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-rw-r--r--gcc/cccp.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/gcc/cccp.c b/gcc/cccp.c
index 5df4901..c394ea2 100644
--- a/gcc/cccp.c
+++ b/gcc/cccp.c
@@ -130,6 +130,8 @@ extern char *getenv ();
/* VMS-specific definitions */
#ifdef VMS
#include <descrip.h>
+#include <ssdef.h>
+#include <syidef.h>
#define open(fname,mode,prot) VMS_open (fname,mode,prot)
#define fopen(fname,mode) VMS_fopen (fname,mode)
#define freopen(fname,mode,ofile) VMS_freopen (fname,mode,ofile)
@@ -1732,6 +1734,63 @@ main (argc, argv)
if (!inhibit_predefs) {
char *p = (char *) alloca (strlen (predefs) + 1);
+
+#ifdef VMS
+ struct dsc$descriptor_s lcl_name;
+ struct item_list {
+ unsigned short length; /* input length */
+ unsigned short code; /* item code */
+ unsigned long dptr; /* data ptr */
+ unsigned long lptr; /* output length ptr */
+ };
+
+ unsigned long syi_length;
+ char syi_data[16];
+
+ struct item_list items[] = {
+ { 16, SYI$_VERSION, 0, 0 },
+ { 0, 0, 0, 0 }
+ };
+
+ items[0].dptr = (unsigned long)syi_data;
+ items[0].lptr = (unsigned long)(&syi_length);
+
+ if (SYS$GETSYIW (0, 0, 0, items, NULL, NULL, NULL, NULL) == SS$_NORMAL)
+ {
+ unsigned long vms_version_value;
+ char *vers;
+
+ vers = syi_data;
+ vms_version_value = 0;
+
+ if (*vers == 'V')
+ vers++;
+ if (isdigit (*vers))
+ {
+ vms_version_value = (*vers - '0') * 10000000;
+ }
+ vers++;
+ if (*vers == '.')
+ {
+ vers++;
+ if (isdigit (*vers))
+ {
+ vms_version_value += (*vers - '0') * 100000;
+ }
+ }
+
+ if (vms_version_value > 0)
+ {
+ char versbuf[32];
+
+ sprintf (versbuf, "__VMS_VER=%08ld", vms_version_value);
+ if (debug_output)
+ output_line_directive (fp, &outbuf, 0, same_file);
+ make_definition (versbuf, &outbuf);
+ }
+ }
+#endif
+
strcpy (p, predefs);
while (*p) {
char *q;