From cd6b44707cefff2be90343c8c1f7e6751d5f5d01 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 2 Sep 2022 13:23:27 +0200
Subject: Add missing if! support in recipes

---
 libbuild2/parser.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libbuild2/parser.cxx b/libbuild2/parser.cxx
index da017d3..00366e6 100644
--- a/libbuild2/parser.cxx
+++ b/libbuild2/parser.cxx
@@ -1701,7 +1701,7 @@ namespace build2
     // Parse a recipe chain.
     //
     // % [<attrs>] [<buildspec>]
-    // [if|switch ...]
+    // [if|if!|switch ...]
     // {{ [<lang> ...]
     //   ...
     // }}
@@ -2090,7 +2090,7 @@ namespace build2
           // handy if we want to provide a custom recipe but only on certain
           // platforms or some such).
 
-          if (n == "if")
+          if (n == "if" || n == "if!")
           {
             parse_if_else (t, tt, true /* multi */, parse_block);
             continue;
-- 
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