Unified - adapt the generation of cast assembler to use GENERATE

This gets rid of the BEGINRAW..ENDRAW sections in crypto/cast/build.info.

This also moves the assembler generating perl scripts to take the
output file name as last command line argument, where necessary.
Reviewed-by: NAndy Polyakov <appro@openssl.org>

crypto/cast/Makefile.in

@@ -40,7 +40,7 @@ lib:	$(LIBOBJ)
 	@touch lib
 
 cast-586.s:	asm/cast-586.pl ../perlasm/x86asm.pl ../perlasm/cbc.pl
-	$(PERL)	asm/cast-586.pl $(PERLASM_SCHEME) $(CLAGS) $(PROCESSOR) > $@
+	$(PERL)	asm/cast-586.pl $(PERLASM_SCHEME) $(CLAGS) $(PROCESSOR) $@
 
 files:
 	$(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO

crypto/cast/asm/cast-586.pl

@@ -11,6 +11,9 @@ push(@INC,"${dir}","${dir}../../perlasm");
 require "x86asm.pl";
 require "cbc.pl";
 
+$output=pop;
+open STDOUT,">$output";
+
 &asm_init($ARGV[0],"cast-586.pl",$ARGV[$#ARGV] eq "386");
 
 $CAST_ROUNDS=16;
@@ -36,6 +39,8 @@ $S4="CAST_S_table3";
 
 &asm_finish();
 
+close STDOUT;
+
 sub CAST_encrypt {
     local($name,$enc)=@_;
 

crypto/cast/build.info

@@ -2,9 +2,5 @@ LIBS=../../libcrypto
 SOURCE[../../libcrypto]=\
         c_skey.c c_ecb.c {- $target{cast_asm_src} -} c_cfb64.c c_ofb64.c
 
-BEGINRAW[Makefile]
-##### CAST assembler implementations
-
-{- $builddir -}/cast-586.s:	{- $sourcedir -}/asm/cast-586.pl {- $sourcetop -}/crypto/perlasm/x86asm.pl {- $sourcetop -}/crypto/perlasm/cbc.pl
-	CC="$(CC)" $(PERL)	{- $sourcedir -}/asm/cast-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(PROCESSOR) > $@
-ENDRAW[Makefile]
+GENERATE[cast-586.s]=asm/cast-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(PROCESSOR)
+DEPEND[cast-586.s]=../perlasm/x86asm.pl ../perlasm/cbc.pl