FreeBSD 8.x and above have added -r that does exactly same as -E for increased

compatibility with GNU sed. Since FreeBSD still supports 7.x that does not has
-r, so use -E instead.

Reported by:	pointyhat (pav)

1 files changed, 17 insertions, 0 deletions

diff --git a/lang/opa/files/patch-build_myocamlbuild_prefix.ml b/lang/opa/files/patch-build_myocamlbuild_prefix.ml
new file mode 100644
index 000000000000..a8f235ce2285
--- /dev/null
+++ b/lang/opa/files/patch-build_myocamlbuild_prefix.ml
@@ -0,0 +1,17 @@
+--- build/myocamlbuild_prefix.ml.orig	2012-04-26 21:03:23.000000000 -0500
++++ build/myocamlbuild_prefix.ml	2012-04-26 21:03:35.000000000 -0500
+@@ -325,7 +325,13 @@
+            let sedexpr =
+              Printf.sprintf "s/^\\?HAS_(%s)://; /HAS_.*:/d" tags
+            in
+-           Cmd(S[sed; A"-r"; A sedexpr; P(env "%.mllibp"); Sh">"; P(env "%.mllib")]));
++           (* FreeBSD 8.x and above have added -r that does exactly same as -E
++              for increased compatibility with GNU sed. Since FreeBSD still
++              supports 7.x that does not has -r, so use -E instead. *)
++           if is_fbsd then
++             Cmd(S[sed; A"-E"; A sedexpr; P(env "%.mllibp"); Sh">"; P(env "%.mllib")])
++           else
++             Cmd(S[sed; A"-r"; A sedexpr; P(env "%.mllibp"); Sh">"; P(env "%.mllib")]));
+ 
+       (* Windows specific : redefinition of an existing rule in Ocaml_specific.ml,
+          Louis please have a look to avoid the two copies at the end