Clarify how to do a 64-bit build using the Visual Studio IDE
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1248 632fc199-4ca6-4c93-a231-07263d6284db
diff --git a/BUILDING.txt b/BUILDING.txt
index ba35b27..1f013d4 100644
--- a/BUILDING.txt
+++ b/BUILDING.txt
@@ -508,6 +508,11 @@
cd {build_directory}
cmake -G "Visual Studio 10" {source_directory}
+NOTE: Add "Win64" to the generator name (e.g. "Visual Studio 10 Win64") to
+build a 64-bit version of libjpeg-turbo. Recent versions of CMake no longer
+document that. A separate build directory must be used for 32-bit and 64-bit
+builds.
+
You can then open ALL_BUILD.vcproj in Visual Studio and build one of the
configurations in that project ("Debug", "Release", etc.) to generate a full
build of libjpeg-turbo.