adcdfef8 100644
--- a/apps/nseq.c
+++ b/apps/nseq.c
@@ -121,7 +121,7 @@ int MAIN(int argc, char **argv)
 		}
 	} else {
 		out = BIO_new_fp(stdout, BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/openssl.c b/apps/openssl.c
index 6c69a29bd6..c7ee7533b4 100644
--- a/apps/openssl.c
+++ b/apps/openssl.c
@@ -254,7 +254,7 @@ int main(int Argc, char *Argv[])
 	if (p == NULL)
 		{
 		strcpy(config_name,X509_get_default_cert_area());
-#ifndef VMS
+#ifndef OPENSSL_SYS_VMS
 		strcat(config_name,"/");
 #endif
 		strcat(config_name,OPENSSL_CONF);
@@ -372,7 +372,7 @@ static int do_cmd(LHASH *prog, int argc, char *argv[])
 	else if ((strncmp(argv[0],"no-",3)) == 0)
 		{
 		BIO *bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		bio_stdout = BIO_push(tmpbio, bio_stdout);
@@ -409,7 +409,7 @@ static int do_cmd(LHASH *prog, int argc, char *argv[])
 		else /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */
 			list_type = FUNC_TYPE_CIPHER;
 		bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		bio_stdout = BIO_push(tmpbio, bio_stdout);
diff --git a/apps/passwd.c b/apps/passwd.c
index 9cc3f4bf2d..f190e16cb5 100644
--- a/apps/passwd.c
+++ b/apps/passwd.c
@@ -83,7 +83,7 @@ int MAIN(int argc, char **argv)
 	if (out == NULL)
 		goto err;
 	BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 	{
 	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 	out = BIO_push(tmpbio, out);
diff --git a/apps/pkcs12.c b/apps/pkcs12.c
index 8b1586faf5..17846cfba6 100644
--- a/apps/pkcs12.c
+++ b/apps/pkcs12.c
@@ -375,7 +375,7 @@ int MAIN(int argc, char **argv)
 
     if (!outfile) {
 	out = BIO_new_fp(stdout, BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 	{
 	    BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 	    out = BIO_push(tmpbio, out);
diff --git a/apps/pkcs7.c b/apps/pkcs7.c
index b348da2203..63ec8a5744 100644
--- a/apps/pkcs7.c
+++ b/apps/pkcs7.c
@@ -225,7 +225,7 @@ bad:
 	if (outfile == NULL)
 		{
 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/pkcs8.c b/apps/pkcs8.c
index 3633590874..852a435584 100644
--- a/apps/pkcs8.c
+++ b/apps/pkcs8.c
@@ -226,7 +226,7 @@ int MAIN(int argc, char **argv)
 		}
 	} else {
 		out = BIO_new_fp (stdout, BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 			out = BIO_push(tmpbio, out);
diff --git a/apps/rand.c b/apps/rand.c
index 855951db76..8a216fbc75 100644
--- a/apps/rand.c
+++ b/apps/rand.c
@@ -132,7 +132,7 @@ int MAIN(int argc, char **argv)
 	else
 		{
 		r = BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/req.c b/apps/req.c
index 296825cab2..e75d7abf09 100644
--- a/apps/req.c
+++ b/apps/req.c
@@ -435,7 +435,7 @@ bad:
 	if (p == NULL)
 		{
 		strcpy(config_name,X509_get_default_cert_area());
-#ifndef VMS
+#ifndef OPENSSL_SYS_VMS
 		strcat(config_name,"/");
 #endif
 		strcat(config_name,OPENSSL_CONF);
@@ -697,7 +697,7 @@ bad:
 			{
 			BIO_printf(bio_err,"writing new private key to stdout\n");
 			BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 			{
 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 			out = BIO_push(tmpbio, out);
@@ -910,7 +910,7 @@ loop:
 	if (outfile == NULL)
 		{
 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/rsa.c b/apps/rsa.c
index e395d54df2..bdfe2189ba 100644
--- a/apps/rsa.c
+++ b/apps/rsa.c
@@ -307,7 +307,7 @@ bad:
 	if (outfile == NULL)
 		{
 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		out = BIO_push(tmpbio, out);
diff --git a/apps/rsautl.c b/apps/rsautl.c
index ba31979618..662c11a70b 100644
--- a/apps/rsautl.c
+++ b/apps/rsautl.c
@@ -227,7 +227,7 @@ int MAIN(int argc, char **argv)
 		}
 	} else {
 		out = BIO_new_fp(stdout, BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		    BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		    out = BIO_push(tmpbio, out);
diff --git a/apps/s_apps.h b/apps/s_apps.h
index 57af7c0f8c..235a1778e8 100644
--- a/apps/s_apps.h
+++ b/apps/s_apps.h
@@ -57,7 +57,9 @@
  */
 
