Since C compilers on VMS (perhaps with gcc being the great exception)

do not quite follow the same rules as on Unix, we need to use the
FLAT_INC tweak to include the vendor-specific header files.

crypto/crypto-lib.com

@@ -1194,7 +1194,9 @@ $     CC = "CC"
 $     IF ARCH.EQS."VAX" .AND. F$TRNLNM("DECC$CC_DEFAULT").NES."/DECC" -
 	 THEN CC = "CC/DECC"
 $     CC = CC + "/''CC_OPTIMIZE'/''DEBUGGER'/STANDARD=ANSI89" + -
-           "/NOLIST/PREFIX=ALL/INCLUDE=SYS$DISK:[]" + CCEXTRAFLAGS
+           "/NOLIST/PREFIX=ALL" + -
+	   "/INCLUDE=(SYS$DISK:[],SYS$DISK:[.ENGINE.VENDOR_DEFNS])" + -
+	   CCEXTRAFLAGS
 $!
 $!    Define The Linker Options File Name.
 $!
@@ -1226,7 +1228,8 @@ $	WRITE SYS$OUTPUT "There is no VAX C on Alpha!"
 $	EXIT
 $     ENDIF
 $     IF F$TRNLNM("DECC$CC_DEFAULT").EQS."/DECC" THEN CC = "CC/VAXC"
-$     CC = CC + "/''CC_OPTIMIZE'/''DEBUGGER'/NOLIST/INCLUDE=SYS$DISK:[]" + -
+$     CC = CC + "/''CC_OPTIMIZE'/''DEBUGGER'/NOLIST" + -
+	   "/INCLUDE=(SYS$DISK:[],SYS$DISK:[.ENGINE.VENDOR_DEFNS])" + -
 	   CCEXTRAFLAGS
 $     CCDEFS = """VAXC""," + CCDEFS
 $!
@@ -1258,7 +1261,8 @@ $!
 $!    Use GNU C...
 $!
 $     CC = "GCC/NOCASE_HACK/''GCC_OPTIMIZE'/''DEBUGGER'/NOLIST" + -
-	   "/INCLUDE=SYS$DISK:[]" + CCEXTRAFLAGS
+	   "/INCLUDE=(SYS$DISK:[],SYS$DISK:[.ENGINE.VENDOR_DEFNS])" + -
+	   CCEXTRAFLAGS
 $!
 $!    Define The Linker Options File Name.
 $!

crypto/engine/hw_atalla.c

@@ -66,7 +66,11 @@
 #ifndef NO_HW
 #ifndef NO_HW_ATALLA
 
+#ifdef FLAT_INC
+#include "atalla.h"
+#else
 #include "vendor_defns/atalla.h"
+#endif
 
 static int atalla_init(void);
 static int atalla_finish(void);

crypto/engine/hw_cswift.c

@@ -78,7 +78,11 @@
  * simply to keep the file sizes reasonable.
  * [Geoff]
  */
+#ifdef FLAT_INC
+#include "cswift.h"
+#else
 #include "vendor_defns/cswift.h"
+#endif
 
 static int cswift_init(void);
 static int cswift_finish(void);

crypto/engine/hw_ncipher.c

@@ -76,7 +76,11 @@
  * The hwcryptohook.h included here is from May 2000.
  * [Richard Levitte]
  */
+#ifdef FLAT_INC
+#include "hwcryptohook.h"
+#else
 #include "vendor_defns/hwcryptohook.h"
+#endif
 
 static int hwcrhk_init(void);
 static int hwcrhk_finish(void);