Document build work-around on MacOS X

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/README b/README
index 211d30a25b7d9c79650c65ab59796f9ded97fe45..197d8a5573764c14892f9f7ff5bd329b824bbf74 100644 (file)
--- a/README
+++ b/README
@@ -49,6 +49,13 @@ supported, with the following exceptions:
 
 Clang version 3.0 (based on LLVM 3.0) is supported.
 
+Building on MacOS X (Darwin) requires a work-around for processor
+detection:
+  # 32-bit
+  ./configure --build=i686-apple-darwin11
+  # 64-bit
+  ./configure --build=x86_64-apple-darwin11
+
 For developers using the git tree:
 
 This source tree is based on the autotools suite from GNU to simplify