 #include <sys/types.h>
-#if (defined(VMS) || defined(__VMS)) && !defined(FD_SET)
+#include <openssl/opensslconf.h>
+
+#if defined(OPENSSL_SYS_VMS) && !defined(FD_SET)
 /* VAX C does not defined fd_set and friends, but it's actually quite simple */
 /* These definitions are borrowed from SOCKETSHR.	/Richard Levitte */
 #define MAX_NOFILE	32
diff --git a/apps/s_client.c b/apps/s_client.c
index bdb94dab44..19c9a217df 100644
--- a/apps/s_client.c
+++ b/apps/s_client.c
@@ -68,7 +68,7 @@
    recursive header file inclusion, resulting in the compiler complaining
    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
    is needed to have fileno() declared correctly...  So let's define u_int */
-#if defined(VMS) && defined(__DECC) && !defined(__U_INT)
+#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 #define __U_INT
 typedef unsigned int u_int;
 #endif
@@ -82,12 +82,12 @@ typedef unsigned int u_int;
 #include <openssl/engine.h>
 #include "s_apps.h"
 
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 #include <conio.h>
 #endif
 
 
-#if (defined(VMS) && __VMS_VER < 70000000)
+#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 #undef FIONBIO
 #endif
@@ -186,7 +186,7 @@ int MAIN(int argc, char **argv)
 	char *inrand=NULL;
 	char *engine_id=NULL;
 	ENGINE *e=NULL;
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 	struct timeval tv;
 #endif
 
@@ -537,7 +537,7 @@ re_start:
 
 		if (!ssl_pending)
 			{
-#ifndef WINDOWS
+#ifndef OPENSSL_SYS_WINDOWS
 			if (tty_on)
 				{
 				if (read_tty)  FD_SET(fileno(stdin),&readfds);
@@ -564,7 +564,7 @@ re_start:
 			 * will choke the compiler: if you do have a cast then
 			 * you can either go for (int *) or (void *).
 			 */
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 			/* Under Windows we make the assumption that we can
 			 * always write to the tty: therefore if we need to
 			 * write to the tty we just fall through. Otherwise
@@ -663,7 +663,7 @@ re_start:
 				goto shut;
 				}
 			}
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 		/* Assume Windows can always write */
 		else if (!ssl_pending && write_tty)
 #else
@@ -744,7 +744,7 @@ printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240
 				}
 			}
 
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 		else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
 #else
 		else if (FD_ISSET(fileno(stdin),&readfds))
diff --git a/apps/s_server.c b/apps/s_server.c
index c83337b828..3828d79e7d 100644
--- a/apps/s_server.c
+++ b/apps/s_server.c
@@ -70,7 +70,7 @@
    recursive header file inclusion, resulting in the compiler complaining
    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
    is needed to have fileno() declared correctly...  So let's define u_int */
-#if defined(VMS) && defined(__DECC) && !defined(__U_INT)
+#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 #define __U_INT
 typedef unsigned int u_int;
 #endif
@@ -86,11 +86,11 @@ typedef unsigned int u_int;
 #include <openssl/engine.h>
 #include "s_apps.h"
 
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 #include <conio.h>
 #endif
 
-#if (defined(VMS) && __VMS_VER < 70000000)
+#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 #undef FIONBIO
 #endif
@@ -815,7 +815,7 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 	unsigned long l;
 	SSL *con=NULL;
 	BIO *sbio;
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 	struct timeval tv;
 #endif
 
