Configure: replace -mv8 with -mcpu=v8 in SPARC config lines.

RT#3860
Reviewed-by: NTim Hudson <tjh@openssl.org>

Configurations/10-main.conf

@@ -131,7 +131,7 @@
     },
     "solaris-sparcv8-gcc" => {
         inherit_from     => [ "solaris-sparcv7-gcc", asm("sparcv8_asm") ],
-        cflags           => sub { join(" ","-mv8",@_); },
+        cflags           => sub { join(" ","-mcpu=v8",@_); },
     },
     "solaris-sparcv9-gcc" => {
         # -m32 should be safe to add as long as driver recognizes
@@ -695,7 +695,7 @@
     # patiently assisted with debugging of following two configs.
     "linux-sparcv8" => {
         inherit_from     => [ "linux-generic32", asm("sparcv8_asm") ],
-        cflags           => "-mv8 -Wall -DB_ENDIAN -DBN_DIV2W",
+        cflags           => "-mcpu=v8 -Wall -DB_ENDIAN -DBN_DIV2W",
     },
     "linux-sparcv9" => {
         # it's a real mess with -mcpu=ultrasparc option under Linux,
@@ -861,7 +861,7 @@
 
     "BSD-sparcv8" => {
         inherit_from     => [ "BSD-generic32", asm("sparcv8_asm") ],
-        cflags           => "-mv8 -Wall -DB_ENDIAN",
+        cflags           => "-mcpu=v8 -Wall -DB_ENDIAN",
     },
     "BSD-sparc64" => {
         # -DMD32_REG_T=int doesn't actually belong in sparc64 target, it