Add src/printing to the GN build.

build/config/linux/BUILD.gn

Index: build/config/linux/BUILD.gn
diff --git a/build/config/linux/BUILD.gn b/build/config/linux/BUILD.gn
index 6d814fa93975155cf832b59be8fd40e485494822..d9cb8529095e10c0ad3ea3794856d342861b7aa0 100644
--- a/build/config/linux/BUILD.gn
+++ b/build/config/linux/BUILD.gn
@@ -179,3 +179,9 @@ generate_library_loader("libpci") {
     "pci_lookup_name",
   ]
 }
+
+# Note: in GYP this runs libgcrypt-config with some horrible sed stuff. This

[Lei Zhang, 2014/06/02 20:59:33]

In http://crrev.com/271563, I removed the libgcrypt dependency, but forgot to
remove this. Since we no longer depend on libgcrypt, you can omit this. I'll go
ahead and delete it from the gyp version in a separate CL.

[Lei Zhang, 2014/06/02 23:33:27]

Please remove this.

+# config seems to just return "-lgcrypt" on supported systems, so just do that.
+config("libgcrypt") {
+  libs = [ "gcrypt" ]
+}