@@ -882,7 +882,7 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 		if (!read_from_sslcon)
 			{
 			FD_ZERO(&readfds);
-#ifndef WINDOWS
+#ifndef OPENSSL_SYS_WINDOWS
 			FD_SET(fileno(stdin),&readfds);
 #endif
 			FD_SET(s,&readfds);
@@ -892,7 +892,7 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 			 * the compiler: if you do have a cast then you can either
 			 * go for (int *) or (void *).
 			 */
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 			/* Under Windows we can't select on stdin: only
 			 * on sockets. As a workaround we timeout the select every
 			 * second and check for any keypress. In a proper Windows
@@ -1294,7 +1294,7 @@ static int www_body(char *hostname, int s, unsigned char *context)
 			else
 				{
 				BIO_printf(bio_s_out,"read R BLOCK\n");
-#ifndef MSDOS
+#ifndef OPENSSL_SYS_MSDOS
 				sleep(1);
 #endif
 				continue;
diff --git a/apps/s_socket.c b/apps/s_socket.c
index a61e6455a5..c261abb361 100644
--- a/apps/s_socket.c
+++ b/apps/s_socket.c
@@ -66,7 +66,7 @@
    recursive header file inclusion, resulting in the compiler complaining
    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
    is needed to have fileno() declared correctly...  So let's define u_int */
-#if defined(VMS) && defined(__DECC) && !defined(__U_INT)
+#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 #define __U_INT
 typedef unsigned int u_int;
 #endif
@@ -80,7 +80,7 @@ typedef unsigned int u_int;
 #include <openssl/ssl.h>
 
 static struct hostent *GetHostByName(char *name);
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 static void sock_cleanup(void);
 #endif
 static int sock_init(void);
@@ -90,17 +90,17 @@ static int init_server_long(int *sock, int port,char *ip);
 static int do_accept(int acc_sock, int *sock, char **host);
 static int host_ip(char *str, unsigned char ip[4]);
 
-#ifdef WIN16
+#ifdef OPENSSL_SYS_WIN16
 #define SOCKET_PROTOCOL	0 /* more microsoft stupidity */
 #else
 #define SOCKET_PROTOCOL	IPPROTO_TCP
 #endif
 
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 static struct WSAData wsa_state;
 static int wsa_init_done=0;
 
-#ifdef WIN16
+#ifdef OPENSSL_SYS_WIN16
 static HWND topWnd=0;
 static FARPROC lpTopWndProc=NULL;
 static FARPROC lpTopHookProc=NULL;
@@ -129,10 +129,10 @@ static BOOL CALLBACK enumproc(HWND hwnd,LPARAM lParam)
 	return(FALSE);
 	}
 
-#endif /* WIN32 */
-#endif /* WINDOWS */
+#endif /* OPENSSL_SYS_WIN32 */
+#endif /* OPENSSL_SYS_WINDOWS */
 
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 static void sock_cleanup(void)
 	{
 	if (wsa_init_done)
@@ -146,7 +146,7 @@ static void sock_cleanup(void)
 
 static int sock_init(void)
 	{
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 	if (!wsa_init_done)
 		{
 		int err;
@@ -163,15 +163,15 @@ static int sock_init(void)
 			return(0);
 			}
 
-#ifdef WIN16
+#ifdef OPENSSL_SYS_WIN16
 		EnumTaskWindows(GetCurrentTask(),enumproc,0L);
 		lpTopWndProc=(FARPROC)GetWindowLong(topWnd,GWL_WNDPROC);
 		lpTopHookProc=MakeProcInstance((FARPROC)topHookProc,_hInstance);
 
 		SetWindowLong(topWnd,GWL_WNDPROC,(LONG)lpTopHookProc);
-#endif /* WIN16 */
+#endif /* OPENSSL_SYS_WIN16 */
 		}
-#endif /* WINDOWS */
+#endif /* OPENSSL_SYS_WINDOWS */
 	return(1);
 	}
 
@@ -285,7 +285,7 @@ static int init_server_long(int *sock, int port, char *ip)
 #endif
 	if (bind(s,(struct sockaddr *)&server,sizeof(server)) == -1)
 		{
-#ifndef WINDOWS
+#ifndef OPENSSL_SYS_WINDOWS
 		perror("bind");
 #endif
 		goto err;
@@ -318,7 +318,7 @@ static int do_accept(int acc_sock, int *sock, char **host)
 
 	if (!sock_init()) return(0);
 
-#ifndef WINDOWS
+#ifndef OPENSSL_SYS_WINDOWS
 redoit:
 #endif
 
@@ -332,7 +332,7 @@ redoit:
 	ret=accept(acc_sock,(struct sockaddr *)&from,(void *)&len);
 	if (ret == INVALID_SOCKET)
 		{
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
 		i=WSAGetLastError();
 		BIO_printf(bio_err,"accept error %d\n",i);
 #else
diff --git a/apps/s_time.c b/apps/s_time.c
index ce52b463fc..5da9b12404 100644
--- a/apps/s_time.c
+++ b/apps/s_time.c
@@ -82,7 +82,7 @@
 #include "wintext.h"
 #endif
 
