unified build scheme: add a "unified" template for Unix Makefile

This also adds all the raw sections needed for some files.

Reviewed-by: Rich Salz <rsalz@openssl.org>

crypto/poly1305/build.info

diff --git a/crypto/poly1305/build.info b/crypto/poly1305/build.info
index 35d4fa8..0b59b9f 100644
--- a/crypto/poly1305/build.info
+++ b/crypto/poly1305/build.info
@@ -1,3 +1,15 @@
 LIBS=../../libcrypto
 SOURCE[../../libcrypto]=\
         poly1305.c {- $target{poly1305_asm_src} -}
+
+BEGINRAW[Makefile(unix)]
+{- $builddir -}/poly1305-sparcv9.S:	{- $sourcedir -}/asm/poly1305-sparcv9.pl
+	$(PERL) {- $sourcedir -}/asm/poly1305-sparcv9.pl > $@
+{- $builddir -}/poly1305-x86.s:		{- $sourcedir -}/asm/poly1305-x86.pl
+	$(PERL) {- $sourcedir -}/asm/poly1305-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(PROCESSOR) > $@
+{- $builddir -}/poly1305-x86_64.s:	{- $sourcedir -}/asm/poly1305-x86_64.pl
+	$(PERL) {- $sourcedir -}/asm/poly1305-x86_64.pl $(PERLASM_SCHEME) > $@
+
+{- $builddir -}/poly1305-%.S:	{- $sourcedir -}/asm/poly1305-%.pl
+	$(PERL) $< $(PERLASM_SCHEME) $@
+ENDRAW[Makefile(unix)]