alien_svn: fix build

dev-perl/alien_svn/alien_svn-1.8.11.0.recipe

@@ -31,7 +31,10 @@ BUILD_REQUIRES="
 	"
 BUILD_PREREQUIRES="
 	cmd:awk
+	cmd:cmp
+	cmd:diff
 	cmd:gcc
+	cmd:grep
 	cmd:make
 	cmd:perl
 	cmd:python
@@ -42,6 +45,7 @@ BUILD()
 	export CFLAGS=-O0
 	export CPPFLAGS=-P
 	export PERL_MM_USE_DEFAULT=1 # Don't ask questions and use the default values
+	export svn_cv_pycfmt_apr_int64_t=B_PRId64
 	perl Build.PL --installdirs vendor --prefix $prefix
 	./Build
 }