diff --git a/Configure b/Configure
index 31221bb3386be9e8efcb1ff4d858a86ec416f70e..0c8ebe7b874efd13beed48bfd80a79089c7cf53e 100755
--- a/Configure
+++ b/Configure
@@ -163,7 +163,7 @@ my %table=(
 
 # Sunos configs, assuming sparc for the gcc one.
 ##"sunos-cc", "cc:-O4 -DNOPROTO -DNOCONST::(unknown)::DES_UNROLL:::",
-"sunos-gcc","gcc:-O3 -mv8 -Dssize_t=int::(unknown):-liberty:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL DES_PTR DES_RISC1:::",
+"sunos-gcc","gcc:-O3 -mv8 -Dssize_t=int::(unknown)::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL DES_PTR DES_RISC1:::",
 
 #### IRIX 5.x configs
 # -mips2 flag is added by ./config when appropriate.
diff --git a/e_os.h b/e_os.h
index 948a8bfd7e1b664c5af9fe95b44ee5f7090d9927..f540d7752ef897662a4fb30508b6fc5cb5414abd 100644
--- a/e_os.h
+++ b/e_os.h
@@ -404,7 +404,11 @@ extern HINSTANCE _hInstance;
 #endif
 
 #if defined(sun) && !defined(__svr4__) && !defined(__SVR4)
-#define memmove(s1,s2,n) bcopy((s2),(s1),(n))
+# define memmove(s1,s2,n) bcopy((s2),(s1),(n))
+# define strtoul(s,e,b) ((unsigned long int)strtol((s),(e),(b)))
+extern char *sys_errlist[]; extern int sys_nerr;
+#  define strerror(errnum) \
+	(((errnum)<0 || (errnum)>=sys_nerr) ? NULL : sys_errlist[errnum])
 #endif
 
 /***********************************************/