-#if !defined(MSDOS) && (!defined(VMS) || defined(__DECC))
+#if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC))
 #define TIMES
 #endif
 
@@ -98,7 +98,7 @@
    The __TMS macro will show if it was.  If it wasn't defined, we should
    undefine TIMES, since that tells the rest of the program how things
    should be handled.				-- Richard Levitte */
-#if defined(VMS) && defined(__DECC) && !defined(__TMS)
+#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
 #undef TIMES
 #endif
 
@@ -174,7 +174,7 @@ static int perform=0;
 #ifdef FIONBIO
 static int t_nbio=0;
 #endif
-#ifdef WIN32
+#ifdef OPENSSL_SYS_WIN32
 static int exitNow = 0;		/* Set when it's time to exit main */
 #endif
 
@@ -198,7 +198,7 @@ static void s_time_init(void)
 #ifdef FIONBIO
 	t_nbio=0;
 #endif
-#ifdef WIN32
+#ifdef OPENSSL_SYS_WIN32
 	exitNow = 0;		/* Set when it's time to exit main */
 #endif
 	}
diff --git a/apps/sess_id.c b/apps/sess_id.c
index eb40aa6353..7f5c55b901 100644
--- a/apps/sess_id.c
+++ b/apps/sess_id.c
@@ -208,7 +208,7 @@ bad:
 		if (outfile == NULL)
 			{
 			BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 			{
 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 			out = BIO_push(tmpbio, out);
diff --git a/apps/smime.c b/apps/smime.c
index eec40764d8..b8f4f22035 100644
--- a/apps/smime.c
+++ b/apps/smime.c
@@ -421,7 +421,7 @@ int MAIN(int argc, char **argv)
 		}
 	} else {
 		out = BIO_new_fp(stdout, BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		    BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		    out = BIO_push(tmpbio, out);
diff --git a/apps/speed.c b/apps/speed.c
index 90dcd4787e..99e72a97b9 100644
--- a/apps/speed.c
+++ b/apps/speed.c
@@ -87,7 +87,7 @@
 
 #if defined(__FreeBSD__)
 # define USE_TOD
-#elif !defined(MSDOS) && (!defined(VMS) || defined(__DECC))
+#elif !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC))
 # define TIMES
 #endif
 #if !defined(_UNICOS) && !defined(__OpenBSD__) && !defined(sgi) && !defined(__FreeBSD__) && !(defined(__bsdi) || defined(__bsdi__)) && !defined(_AIX) && !defined(OPENSSL_SYS_MPE) && !defined(__NetBSD__) /* FIXME */
@@ -110,7 +110,7 @@
    The __TMS macro will show if it was.  If it wasn't defined, we should
    undefine TIMES, since that tells the rest of the program how things
    should be handled.				-- Richard Levitte */
-#if defined(VMS) && defined(__DECC) && !defined(__TMS)
+#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
 #undef TIMES
 #endif
 
diff --git a/apps/spkac.c b/apps/spkac.c
index d7e46782f7..5ac9b14c54 100644
--- a/apps/spkac.c
+++ b/apps/spkac.c
@@ -221,7 +221,7 @@ bad:
 		if (outfile) out = BIO_new_file(outfile, "w");
 		else {
 			out = BIO_new_fp(stdout, BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 			{
 			    BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 			    out = BIO_push(tmpbio, out);
@@ -278,7 +278,7 @@ bad:
 	if (outfile) out = BIO_new_file(outfile, "w");
 	else {
 		out = BIO_new_fp(stdout, BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 		{
 		    BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 		    out = BIO_push(tmpbio, out);
diff --git a/apps/x509.c b/apps/x509.c
index 2972b047a9..658afcef5e 100644
--- a/apps/x509.c
+++ b/apps/x509.c
@@ -193,7 +193,7 @@ int MAIN(int argc, char **argv)
 	if (bio_err == NULL)
 		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 	STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 	{
 	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 	STDout = BIO_push(tmpbio, STDout);
@@ -642,7 +642,7 @@ bad:
 		if (outfile == NULL)
 			{
 			BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 			{
 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 			out = BIO_push(tmpbio, out);